:root {
    /* Moderna elegantna paleta boja */
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #8B5CF6;
    --accent: #10B981;
    --accent-hover: #059669;
    --background: #0F172A;
    --surface: #1E293B;
    --elevated-bg: #334155;
    --card-bg: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: rgba(248, 250, 252, 0.75);
    --text-tertiary: #f8fafc80;
    --border: rgba(248, 250, 252, 0.1);
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    /* Sistemske vrednosti */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 16px;

    transition: all var(--transition-normal);
    overflow-x: hidden;
    min-height: 100vh;

}



.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(16px, 5vw, 32px);
}



#visualizationsContent {
    text-align: center;
    width: 100%;
}



/* Enhanced Header and Navigation Styles */
header {
    padding: clamp(30px, 6vw, 50px) 0;
    position: relative;
    z-index: 1000;
}


/* Logo and Branding */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: clamp(25px, 5vw, 35px);
}


.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
    position: relative;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    animation: shine 3s infinite;
}

@keyframes shine {
    100% {
        transform: translateX(100%);
    }
}

.logo-text h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

.logo-text p {
    color: var(--text-tertiary);
    font-size: clamp(0.9rem, 2vw, 1rem);
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: clamp(12px, 3vw, 20px);
}

.user-menu-button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 6px 15px 6px 6px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-weight: 200;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.user-menu-button:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 200;
    font-size: 14px;
}


.user-menu-dropdown {
    position: absolute;
    right: 100px;
    width: 240px;
    background: var(--elevated-bg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    padding: 8px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.user-menu.active .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.user-menu-name {

    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 4px;
}

.user-menu-email {
    color: var(--text-tertiary);
    font-size: 14px;
    margin: 0;
}

.user-menu-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.user-menu-item {
    margin-bottom: 2px;
}

.user-menu-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    font-size: 14px;
}

.user-menu-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.user-menu-link.danger {
    color: var(--danger);
}

.user-menu-link.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.user-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}

.user-menu-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.user-menu-link:hover .user-menu-icon {
    background: rgba(255, 255, 255, 0.1);
}

.user-menu-link.danger:hover .user-menu-icon {
    background: rgba(239, 68, 68, 0.2);
}

/* Logout Form Styling */
.logout-form {
    display: inline;
    margin: 0;
    padding: 0;
}



.notifications-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-normal);
}

.notifications-button:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--background);
}

/* Enhanced Navigation */
.main-navigation {
    background: rgba(30, 41, 59, 0.8);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    transition: all var(--transition-normal);
}

.nav-menu {
    position: relative;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 0;
    margin: 0;
    position: relative;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 500;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.main-navigation a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(79, 70, 229, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.main-navigation a:hover::before {
    opacity: 1;
}

.nav-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
}

.main-navigation a:hover .nav-icon {
    background: rgba(79, 70, 229, 0.2);
    transform: rotate(5deg) scale(1.1);
}

.main-navigation a.active {
    color: var(--text-primary);
    background: linear-gradient(120deg, rgba(79, 70, 229, 0.15), rgba(79, 70, 229, 0.05));
    font-weight: 600;
}

.main-navigation a.active .nav-icon {
    background: var(--primary);
    color: white;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: "\f107";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: 6px;
    font-size: 12px;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--elevated-bg);
    min-width: 220px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    padding: 10px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 2px 0;
}

.dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Mobile Navigation */
.mobile-nav-toggle {
    display: none;
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 20px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-nav-toggle:hover {
    background: rgba(79, 70, 229, 0.2);
    transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .header-container {
        flex-wrap: wrap;
    }

    .header-actions {
        margin-left: auto;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 20px;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--elevated-bg);
        border-radius: 0 0 16px 16px;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.5s ease, padding 0.3s ease;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
        z-index: 1000;
    }

    .nav-menu.active {
        max-height: 400px;
        padding: 10px;
    }

    .main-navigation ul {
        flex-direction: column;
    }

    .main-navigation a {
        padding: 12px;
        width: 100%;
    }

    .dropdown-content {
        position: static;
        background: rgba(0, 0, 0, 0.2);
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
        box-shadow: none;
        border: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-content {
        max-height: 300px;
    }

    .dropdown-toggle::after {
        position: absolute;
        right: 15px;
    }
}



h1 {
    font-size: clamp(1.8rem, 5vw, 3rem);
    /* margin-bottom: clamp(8px, 2vw, 16px); */
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    font-size: clamp(1rem, 3vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-weight: 400;
}



.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

h2 {
    color: var(--text-primary);
    margin-bottom: clamp(16px, 4vw, 24px);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 3px;
}

.file-upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(30px, 10vw, 60px) clamp(16px, 5vw, 32px);
    border: 2px dashed var(--border);
    border-radius: var(--border-radius-lg);
    background-color: rgba(255, 255, 255, 0.03);
    transition: all var(--transition-normal);
    cursor: pointer;
    margin-bottom: clamp(16px, 5vw, 24px);
    position: relative;
    overflow: hidden;
}

.file-upload-container:hover {
    border-color: var(--primary);
    background-color: rgba(79, 70, 229, 0.08);
}

.file-upload-container:active {
    transform: scale(0.98);
}

.file-upload-icon {
    font-size: clamp(2rem, 8vw, 3.5rem);
    color: var(--primary);
    margin-bottom: clamp(12px, 3vw, 20px);
    transition: transform var(--transition-normal);
}

.file-upload-container:hover .file-upload-icon {
    transform: scale(1.1);
}

.file-upload-text {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: clamp(8px, 2vw, 12px);
}

.file-name {
    margin-top: clamp(12px, 3vw, 18px);
    font-weight: 600;
    color: var(--primary);
    display: none;
    position: relative;
    padding: 8px 16px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: var(--border-radius-md);
}

.file-input {
    display: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: clamp(12px, 3vw, 16px) clamp(20px, 5vw, 28px);
    background-color: var(--primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.btn:hover::after {
    transform: translateX(100%);
}

.btn:active {
    transform: translateY(1px);
}

.btn:disabled {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-tertiary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-full {
    width: 100%;
}

.btn-generate {
    background-color: var(--accent);
    margin-top: clamp(10px, 3vw, 16px);
}

.btn-generate:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.quiz-container,
.flashcards-container,
.fill-blanks-container,
.summary-container,
.visualizations-container,
.timeline-container {
    display: none;
    margin-top: clamp(24px, 6vw, 36px);
}

.question-container,
.flashcard-container,
.exercise-container {
    /* background-color: var(--surface); */
    border-radius: var(--border-radius-lg);
    padding: clamp(20px, 5vw, 30px);
    box-shadow: var(--shadow-md);
    margin-bottom: clamp(20px, 5vw, 28px);
    animation: fadeIn 0.5s ease;
    border: 1px solid var(--border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.question-container:hover,
.flashcard-container:hover,
.exercise-container:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    margin-bottom: clamp(16px, 4vw, 24px);
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shine 2s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.question-text {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: clamp(16px, 4vw, 24px);
    line-height: 1.5;
}

.options-list {
    list-style-type: none;
}

.option-item {
    margin-bottom: clamp(10px, 3vw, 16px);
}

.option-btn {
    display: block;
    width: 100%;
    padding: clamp(14px, 4vw, 18px);
    text-align: left;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    font-size: clamp(0.95rem, 2.5vw, 1rem);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.option-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(3px);
}

.option-btn.selected {
    background-color: rgba(79, 70, 229, 0.15);
    border-color: var(--primary);
}

.option-btn.correct {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
}

.option-btn.incorrect {
    background-color: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
}

.result-container {
    text-align: center;
    display: none;
    padding: clamp(20px, 5vw, 30px);
    background: linear-gradient(to bottom right, var(--surface), var(--elevated-bg));
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    animation: fadeIn 0.5s ease;
}

.score-display {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: bold;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: clamp(16px, 4vw, 24px) 0;
}

.result-message {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    margin-bottom: clamp(16px, 4vw, 24px);
    color: var(--text-secondary);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: clamp(10px, 3vw, 16px);
    margin-top: clamp(16px, 4vw, 24px);
}

@media (max-width: 480px) {
    .controls {
        flex-direction: column;
    }

    .controls .btn {
        width: 100%;
    }
}

.btn-next,
.btn-reveal,
.btn-flashcard-next {
    background-color: var(--primary);
}

.btn-restart {
    background-color: var(--info);
    margin-top: clamp(16px, 4vw, 24px);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.instructions {
    margin-top: clamp(14px, 3.5vw, 18px);
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
}

.supported-formats {
    margin-top: clamp(8px, 2vw, 12px);
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    color: var(--text-tertiary);
}

.loading-spinner {
    display: none;
    width: 40px;
    height: 40px;
    margin: clamp(16px, 4vw, 24px) auto;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.error-message {
    color: var(--text-primary);
    background-color: rgba(239, 68, 68, 0.12);
    padding: clamp(12px, 3vw, 16px);
    border-radius: var(--border-radius-md);
    margin: clamp(12px, 3vw, 18px) 0;
    text-align: center;
    display: none;
    border: 1px solid rgba(239, 68, 68, 0.25);
    font-weight: 500;
}

.mode-buttons-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: clamp(16px, 4vw, 24px);
}



.flashcard-front,
.flashcard-back {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    text-align: center;
    padding: clamp(30px, 8vw, 60px) clamp(16px, 4vw, 24px);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.05));
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.blank-input {
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    padding: clamp(8px, 2vw, 10px) clamp(10px, 2.5vw, 14px);
    margin: 5px;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    transition: all var(--transition-fast);
}

.blank-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.blank-input.correct-answer {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.blank-input.wrong-answer {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}



/* Learning Modes Section Styles */
.learning-modes {
    /* background: var(--card-bg); */

    padding: clamp(25px, 5vw, 35px);
    margin-bottom: clamp(25px, 5vw, 40px);

    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.learning-modes::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 1;
}

.learning-modes:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.learning-modes h3 {
    font-size: clamp(1.3rem, 3.5vw, 1.5rem);
    color: var(--text-primary);
    margin-bottom: clamp(20px, 4vw, 25px);
    font-weight: 600;
    text-align: center;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.learning-modes h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 3px;
}

.mode-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: clamp(15px, 3vw, 20px);
}

.mode-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    padding: 0;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    /* overflow: hidden; */
    position: relative;
    height: 100%;
}

.mode-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.mode-btn:hover {
    transform: translateY(-5px);
    border-color: rgba(79, 70, 229, 0.3);
    box-shadow: var(--shadow-md);
}

.mode-btn:hover::before {
    opacity: 1;
}

.mode-btn.active {
    background: linear-gradient(to bottom, rgba(79, 70, 229, 0.15), rgba(79, 70, 229, 0.05));
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.25);
}

.mode-btn.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 2;
}

.mode-icon-wrapper {
    width: 100%;
    padding: clamp(15px, 3vw, 20px) clamp(15px, 3vw, 20px) clamp(10px, 2vw, 15px);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.mode-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: clamp(10px, 2vw, 15px);
    color: var(--text-primary);
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.mode-btn:hover .mode-icon {
    background: rgba(79, 70, 229, 0.2);
    transform: scale(1.1);
    color: var(--text-primary);
}

.mode-btn.active .mode-icon {
    background: var(--primary);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
    transform: scale(1.1);
}

.mode-name {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    text-align: center;
    padding: clamp(8px, 2vw, 12px);
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
}

.mode-btn:hover .mode-name {
    color: var(--text-primary);
}

.mode-btn.active .mode-name {
    color: var(--text-primary);
    font-weight: 600;
}

/* Glow effect for active button */
.mode-btn.active .mode-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .mode-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .mode-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Hover animation for mode buttons */
.mode-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    z-index: 2;
}

.mode-btn:hover::after {
    transform: scaleX(1);
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(20px, 5vw, 32px) 0;
}

.timeline:before {
    content: '';
    position: absolute;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1px;
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.3);
}

@media (max-width: 768px) {
    .timeline:before {
        left: 20px;
    }
}

.timeline-item {
    padding: clamp(10px, 2.5vw, 16px) clamp(30px, 8vw, 50px);
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .timeline-item {
        width: 100%;
        padding-left: 50px;
    }

    .timeline-item.left,
    .timeline-item.right {
        left: 0 !important;
    }
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 50%;
    top: clamp(15px, 4vw, 20px);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2), 0 0 10px rgba(79, 70, 229, 0.4);
    z-index: 1;
}

.timeline-item.left .timeline-dot {
    right: -10px;
}

.timeline-item.right .timeline-dot {
    left: -10px;
}

@media (max-width: 768px) {

    .timeline-item.left .timeline-dot,
    .timeline-item.right .timeline-dot {
        left: 10px;
        right: auto;
    }
}

.timeline-content {
    padding: clamp(16px, 4vw, 24px);
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Glow effects for interactive elements */
.btn:focus,
.option-btn:focus,
.mode-btn:focus,
.blank-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

::selection {
    background: rgba(79, 70, 229, 0.3);
    color: var(--text-primary);
}

/* Dodatni responzivni stilovi */
@media (max-width: 992px) {
    .container {
        padding: 16px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 24px 0;
    }

    .card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .file-upload-container {
        padding: 24px 16px;
    }

    .question-container,
    .flashcard-container,
    .exercise-container {
        padding: 16px;
    }

    .controls {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        margin-bottom: 8px;
    }
}

/* Animacije */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

.btn-pulse {
    animation: pulse 2s infinite;
}

/* Font optimizacija */
@media (max-width: 320px) {
    body {
        font-size: 14px;
    }
}

/* Pristupačnost */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Visoki kontrast */
@media (prefers-contrast: more) {
    :root {
        --border: rgba(255, 255, 255, 0.3);
        --text-secondary: rgba(255, 255, 255, 0.85);
        --text-tertiary: rgba(255, 255, 255, 0.7);
    }
}

/* Learning page styles */

/* Learning controls */
.material-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.learning-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.mode-selector {
    display: flex;
    gap: 10px;
}

.mode-selector select {
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid #ccc;
}

.progress-container {
    width: 200px;
    height: 8px;
    background-color: #eee;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background-color: #4361ee;
    width: 0;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    right: -30px;
    top: -4px;
    font-size: 14px;
    color: #666;
}

.navigation-buttons {
    display: flex;
    gap: 10px;
}

/* Enhanced Visualization Mode Styles */

/* Visualization Container */
.visualizations-container {
    background: linear-gradient(to right bottom, var(--elevated-bg), var(--surface));
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    min-height: 600px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

/* Visualization Controls */
.viz-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card-bg);
    padding: 16px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.viz-nav-btn {
    background: linear-gradient(135deg, var(--surface), var(--elevated-bg));
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}

.viz-nav-btn:hover:not(:disabled) {
    background: var(--primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}

.viz-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.viz-nav-btn span {
    font-size: 18px;
    line-height: 1;
}

/* Visualization Progress */
.viz-progress {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
}

.viz-progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.viz-progress-dot:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.2);
}

.viz-progress-dot.active {
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
    transform: scale(1.3);
}

/* Visualization Container */
.viz-container {
    padding: 20px;
    position: relative;
    min-height: 500px;
}

/* Visualization Card */
.viz-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.viz-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.viz-card.loaded {
    animation: cardGlow 3s infinite alternate;
}

@keyframes cardGlow {
    0% {
        box-shadow: var(--shadow-md);
    }

    100% {
        box-shadow: 0 8px 30px rgba(79, 70, 229, 0.3);
    }
}

/* Visualization Header */
.viz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to right, var(--elevated-bg), var(--surface));
}

.viz-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

.viz-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 3px;
}

/* Zoom Controls */
.zoom-controls {
    display: flex;
    gap: 8px;
}

.zoom-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: scale(1.1);
}

/* Visualization Content */
.viz-content {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .viz-content {
        grid-template-columns: 1fr 2fr;
    }
}

/* Visualization Explanation */
.viz-explanation {
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border);
    position: relative;
    font-size: 1rem;
}

.viz-explanation::before {
    content: '"';
    position: absolute;
    top: 5px;
    left: 10px;
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.3;
}

/* Diagram Container */
.viz-diagram-container {
    position: relative;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 20px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: all 0.3s ease;
}

.viz-diagram-container:hover {
    border-color: rgba(79, 70, 229, 0.3);
}

.viz-diagram-container.loaded::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 98%, var(--primary) 100%);
    pointer-events: none;
    opacity: 0.5;
}

/* SVG Styling */
.viz-svg {
    max-width: 100%;
    transition: transform 0.3s ease;
    transform-origin: center center;
}

/* Loading Spinner */
.viz-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top: 3px solid var(--primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Interactive Nodes */
.interactive-node {
    cursor: pointer;
    transition: all 0.3s ease;
}

.interactive-node:hover {
    filter: brightness(1.3);
    transform: scale(1.05);
}

.node-highlight {
    filter: drop-shadow(0 0 8px var(--primary)) brightness(1.3);
}

/* Tooltip */
.viz-tooltip {
    position: absolute;
    background: var(--elevated-bg);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    z-index: 1000;
    pointer-events: none;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--primary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Animation for SVG paths */
@keyframes dash {
    to {
        stroke-dashoffset: 0;
    }
}

/* Interactive Features */
.viz-interactive-features {
    padding: 24px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
    .viz-interactive-features {
        grid-template-columns: 1fr 1fr;
    }
}

/* Notes Section */
.viz-notes-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.viz-notes-section h4 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.viz-notes-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    padding: 12px;
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
    transition: all 0.3s ease;
}

.viz-notes-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

/* Quiz Section */
.viz-quiz-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.viz-quiz-section h4 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0;
}

.viz-quiz-question {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.viz-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.viz-quiz-option {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    font-size: 0.95rem;
}



.viz-quiz-option.selected {
    border-width: 2px;
}

.viz-quiz-option.correct {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
}

.viz-quiz-option.incorrect {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
}

.viz-quiz-feedback {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    animation: fadeIn 0.5s ease;
}

.viz-quiz-feedback.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-left: 3px solid var(--success);
}

.viz-quiz-feedback.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-left: 3px solid var(--danger);
}

/* No Visualizations Message */
.no-viz-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    gap: 20px;
    animation: fadeIn 0.5s ease;
}

.no-viz-icon {
    font-size: 4rem;
    opacity: 0.7;
}

.no-viz-message h3 {
    color: var(--text-primary);
    margin: 0;
}

.no-viz-message p {
    color: var(--text-secondary);
    max-width: 400px;
}

/* Media Queries */
@media (max-width: 768px) {
    .viz-controls {
        flex-wrap: wrap;
        gap: 12px;
    }

    .viz-content,
    .viz-interactive-features {
        grid-template-columns: 1fr;
    }
}

/* Additional Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

/* 3D Effect on Card Hover */
.viz-card:hover {
    transform: perspective(1000px) rotateX(2deg) translateY(-5px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Rotation Animation for Load Complete */
@keyframes completeRotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}



/* Apply floating animation to interactive nodes */
.interactive-node {
    animation: float 3s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 0.2s);
}

/* Diagram container hover effect */
.viz-diagram-container:hover .viz-svg {
    filter: saturate(1.2) brightness(1.1);
}

/* Special effect for correct answers */
.viz-quiz-option.correct {
    animation: pulseGlow 2s infinite;
}

/* Add shimmering effect to loading state elements */
.viz-loading-spinner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    background-size: 200px 100%;
    animation: shine 1.5s infinite linear;
}



.features {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--background) 0%, rgba(15, 23, 42, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: radial-gradient(circle at center top, var(--primary) 0%, transparent 70%);
    opacity: 0.15;
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: linear-gradient(145deg, var(--surface), var(--elevated-bg));
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    margin-bottom: 20px;
    position: relative;
    width: 70px;
    height: 70px;
}

.feature-icon-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper::before {
    background: rgba(79, 70, 229, 0.2);
    transform: translate(-50%, -50%) rotate(45deg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    color: var(--accent);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 16px;
    line-height: 1.6;
    flex-grow: 1;
}

.feature-card-footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding-top: 15px;
}

.feature-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.feature-link i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.feature-link:hover {
    color: var(--accent);
}

.feature-link:hover i {
    transform: translateX(5px);
}

/* How It Works Section Styles */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(0deg, var(--background) 0%, rgba(15, 23, 42, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.how-it-works::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: radial-gradient(circle at center bottom, var(--accent) 0%, transparent 70%);
    opacity: 0.1;
    pointer-events: none;
}

.steps-container {
    margin-top: 60px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.steps-connection {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    transform: translateX(-50%);
    z-index: 1;
}

.step-card {
    display: flex;
    align-items: flex-start;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 2;
}

.step-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 28px;
    font-weight: 700;
    border-radius: 50%;
    margin: 30px;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.4);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
    padding: 30px 30px 30px 0;
}

.step-header {
    margin-bottom: 15px;
}

.step-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.step-image {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
}

.step-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, rgba(79, 70, 229, 0.1), transparent);
    pointer-events: none;
    z-index: 1;
}

.step-image img {
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
    display: block;
}

.step-card:hover .step-image img {
    transform: scale(1.05);
}

.step-footer {
    border-top: 1px solid var(--border);
    padding-top: 15px;
}

/* Upload Stats */
.upload-stats {
    display: flex;
    gap: 20px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Mode Selector Preview */
.mode-selector-preview {
    display: flex;
    gap: 10px;
}

.mode-btn-preview {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

.mode-btn-preview.active {
    background: var(--primary);
    color: white;
    border-color: transparent;
}

/* Result Preview */
.result-preview {
    width: 100%;
}

.result-progress {
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-bar-preview {
    height: 8px;
    width: 85%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 4px;
    position: relative;
    flex-grow: 1;
}

.progress-bar-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    width: 100%;
}

.progress-text-preview {
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .step-card {
        flex-direction: column;
    }

    .step-number {
        margin: 20px auto;
    }

    .step-content {
        padding: 0 20px 20px;
    }

    .steps-connection {
        left: 50%;
    }
}


/* Footer Styles */
.footer {
    background: linear-gradient(to bottom, var(--surface), var(--background));
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    padding: clamp(40px, 8vw, 80px) 0 clamp(20px, 5vw, 40px);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(79, 70, 229, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(24px, 5vw, 40px);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr 1fr;
        align-items: start;
    }
}

.footer-brand h3 {
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    font-weight: 700;
    margin-bottom: clamp(8px, 2vw, 12px);
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.footer-brand p {
    color: var(--text-tertiary);
    max-width: 260px;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: clamp(20px, 5vw, 30px);
}

.footer-links-column h4 {
    color: var(--text-primary);
    font-size: clamp(1rem, 3vw, 1.1rem);
    font-weight: 600;
    margin-bottom: clamp(12px, 3vw, 16px);
    position: relative;
    display: inline-block;
}

.footer-links-column h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 30px;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.footer-links-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-column li {
    margin-bottom: clamp(8px, 2vw, 10px);
}

.footer-links-column a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: clamp(0.9rem, 2.5vw, 0.95rem);
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
    padding-left: 15px;
}

.footer-links-column a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.footer-links-column a:hover {
    color: var(--text-primary);
    transform: translateX(3px);
}

.footer-links-column a:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1.3);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.5);
}

.footer-social h4 {
    color: var(--text-primary);
    font-size: clamp(1rem, 3vw, 1.1rem);
    font-weight: 600;
    margin-bottom: clamp(12px, 3vw, 16px);
    position: relative;
    display: inline-block;
}

.footer-social h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 30px;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 2px;
}

.social-icons {
    display: flex;
    gap: clamp(12px, 3vw, 16px);
    margin-top: clamp(8px, 2vw, 12px);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.social-icon:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
    border-color: transparent;
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.social-icon:hover::before {
    opacity: 1;
}

.footer-bottom {
    margin-top: clamp(30px, 6vw, 40px);
    padding-top: clamp(20px, 4vw, 30px);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-tertiary);
    font-size: clamp(0.85rem, 2.3vw, 0.9rem);
}

@media (max-width: 767px) {
    .footer-content {
        text-align: center;
    }

    .footer-brand p {
        margin: 0 auto;
    }

    .footer-links-column h4::after,
    .footer-social h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-links-column a {
        padding-left: 0;
    }

    .footer-links-column a::before {
        display: none;
    }

    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Animation for social icons */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

.social-icon:hover {
    animation: pulse 1.5s infinite;
}


/* Pricing Section Styles */
.pricing-section {
    padding: clamp(60px, 10vw, 120px) 0;
    position: relative;
    overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(79, 70, 229, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.pricing-header {
    text-align: center;
    margin-bottom: clamp(40px, 8vw, 70px);
    position: relative;
}

.pricing-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: clamp(10px, 2vw, 16px);
    font-weight: 700;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.pricing-subtitle {
    font-size: clamp(1rem, 3vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: clamp(30px, 6vw, 50px) auto 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    padding: 6px;
    width: fit-content;
    position: relative;
    border: 1px solid var(--border);
}

.pricing-toggle-option {
    padding: clamp(8px, 2vw, 12px) clamp(16px, 4vw, 25px);
    border-radius: 50px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
}

.pricing-toggle-option.active {
    color: var(--text-primary);
}

.pricing-toggle-slider {
    position: absolute;
    top: 6px;
    left: 6px;
    height: calc(100% - 12px);
    border-radius: 50px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: all var(--transition-normal);
    z-index: 0;
}

/* .pricing-toggle.yearly .pricing-toggle-slider {
    transform: translateX(100%);
} */

.demo-cta {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pricing-save-badge {
    position: absolute;
    top: -15px;
    right: -15px;
    background: var(--accent);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 50px;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-normal);
}

.pricing-toggle.yearly .pricing-save-badge {
    opacity: 1;
    transform: scale(1);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(24px, 5vw, 40px);
    margin-top: clamp(30px, 6vw, 50px);
}

.pricing-plan {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-plan:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(79, 70, 229, 0.3);
}

.pricing-plan.popular {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 1;
    border-color: rgba(79, 70, 229, 0.3);
}

.pricing-plan.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-plan.popular::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 1;
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 15px 6px 20px;
    border-radius: 50px 0 0 50px;
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
    z-index: 5;
}

.pricing-plan-header {
    padding: clamp(30px, 6vw, 40px) clamp(25px, 5vw, 30px) clamp(25px, 5vw, 30px);
    text-align: center;
    border-bottom: 1px solid var(--border);
    position: relative;
    background: linear-gradient(to bottom, rgba(30, 41, 59, 0.4), transparent);
}

.pricing-plan-name {
    font-size: clamp(1.3rem, 3.5vw, 1.5rem);
    color: var(--text-primary);
    margin-bottom: clamp(15px, 3vw, 20px);
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.pricing-plan-price {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: clamp(5px, 1vw, 8px);
    position: relative;
    display: inline-flex;
    align-items: baseline;
}

.pricing-plan-price-currency {
    font-size: 1rem;
    margin-right: 5px;
    opacity: 0.7;
    font-weight: 500;
}

.pricing-plan-price-period {
    font-size: 1rem;
    margin-left: 5px;
    opacity: 0.7;
    font-weight: 500;
}

.pricing-plan-description {
    color: var(--text-tertiary);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    margin-top: clamp(10px, 2vw, 15px);
}

.pricing-plan-features {
    padding: clamp(25px, 5vw, 30px);
    flex-grow: 1;
}

.pricing-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pricing-feature-item {
    padding: clamp(10px, 2vw, 12px) 0;
    position: relative;
    padding-left: 35px;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.pricing-feature-item:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.pricing-feature-item::before {
    content: "\f00c";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--accent);
    font-size: 0.9rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pricing-feature-item.disabled {
    color: var(--text-tertiary);
    opacity: 0.6;
}

.pricing-feature-item.disabled::before {
    content: "\f00d";
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.pricing-plan-footer {
    padding: 0 clamp(25px, 5vw, 30px) clamp(30px, 6vw, 40px);
    text-align: center;
}

.pricing-button {
    display: inline-block;
    width: 100%;
    padding: clamp(12px, 3vw, 14px);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    text-align: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
    z-index: 1;
}

.pricing-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    z-index: -1;
}

.pricing-button:hover::after {
    transform: translateX(100%);
}

.pricing-button.primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    border: none;
}

.pricing-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
}

.pricing-button.secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

.pricing-button.secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.pricing-features-comparison {
    margin-top: clamp(50px, 10vw, 80px);
    overflow-x: auto;
    padding-bottom: 20px;
}

.pricing-comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 800px;
}

.pricing-comparison-table th,
.pricing-comparison-table td {
    padding: clamp(15px, 3vw, 20px);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.pricing-comparison-table thead th {
    background: var(--card-bg);
    color: var(--text-primary);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.pricing-comparison-table tbody th {
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-comparison-table td {
    color: var(--text-tertiary);
    text-align: center;
}

.pricing-comparison-plan-name {
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    font-size: 1.1rem;
}

.pricing-comparison-check {
    color: var(--accent);
    font-size: 1.2rem;
}

.pricing-comparison-close {
    color: var(--danger);
    font-size: 1.2rem;
}

/* Pricing FAQs */
.pricing-faqs {
    margin-top: clamp(60px, 12vw, 100px);
}

.pricing-faqs-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    color: var(--text-primary);
    margin-bottom: clamp(30px, 6vw, 40px);
    text-align: center;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.pricing-faqs-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    width: 60px;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 3px;
    transform: translateX(-50%);
}

.pricing-faq-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: clamp(20px, 4vw, 30px);
}

.pricing-faq-item {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    padding: clamp(20px, 4vw, 25px);
    transition: all var(--transition-normal);
}

.pricing-faq-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(79, 70, 229, 0.2);
}

.pricing-faq-question {
    font-size: clamp(1rem, 2.8vw, 1.2rem);
    color: var(--text-primary);
    margin-bottom: clamp(10px, 2vw, 15px);
    font-weight: 600;
    position: relative;
    padding-left: 30px;
}

.pricing-faq-question::before {
    content: "\f059";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--primary);
}

.pricing-faq-answer {
    color: var(--text-tertiary);
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    line-height: 1.7;
}

/* Call to Action */
.pricing-cta {
    margin-top: clamp(60px, 12vw, 100px);
    background: linear-gradient(to right bottom, rgba(79, 70, 229, 0.1), rgba(139, 92, 246, 0.05));
    border-radius: var(--border-radius-lg);
    padding: clamp(40px, 8vw, 60px) clamp(20px, 4vw, 40px);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(79, 70, 229, 0.2);
}

.pricing-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%234F46E5' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

.pricing-cta-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: clamp(15px, 3vw, 20px);
    font-weight: 700;
}

.pricing-cta-description {
    font-size: clamp(1rem, 2.8vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto clamp(30px, 6vw, 40px);
    line-height: 1.7;
}

.pricing-cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(15px, 3vw, 20px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .pricing-plan.popular {
        transform: scale(1);
    }

    .pricing-plan.popular:hover {
        transform: translateY(-10px);
    }

    .pricing-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .pricing-button {
        max-width: 100%;
        width: 100%;
    }
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-8px);
    }

    100% {
        transform: translateY(0px);
    }
}

.pricing-plan.popular {
    animation: float 4s ease-in-out infinite;
}



/* Mode Status Component Styles */
.mode-status {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--border-radius-md);
    margin: clamp(15px, 4vw, 25px) 0;
    transition: all var(--transition-normal);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.mode-status::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.05;
    z-index: 0;
    transition: opacity var(--transition-normal);
}

.mode-status:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mode-status:hover::before {
    opacity: 0.1;
}

.mode-status-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.mode-status-text {
    font-size: clamp(0.95rem, 2.5vw, 1rem);
    font-weight: 500;
    position: relative;
    z-index: 1;
    flex-grow: 1;
}

/* Ready State */
.status-ready {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.status-ready::before {
    background: linear-gradient(135deg, var(--success), transparent);
}

.status-ready .mode-status-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-ready:hover .mode-status-icon {
    background: var(--success);
    color: white;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.status-ready .mode-status-text {
    color: var(--success);
}

/* Loading State */
.status-loading {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.status-loading::before {
    background: linear-gradient(135deg, var(--info), transparent);
}

.status-loading .mode-status-icon {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    animation: spin 1.5s infinite linear;
}

.status-loading:hover .mode-status-icon {
    background: var(--info);
    color: white;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.status-loading .mode-status-text {
    color: var(--info);
}

/* Error State */
.status-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.status-error::before {
    background: linear-gradient(135deg, var(--danger), transparent);
}

.status-error .mode-status-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.status-error:hover .mode-status-icon {
    background: var(--danger);
    color: white;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

.status-error .mode-status-text {
    color: var(--danger);
}

/* Warning State */
.status-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}

.status-warning::before {
    background: linear-gradient(135deg, var(--warning), transparent);
}

.status-warning .mode-status-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.status-warning:hover .mode-status-icon {
    background: var(--warning);
    color: white;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.status-warning .mode-status-text {
    color: var(--warning);
}

/* Animation for loading state */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Add subtle pulsing animation for the ready state */
.status-ready .mode-status-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .mode-status {
        padding: 12px 15px;
    }

    .mode-status-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}


/* CSS stilovi za objašnjenja pitanja */
.explanation-container {
    background: rgba(79, 70, 229, 0.1);
    border-left: 4px solid var(--primary);
    border-radius: var(--border-radius-md);
    padding: 0 20px;
    margin-top: 20px;
    overflow: hidden;
    transition: all var(--transition-normal);
    max-height: 0;
    opacity: 0;
}

.explanation-title {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}

.explanation-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

/* Varijacije za različite tipove odgovora */
.correct+.explanation-container {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--success);
}

.correct+.explanation-container .explanation-title {
    color: var(--success);
}

.incorrect+.explanation-container {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--danger);
}

.incorrect+.explanation-container .explanation-title {
    color: var(--danger);
}



/* Poboljšani stilovi za kartice za učenje */

/* Kontejner za kartice - dodajemo 3D perspektivu */
.flashcard-container {
    perspective: 2000px;
    margin: 0 auto;
    max-width: 700px;
    padding: 20px 0;
}

/* Brojač kartica - elegantniji dizajn */
#flashcardCounter {
    text-align: center;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    display: inline-block;
    margin: 0 auto 20px;
    color: var(--text-secondary);
    font-weight: 500;
    box-shadow: var(--shadow-sm);
}

/* Kartica s 3D rotacijom */
.flashcard {
    height: 400px;
    width: 100%;
    position: relative;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    margin-bottom: 30px;
    cursor: pointer;
}

.flashcard.flipped {
    transform: rotateY(180deg);
}

/* Zajednički stilovi za prednju i stražnju stranu */
.flashcard-front,
.flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all var(--transition-normal);
    overflow: auto;
}

/* Dizajn prednje strane */
.flashcard-front {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.2), rgba(79, 70, 229, 0.05));
    border: 1px solid rgba(79, 70, 229, 0.2);
    color: var(--text-primary);
    font-size: 1.4rem;
    font-weight: 600;
}

.flashcard-front::before {
    content: "?";
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    opacity: 0.2;
    color: var(--primary);
}

/* Dizajn stražnje strane */
.flashcard-back {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.2);
    transform: rotateY(180deg);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.flashcard-back::before {
    content: "!";
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    opacity: 0.2;
    color: var(--success);
}

/* Kategorije kartica */
.flashcard-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 10px;
    border-radius: 30px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Sugestija za klik/okretanje */
.flip-hint {
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    opacity: 0.7;
    font-style: italic;
}

/* Kontrole za kartice */
.flashcard-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.flashcard-btn {
    min-width: 150px;
    padding: 12px 20px;
    border-radius: var(--border-radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.flashcard-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.flashcard-btn i {
    font-size: 0.9rem;
}

.btn-flip {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

.btn-flip:hover {
    box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
}

.btn-next {
    background: var(--elevated-bg);
}

.btn-difficulty {
    min-width: auto;
    padding: 8px 15px;
    font-size: 0.85rem;
}

.btn-easy {
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.btn-medium {
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.btn-hard {
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

/* Progress Tracker */
.flashcard-progress {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
}

.progress-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.progress-dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

.progress-dot.completed {
    background: var(--success);
}

/* Efekti za naglašavanje kartica */
.flashcard:hover {
    box-shadow: var(--shadow-lg);
}

.flashcard.flipped:hover {
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.2);
}

/* Responzivni dizajn */
@media (max-width: 768px) {
    .flashcard {
        height: 300px;
    }

    .flashcard-front {
        font-size: 1.2rem;
    }

    .flashcard-back {
        font-size: 1rem;
    }
}

/* Animacija klikanja */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}

.pulse {
    animation: pulse 1.5s infinite;
}

/* Dodatni stilovi za poboljšano sučelje kviza */

/* Stilovi za informacije o pitanju */
.question-info {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
}

.question-number {
    color: var(--text-secondary);
    font-weight: 500;
}

.question-difficulty {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.question-difficulty.easy {
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
}

.question-difficulty.medium {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.question-difficulty.hard {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
}

.question-category {
    color: var(--text-tertiary);
    font-style: italic;
}

.question-content {
    font-size: clamp(1.1rem, 3vw, 1.3rem);
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Stilovi za poboljšanje opcija */
.option-btn {
    position: relative;
    padding-left: 45px;
    text-align: left;
    transition: all var(--transition-fast);
}

.option-btn::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.option-btn:hover::before {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.1);
}

.option-btn.selected::before {
    background: var(--primary);
    border-color: var(--primary);
}

.option-btn.selected::after {
    content: "✓";
    position: absolute;
    left: 21px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.option-btn.correct::before {
    background: var(--success);
    border-color: var(--success);
}

.option-btn.correct::after {
    content: "✓";
    position: absolute;
    left: 21px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

.option-btn.incorrect::before {
    background: var(--danger);
    border-color: var(--danger);
}

.option-btn.incorrect::after {
    content: "✕";
    position: absolute;
    left: 21px;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
}

/* Dodati stilovi za paginaciju */
.pagination-controls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
}

.page-btn {
    min-width: 35px;
    height: 35px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.page-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.page-btn.active {
    background: var(--primary);
    color: var(--text-primary);
    border-color: var(--primary-hover);
}

/* Funkcionalnost za isticanje korisnog objašnjenja */
.highlight-explanation {
    animation: pulse-highlight 2s;
}

@keyframes pulse-highlight {
    0% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.5);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(79, 70, 229, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
    }
}


/* Poboljšani stilovi za vremensku crtu */

/* Glavni kontejner vremenske crte */
/* Poboljšani stilovi za vremensku crtu */
.timeline-container {
    margin-top: 30px;
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.timeline-container:hover {
    box-shadow: var(--shadow-lg);
}

.timeline-header {
    padding: 20px 30px;
    background: linear-gradient(to right, var(--primary-hover), var(--surface));
    border-bottom: 1px solid var(--border);
    position: relative;
}

.timeline-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline-description {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 800px;
}

.timeline-controls {
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.timeline-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(79, 70, 229, 0.3);
}

.filter-separator {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 10px;
}

.filter-group-title {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    padding: 8px 0;
}

.timeline-zoom {
    display: flex;
    gap: 5px;
}

.zoom-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Poboljšani stil za stavke vremenske crte */
.timeline-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-dot {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.3), 0 0 15px rgba(79, 70, 229, 0.5);
}

.timeline-content {
    position: relative;
    overflow: hidden;
}

.timeline-date {
    background: rgba(0, 0, 0, 0.2);
    display: inline-block;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.timeline-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-left: 8px;
    font-weight: 500;
}

.timeline-title {
    margin: 10px 0;
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.5;
}

.timeline-location-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(0, 0, 0, 0.15);
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.timeline-location-badge i {
    color: var(--accent);
}

.timeline-more {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 8px 15px;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.timeline-more:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.timeline-more i {
    transition: transform 0.3s ease;
}

.timeline-additional {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 8px 8px;
}

.timeline-additional.visible {
    max-height: 2000px;
    padding: 15px;
    border-top: 1px solid var(--border);
    margin-top: 15px;
}

/* Stilovi za poboljšane dodatne informacije */
.timeline-additional h4 {
    font-size: 1.1rem;
    margin: 15px 0 8px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-additional h4:first-child {
    margin-top: 0;
}

.timeline-additional h4 i {
    color: var(--primary);
}

.timeline-full-description {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-extended-text {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    line-height: 1.6;
}

.timeline-location {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.timeline-key-figures ul,
.timeline-connections ul,
.timeline-sources ul,
.timeline-links ul,
.timeline-controversies ul,
.statistics-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.timeline-key-figures li,
.timeline-connections li,
.timeline-links li,
.timeline-controversies li {
    padding: 8px 10px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    transition: background 0.3s ease;
}

.timeline-key-figures li:hover,
.timeline-connections li:hover,
.timeline-links li:hover,
.timeline-controversies li:hover {
    background: rgba(255, 255, 255, 0.05);
}

.figure-name {
    font-weight: 600;
    color: var(--text-primary);
}

.figure-role {
    margin-left: 8px;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.figure-impact {
    margin-top: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.connection-event {
    font-weight: 600;
    color: var(--text-primary);
}

.connection-relationship {
    margin-top: 5px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-significance,
.timeline-cultural-impact,
.timeline-legacy {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.gallery-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.image-placeholder {
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-tertiary);
    padding: 15px;
    text-align: center;
}

.image-placeholder i {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.image-caption {
    padding: 10px;
    font-size: 0.9rem;
    font-style: italic;
    border-top: 1px solid var(--border);
}

.image-source {
    padding: 5px 10px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-align: right;
    background: rgba(0, 0, 0, 0.2);
}

.timeline-quote {
    background: rgba(255, 255, 255, 0.03);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 3px solid var(--primary);
    position: relative;
}

.timeline-quote::before {
    content: '"';
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.1);
    position: absolute;
    top: 10px;
    left: 10px;
    line-height: 1;
}

.timeline-quote p {
    position: relative;
    padding-left: 20px;
    font-style: italic;
    color: var(--text-secondary);
}

.timeline-quote footer {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    font-size: 0.9rem;
}

.timeline-quote cite {
    font-weight: 600;
    color: var(--text-primary);
}

.quote-context {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.statistic-item {
    display: flex;
    flex-wrap: wrap;
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    margin-bottom: 10px;
}

.statistic-label {
    flex: 2;
    font-weight: 500;
    color: var(--text-secondary);
}

.statistic-value {
    flex: 1;
    font-weight: 600;
    color: var(--primary);
    text-align: right;
}

.statistic-context {
    flex-basis: 100%;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 5px;
}

.sources-group {
    margin-bottom: 15px;
}

.sources-group h5 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 10px 0 8px;
}

.timeline-sources ul ul li {
    padding: 5px 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 15px;
}

.timeline-sources ul ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.timeline-links a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.timeline-links a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.link-description {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 5px;
}

/* Oznaka za ključni događaj */
.milestone-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
    transform: rotate(3deg);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 5px;
}

.milestone-indicator i {
    font-size: 0.9rem;
}

/* Novi stil za dodatne filtre vremenske crte */
.timeline-filters-advanced {
    margin-top: 15px;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.filters-title {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.filters-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.filter-group {
    position: relative;
}

.filter-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 30px 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    min-width: 150px;
}

.filter-group::after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.filter-select option {
    background: var(--elevated-bg);
    color: var(--text-secondary);
}

.filter-search {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    min-width: 200px;
}

.filter-search::placeholder {
    color: var(--text-tertiary);
}

.filter-search:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.clear-filters {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 5px;
}

.clear-filters:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Paginacija za vremensku crtu */
.timeline-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    padding: 15px 0;
    border-top: 1px solid var(--border);
}

.pagination-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.pagination-btn:hover:not(.disabled) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.3);
}

/* Timeline grid view option */
.timeline-view-toggle {
    display: flex;
    gap: 5px;
    margin-left: auto;
}

.view-btn {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.view-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Grid view styles */
.timeline.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px;
}

.grid-view .timeline-item {
    position: static;
    width: 100%;
    left: 0;
    padding: 0;
}

.grid-view .timeline-item::before,
.grid-view .timeline-content::before,
.grid-view .timeline-dot {
    display: none;
}

.grid-view .timeline-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.grid-view .timeline-content .timeline-title {
    font-size: 1.1rem;
    margin-top: 5px;
}

.grid-view .timeline-content .timeline-description {
    flex-grow: 1;
}

/* Export button */
.export-timeline-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.export-timeline-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Responzivnost za mobilne uređaje */
@media (max-width: 768px) {
    .timeline-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .timeline-filter {
        margin-bottom: 10px;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 5px;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .timeline.grid-view {
        grid-template-columns: 1fr;
    }

    .filter-search,
    .filter-select {
        width: 100%;
        min-width: unset;
    }

    .filters-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
}













.demo-container {
    max-width: 960px;
    margin: 0 auto 40px;
    padding: 20px;
}

.demo-header {
    text-align: center;
    margin-bottom: 30px;
}

.demo-header h1 {
    color: var(--primary);
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.demo-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}








/*
 * SUMMARY CONTAINER - POBOLJŠANI CSS
 * ===================================
 * Organizirani stilovi za bolju preglednost
 */





/*
 * SUMMARY CONTAINER - NAPREDNI CSS
 * ===============================
 * Modernizirani stilovi za bolju preglednost i korisničko iskustvo
 */

/* ---------- VARIJABLE ---------- */
:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #4338CA;
    --bg-dark: #1E293B;
    --bg-darker: #0F172A;
    --text-light: #F8FAFC;
    --text-muted: #94A3B8;
    --border-light: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-hover: rgba(255, 255, 255, 0.08);
    --animation-speed: 0.3s;
}

/* ---------- OSNOVNI CONTAINER ---------- */
.summary-container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2.5rem;
    background: var(--bg-dark);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    transition: all var(--animation-speed) cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-light);
    position: relative;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.summary-container.dark-mode {
    background: var(--bg-darker);
}

.summary-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* ---------- HEADER ---------- */
.summary-container h2 {
    margin: 0 0 1.5rem 0;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
    letter-spacing: -0.025em;
    position: relative;
    display: inline-block;
    padding-bottom: 0.75rem;
}

.summary-container h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
}

/* ---------- GLAVNI SAŽETAK ---------- */
#mainSummary {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(145deg, rgba(79, 70, 229, 0.1) 0%, rgba(0, 0, 0, 0) 100%);
    border-radius: 12px;
    border-left: 3px solid var(--primary);
}

.summary-paragraph {
    font-size: 1.1rem;
    line-height: 1.75;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ---------- HEADINGS ---------- */
.summary-container h3 {
    color: var(--primary-light);
    margin: 1.5rem 0 1rem;
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.summary-container h3::before {
    content: '';
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 4px;
    transform: rotate(45deg);
    display: inline-block;
}

/* ---------- KLJUČNE TOČKE ---------- */
#keyPointsList {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
    gap: 1rem;
}

.key-point-item {
    display: flex;
    align-items: flex-start;
    padding: 1.1rem;
    background: rgba(79, 70, 229, 0.05);
    border-radius: 12px;
    transition: all var(--animation-speed) ease;
    border: 1px solid rgba(79, 70, 229, 0.1);
}

.key-point-item:hover {
    background: rgba(79, 70, 229, 0.08);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    border-color: var(--primary);
}

.key-point-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-right: 1rem;
    flex-shrink: 0;
}

.key-point-content {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-light);
}

/* ---------- POJMOVI ---------- */
.terms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}

.term-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    transition: all var(--animation-speed) ease;
    position: relative;
    overflow: hidden;
}

.term-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0.6;
    transition: all var(--animation-speed) ease;
}

.term-card:hover {
    background: var(--card-hover);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.term-card:hover::before {
    width: 100%;
    opacity: 0.05;
}

.term-title {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.15rem;
    margin: 0 0 0.75rem 0;
    display: flex;
    align-items: center;
}

.term-title::before {
    content: '•';
    margin-right: 0.5rem;
    color: var(--primary-light);
    font-size: 1.5rem;
    line-height: 0;
}

.term-definition {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
    transition: all var(--animation-speed) ease;
}

.term-card:hover .term-definition {
    color: var(--text-light);
}

/* ---------- FOOTER ---------- */
.summary-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-top: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.02);
    margin-top: 2.5rem;
    border-radius: 0 0 8px 8px;
}

.summary-back-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--animation-speed) ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.summary-back-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.summary-back-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(79, 70, 229, 0.4);
}

.summary-back-btn:hover::before {
    left: 100%;
}

/* ---------- ANIMACIJE ---------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.summary-container>div {
    animation: fadeIn 0.5s ease forwards;
}

/* ---------- STILOVI ZA ISPIS ---------- */
@media print {
    .summary-container {
        box-shadow: none;
        border: 1px solid #ddd;
        background: white;
        color: #333;
        padding: 1.5rem;
    }

    .summary-container h2 {
        color: #333;
    }

    .summary-container h2::after {
        background: #333;
    }

    #mainSummary {
        background: #f5f5f5;
        border-left: 2px solid #333;
    }

    .summary-paragraph {
        color: #333;
    }

    .summary-container h3 {
        color: #333;
        border-bottom: 1px solid #ddd;
    }

    .summary-container h3::before {
        background: #333;
    }

    .key-point-item {
        background: #f9f9f9;
        border: 1px solid #ddd;
        break-inside: avoid;
    }

    .key-point-number {
        background: #333;
    }

    .key-point-content {
        color: #333;
    }

    .term-card {
        background: #f9f9f9;
        border: 1px solid #ddd;
        break-inside: avoid;
    }

    .term-card::before {
        background: #333;
    }

    .term-title {
        color: #333;
    }

    .term-definition {
        color: #555;
    }

    .summary-footer {
        display: none;
    }
}

/* ---------- RESPONZIVAN DIZAJN ---------- */
@media (max-width: 992px) {
    .summary-container {
        padding: 2rem;
        margin: 1.5rem;
    }

    #keyPointsList {
        grid-template-columns: 1fr;
    }

    .terms-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .summary-container {
        padding: 1.5rem;
        margin: 1rem;
    }

    .summary-container h2 {
        font-size: 1.75rem;
    }

    #mainSummary {
        padding: 1.25rem;
    }

    .summary-paragraph {
        font-size: 1rem;
    }

    .key-point-item {
        padding: 1rem;
    }

    .key-point-content {
        font-size: 1rem;
    }

    .terms-grid {
        grid-template-columns: 1fr;
    }

    .term-card {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .summary-container {
        padding: 1.25rem;
        margin: 0.75rem;
    }

    .summary-container h2 {
        font-size: 1.5rem;
    }

    #mainSummary {
        padding: 1rem;
    }

    .summary-paragraph {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .summary-container h3 {
        font-size: 1.25rem;
    }

    .key-point-item {
        padding: 0.875rem;
    }

    .key-point-number {
        width: 24px;
        height: 24px;
        font-size: 0.8rem;
    }

    .key-point-content {
        font-size: 0.95rem;
    }

    .term-card {
        padding: 1rem;
    }

    .term-title {
        font-size: 1.05rem;
    }

    .term-definition {
        font-size: 0.9rem;
    }

    .summary-footer {
        padding: 1.25rem;
        flex-direction: column;
        gap: 1rem;
    }

    .summary-back-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ---------- DODATNA POBOLJŠANJA ---------- */
/* Scrollbar */
.summary-container::-webkit-scrollbar {
    width: 8px;
}

.summary-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.summary-container::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 8px;
}

/* Fokus */
.summary-container *:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Tranzicije */
.summary-container * {
    transition: all 0.2s ease;
}

/* Efekt sjene za container pri interakciji */
.summary-container:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}




/* Dictionary Styles */

/* Enhanced Dictionary Styles with multilingual support */

.mini-dictionary {
    transition: all 0.3s ease;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    width: 350px;
    max-height: 80vh;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.mini-dictionary.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.mini-dictionary-header {
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to right, var(--card-bg), var(--elevated-bg));
}

.mini-dictionary-header h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

#closeDictionary {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1.2rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

#closeDictionary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.dictionary-search {
    padding: 15px 15px !important;
    display: flex;
    gap: 8px;
}

#dictionarySearchInput {
    flex: 1;
    padding: 10px 15px;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 10px top 50%;
    background-size: 10px auto;
    padding-right: 25px;
}

#dictionaryLanguageSelector:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(79, 70, 229, 0.3);
}

#dictionaryLanguageSelector:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

.mini-dictionary-body {
    padding: 15px;
    overflow-y: auto;
    max-height: auto;
    flex-grow: 1;
}

.mini-dictionary-body::-webkit-scrollbar {
    width: 6px;
}

.mini-dictionary-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 3px;
}

.mini-dictionary-body::-webkit-scrollbar-thumb {
    background: rgba(79, 70, 229, 0.5);
    border-radius: 3px;
}

.mini-dictionary-body::-webkit-scrollbar-thumb:hover {
    background: rgba(79, 70, 229);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

#dictionarySearchInput:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.dictionary-search button {
    padding: 10px 15px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dictionary-search button:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.language-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}


label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: rgba(248, 250, 252, 0.8);
}

/* Enhanced Language Selector Styles */
#dictionaryLanguageSelector {
    /* Base styles */
    background-color: rgba(30, 41, 59, 0.8);
    /* Dark blue background with transparency */
    color: #F8FAFC;
    /* Light text color */
    border: 1px solid rgba(248, 250, 252, 0.2);
    /* Light border with transparency */
    border-radius: 8px;
    padding: 10px 35px 10px 15px;
    /* Extra padding-right for the arrow */
    font-size: 1rem;
    font-weight: 500;
    width: 100%;

    /* Custom arrow */
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234F46E5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;

    /* Transitions and cursor */
    transition: all 0.3s ease;
    cursor: pointer;

    /* Box shadow for depth */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Focus state */
#dictionaryLanguageSelector:focus {
    outline: none;
    border-color: #4F46E5;
    /* Primary color */
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3), 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Hover state */
#dictionaryLanguageSelector:hover {
    background-color: rgba(51, 65, 85, 0.9);
    /* Slightly lighter background on hover */
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Style for the options inside the dropdown */
#dictionaryLanguageSelector option {
    background-color: #1E293B;
    /* Dark background */
    color: #F8FAFC;
    /* Light text */
    padding: 10px;
    font-size: 0.9rem;
}

/* Custom styles for the language selector wrapper */
.language-selector-wrapper {
    position: relative;
    display: block;
}

.language-selector-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 40px;
    background: linear-gradient(to right, rgba(30, 41, 59, 0) 0%, rgba(30, 41, 59, 0.9) 40%);
    pointer-events: none;
    border-radius: 0 8px 8px 0;
}

/* Flag icon styles */
.flag-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 8px;
    vertical-align: middle;
    border-radius: 3px;
    background-size: cover;
}

.flag-en {
    background-image: url('data:image/svg+xml;base64,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');
}

.flag-hr {
    background-image: url('data:image/svg+xml;base64,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');
}

.mini-dictionary-body {
    padding: 15px;
    overflow-y: auto;
    flex-grow: 1;
    max-height: 60vh;
}

.mini-dictionary-body::-webkit-scrollbar {
    width: 6px;
}

.mini-dictionary-body::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

.mini-dictionary-body::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.word-title {
    font-size: 1.5rem;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 600;
}

.dictionary-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.dictionary-tab {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dictionary-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.dictionary-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    font-weight: 500;
    box-shadow: 0 5px 10px rgba(79, 70, 229, 0.3);
}

.phonetic {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-style: italic;
}

.pronunciation {
    margin-bottom: 15px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.play-pronunciation {
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-pronunciation:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Responsive styles */
@media (max-width: 480px) {
    .mini-dictionary {
        width: 90%;
        left: 5%;
        right: 5%;
    }

    .language-selector {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }

    .mini-dictionary-header {
        flex-wrap: wrap;
    }

    #dictionaryLanguageSelector {
        width: 100%;
    }

    .dictionary-search {
        flex-direction: column;
    }

    .dictionary-search button {
        width: 100%;
    }

    .dictionary-tabs {
        justify-content: center;
    }
}

/* Dark/Light mode support */
@media (prefers-color-scheme: light) {
    .mini-dictionary {
        background: #ffffff;
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    }

    .mini-dictionary-header {
        background: linear-gradient(to right, #f8f9fa, #e9ecef);
    }

    #dictionaryLanguageSelector {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23000000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    }
}

/* Animation for dictionary appearance */
@keyframes dictionaryFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mini-dictionary.show {
    animation: dictionaryFadeIn 0.3s ease forwards;
}

/* Tooltip for language features */
.language-feature-tooltip {
    position: relative;
    display: inline-block;
}

.language-feature-tooltip .tooltip-text {
    visibility: hidden;
    width: 200px;
    background-color: var(--elevated-bg);
    color: var(--text-primary);
    text-align: center;
    border-radius: 6px;
    padding: 8px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.8rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
}

.language-feature-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Additional styling for pronunciation feature */
.pronunciation-available {
    position: relative;
}

.pronunciation-available::after {
    content: "♪";
    position: absolute;
    top: -5px;
    right: -10px;
    font-size: 0.8rem;
    color: var(--accent);
}









/* CUSTOM */

/* Custom Request Container */
/* .custom-request {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: 8px 12px;
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
} */

.custom-request:hover {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.2);
}

/* Custom Request Input */
.custom-request input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    padding: 8px 12px;
    width: 200px;
    min-width: 150px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.custom-request input::placeholder {
    color: var(--text-tertiary);
    font-style: normal;
}

.custom-request input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

/* Custom Request Button */
.custom-request .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 2px 5px rgba(79, 70, 229, 0.3);
}

.custom-request .btn:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary));
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.4);
}

.custom-request .btn:disabled {
    background: var(--elevated-bg);
    color: var(--text-tertiary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    animation: none;
}

/* Optional Quick Questions Dropdown */
.custom-request select#quickQuestions {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    min-width: 150px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f8fafc80'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.custom-request select#quickQuestions:hover {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
}

.custom-request select#quickQuestions:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.3);
}

/* AI Suggestion Chip for Custom Request */
.ai-suggestion-chip.custom {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: capitalize;
    box-shadow: 0 2px 5px rgba(79, 70, 229, 0.2);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .custom-request {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
    }

    .custom-request input {
        width: 100%;
        min-width: auto;
    }

    .custom-request select#quickQuestions {
        width: 100%;
    }

    .custom-request .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .custom-request {
        padding: 10px;
    }

    .custom-request input {
        font-size: 0.9rem;
        padding: 6px 10px;
    }

    .custom-request .btn {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
}



:root {
    /* Add any additional variables specific to landing page */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-hover));
    --shadow-hover: 0 10px 25px rgba(79, 70, 229, 0.4);
}

body {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Section styling */
section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.section-header p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Hero section enhanced styling */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0;
    overflow: hidden;
    z-index: 20;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1488190211105-8b0e65b80b4e?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    filter: brightness(0.2) saturate(0.8);
    z-index: -3;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%234f46e5' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(79, 70, 229, 0.4) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.3) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.hero-text {
    flex: 1;
    min-width: 300px;
    animation: fadeInUp 1s ease;
}

.hero-text h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.025em;
    color: var(--text-light);
    font-weight: 700;
}

.hero-text p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
    animation: float 6s ease-in-out infinite;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
    transform: translateZ(20px);
    transition: transform 0.5s ease;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
    transform: translateY(1px);
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 70px;
}

.hero-wave .shape-fill {
    fill: var(--surface);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 0;
        margin-bottom: 30px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-wave svg {
        height: 50px;
    }
}

@media (max-width: 576px) {
    .hero-content {
        margin: 30px 0;
        gap: 20px;
    }

    .hero-text h2 {
        font-size: 1.8rem;
    }

    .hero-wave svg {
        height: 30px;
    }

    .hero-image {
        max-width: 90%;
        margin: 0 auto;
    }
}


/* Navigation styling */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100000;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    z-index: 999;
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
    text-decoration: none;
    font-weight: 700;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    color: white;
    font-size: 1rem;
}

.light-effect {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    }

    50% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.9);
    }

    100% {
        text-shadow: 0 0 5px rgba(255, 255, 255, 0.7);
    }
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: var(--text-light);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-auth {
    display: flex;
    gap: 1rem;
}

.btn-login {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-register {
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 0.375rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--elevated-bg);
    overflow: hidden;
    transition: height 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.mobile-menu.active {
    height: auto;
    padding: 1rem 0;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.mobile-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 1rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.mobile-link:hover {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    margin-top: 1rem;
}

.mobile-btn {
    text-align: center;
    padding: 0.75rem !important;
}

/* Make navbar smaller on scroll */
.nav.scrolled {
    padding: 0.5rem 0;
    background: rgba(15, 23, 42, 0.95);
}

/* Responsive design */
@media (max-width: 768px) {

    .nav-links,
    .nav-auth {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

    .nav-container {
        padding: 0.75rem 1rem;
    }
}


.btn-large {
    padding: 14px 28px;
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-secondary:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
}


.sidebar-logo {
    display: flex;
    align-items: center;
    padding: 24px 20px;

}

.sidebar-logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    margin-right: 12px;
    font-size: 20px;
    box-shadow: var(--shadow-sm);
}

.sidebar-logo-text {
    font-weight: 700;
    font-size: 1.3rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Demo Section Styling */
.demo {

    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.demo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgba(79, 70, 229, 0.1), transparent 70%);
    pointer-events: none;
}

.demo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    margin-top: 40px;
}

.demo-video {
    width: 100%;
    max-width: 900px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.demo-video:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.video-placeholder {
    position: relative;
    width: 100%;

    background-color: var(--surface);
    cursor: pointer;
}

.video-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: filter 0.3s ease;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.play-button i {
    color: white;
    font-size: 30px;
    margin-left: 5px;
    /* Slight offset for play icon */
}

.video-placeholder:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.5);
}

.video-placeholder:hover img {
    filter: brightness(0.8);
}

.demo-cta {
    text-align: center;
    width: 100%;
    max-width: 500px;
}

.demo-cta .btn {
    font-size: 1.1rem;
    padding: 14px 32px;
    width: 100%;
    margin-bottom: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.demo-subtext {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Video message when clicked */
.video-clicked {
    background: var(--elevated-bg);
}

.video-message {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    text-align: center;
    padding: 20px;
}

/* Responsive adjustments */
@media (min-width: 768px) {
    .demo-container {
        flex-direction: column;
    }

    .demo-cta {
        margin-top: 20px;
    }

    .demo-cta .btn {
        max-width: 400px;
    }
}

@media (max-width: 767px) {
    .demo {
        padding: 60px 0;
    }

    .play-button {
        width: 60px;
        height: 60px;
    }

    .play-button i {
        font-size: 24px;
    }

    .demo-video {
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .demo {
        padding: 40px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .play-button {
        width: 50px;
        height: 50px;
    }

    .play-button i {
        font-size: 20px;
    }

    .demo-cta .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
}




/* Stilovi za banner za kolačiće */
.cookie-consent-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1000px;
    background: var(--elevated-bg);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cookie-consent-banner.show {
    opacity: 1;
    visibility: visible;
}

.cookie-banner-content {
    flex: 1;
}

.cookie-banner h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cookie-banner p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 0.95rem;
}

.cookie-banner-actions {
    display: flex;
    gap: 15px;
}

.cookie-btn {
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 14px;
}

.cookie-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.cookie-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
}

.cookie-btn-primary {
    background: var(--primary);
    color: white;
}

.cookie-btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cookie-modal.show {
    opacity: 1;
    visibility: visible;
}

.cookie-modal-content {
    background: var(--surface);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.cookie-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.cookie-modal-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.cookie-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

.cookie-modal-close:hover {
    color: var(--text-primary);
}

.cookie-toggle-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

.cookie-toggle-group:last-child {
    border-bottom: none;
}

.cookie-toggle-label {
    font-weight: 500;
}

.cookie-toggle-description {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-top: 5px;
}

.cookie-toggle {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.cookie-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.cookie-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 34px;
}

.cookie-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.cookie-slider {
    background-color: var(--primary);
}

input:checked+.cookie-slider:before {
    transform: translateX(24px);
}

.cookie-modal-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
    .cookie-consent-banner {
        flex-direction: column;
        align-items: stretch;
    }

    .cookie-banner-actions {
        margin-top: 15px;
    }

    .cookie-modal-footer {
        flex-direction: column;
        gap: 10px;
    }

    .cookie-modal-footer button {
        width: 100%;
    }
}

/* Animacija za banner */
@keyframes cookieBannerSlideUp {
    from {
        transform: translateY(100px) translateX(-50%);
        opacity: 0;
    }

    to {
        transform: translateY(0) translateX(-50%);
        opacity: 1;
    }
}

.cookie-consent-banner.show {
    animation: cookieBannerSlideUp 0.5s forwards;
}