/*
Theme Name: Educational Platform
Description: A modern WordPress theme designed for educational platforms with H5P integration and teacher toolbox functionality. Redesigned with Astangu v2 branding.
Version: 2.0.0
Author: Educational Platform Team
Text Domain: edu-platform
*/

/* Astangu Brand Font Faces */
@font-face {
    font-family: 'Scala Sans';
    src: url('fonts/ScalaSansOT-Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Scala Sans';
    src: url('fonts/ScalaSansOT-Regular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Scala Sans';
    src: url('fonts/ScalaSansOT-Black.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Scala Sans Condensed';
    src: url('fonts/ScalaSansOT-CondRegular.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Scala Sans Condensed';
    src: url('fonts/ScalaSansOT-CondBold.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Typography Utility Classes */
.heading-cond-bold {
    font-family: 'Scala Sans Condensed', 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 700;
}

/* CSS Variables for Astangu Brand */
:root {
    /* Astangu Brand Colors */
    --brand-purple: #5d0f57;
    --brand-lime: #b7d333;
    --brand-dark-purple: #611e59;
    --brand-hover-purple: #53184f;
    --brand-footer-purple: #4b1d70;

    /* Primary colors (using Astangu purple) */
    --primary-color: #611e59;
    --primary-dark: #53184f;
    --primary-light: #7a2671;
    --secondary-color: #b7d333;
    --accent-color: #ed8936;
    --danger-color: #f56565;
    --warning-color: #ecc94b;

    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    --bg-overlay: rgba(0, 0, 0, 0.5);

    /* Text colors */
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --text-light: #a0aec0;

    /* Border colors */
    --border-color: #e2e8f0;
    --border-focus: #611e59;
    --border-hover: #cbd5e0;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Notification colors */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-info: #06b6d4;
    --color-warning: #f59e0b;

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 1rem;

    /* Typography */
    --font-primary: 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-relaxed: 1.75;

    /* Shadows */
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Force Light Mode Only - Override ALL dark mode styles */
html,
html[data-theme],
html[data-theme="dark"],
body {
    background-color: #ffffff !important;
    color: #2d3748 !important;
}

/* Override dark theme variables to force light mode */
[data-theme="dark"] {
    --bg-primary: #ffffff !important;
    --bg-secondary: #f7fafc !important;
    --bg-tertiary: #edf2f7 !important;
    --text-primary: #2d3748 !important;
    --text-secondary: #4a5568 !important;
    --text-muted: #718096 !important;
    --text-light: #a0aec0 !important;
    --border-color: #e2e8f0 !important;
    --border-hover: #cbd5e0 !important;
}

/* Force light backgrounds on all major elements */
.teacher-toolbox,
.materials-database,
.site-main,
.site-content {
    background: #ffffff !important;
}

/* Force light backgrounds on cards and boxes */
.card,
.box,
.panel,
.tool-card,
.material-card,
[class*="card"],
[class*="box"],
[class*="panel"] {
    background-color: #ffffff !important;
    color: #2d3748 !important;
}

/* High contrast mode */
[data-contrast="high"] {
    --primary-color: #000000;
    --bg-primary: #ffffff;
    --bg-secondary: #f0f0f0;
    --text-primary: #000000;
    --text-secondary: #000000;
    --border-color: #000000;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: #ffffff;
    transition: all var(--transition-base);
}

/* Ensure desktop navigation is visible on large screens */
@media (min-width: 1024px) {
    .main-nav>div.hidden {
        display: flex !important;
    }

    /* Fix nav justify-content to flex-start on large screens */
    .main-nav {
        justify-content: flex-start !important;
    }

    /* Ensure desktop navigation container has proper margin and width */
    .main-nav>div.hidden.lg\:ml-12 {
        margin-left: 48px !important;
        width: 100% !important;
        justify-content: space-between !important;
    }


}

/* Astangu v2 Header Styling - Solid Color, Vertically Centered */
.site-header {
    background-color: #b7d333 !important;
    min-height: 100px;
    /* Increased height for more prominence */
    display: flex;
    align-items: center;
    /* Center content vertically */
}

/* Fix container widths and padding to match kontakt.html */
.site-header .mx-auto.max-w-7xl {
    margin-left: auto !important;
    margin-right: auto !important;
    max-width: 1280px !important;
    width: 100% !important;
}

.site-header .px-6 {
    padding-left: 24px !important;
    padding-right: 24px !important;
}

.main-nav {
    background-color: #b7d333;
    color: #611E59;
    font-family: 'Scala Sans Condensed', 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    width: 100%;
}

.main-nav a,
.main-nav button:not([data-menu-open]) {
    color: #611E59;
    display: inline-flex;
    align-items: center;
    font-size: 18px;
    line-height: 27px;
    font-weight: 600;
}

.main-nav a:not(.btn-dark):hover,
.main-nav button:not([data-menu-open]):hover {
    color: #611E59;
    opacity: 0.85;
}

.main-nav svg {
    color: #611E59;
}

/* Dropdown Menu Functionality - Enable group-hover */
.group:hover .group-hover\:block,
.group:focus-within .group-focus-within\:block {
    display: block !important;
}

/* Dropdown Menu Spacing - Custom Styles */
.main-nav .group .absolute>div {
    padding: 1rem !important;
}

.main-nav .group .absolute>div>a {
    display: block !important;
    padding: 0.625rem 1.5rem !important;
    padding-left: 1.5rem !important;
    margin: 0.125rem 0 !important;
    line-height: 1.75 !important;
}


/* Flyout Submenu Support - Nested menus appear to the right */
.main-nav .nested-dropdown {
    position: absolute;
    left: 100%;
    top: 0;
    margin-left: 0;
    /* Removed margin - no gap makes it easier to hover */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}

.main-nav .nested-dropdown>div {
    background: white;
    margin-left: 0.5rem;
    /* Visual spacing without breaking hover */
    /* No shadow on flyout panels */
}

.main-nav .peer:hover~.nested-dropdown,
.main-nav .nested-dropdown:hover,
.main-nav .nested-dropdown:focus-within {
    opacity: 1;
    visibility: visible;
    transition-delay: 0.3s;
    /* 300ms delay before showing - prevents accidental triggers */
    animation: fadeInFlyout 0.2s ease-out;
}

/* Safe Triangle JavaScript Support - submenu stays visible with .active class */
.main-nav .nested-dropdown.active {
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
    /* Instant show when JavaScript triggers it */
}

/* Fade-in animation for smoother appearance */
@keyframes fadeInFlyout {
    from {
        opacity: 0;
        transform: translateX(-4px);
    }

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



/* Hero Section Layout Fix */
.relative>.relative {
    z-index: 10;
}

.relative>.h-48 {
    z-index: 1;
}

/* CTA Button Styling (Hero Section) - Enhanced v2 Design */
/* Global Button Styles */
.btn-dark {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    background-color: #611e59 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 8px !important;
    font-weight: 400 !important;
    text-decoration: none !important;
    text-shadow: none !important;
    transition: all 0.2s ease !important;
    box-shadow: none !important;
    cursor: pointer;
    line-height: 1.2 !important;
}

.btn-dark:hover {
    background-color: #611e59 !important;
    color: #b7d333 !important;
    box-shadow: 0 2px 8px rgba(97, 30, 89, 0.3) !important;
}

.btn-dark:active {
    transform: scale(0.98) !important;
}

.btn-dark:focus {
    outline: 2px solid #5d0f57 !important;
    outline-offset: 2px !important;
}

/* Button Sizes */
.btn-lg {
    padding: 16px 32px !important;
    font-size: 16px !important;
}

.btn-reg {
    padding: 8px 16px !important;
    font-size: 14px !important;
}

/* Mobile Menu Styling - Lime green background */
.mobile-menu {
    background-color: #b7d333;
    color: #611e59;
}

.mobile-menu a,
.mobile-menu button {
    color: #611e59;
}

.mobile-menu svg {
    color: #611e59;
}

/* Mobile Menu Hover States - opacity for lime background */
.mobile-menu a:not(.mobile-login-button):hover,
.mobile-menu a:not(.mobile-login-button):focus {
    opacity: 0.85;
}

/* Ensure mobile menu items have proper hover transition */
.mobile-menu a {
    transition: opacity 0.2s ease;
}

/* Mobile menu parent items - bold purple text */
.mobile-menu .mobile-menu-parent {
    color: #611e59;
    font-weight: 700;
    font-size: 1.125rem;
    padding: 0.75rem 0;
}

/* Mobile menu sub-items - regular weight, indented */
.mobile-menu .mobile-menu-child {
    color: #611e59;
    font-weight: 400;
    font-size: 1rem;
    padding: 0.5rem 0 0.5rem 1rem;
}

/* Mobile menu logo section */
.mobile-menu-logo {
    display: block;
    padding: 1rem 0 1.5rem 0;
}

.mobile-menu-logo img {
    height: 2.25rem;
    width: auto;
    display: block !important;
}

/* Mobile menu content spacing */
.mobile-menu {
    padding: 1.5rem;
}

.mobile-menu .mobile-menu-parent {
    padding-left: 0.5rem;
}

.mobile-menu .mobile-menu-child {
    padding-left: 1.5rem;
}

/* Mobile login button - full width purple at bottom */
.mobile-login-button {
    display: block;
    width: 100%;
    background-color: #611e59 !important;
    color: #ffffff !important;
    text-align: center;
    padding: 0.875rem 1rem;
    border-radius: 0.375rem;
    font-weight: 400;
    margin-top: 1.5rem;
    transition: background-color 0.2s ease;
}

.mobile-login-button:hover {
    background-color: #53184f !important;
}

/* Footer Styling - Astangu v2 */
footer {
    font-family: 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #ffffff;
}

.footer-section {
    background-color: #ffffff;
    color: #4b1d70;
    text-align: center;
    padding: 3rem 1.5rem;
    max-width: 720px;
    margin: 0 auto;
}

.footer-title {
    font-family: 'Scala Sans Condensed', 'Scala Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    color: #4b1d70;
}

.footer-line {
    font-size: 1rem;
    letter-spacing: 0.08em;
    line-height: 1.8;
    color: #4b1d70;
}

.footer-item {
    display: inline-block;
    margin: 0 0.75rem;
    color: #4b1d70;
}

/* Responsive adjustments for footer - mobile */
@media (max-width: 640px) {
    .footer-item {
        display: block;
        margin: 0.25rem 0;
    }

    .footer-line {
        margin-bottom: 0.5rem;
    }

    .footer-section {
        padding: 2rem 1rem;
    }

    .footer-title {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }
}

/* Update all buttons to use Astangu purple */
.btn-primary,
.create-new-btn,
.search-btn,
button[type="submit"]:not(.btn-secondary):not(.btn-outline) {
    background-color: var(--brand-dark-purple) !important;
    border-color: var(--brand-dark-purple) !important;
    color: #ffffff !important;
}

.btn-primary:hover,
.create-new-btn:hover,
.search-btn:hover,
button[type="submit"]:not(.btn-secondary):not(.btn-outline):hover {
    background-color: var(--brand-hover-purple) !important;
    border-color: var(--brand-hover-purple) !important;
}

/* Additional Header Styles - Removed conflicting gradient */

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    color: white;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

/* Navigation */
.main-navigation {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0;
}

.nav-menu {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    list-style: none;
    padding: 0 2rem;
}

.nav-menu li {
    margin-right: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.current {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Main Content */
.site-content {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
    background-color: #ffffff;
}

.site-main {
    background-color: #ffffff;
}

/* Toolbox Section */
.teacher-toolbox {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.toolbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.toolbox-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbox-title::before {
    content: "";
    font-size: 1.5rem;
}

.create-new-btn {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.create-new-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
}

/* Tool Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tool-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tool-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.tool-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.tool-description {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Materials Database */
.materials-database {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.database-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.database-header h2 {
    color: var(--text-primary);
    margin: 0;
}

.search-container {
    margin-bottom: 2rem;
}

.search-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all var(--transition-base);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.search-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(97, 30, 89, 0.1);
}

.search-clear {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.search-clear:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.search-btn,
.filter-btn,
.advanced-search-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 0.5rem;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.search-btn:hover,
.filter-btn:hover,
.advanced-search-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.filter-btn,
.advanced-search-btn {
    background: var(--bg-primary);
    color: var(--primary-color);
}

.filter-btn:hover,
.advanced-search-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-dark);
}

.filter-btn.active,
.advanced-search-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.suggestions-header {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background var(--transition-base);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.suggestion-item:hover {
    background: var(--bg-secondary);
}

.suggestion-item:last-child {
    border-bottom: none;
}

/* Quick Search Tags */
.quick-search-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.quick-search-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.tag-btn {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.tag-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Advanced Search Panel */
.advanced-search-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.advanced-search-content {
    max-width: 1000px;
}

.advanced-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.advanced-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.advanced-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.duration-range {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.duration-range input {
    flex: 1;
}

.duration-range span {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.advanced-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

/* Filter Panel */
.filter-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
}

.filter-header {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-radius: 0.5rem 0.5rem 0 0;
}

.filter-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.filter-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: all var(--transition-base);
}

.filter-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.filter-content {
    padding: 1.5rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.filter-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Search Results Header */
.search-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
    border: 1px solid var(--border-color);
}

.results-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.results-count {
    font-weight: 600;
    color: var(--text-primary);
}

.search-query {
    color: var(--primary-color);
    font-style: italic;
}

.results-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sort-options label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.view-options {
    display: flex;
    gap: 0.25rem;
}

.view-btn {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 1.125rem;
}

.view-btn:first-child {
    border-radius: 0.375rem 0 0 0.375rem;
}

.view-btn:last-child {
    border-radius: 0 0.375rem 0.375rem 0;
}

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

.view-btn:hover:not(.active) {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

/* Saved Searches */
.saved-searches {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
}

.saved-searches-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    cursor: pointer;
}

.saved-searches-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
}

.toggle-saved {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    transition: transform var(--transition-base);
}

.saved-searches-list {
    padding: 1rem;
}

.saved-search-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border-radius: 0.375rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
}

.saved-search-item:last-child {
    margin-bottom: 0;
}

.search-name {
    font-weight: 500;
    color: var(--text-primary);
}

.search-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-sm:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.load-search:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.delete-search:hover {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* Active Filters */
.active-filters {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.active-filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.active-filters-header span {
    font-weight: 600;
    color: var(--text-primary);
}

.clear-all-filters {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-weight: 600;
    text-decoration: underline;
    transition: color var(--transition-base);
}

.clear-all-filters:hover {
    color: var(--danger-color);
    opacity: 0.8;
}

.active-filters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.active-filter {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    font-size: 0.875rem;
}

.filter-type {
    font-weight: 600;
    color: var(--text-primary);
}

.filter-value {
    color: var(--text-secondary);
}

.remove-filter {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 1rem;
    margin-left: 0.25rem;
    padding: 0;
    border-radius: 50%;
    width: 1.25rem;
    height: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.remove-filter:hover {
    background: var(--bg-secondary);
    color: var(--danger-color);
    opacity: 0.8;
}

/* Enhanced Material Cards */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.material-card {
    background: var(--bg-primary);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-slow);
    border: 1px solid var(--border-color);
}

.material-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.materials-grid.list-view .material-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    height: 200px;
}

.material-thumbnail {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: #f7fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.materials-grid.list-view .material-thumbnail {
    height: 100%;
}

.material-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.default-thumbnail {
    font-size: 3rem;
    color: #cbd5e0;
}

.material-content {
    padding: 1.5rem;
}

.materials-grid.list-view .material-content {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.material-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.material-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
    flex: 1;
}

.materials-grid.list-view .material-title {
    font-size: 1.25rem;
}

.btn-favorite {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: all var(--transition-base);
    margin-left: 0.5rem;
}

.btn-favorite:hover {
    background: var(--bg-secondary);
}

.btn-favorite .favorite-icon {
    font-size: 1.25rem;
}

.material-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.materials-grid.list-view .material-meta {
    margin-bottom: 0.5rem;
}

.material-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.925rem;
}

.materials-grid.list-view .material-description {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}

.material-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.materials-grid.list-view .material-tags {
    margin-bottom: 0.75rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-base);
}

.subject-tag {
    background: #bee3f8;
    color: #2b6cb0;
}

.difficulty-tag {
    background: #fbb6ce;
    color: #b83280;
}

.age-tag {
    background: #c6f6d5;
    color: #276749;
}

.tag:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.material-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.materials-grid.list-view .material-actions {
    margin-top: auto;
}

.btn-primary,
.btn-secondary,
.btn-share,
.btn-outline,
.btn-danger {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

.btn-danger {
    background: var(--bg-primary);
    color: #dc2626;
    border-color: #dc2626;
}

.btn-danger:hover {
    background: #fef2f2;
    color: #b91c1c;
    border-color: #b91c1c;
}

.btn-share {
    background: var(--bg-primary);
    color: var(--text-muted);
    border-color: var(--border-color);
}

.btn-share:hover {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-hover);
}

.btn-outline {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-hover);
}



/* Form Elements */
.form-select,
.form-input,
.form-textarea {
    padding: 0.5rem 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: white;
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #611e59;
    box-shadow: 0 0 0 3px rgba(97, 30, 89, 0.1);
}

.form-select[multiple] {
    min-height: 120px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .search-bar {
        flex-direction: column;
    }

    .search-input-wrapper {
        min-width: auto;
    }

    .advanced-row {
        grid-template-columns: 1fr;
    }

    .filter-row {
        grid-template-columns: 1fr;
    }

    .search-results-header {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .results-actions {
        justify-content: center;
    }

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

    .materials-grid.list-view .material-card {
        grid-template-columns: 1fr;
        height: auto;
    }

    .materials-grid.list-view .material-thumbnail {
        height: 180px;
    }

    .material-actions {
        justify-content: center;
    }

    .quick-search-tags {
        justify-content: center;
    }

    .advanced-actions {
        justify-content: center;
    }

    .filter-actions {
        justify-content: center;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

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

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

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid #e2e8f0;
    border-top: 3px solid #611e59;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

/* Loading Spinner - Moved from components.css */
.spinner,
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Small Spinner */
.spinner-sm,
.loading-spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

/* Large Spinner */
.spinner-lg,
.loading-spinner-lg {
    width: 2.5rem;
    height: 2.5rem;
    border-width: 4px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Toast Notification Slide-in Animation */
@keyframes slide-in {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

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

.animate-slide-in {
    animation: slide-in 0.3s ease-out;
}