/* Prompt Leaf - Digital Creativity Design System */
:root {
    /* Creative Dark Theme with Vibrant Accents */
    --primary: #1a1a2e;
    --primary-hover: #0f0f23;
    --accent: #00ffcc;
    --accent-secondary: #ff00ff;
    --accent-tertiary: #ffaa00;

    /* Background Layers */
    --background: #0a0a0f;
    --surface: #151520;
    --surface-hover: #1e1e2e;
    --surface-glass: rgba(30, 30, 46, 0.6);

    /* Text Hierarchy */
    --text-main: #ffffff;
    --text-secondary: #b8b8c8;
    --text-muted: #6b7280;
    --text-accent: #00ffcc;

    /* Borders & Dividers */
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.04);

    /* Radius System - More Organic */
    --radius-xs: 0.25rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.875rem;
    --radius-lg: 1.25rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;

    /* Shadow System - Glowing & Deep */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 204, 0.3);
    --shadow-accent: 0 0 30px rgba(255, 0, 255, 0.2);

    /* Typography - Distinctive Fonts */
    --font-display: 'Clash Display', 'Inter', system-ui, sans-serif;
    --font-body: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00ffcc 0%, #00ccaa 100%);
    --gradient-secondary: linear-gradient(135deg, #ff00ff 0%, #cc00cc 100%);
    --gradient-accent: linear-gradient(135deg, #ffaa00 0%, #ff6600 100%);
    --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f23 100%);
    --gradient-surface: linear-gradient(135deg, rgba(30, 30, 46, 0.8) 0%, rgba(21, 21, 32, 0.8) 100%);

    /* Animation Timing */
    --timing-fast: 0.15s;
    --timing-base: 0.3s;
    --timing-slow: 0.5s;
    --easing-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Effects */
    --glass-backdrop: blur(12px) saturate(180%);
    --noise-texture: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline-color: var(--accent);
}

body {
    font-family: var(--font-body);
    background: var(--gradient-bg);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--noise-texture);
    opacity: 0.03;
    pointer-events: none;
    z-index: 1;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60vh;
    background: radial-gradient(ellipse at top, rgba(0, 255, 204, 0.1) 0%, transparent 70%);
    pointer-events: none;
    z-index: 2;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.display-text {
    font-family: var(--font-display);
    font-weight: 700;
}

.body-text {
    font-family: var(--font-body);
}

.mono-text {
    font-family: var(--font-mono);
}

/* Layout */
.app-shell {
    display: flex;
    width: 100%;
    position: relative;
    z-index: 10;
}

/* Sidebar - Glass Morphism Design */
.sidebar {
    width: 280px;
    background: var(--glass-backdrop);
    background-color: var(--surface-glass);
    border-right: 1px solid var(--border);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 20;
    backdrop-filter: var(--glass-backdrop);
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 3rem;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    letter-spacing: -0.02em;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
    transition: all var(--timing-base) var(--easing-smooth);
}

.logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.4);
}

.logo img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1.25rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--timing-base) var(--easing-smooth);
    font-weight: 500;
    font-size: 0.95rem;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-item a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--timing-base) var(--easing-smooth);
    z-index: -1;
}

.nav-item a:hover {
    background-color: var(--surface-hover);
    color: var(--text-accent);
    border-color: var(--accent);
    transform: translateX(4px);
}

.nav-item a:hover::before {
    opacity: 0.1;
}

.nav-item a.active {
    background: var(--gradient-primary);
    color: #000;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    border-color: transparent;
}

.nav-item a.active i {
    color: #000;
}

.nav-item a i {
    width: 22px;
    height: 22px;
    stroke-width: 2px;
    transition: all var(--timing-base) var(--easing-smooth);
}

.nav-item a:hover i {
    transform: scale(1.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    width: calc(100% - 280px);
    position: relative;
    z-index: 5;
}

/* Header - Enhanced Search */
.header {
    background: var(--glass-backdrop);
    background-color: var(--surface-glass);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 2rem 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 15;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    backdrop-filter: var(--glass-backdrop);
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* Premium Search Container - AI Terminal Inspired */
.search-container {
    flex: 1;
    max-width: 900px;
    position: relative;
    margin: 0 auto;
}

.search-input {
    width: 100%;
    padding: 1.125rem 1.5rem 1.125rem 4rem;
    border: 2px solid transparent;
    background: var(--gradient-surface);
    border-radius: var(--radius-xl);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
    transition: all var(--timing-base) var(--easing-smooth);
    backdrop-filter: var(--glass-backdrop);
    position: relative;
    overflow: hidden;
}

.search-input::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary), var(--accent-tertiary));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0.8;
}

.search-input::placeholder {
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.7;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(30, 30, 46, 0.9);
    box-shadow:
        0 0 0 3px rgba(0, 255, 204, 0.1),
        var(--shadow-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.search-input:focus::before {
    height: 3px;
    opacity: 1;
    animation: glowPulse 2s ease-in-out infinite;
}

/* Enhanced Search Icon - Terminal Style */
.search-icon {
    position: absolute;
    left: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    width: 22px;
    height: 22px;
    stroke-width: 2.5px;
    transition: all var(--timing-base) var(--easing-smooth);
    filter: drop-shadow(0 0 8px rgba(0, 255, 204, 0.3));
}

.search-icon::before {
    content: '>';
    position: absolute;
    left: -1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--accent);
    animation: blink 2s infinite;
}

.search-input:focus ~ .search-icon {
    color: var(--accent);
    transform: translateY(-50%) scale(1.15);
    filter: drop-shadow(0 0 12px rgba(0, 255, 204, 0.6));
}

/* Search Commands Hint */
.search-container::after {
    content: 'Ctrl+K';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.375rem 0.75rem;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    pointer-events: none;
    opacity: 0.7;
    transition: all var(--timing-base) var(--easing-smooth);
}

.search-container.focused::after {
    opacity: 0.9;
    border-color: var(--accent);
    color: var(--accent);
}

/* Search Results Dropdown */
.search-results {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: var(--gradient-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: var(--glass-backdrop);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.search-results.active {
    display: block;
    animation: slideDown 0.3s var(--easing-smooth);
}

.search-result-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--timing-base) var(--easing-smooth);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-result-item:hover {
    background: rgba(0, 255, 204, 0.1);
    padding-left: 2rem;
}

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

.search-result-icon {
    width: 20px;
    height: 20px;
    color: var(--accent);
}

.search-result-title {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.search-result-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Search Loading State */
.search-loading {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-family: var(--font-body);
}

.search-loading::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--accent);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

/* Animations for Search */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes glowPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Filter Tags - Enhanced */
.filter-scroll {
    display: flex;
    gap: 0.875rem;
    overflow-x: auto;
    padding: 0.25rem 0 1rem 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    mask-image: linear-gradient(to right, black 95%, transparent 100%);
    position: relative;
}

.filter-scroll::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.3;
}

.filter-scroll::-webkit-scrollbar {
    display: none;
}

.filter-tag {
    white-space: nowrap;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(30, 30, 46, 0.4);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--timing-base) var(--easing-smooth);
    backdrop-filter: blur(4px);
    position: relative;
    overflow: hidden;
}

.filter-tag::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--timing-base) var(--easing-smooth);
    z-index: -1;
}

.filter-tag:hover {
    background: rgba(30, 30, 46, 0.6);
    color: var(--text-accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 204, 0.2);
}

.filter-tag:hover::before {
    opacity: 0.2;
}

.filter-tag.active {
    background: var(--gradient-primary);
    color: #000;
    border-color: transparent;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

/* Content Area - Enhanced Typography */
.content-area {
    padding: 2rem 2rem 3rem 2rem;
    width: 100%;
    position: relative;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    line-height: 1.6;
}

/* Grid - Enhanced */
.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    position: relative;
}

/* Prompt Card - Futuristic Design */
.prompt-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-surface);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border);
    cursor: pointer;
    height: 280px;
    display: flex;
    flex-direction: column;
    transition: all var(--timing-slow) var(--easing-smooth);
    transform-style: preserve-3d;
    perspective: 1000px;
}

.prompt-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(0, 255, 204, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity var(--timing-slow) var(--easing-smooth);
    z-index: 1;
}

.prompt-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary), var(--accent));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--timing-slow) var(--easing-smooth);
    z-index: 2;
}

.prompt-card:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow:
        var(--shadow-lg),
        0 0 40px rgba(0, 255, 204, 0.2),
        0 0 60px rgba(255, 0, 255, 0.1);
    border-color: var(--accent);
}

.prompt-card:hover::before {
    opacity: 1;
}

.prompt-card:hover::after {
    opacity: 0.6;
}

/* Type 1: Image Background Card - Enhanced */
.prompt-card.has-image .card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.prompt-card.has-image:hover .card-bg {
    transform: scale(1.05);
}

.prompt-card.has-image .card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    color: white;
}

/* Type 2: Solid/Gradient Card */
.prompt-card.no-image {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    /* Default gradient */
    padding: 1.5rem;
    color: white;
    justify-content: space-between;
}

/* Card Content */
.card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #000;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-content {
    z-index: 1;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    display: -webkit-box;
    gap: 1rem;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.search-container {
    flex: 1;
    max-width: 800px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 1px solid transparent;
    background-color: #f1f5f9;
    border-radius: 9999px;
    /* Pill shape */
    font-size: 0.95rem;
    transition: all 0.2s;
}

.search-input:focus {
    background-color: #ffffff;
    border-color: var(--border);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}

/* Filter Tags */
.filter-scroll {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
    /* Firefox */
    -ms-overflow-style: none;
    /* IE 10+ */
    mask-image: linear-gradient(to right, black 95%, transparent 100%);
}

.filter-scroll::-webkit-scrollbar {
    display: none;
    /* Chrome/Safari */
}

.filter-tag {
    white-space: nowrap;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background-color: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-tag:hover {
    background-color: var(--surface-hover);
    color: var(--text-main);
}

.filter-tag.active {
    background-color: #000;
    color: #fff;
}

/* Content Area */
.content-area {
    padding: 1.5rem 2rem;
    width: 100%;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.section-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Grid */
.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Prompt Card Modern */
.prompt-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    height: 220px;
    /* Fixed height for uniformity */
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
}

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

/* Type 1: Image Background Card */
.prompt-card.has-image .card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.prompt-card.has-image:hover .card-bg {
    transform: scale(1.05);
}

.prompt-card.has-image .card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    color: white;
}

/* Type 2: Solid/Gradient Card */
.prompt-card.no-image {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    /* Default gradient */
    padding: 1.5rem;
    color: white;
    justify-content: space-between;
}

/* Card Content */
.card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #000;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-content {
    z-index: 1;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: #000;
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-1px);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    display: none;
    /* Hidden on desktop by default */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    padding: 0.5rem 0 calc(0.5rem + env(safe-area-inset-bottom));
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    justify-content: space-around;
    align-items: center;
    max-width: 100%;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--text-muted);
    transition: all 0.2s ease;
    flex: 1;
    position: relative;
}

.mobile-nav-item i {
    width: 24px;
    height: 24px;
    stroke-width: 2px;
}

.mobile-nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

.mobile-nav-item.active {
    color: var(--text-main);
}

/* Central Add Button */
.mobile-nav-add {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    color: white !important;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    margin: -1.5rem 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-add:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.section-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Grid */
.prompt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Prompt Card Modern */
.prompt-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    height: 220px;
    /* Fixed height for uniformity */
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-light);
}

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

/* Type 1: Image Background Card */
.prompt-card.has-image .card-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.prompt-card.has-image:hover .card-bg {
    transform: scale(1.05);
}

.prompt-card.has-image .card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
    color: white;
}

/* Type 2: Solid/Gradient Card */
.prompt-card.no-image {
    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    /* Default gradient */
    padding: 1.5rem;
    color: white;
    justify-content: space-between;
}

/* Card Content */
.card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #000;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.card-content {
    z-index: 1;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: #000;
    color: white;
    width: 100%;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-1px);
}

/* Mobile Bottom Navigation */
.mobile-bottom-nav {
    display: none;
    /* Hidden on desktop by default */
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    padding: 0.5rem 0 calc(0.5rem + env(safe-area-inset-bottom));
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    justify-content: space-around;
    align-items: center;
    max-width: 100%;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    text-decoration: none;
    color: var(--text-muted);
    transition: all 0.2s ease;
    flex: 1;
    position: relative;
}

.mobile-nav-item i {
    width: 24px;
    height: 24px;
    stroke-width: 2px;
}

.mobile-nav-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

.mobile-nav-item.active {
    color: var(--text-main);
}

/* Central Add Button */
.mobile-nav-add {
    background: linear-gradient(135deg, #000 0%, #333 100%);
    color: white !important;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    margin: -1.5rem 0.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-add:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.mobile-nav-add i {
    width: 32px;
    height: 32px;
    stroke-width: 2.5px;
}

/* Enhanced Mobile Responsive Design */
@media (max-width: 1024px) {
    .prompt-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .content-area {
        padding: 1.5rem 1.5rem 2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .mobile-bottom-nav {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--timing-base) var(--easing-smooth);
        width: 100%;
        max-width: 320px;
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(0, 255, 204, 0.2);
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding-bottom: 100px; /* Space for bottom nav */
    }

    /* Header Adjustments */
    .header {
        padding: 1rem;
        backdrop-filter: blur(16px);
    }

    .search-container {
        max-width: 100%;
    }

    .search-input {
        padding: 0.875rem 1rem 0.875rem 3rem;
        font-size: 0.95rem;
    }

    /* Content Area */
    .content-area {
        padding: 1.5rem 1rem 2rem 1rem;
    }

    .section-title {
        font-size: 1.875rem;
        margin-bottom: 0.5rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    /* Grid - Single Column Mobile */
    .prompt-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .prompt-card {
        height: 240px;
    }

    .prompt-card:hover {
        transform: translateY(-4px);
    }

    .card-title {
        font-size: 1.25rem;
    }

    .card-desc {
        font-size: 0.875rem;
        -webkit-line-clamp: 2;
    }

    /* Filter Tags Mobile */
    .filter-scroll {
        gap: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .filter-tag {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    /* Enhanced Loading State */
    .htmx-indicator {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
        grid-column: 1 / -1;
        justify-content: center;
    }

    /* Mobile Menu Enhancements */
    .mobile-menu-modal {
        backdrop-filter: blur(12px);
    }

    .mobile-menu-content {
        padding: 1.5rem 1rem;
        border-top-left-radius: var(--radius-xl);
        border-top-right-radius: var(--radius-xl);
        background: var(--gradient-surface);
        backdrop-filter: var(--glass-backdrop);
    }

    .mobile-icon-grid {
        gap: 1rem;
    }

    .mobile-icon-item {
        gap: 0.375rem;
    }

    .mobile-icon-item i {
        width: 24px;
        height: 24px;
    }

    .mobile-icon-item span {
        font-size: 0.75rem;
    }

    /* Mobile Bottom Navigation Enhancements */
    .mobile-bottom-nav {
        backdrop-filter: blur(16px);
        background: var(--surface-glass);
        padding: 0.5rem 0 calc(0.5rem + env(safe-area-inset-bottom));
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    }

    .mobile-nav-item {
        padding: 0.375rem 0.5rem;
    }

    .mobile-nav-item i {
        width: 20px;
        height: 20px;
    }

    .mobile-nav-item span {
        font-size: 0.65rem;
    }

    .mobile-nav-add {
        width: 48px;
        height: 48px;
        margin: -1rem 0.375rem 0;
        box-shadow: 0 4px 16px rgba(0, 255, 204, 0.4);
    }

    .mobile-nav-add i {
        width: 24px;
        height: 24px;
    }

    /* Touch Optimizations */
    .btn-primary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        min-height: 48px; /* Touch target */
    }

    .nav-item a {
        padding: 1rem;
        min-height: 48px; /* Touch target */
    }

    .filter-tag {
        min-height: 40px; /* Touch target */
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Card Touch Optimizations */
    .card-badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.7rem;
        top: 1rem;
        left: 1rem;
    }

    /* Safe Area Support */
    @supports (padding: max(0px)) {
        .mobile-bottom-nav {
            padding-left: max(0.5rem, env(safe-area-inset-left));
            padding-right: max(0.5rem, env(safe-area-inset-right));
        }

        .sidebar {
            padding-left: max(1.5rem, env(safe-area-inset-left));
            padding-right: max(1.5rem, env(safe-area-inset-right));
        }
    }
}

@media (max-width: 480px) {
    /* Small Mobile Optimizations */
    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .content-area {
        padding: 1rem 0.75rem 1.5rem 0.75rem;
    }

    .prompt-card {
        height: 220px;
        border-radius: var(--radius-lg);
    }

    .card-title {
        font-size: 1.125rem;
    }

    .card-desc {
        font-size: 0.8rem;
    }

    .filter-tag {
        padding: 0.4375rem 0.875rem;
        font-size: 0.75rem;
    }

    .mobile-icon-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
}

/* Sidebar Icon Grid */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0 0.5rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.icon-btn:hover {
    background-color: var(--surface-hover);
    color: var(--text-main);
}

.icon-btn i {
    width: 20px;
    height: 20px;
}

/* Tooltip */
.icon-btn[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.5rem;
    background-color: #000;
    color: #fff;
    font-size: 0.75rem;
    border-radius: 4px;
    white-space: nowrap;
    margin-bottom: 0.5rem;
    z-index: 50;
    pointer-events: none;
}

/* Mobile Menu Modal */
.mobile-menu-modal {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 200;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-modal.open {
    display: flex;
    opacity: 1;
}

.mobile-menu-content {
    background-color: var(--surface);
    width: 100%;
    padding: 2rem 1rem;
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu-modal.open .mobile-menu-content {
    transform: translateY(0);
}

.mobile-grid-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-main);
}

.mobile-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    justify-items: center;
}

.mobile-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
}

.mobile-icon-item i {
    width: 28px;
    height: 28px;
}

.mobile-icon-item span {
    font-size: 0.8rem;
}

/* Enhanced Animations & Microinteractions */

/* Page Load Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes glow {
    0%, 100% { box-shadow: var(--shadow-glow); }
    50% { box-shadow: 0 0 40px rgba(0, 255, 204, 0.6); }
}

/* Staggered Animation for Cards */
.prompt-card {
    animation: fadeInUp 0.6s var(--easing-smooth) forwards;
    opacity: 0;
}

.prompt-card:nth-child(1) { animation-delay: 0.1s; }
.prompt-card:nth-child(2) { animation-delay: 0.2s; }
.prompt-card:nth-child(3) { animation-delay: 0.3s; }
.prompt-card:nth-child(4) { animation-delay: 0.4s; }
.prompt-card:nth-child(5) { animation-delay: 0.5s; }
.prompt-card:nth-child(6) { animation-delay: 0.6s; }

/* Enhanced Button Interactions */
.btn-primary {
    position: relative;
    overflow: hidden;
    transition: all var(--timing-base) var(--easing-smooth);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--timing-slow) var(--easing-smooth),
                height var(--timing-slow) var(--easing-smooth);
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 255, 204, 0.4);
    background: linear-gradient(135deg, #00ccaa 0%, #00ffcc 100%);
}

/* Search Input Focus Animation */
.search-input {
    position: relative;
}

.search-input:focus {
    animation: glow 2s ease-in-out infinite;
}

/* Interactive Icon Buttons */
.icon-btn {
    position: relative;
    overflow: hidden;
}

.icon-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--timing-base) var(--easing-smooth);
    z-index: -1;
}

.icon-btn:hover::before {
    opacity: 0.2;
}

.icon-btn:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 255, 204, 0.3);
}

/* Loading Animation */
.htmx-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--gradient-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--accent);
    color: var(--text-accent);
    font-family: var(--font-body);
    font-weight: 500;
    animation: pulse 1.5s ease-in-out infinite;
}

.htmx-indicator::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Enhanced Selection */
::selection {
    background: var(--accent);
    color: #000;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Mobile Menu Animations */
.mobile-menu-modal {
    backdrop-filter: blur(8px);
}

.mobile-menu-content {
    transform-origin: bottom;
}

/* Enhanced Mobile Navigation */
.mobile-nav-item {
    position: relative;
    overflow: hidden;
}

.mobile-nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--timing-base) var(--easing-smooth);
    z-index: -1;
}

.mobile-nav-item:hover::before {
    opacity: 0.2;
}

.mobile-nav-item:hover {
    transform: translateY(-2px);
}

.mobile-nav-add {
    position: relative;
    overflow: hidden;
}

.mobile-nav-add::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity var(--timing-base) var(--easing-smooth);
}

.mobile-nav-add:hover::before {
    opacity: 1;
}