/* ============================================
   Shades By Jay - Modern UI Library
   ============================================ */

/* CSS Variables */
:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #f472b6;
    --accent: #22d3ee;
    --bg-primary: #09090b;
    --bg-secondary: #18181b;
    --bg-card: #1f1f23;
    --bg-elevated: #27272a;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --gradient-1: linear-gradient(135deg, #8b5cf6 0%, #f472b6 50%, #22d3ee 100%);
    --gradient-2: linear-gradient(135deg, #22d3ee 0%, #8b5cf6 100%);
    --gradient-3: linear-gradient(180deg, rgba(139, 92, 246, 0.15) 0%, transparent 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    --shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    --radius: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-elevated: #f4f4f5;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --border-color: rgba(0, 0, 0, 0.06);
    --border-hover: rgba(0, 0, 0, 0.12);
    --shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px -8px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.15);
    --gradient-3: linear-gradient(180deg, rgba(139, 92, 246, 0.08) 0%, transparent 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'SF Pro Display', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    padding: 0.875rem 0;
}

[data-theme="light"] .navbar {
    background: rgba(250, 250, 250, 0.85);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    transition: var(--transition);
    flex-shrink: 0;
}

.logo:hover {
    opacity: 0.8;
}

.logo i {
    font-size: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    background: var(--bg-card);
    padding: 0.2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-link {
    padding: 0.4rem 0.6rem;
    border-radius: calc(var(--radius) - 4px);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.8rem;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.search-box input {
    width: 160px;
    padding: 0.6rem 0.75rem 0.6rem 2.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.8rem;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-elevated);
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.theme-toggle {
    width: 34px;
    height: 34px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
    font-size: 0.85rem;
}

.theme-toggle:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    padding: 10rem 2rem 5rem;
    text-align: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1200px;
    height: 600px;
    background: var(--gradient-glow);
    pointer-events: none;
    animation: pulse-glow 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to top, var(--bg-primary), transparent);
    pointer-events: none;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
    50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    text-align: center;
    position: relative;
}

.stat:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

/* ============================================
   Tags Section
   ============================================ */
.tags-section {
    padding: 1.5rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 65px;
    z-index: 100;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.tags-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tag {
    padding: 0.5rem 1.25rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

.tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

/* ============================================
   Components Grid
   ============================================ */
.components-section {
    padding: 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.75rem;
}

/* ============================================
   Component Card
   ============================================ */
.component-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.component-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg, transparent, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    transition: var(--transition);
}

.component-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.component-card:hover::before {
    background: var(--gradient-1);
}

.card-preview {
    position: relative;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    padding: 2rem;
    overflow: hidden;
}

.component-card[data-category="cards"] .card-preview {
    height: 480px;
}

.component-card[data-category="forms"] .card-preview {
    height: 500px;
}

.component-card[data-category="retro"] .card-preview {
    height: 350px;
}

.component-card[data-category="loaders"] .card-preview {
    height: 180px;
}

.card-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at center, transparent 0%, var(--bg-secondary) 100%),
        linear-gradient(90deg, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%),
        linear-gradient(0deg, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%);
    background-size: 100% 100%, 24px 24px, 24px 24px;
    opacity: 0.4;
}

.card-preview > * {
    position: relative;
    z-index: 1;
}

.card-info {
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
}

.card-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.card-info .category {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.card-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.card-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.codepen-btn:hover {
    background: #1e1e1e; /* CodePen black */
    border-color: #fff;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.get-code-btn {
    padding: 0 1.25rem;
    width: auto;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transform: scale(0.95) translateY(20px);
    transition: var(--transition-slow);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-elevated);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.modal-preview {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.modal-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at center, transparent 0%, var(--bg-secondary) 100%),
        linear-gradient(90deg, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%),
        linear-gradient(0deg, transparent 49.5%, var(--border-color) 49.5%, var(--border-color) 50.5%, transparent 50.5%);
    background-size: 100% 100%, 24px 24px, 24px 24px;
    opacity: 0.4;
}

.modal-preview > * {
    position: relative;
    z-index: 1;
}

.code-tabs {
    display: flex;
    padding: 0.75rem 1.5rem;
    gap: 0.5rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
}

.code-tab {
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.code-tab:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.code-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.code-container {
    max-height: 300px;
    overflow-y: auto;
}

.code-block {
    display: none;
}

.code-block.active {
    display: block;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
}

.code-header span {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--primary);
    border-radius: var(--radius);
    color: white;
    font-weight: 600;
    font-size: 0.8rem;
    transition: var(--transition);
    border: 1px solid var(--primary);
}

.copy-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.copy-btn.copied {
    background: var(--success);
    border-color: var(--success);
}

.code-block pre {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
    background: var(--bg-primary);
}

.code-block code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8rem;
    line-height: 1.7;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ============================================
   Toast Notification
   ============================================ */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    color: var(--success);
    border: 1px solid var(--success);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.2);
    z-index: 3000;
    opacity: 0;
    transition: var(--transition);
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast i {
    font-size: 1.25rem;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 2rem 2rem;
    margin-top: 6rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 1px;
    background: var(--gradient-1);
    opacity: 0.5;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 5rem;
}

.footer-brand .logo {
    margin-bottom: 1.25rem;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.footer-column h4 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    padding: 0.4rem 0;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary);
    transform: translateX(4px);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2.5rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}


/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat:not(:last-child)::after {
        right: -1rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 8rem 1.5rem 4rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
        padding: 1.5rem;
    }
    
    .stat:not(:last-child)::after {
        display: none;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .components-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        padding: 1rem;
    }
    
    .tags-section {
        top: 60px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .tags-section {
        display: none;
    }
    
    .hero {
        padding: 7rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-box {
        display: none;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .components-section {
        padding: 2rem 1rem;
    }
    
    .components-grid {
        gap: 1.25rem;
    }
}

/* ============================================
   Scrollbar Styles
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}

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

/* ============================================
   Animation Utilities
   ============================================ */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-bounce {
    animation: bounce 1s ease-in-out infinite;
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease-out forwards;
}

/* ============================================
   Selection Styles
   ============================================ */
::selection {
    background: rgba(139, 92, 246, 0.3);
    color: var(--text-primary);
}

/* ============================================
   Focus Styles
   ============================================ */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}