:root {
    /* Color Palette - Dark Mode Default */
    --bg-base: #0f1115;
    --bg-surface: rgba(25, 28, 35, 0.6);
    --bg-surface-hover: rgba(35, 39, 48, 0.8);
    
    --text-primary: #f0f2f8;
    --text-secondary: #9ba3af;
    --text-muted: #6b7280;
    
    --accent-primary: #6366f1; /* Indigo */
    --accent-secondary: #ec4899; /* Pink */
    --accent-tertiary: #14b8a6; /* Teal */
    
    --border-light: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, monospace;
    
    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

/* Typography elements */
h1, h2, h3, h4 {
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-secondary);
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--accent-secondary) 0%, transparent 70%);
    animation-delay: -5s;
}

.orb-3 {
    top: 40%;
    left: 40%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, var(--accent-tertiary) 0%, transparent 70%);
    opacity: 0.2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(5%, 10%) scale(1.1); }
    100% { transform: translate(-5%, 5%) scale(0.9); }
}

/* Layout Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(15, 17, 21, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    z-index: 100;
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active-nav {
    color: var(--text-primary);
}

.nav-links a.active-nav {
    color: var(--accent-primary);
}

.nav-github {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    transition: color 0.2s ease, transform 0.2s ease;
}

.nav-github:hover {
    color: var(--text-primary);
    transform: scale(1.1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    gap: 4rem;
    padding-top: calc(var(--nav-height) + 2rem);
    padding-bottom: 4rem;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientFlow 5s linear infinite;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.install-card {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    gap: 1rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--text-secondary);
    color: var(--bg-base);
    transform: translateY(-2px);
}

/* Code Window */
.hero-visual {
    flex: 1;
    min-width: 0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.code-window .window-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-light);
}

.window-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.window-dot.red { background: #ff5f56; }
.window-dot.yellow { background: #ffbd2e; }
.window-dot.green { background: #27c93f; }

.window-title {
    margin-left: 1rem;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.code-window pre {
    padding: 1.5rem;
    margin: 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: #e2e8f0;
}

/* Code Syntax highlighting (basic) */
.language-python {
    display: block;
}
.code-window pre code {
    line-height: 1.5;
}

/* Sections General */
section {
    padding: 6rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* Gestures Section */
.gesture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.gesture-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.gesture-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-highlight);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.gesture-image-container {
    height: 180px;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 1rem;
}

.gesture-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
    border-radius: 8px;
}

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

.gesture-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
}

.gesture-info h3 {
    margin: 0;
    font-size: 1.2rem;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rule-badge {
    background: rgba(20, 184, 166, 0.1);
    color: var(--accent-tertiary);
    border: 1px solid rgba(20, 184, 166, 0.2);
}

.ml-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.special-card .gesture-icon-placeholder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: rgba(0, 0, 0, 0.3);
}

.tiny-desc {
    font-size: 0.85rem;
    margin: 0;
    margin-top: 0.5rem;
}

/* Tabs / Examples */
.tabs-container {
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-light);
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 1.25rem 2rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.tabs-content {
    padding: 2rem;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.pane-description {
    margin-bottom: 1.5rem;
}

.pane-description p {
    font-size: 1.1rem;
    margin: 0;
}

/* API Section */
.api-card {
    overflow: hidden;
}

.api-header {
    padding: 1.5rem 2rem;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-light);
}

.api-header h3 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.type-hint {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: normal;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.api-table-container {
    overflow-x: auto;
}

.api-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.api-table th, .api-table td {
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border-light);
}

.api-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.api-table tr:last-child td {
    border-bottom: none;
}

.api-table td code {
    font-family: var(--font-mono);
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.3);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

.type-badge {
    font-family: var(--font-mono);
    color: var(--accent-secondary);
    font-size: 0.85rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-light);
    padding: 3rem 0;
    margin-top: 4rem;
    background: rgba(15, 17, 21, 0.8);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-left p {
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

.footer-right {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

/* -------------------------------------
   Search Gestures Page Additions
   ------------------------------------- */

.page-padding {
    padding-top: calc(var(--nav-height) + 4rem);
    min-height: calc(100vh - 120px);
}

.search-section {
    max-width: 1000px;
}

.search-container {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    margin-bottom: 3rem;
    gap: 1rem;
    transition: border-color 0.3s ease;
}

.search-container:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.search-icon {
    color: var(--text-muted);
}

.search-container input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    outline: none;
}

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

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    margin-top: 2rem;
    border: 1px dashed var(--border-highlight);
}

.no-results h3 {
    margin-bottom: 0.5rem;
}

.no-results p {
    margin: 0;
}

.hidden {
    display: none !important;
}

/* Override Prism.js background to blend with glass panel */
pre[class*="language-"] {
    background: transparent !important;
    margin: 0 !important;
    padding: 1.5rem !important;
    border: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
}

code[class*="language-"] {
    text-shadow: none !important;
    background: transparent !important;
    font-family: var(--font-mono) !important;
    font-size: 0.9rem !important;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 101;
    padding: 0.5rem;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
        padding-top: calc(var(--nav-height) + 4rem);
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-visual {
        width: 100%;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 600px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(15, 17, 21, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.3s ease;
        z-index: 100;
        gap: 3rem;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .install-card {
        width: 100%;
        justify-content: space-between;
    }
    
    .btn {
        width: 100%;
    }
    
    .api-table th, .api-table td {
        padding: 1rem;
    }
}