/* ===========================
   Luminous Dynamics Developer Portal
   Professional, Fast, Dark-Mode First
   =========================== */

/* CSS Variables */
:root {
    /* Colors - Dark Mode First */
    --bg-primary: #0a0b0d;
    --bg-secondary: #13161a;
    --bg-tertiary: #1a1e24;
    --bg-card: #1e2329;
    --bg-hover: #252b33;
    
    /* Text Colors */
    --text-primary: #e8eaed;
    --text-secondary: #a8b2c1;
    --text-muted: #6b7785;
    
    /* Accent Colors */
    --accent-primary: #00e5ff;
    --accent-secondary: #ffd740;
    --accent-success: #00c853;
    --accent-warning: #ff6d00;
    --accent-error: #ff1744;
    
    /* Brand Colors */
    --brand-luminous: #ffd740;
    --brand-electric: #00e5ff;
    --brand-sacred: #b388ff;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-electric: linear-gradient(135deg, #00e5ff 0%, #1e88e5 100%);
    --gradient-warm: linear-gradient(135deg, #ffd740 0%, #ff6d00 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Typography */
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(0,229,255,0.3);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

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

a:hover {
    color: var(--brand-electric);
}

code {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.25rem;
    border-radius: 4px;
    font-size: 0.875em;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 600;
}

.brand-icon {
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

.brand-text {
    color: var(--text-primary);
}

.brand-accent {
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

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

.github-icon {
    vertical-align: middle;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 229, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 215, 64, 0.1) 0%, transparent 50%),
        var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 60 60"><g fill="none" stroke="%23ffffff" stroke-width="0.1"><circle cx="30" cy="30" r="20"/></g></svg>');
    opacity: 0.02;
    animation: rotate 60s linear infinite;
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
    color: var(--text-primary);
}

.title-accent {
    display: block;
    background: var(--gradient-electric);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: var(--space-sm);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xxl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-xxl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-electric);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 229, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline:hover {
    background: rgba(0, 229, 255, 0.1);
}

/* Status Bar */
.status-bar {
    display: flex;
    gap: var(--space-xl);
    justify-content: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
}

.status-operational {
    color: var(--accent-success);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-label {
    opacity: 0.7;
}

.status-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Sections */
.section {
    padding: var(--space-xxl) 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-xxl);
}

/* Quick Start Grid */
.quickstart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.quickstart-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.quickstart-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 229, 255, 0.2);
}

.quickstart-card h3 {
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
}

.quickstart-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

/* Code Blocks */
.code-block {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.code-block pre {
    padding: var(--space-md);
    overflow-x: auto;
}

.code-block code {
    background: transparent;
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

.card-link {
    color: var(--accent-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-link:hover {
    transform: translateX(4px);
}

/* API Grid */
.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.api-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transition: all var(--transition-base);
}

.api-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 229, 255, 0.2);
}

.api-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.api-version {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.875rem;
}

.api-description {
    color: var(--text-secondary);
}

.api-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.feature {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.api-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.api-actions {
    display: flex;
    gap: var(--space-sm);
}

/* Playground */
.playground-container {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.playground-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tab {
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tab:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tab.active {
    background: var(--bg-card);
    color: var(--accent-primary);
    border-bottom: 2px solid var(--accent-primary);
}

.playground-content {
    padding: var(--space-xl);
}

.playground-editor,
.playground-output {
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.editor-header,
.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-copy {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-md);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.editor-body,
.output-body {
    padding: var(--space-lg);
    overflow-x: auto;
}

.editor-body pre,
.output-body pre {
    margin: 0;
}

.status-badge {
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.status-200 {
    background: rgba(0, 200, 83, 0.1);
    color: var(--accent-success);
}

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

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 229, 255, 0.2);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.tool-card h3 {
    margin-bottom: var(--space-sm);
}

.tool-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.tool-languages {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.lang {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: 0.875rem;
}

.code-snippet {
    background: var(--bg-primary);
    padding: var(--space-sm);
    border-radius: 4px;
    margin-bottom: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.tool-link {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Activity Feed */
.activity-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xl);
}

.activity-feed {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-xl);
}

.activity-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 1.25rem;
}

.activity-icon.commit {
    background: rgba(0, 229, 255, 0.1);
}

.activity-icon.release {
    background: rgba(255, 215, 64, 0.1);
}

.activity-icon.pr {
    background: rgba(179, 136, 255, 0.1);
}

.activity-icon.star {
    background: rgba(255, 215, 64, 0.1);
}

.activity-content {
    flex: 1;
}

.activity-title {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.activity-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.activity-stats {
    display: grid;
    grid-template-rows: repeat(3, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-lg);
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-primary);
}

/* Docs Grid */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.docs-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
    display: block;
    color: inherit;
}

.docs-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 229, 255, 0.2);
    color: inherit;
}

.docs-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.docs-card p {
    color: var(--text-secondary);
}

/* Footer */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-xxl) 0;
    margin-top: var(--space-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
}

.footer-meta {
    margin-top: var(--space-sm);
}

.footer-meta a {
    color: var(--accent-primary);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .nav-menu {
        gap: var(--space-md);
    }
    
    .activity-container {
        grid-template-columns: 1fr;
    }
    
    .api-stats {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }