/* MirrorDNA Documentation - Shared Styles */
/* Version 1.0 - Dark theme, minimal, glyph motif */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-card: #16161e;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
    --glyph-color: #6366f1;
    --max-width: 900px;
    --nav-height: 64px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(168, 85, 247, 0.06) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 2rem;
}

.nav-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-logo-glyph {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-text {
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.nav-links a.active {
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main content */
main {
    padding-top: calc(var(--nav-height) + 3rem);
    padding-bottom: 6rem;
    min-height: 100vh;
}

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

.container-wide {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

h2:first-of-type {
    margin-top: 2rem;
    border-top: none;
    padding-top: 0;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.subtitle {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

strong {
    color: var(--text-primary);
}

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

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

/* Lists */
ul,
ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

li strong {
    color: var(--text-primary);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.card h4 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Principle cards */
.principle {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.principle-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.principle-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.principle-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.principle-def {
    color: var(--text-primary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.principle-why,
.principle-how {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.principle-why strong,
.principle-how strong {
    color: var(--text-muted);
    font-weight: 500;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9rem;
}

th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-medium);
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Code */
code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    background: var(--bg-tertiary);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--accent-primary);
}

pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

pre code {
    background: none;
    padding: 0;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
    margin: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '⟡';
    position: absolute;
    left: -2.35rem;
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.timeline-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.timeline-title {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0.25rem 0;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Glyph showcase */
.glyph-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.glyph-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.glyph-symbol {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glyph-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.glyph-meaning {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Status badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-danger);
}

.badge-info {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

/* PR list */
.pr-list {
    margin: 1.5rem 0;
}

.pr-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.pr-icon {
    color: var(--accent-success);
    font-size: 1.25rem;
}

.pr-content {
    flex: 1;
}

.pr-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.pr-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Hero section */
.hero {
    text-align: center;
    padding: 3rem 0 4rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero .lead {
    max-width: 650px;
    margin: 0 auto 2rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-glyph {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-subtle);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-mobile-toggle {
        display: block;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .container {
        padding: 0 1.25rem;
    }
}

/* Anchor links */
h2[id],
h3[id] {
    scroll-margin-top: calc(var(--nav-height) + 2rem);
}

/* Callouts */
.callout {
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid;
}

.callout-info {
    background: rgba(99, 102, 241, 0.08);
    border-color: var(--accent-primary);
}

.callout-warning {
    background: rgba(245, 158, 11, 0.08);
    border-color: var(--accent-warning);
}

.callout-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: var(--accent-success);
}

.callout p {
    margin: 0;
}

/* Architecture diagram placeholder */
.diagram {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.diagram img {
    max-width: 100%;
    height: auto;
}