/* Lowkey Documentation - CSS */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-code: #0d1117;
    --color-primary: #4a9eff;
    --color-primary-dim: #3a7acc;
    --color-text: #e6e6e6;
    --color-text-muted: #888888;
    --color-text-dim: #666666;
    --color-border: #2a2a2a;
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-error: #f85149;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    --sidebar-width: 280px;
    --header-height: 64px;
    --content-max-width: 900px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text);
}

.header-brand svg,
.header-brand img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.header-brand h1 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1;
    display: flex;
    align-items: center;
    margin: 0;
}

.header-brand span {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-left: 8px;
}

.header-nav {
    margin-left: auto;
    display: flex;
    gap: 24px;
}

.header-nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.header-nav a:hover {
    color: var(--color-primary);
}

/* Layout */
.layout {
    display: flex;
    padding-top: var(--header-height);
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    padding: 24px 0;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-dim);
    padding: 0 24px;
    margin-bottom: 8px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav a {
    display: block;
    padding: 8px 24px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

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

.sidebar-nav a.active {
    color: var(--color-primary);
    background: rgba(74, 158, 255, 0.1);
    border-left-color: var(--color-primary);
}

.sidebar-nav .sub-item {
    padding-left: 40px;
    font-size: 13px;
}

/* Main Content */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 48px;
    max-width: calc(var(--content-max-width) + var(--sidebar-width) + 96px);
}

.content {
    max-width: var(--content-max-width);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 16px;
}

h1 {
    font-size: 36px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

h2 {
    font-size: 24px;
    margin-top: 48px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

h3 {
    font-size: 20px;
    margin-top: 32px;
}

h4 {
    font-size: 16px;
    margin-top: 24px;
}

p {
    margin-bottom: 16px;
    color: var(--color-text);
}

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

a:hover {
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

li {
    margin-bottom: 8px;
}

/* Code */
code {
    font-family: var(--font-mono);
    font-size: 14px;
    background: var(--bg-code);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-primary);
}

pre {
    background: var(--bg-code);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 24px;
}

pre code {
    background: none;
    padding: 0;
    color: var(--color-text);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
}

th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--color-text);
}

td {
    background: var(--bg-secondary);
}

tr:hover td {
    background: var(--bg-tertiary);
}

/* Blockquotes */
blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
    margin: 16px 0;
    color: var(--color-text-muted);
    font-style: italic;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s;
}

.card:hover {
    border-color: var(--color-primary-dim);
    transform: translateY(-2px);
}

.card h3 {
    margin-top: 0;
    font-size: 18px;
}

.card p {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 0;
}

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

.card a:hover {
    text-decoration: none;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--color-text-muted);
}

.badge-primary {
    background: rgba(74, 158, 255, 0.2);
    color: var(--color-primary);
}

.badge-success {
    background: rgba(63, 185, 80, 0.2);
    color: var(--color-success);
}

.badge-warning {
    background: rgba(210, 153, 34, 0.2);
    color: var(--color-warning);
}

/* Diagrams */
.diagram {
    background: var(--bg-code);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 24px;
    margin: 24px 0;
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre;
}

/* Version badge */
.version {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 24px;
}

.version-number {
    color: var(--color-primary);
    font-weight: 600;
}

/* Hero section */
.hero {
    margin-bottom: 48px;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-muted);
    max-width: 600px;
}

/* Quick links */
.quick-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-size: 14px;
    transition: all 0.2s;
}

.quick-link:hover {
    border-color: var(--color-primary);
    text-decoration: none;
}

/* TOC */
.toc {
    background: var(--bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.toc h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.toc ul {
    margin: 0;
    padding-left: 20px;
}

.toc li {
    margin-bottom: 4px;
}

.toc a {
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }

    .main {
        margin-left: 0;
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 14px;
}

.footer a {
    color: var(--color-text-muted);
}

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