/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy: #1F3A5F;
    --navy-dark: #1A2744;
    --gold: #C5973B;
    --gold-hover: #D4A84B;
    --bg: #FAF9F6;
    --text: #2D3436;
    --text-light: #556270;
    --sidebar-bg: #1A2744;
    --sidebar-text: #cdd5de;
    --sidebar-hover: rgba(197, 151, 59, 0.15);
    --border: #e8e0d0;
    --code-bg: #f4f1eb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: 0;
    overflow-y: auto;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header a {
    color: #fff;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.nav-section {
    padding: 16px 0 8px 0;
}

.nav-section h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold);
    padding: 0 20px 8px 20px;
    font-weight: 600;
}

.nav-section ul {
    list-style: none;
}

.nav-section li a {
    display: block;
    padding: 6px 20px 6px 24px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.85rem;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}

.nav-section li a:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.nav-section li a.active {
    background: var(--sidebar-hover);
    color: var(--gold);
    border-left-color: var(--gold);
    font-weight: 600;
}

/* Content */
.content {
    flex: 1;
    margin-left: 280px;
    padding: 40px 60px;
    max-width: 900px;
}

/* Typography */
.content h1 {
    font-size: 2rem;
    color: var(--navy);
    margin-bottom: 8px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gold);
    line-height: 1.3;
}

.content h2 {
    font-size: 1.4rem;
    color: var(--navy);
    margin-top: 36px;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

.content h3 {
    font-size: 1.15rem;
    color: var(--navy-dark);
    margin-top: 28px;
    margin-bottom: 8px;
}

.content h4 {
    font-size: 1rem;
    color: var(--text);
    margin-top: 20px;
    margin-bottom: 6px;
}

.content p {
    margin-bottom: 14px;
}

.content a {
    color: var(--gold);
    text-decoration: underline;
    text-decoration-color: rgba(197, 151, 59, 0.4);
    text-underline-offset: 2px;
}

.content a:hover {
    color: var(--gold-hover);
    text-decoration-color: var(--gold-hover);
}

/* Lists */
.content ul, .content ol {
    margin-bottom: 14px;
    padding-left: 24px;
}

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

.content li > ul, .content li > ol {
    margin-top: 4px;
    margin-bottom: 4px;
}

/* Tables */
.content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.content th {
    background: var(--navy);
    color: #fff;
    text-align: left;
    padding: 10px 14px;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.content td {
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
}

.content tr:hover td {
    background: rgba(197, 151, 59, 0.05);
}

/* Code */
.content code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.88em;
    font-family: "SF Mono", "Fira Code", Menlo, monospace;
}

.content pre {
    background: var(--navy-dark);
    color: #e8e8e8;
    padding: 16px 20px;
    border-radius: 6px;
    overflow-x: auto;
    margin-bottom: 20px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.content pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Blockquotes */
.content blockquote {
    border-left: 4px solid var(--gold);
    background: rgba(197, 151, 59, 0.06);
    padding: 12px 20px;
    margin: 0 0 16px 0;
    border-radius: 0 4px 4px 0;
}

.content blockquote p:last-child {
    margin-bottom: 0;
}

/* Horizontal rules */
.content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

/* Strong/Bold */
.content strong {
    color: var(--navy-dark);
}

/* Images */
.content img {
    max-width: 100%;
    border-radius: 6px;
}

/* Menu toggle (mobile) */
.menu-toggle {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 200;
    background: var(--navy);
    color: #fff;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 1.2rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        padding: 60px 20px 40px 20px;
    }

    .menu-toggle {
        display: block;
    }
}

/* Homepage specific */
.home-header {
    margin-bottom: 32px;
}

.home-header h1 {
    border-bottom: none;
    margin-bottom: 4px;
}

.home-header .subtitle {
    color: var(--text-light);
    font-size: 1rem;
}

.category-section {
    margin-bottom: 32px;
}

.category-section h2 {
    font-size: 1.1rem;
    margin-top: 0;
}

.doc-list {
    list-style: none;
    padding: 0;
}

.doc-list li {
    margin-bottom: 0;
}

.doc-list a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--text);
    border-left: 3px solid transparent;
    transition: all 0.15s;
}

.doc-list a:hover {
    background: rgba(197, 151, 59, 0.06);
    border-left-color: var(--gold);
    color: var(--navy);
}

.doc-list .desc {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 2px;
}