/* ============================================================
   DOCS — sun documentation page
   Theme: Terminal HUD (matches landing.css identity)
   Variables shared with landing.css
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

:root {
    --bg:           #000000;
    --surface:      #080808;
    --surface-2:    #0f0f0f;
    --border:       rgba(0,255,65,0.14);
    --border-dim:   rgba(255,255,255,0.07);
    --text:         #e8ffe8;
    --text-dim:     rgba(232,255,232,0.55);
    --text-off:     rgba(232,255,232,0.3);
    --green:        #00FF41;
    --amber:        #ffb000;
    --cyan:         #49e2ff;
    --font-sans:    'Space Grotesk', system-ui, sans-serif;
    --font-mono:    'IBM Plex Mono', 'Courier New', monospace;
    --sidebar-w:    260px;
    --topbar-h:     52px;
    --content-max:  760px;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.7;
    height: 100%;
}

/* ── Top bar ──────────────────────────────────────────────── */
.docs-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    z-index: 100;
}

.docs-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    flex-shrink: 0;
}

.brand-pulse {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--green); }
    50%       { opacity: 0.4; box-shadow: none; }
}

.docs-topbar-title {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--text-off);
    text-transform: uppercase;
    flex-shrink: 0;
}

.docs-topbar-links {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 12px;
}

.docs-topbar-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    letter-spacing: 0.06em;
    transition: color 0.2s;
}

.docs-topbar-links a:hover { color: var(--text); }

.docs-btn {
    border: 1px solid var(--amber) !important;
    color: var(--amber) !important;
    padding: 5px 14px;
    font-size: 11px !important;
}

.docs-btn:hover {
    background: rgba(255,176,0,0.08);
}

.docs-menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-dim);
    color: var(--text-dim);
    padding: 4px 10px;
    font-size: 14px;
    cursor: pointer;
    margin-left: auto;
}

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

/* ── Sidebar ──────────────────────────────────────────────── */
.docs-sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    position: sticky;
    top: var(--topbar-h);
    height: calc(100vh - var(--topbar-h));
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border); }

.docs-sidebar-inner {
    padding: 32px 0 48px;
}

.docs-sidebar-label {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.24em;
    color: var(--text-off);
    padding: 0 24px;
    margin-bottom: 16px;
}

.docs-nav {
    display: flex;
    flex-direction: column;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    text-decoration: none;
    padding: 6px 24px;
    border-left: 2px solid transparent;
    letter-spacing: 0.04em;
    line-height: 1.4;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    display: block;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(0,255,65,0.03);
}

.nav-link-active {
    color: var(--green);
    border-left-color: var(--green);
    background: rgba(0,255,65,0.04);
}

/* Indent levels */
.nav-h1 {
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    padding-top: 14px;
    padding-bottom: 6px;
}

.nav-h2 {
    padding-left: 32px;
}

.nav-h3 {
    padding-left: 44px;
    font-size: 10px;
    color: var(--text-off);
}

/* ── Main content ─────────────────────────────────────────── */
.docs-content {
    flex: 1;
    min-width: 0;
    padding: 56px 64px 120px;
    max-width: calc(var(--content-max) + 128px);
}

/* ── Markdown typography ──────────────────────────────────── */
.docs-content h1 {
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
    margin: 0 0 8px;
    line-height: 1.15;
    padding-top: 24px;
}

.docs-content h1:first-child { padding-top: 0; }

.docs-content h2 {
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 700;
    color: var(--text);
    margin: 56px 0 16px;
    padding-top: 56px;
    border-top: 1px solid var(--border);
    letter-spacing: 0.01em;
    line-height: 1.25;
}

.docs-content h3 {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--amber);
    margin: 36px 0 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.docs-content h4 {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 28px 0 10px;
}

.docs-content p {
    color: var(--text-dim);
    line-height: 1.85;
    margin: 0 0 20px;
    max-width: 68ch;
}

.docs-content strong {
    color: var(--text);
    font-weight: 600;
}

.docs-content em {
    color: var(--text-dim);
    font-style: italic;
}

.docs-content a {
    color: var(--green);
    text-decoration: none;
    border-bottom: 1px solid rgba(0,255,65,0.3);
    transition: border-color 0.2s;
}

.docs-content a:hover {
    border-bottom-color: var(--green);
}

/* Inline code */
.docs-content code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text);
    background: rgba(0,255,65,0.07);
    border: 1px solid rgba(0,255,65,0.15);
    padding: 1px 6px;
    border-radius: 2px;
}

/* Code blocks */
.docs-content pre {
    background: #040404;
    border: 1px solid var(--border);
    border-left: 3px solid var(--green);
    padding: 20px 24px;
    margin: 24px 0;
    overflow-x: auto;
    position: relative;
}

.docs-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 12px;
    color: var(--text);
    line-height: 1.8;
}

/* Bash prompt styling */
.docs-content pre code .line-prompt::before {
    content: '$ ';
    color: var(--text-off);
}

/* Lists */
.docs-content ul,
.docs-content ol {
    padding-left: 20px;
    margin: 0 0 20px;
}

.docs-content li {
    color: var(--text-dim);
    line-height: 1.85;
    margin-bottom: 6px;
    max-width: 68ch;
}

.docs-content ul li::marker {
    color: var(--green);
    content: '›  ';
}

.docs-content ol li::marker {
    color: var(--amber);
    font-family: var(--font-mono);
    font-size: 12px;
}

/* Blockquote */
.docs-content blockquote {
    border-left: 3px solid var(--amber);
    padding: 12px 20px;
    margin: 24px 0;
    background: rgba(255,176,0,0.03);
}

.docs-content blockquote p {
    color: var(--text-dim);
    margin: 0;
    font-style: italic;
}

/* Tables */
.docs-content table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 12px;
    margin: 24px 0;
}

.docs-content th {
    text-align: left;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--amber);
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: rgba(255,176,0,0.03);
}

.docs-content td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-dim);
    color: var(--text-dim);
    line-height: 1.6;
}

.docs-content tr:hover td {
    background: rgba(255,255,255,0.02);
}

.docs-content td code {
    font-size: 11px;
}

/* Horizontal rule */
.docs-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 860px) {
    .docs-topbar-title { display: none; }
    .docs-topbar-links { display: none; }
    .docs-menu-toggle { display: block; }

    .docs-sidebar {
        position: fixed;
        top: var(--topbar-h);
        left: 0;
        bottom: 0;
        z-index: 90;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        background: var(--bg);
        border-right: 1px solid var(--border);
        width: min(var(--sidebar-w), 85vw);
    }

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

    .docs-content {
        padding: 32px 24px 80px;
    }

    .docs-content h2 {
        margin-top: 40px;
        padding-top: 40px;
    }
}