@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Sora:wght@300;400;600;700&display=swap');

:root {
  --bg-deep:       #1e1e1e;
  --bg-panel:      #252525;
  --bg-sidebar:    #232323;
  --bg-card:       #2a2a2a;
  --border:        #383838;
  --accent:        #c8c8c8;
  --accent-bright: #ffffff;
  --text-primary:  #e8e8e8;
  --text-secondary:#9a9a9a;
  --text-muted:    #666666;
  --btn-border:    #555555;
  --sidebar-w:     220px;
  --topbar-h:      48px;
  --keyword:       #c792ea;
  --type:          #82aaff;
  --string:        #c3e88d;
  --comment:       #546e7a;
  --number:        #f78c6c;
  --fn:            #82aaff;
  --operator:      #89ddff;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'Sora', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── TOP BAR ─────────────────────────── */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  z-index: 200;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  flex-shrink: 0;
}

.topbar-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.topbar-logo span {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--accent-bright);
}

.topbar-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.topbar-search input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 5px 10px 5px 32px;
  color: var(--text-primary);
  font-family: 'Sora', sans-serif;
  font-size: 0.82rem;
  outline: none;
  transition: border-color 0.2s;
}

.topbar-search input:focus { border-color: var(--accent); }
.topbar-search input::placeholder { color: var(--text-muted); }

.topbar-search .search-icon {
  position: absolute;
  left: 9px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.75rem;
  pointer-events: none;
}

/* Search Results Dropdown */
.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  max-height: 320px;
  overflow-y: auto;
  z-index: 300;
  display: none;
}

.search-results.active { display: block; }

.search-result-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-panel); }

.search-result-item .result-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.search-result-item .result-page {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.search-result-item .result-excerpt {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.search-result-item mark {
  background: rgba(200,200,200,0.25);
  color: var(--accent-bright);
  border-radius: 2px;
  padding: 0 2px;
}

.search-no-results {
  padding: 14px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.topbar-github {
  margin-left: auto;
  color: var(--text-secondary);
  font-size: 1.1rem;
  text-decoration: none;
  transition: color 0.2s;
}

.topbar-github:hover { color: var(--accent-bright); }

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

/* ── SIDEBAR ─────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  position: fixed;
  top: var(--topbar-h);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  padding: 20px 0;
  z-index: 100;
}

.sidebar-section {
  margin-bottom: 6px;
}

.sidebar-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 18px 4px;
}

.sidebar-link {
  display: block;
  padding: 6px 18px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.sidebar-link.active {
  color: var(--accent-bright);
  border-left-color: var(--accent-bright);
  background: rgba(255,255,255,0.05);
}

/* ── CONTENT ─────────────────────────── */
.content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: calc(100vh - var(--topbar-h));
}

/* ── HERO (index.html) ───────────────── */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px 60px;
  text-align: center;
  min-height: calc(100vh - var(--topbar-h) - 60px);
}

.hero-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 20px rgba(255,255,255,0.1));
}

.hero h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-bright);
  margin-bottom: 10px;
}

.hero .tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── BUTTONS ─────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: 3px;
  font-size: 0.8rem;
  font-family: 'Sora', sans-serif;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
  background: var(--bg-card);
  border: 1px solid var(--btn-border);
  color: var(--text-primary);
}

.btn-primary:hover {
  background: #333;
  border-color: var(--accent);
  color: var(--accent-bright);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

/* ── DOC PAGE ────────────────────────── */
.doc-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 50px 48px 80px;
}

.doc-page h1 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-bright);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.doc-page .page-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.doc-page h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 40px 0 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 0.03em;
}

.doc-page h3 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 24px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.doc-page p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 14px;
  line-height: 1.8;
}

.doc-page ul, .doc-page ol {
  padding-left: 20px;
  margin-bottom: 14px;
}

.doc-page li {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 5px;
  line-height: 1.7;
}

/* ── INSTALL SECTION ─────────────────── */
#install {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 40px 60px;
}

#install h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

#install ul { list-style: none; padding: 0; margin-bottom: 20px; }
#install ul li {
  color: var(--text-secondary);
  font-size: 0.85rem;
  padding: 5px 0;
  line-height: 1.7;
}
#install ul li a { color: var(--accent); text-decoration: none; }
#install ul li a:hover { color: var(--accent-bright); }

/* ── CODE BLOCKS ─────────────────────── */
pre, .code-example pre {
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 20px;
  overflow-x: auto;
  margin: 16px 0;
  position: relative;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-primary);
}

p code, li code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 0.78rem;
  color: #c3e88d;
}

/* Syntax highlighting classes */
.kw  { color: var(--keyword); }
.ty  { color: var(--type); }
.st  { color: var(--string); }
.cm  { color: var(--comment); font-style: italic; }
.nm  { color: var(--number); }
.fn  { color: var(--fn); }
.op  { color: var(--operator); }
.pu  { color: #89ddff; }

/* code-example box */
.code-example {
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 0 0;
  margin: 16px 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  overflow: hidden;
}

.code-example-label {
  padding: 0 20px 8px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.code-example pre {
  background: transparent;
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  margin: 0;
  padding: 14px 20px;
}

/* ── TABLE ───────────────────────────── */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.82rem;
}

.doc-table th {
  background: var(--bg-card);
  padding: 9px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.doc-table td {
  padding: 8px 14px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  line-height: 1.5;
}

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

/* ── CALLOUT ─────────────────────────── */
.callout {
  border-left: 3px solid var(--btn-border);
  background: var(--bg-card);
  padding: 12px 16px;
  border-radius: 0 4px 4px 0;
  margin: 16px 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.callout.note   { border-left-color: var(--type); }
.callout.warn   { border-left-color: #f78c6c; }
.callout strong { color: var(--text-primary); }

/* ── FOOTER ──────────────────────────── */
footer {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 0.75rem;
  border-top: 1px solid var(--border);
}

/* ── SCROLLBAR ───────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }

/* ── RESPONSIVE ──────────────────────── */
@media (max-width: 700px) {
  .sidebar { display: none; }
  .content { margin-left: 0; }
  .doc-page { padding: 30px 20px 60px; }
  .hero h1 { font-size: 2rem; }
}