:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --text-primary: #e6e6ee;
  --text-secondary: #8a8a99;
  --accent: #7b61ff;
  --accent-hover: #9b88ff;
  --accent-soft: rgba(123, 97, 255, 0.14);
  --border: #2a2a35;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

#app { display: flex; width: 100%; }

/* ---- Sidebar ---- */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-header { padding: 22px 20px 16px; border-bottom: 1px solid var(--border); }

.brand {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-decoration: none;
  background: linear-gradient(90deg, #e6e6ee, var(--accent-hover));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 4px;
}

.canvas-cta {
  display: block;
  margin-top: 14px;
  padding: 9px 12px;
  text-align: center;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border-radius: 8px;
  transition: background 0.15s;
}
.canvas-cta:hover { background: var(--accent-hover); }

.book-cta { background: transparent; border: 1px solid var(--accent); color: var(--accent-hover); margin-top: 8px; }
.book-cta:hover { background: var(--accent-soft); color: var(--accent-hover); }

.search-box { padding: 14px 16px 6px; }

.search-box input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.85rem;
}

.search-box input:focus { outline: none; border-color: var(--accent); }

.sidebar-nav { flex-grow: 1; overflow-y: auto; padding: 8px 8px 16px; }

.nav-group { margin-bottom: 10px; }

.nav-group-label {
  font-size: 0.68rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 10px 12px 4px;
}

.nav-item {
  display: block;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.3;
  transition: all 0.15s;
}

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

.nav-item.active {
  color: var(--accent-hover);
  background: var(--accent-soft);
  font-weight: 500;
}

.nav-empty { padding: 12px; color: var(--text-secondary); font-size: 0.85rem; }

.stats-container {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.stats-container .muted { color: var(--text-secondary); opacity: 0.7; margin-top: 2px; }

/* ---- Main ---- */
.main-content { flex-grow: 1; display: flex; flex-direction: column; min-width: 0; }

.top-bar {
  height: 58px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
}

.top-bar h1 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.home-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.home-link:hover { color: var(--text-primary); border-color: var(--accent); }

.view-container { flex-grow: 1; padding: 36px 44px; overflow-y: auto; }

/* ---- Home ---- */
.home { max-width: 920px; }
.hero h2 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: 10px; }
.hero p { color: var(--text-secondary); max-width: 640px; line-height: 1.65; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin: 28px 0 8px;
}
.stat {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num { font-family: var(--font-serif); font-size: 1.7rem; color: var(--accent-hover); }
.stat-lbl { font-size: 0.78rem; color: var(--text-secondary); }

.section-title {
  font-size: 0.78rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin: 30px 0 12px;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.home-card {
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 18px;
  text-align: center;
  text-decoration: none;
  color: #fff;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
}
.home-card:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.home-card h3 { font-size: 1rem; margin-bottom: 6px; color: #fff; }
.home-card p { font-size: 0.84rem; color: rgba(255, 255, 255, 0.85); line-height: 1.45; font-weight: 400; }

/* ---- Markdown typography ---- */
.markdown-body { max-width: 820px; line-height: 1.7; font-size: 0.98rem; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  font-family: var(--font-serif);
  line-height: 1.25;
  margin: 1.6em 0 0.6em;
}
.markdown-body h1 { font-size: 1.9rem; margin-top: 0; }
.markdown-body h2 { font-size: 1.45rem; padding-bottom: 0.3em; border-bottom: 1px solid var(--border); }
.markdown-body h3 { font-size: 1.15rem; }
.markdown-body p, .markdown-body li { color: var(--text-primary); }
.markdown-body a { color: var(--accent-hover); }
.markdown-body ul, .markdown-body ol { padding-left: 1.4em; margin: 0.8em 0; }
.markdown-body li { margin: 0.3em 0; }
.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.2em 1em;
  margin: 1em 0;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-radius: 0 6px 6px 0;
}
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.markdown-body code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.85em;
  background: var(--bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
}
.markdown-body pre {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 1em 0;
}
.markdown-body pre code { background: none; padding: 0; font-size: 0.85rem; line-height: 1.5; }

.markdown-body table { border-collapse: collapse; width: 100%; margin: 1em 0; font-size: 0.9rem; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.markdown-body th { background: var(--bg-secondary); }

/* Copyable bracket code chips */
.code-chip {
  background: var(--accent-soft) !important;
  color: var(--accent-hover);
  border: 1px solid transparent;
  transition: all 0.15s;
}
.code-chip:hover { border-color: var(--accent); }
.code-chip.copied { background: #1e3a1e !important; color: #7ee787; }

/* Copy button on code blocks */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 0.72rem;
  cursor: pointer;
  font-family: var(--font-sans);
}
.copy-btn:hover { color: var(--text-primary); border-color: var(--accent); }

.page-meta { margin-top: 32px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 0.78rem; color: var(--text-secondary); }

/* Scene beat callout (rendered from ::: beat blocks by build.js) */
.beat-card {
  display: block;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  margin: 1.4em 0;
}
.beat-card .beat-label {
  font-family: var(--font-sans);
  font-size: 0.64rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 4px;
}
.beat-card .beat-scene {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.beat-card .beat-text { color: var(--text-primary); font-size: 0.92rem; line-height: 1.55; font-style: italic; }

.notice { padding: 20px; background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; color: var(--text-secondary); }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  body { overflow: auto; }
  #app { flex-direction: column; height: auto; }
  .sidebar { width: 100%; height: auto; }
  .view-container { padding: 24px; }
}