:root {
  --bg: #f5f6fa;
  --panel: #ffffff;
  --panel-alt: #f9fafc;
  --text: #1b1d24;
  --muted: #6b7280;
  --border: #e5e7ee;
  --accent: #4f5fe8;
  --accent-dark: #3b48c2;
  --accent-soft: #eef0fd;
  --danger: #d64545;
  --danger-soft: #fbebeb;
  --success: #1e9e5a;
  --success-soft: #e5f7ee;
  --warning: #9a6b0c;
  --warning-soft: #fdf3dd;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20, 20, 40, 0.04), 0 8px 24px rgba(20, 20, 40, 0.05);
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14151c;
    --panel: #1c1e28;
    --panel-alt: #23252f;
    --text: #eceef4;
    --muted: #9298ad;
    --border: #2c2f3c;
    --accent: #7c88f5;
    --accent-dark: #98a2f7;
    --accent-soft: #262a4a;
    --danger: #f0807a;
    --danger-soft: #3a2226;
    --success: #5cd694;
    --success-soft: #1c3428;
    --warning: #f0c060;
    --warning-soft: #3a301a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #14151c;
  --panel: #1c1e28;
  --panel-alt: #23252f;
  --text: #eceef4;
  --muted: #9298ad;
  --border: #2c2f3c;
  --accent: #7c88f5;
  --accent-dark: #98a2f7;
  --accent-soft: #262a4a;
  --danger: #f0807a;
  --danger-soft: #3a2226;
  --success: #5cd694;
  --success-soft: #1c3428;
  --warning: #f0c060;
  --warning-soft: #3a301a;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar .brand {
  font-weight: 700;
  color: var(--text);
  font-size: 15px;
}
.topbar .brand a { color: inherit; }

.topbar nav { display: flex; align-items: center; gap: 4px; }
.topbar nav a {
  margin-left: 12px;
  color: var(--muted);
  font-size: 14px;
}
.topbar nav a:hover { color: var(--text); }

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel-alt);
  border-radius: 999px;
  width: 32px;
  height: 32px;
  font-size: 15px;
  cursor: pointer;
  margin-left: 12px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { border-color: var(--accent); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }

.doc-content h1:first-child, .doc-content h2:first-child { margin-top: 0; }

.doc-type-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.meta {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 24px;
}

/* ---- Stats row (admin dashboard) ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.stat-tile .stat-value { font-size: 26px; font-weight: 700; }
.stat-tile .stat-label { color: var(--muted); font-size: 12px; margin-top: 2px; }

/* ---- Search box ---- */
.search-box {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
  background: var(--panel);
  color: var(--text);
}

table.list {
  width: 100%;
  border-collapse: collapse;
}
table.list th, table.list td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: middle;
}
table.list th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
table.list tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.published { background: var(--success-soft); color: var(--success); }
.badge.draft { background: var(--warning-soft); color: var(--warning); }

.switch {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  vertical-align: middle;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--border); border-radius: 999px; transition: 0.15s;
}
.switch .slider::before {
  content: ""; position: absolute; height: 16px; width: 16px; left: 3px; bottom: 3px;
  background: #fff; border-radius: 50%; transition: 0.15s;
}
.switch input:checked + .slider { background: var(--success); }
.switch input:checked + .slider::before { transform: translateX(16px); }

.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); text-decoration: none; }
.btn.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn.secondary:hover { background: var(--panel-alt); }
.btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { padding: 5px 10px; font-size: 13px; }

form.stack label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 16px 0 6px;
}
form.stack input[type=text],
form.stack input[type=email],
form.stack input[type=password],
form.stack input[type=date],
form.stack select,
form.stack textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--panel);
  color: var(--text);
}
form.stack textarea { min-height: 320px; font-family: var(--font-mono); font-size: 13px; resize: vertical; }
form.stack .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
form.stack .row { display: flex; gap: 20px; flex-wrap: wrap; }
form.stack .row > div { flex: 1; min-width: 180px; }
form.stack .actions { margin-top: 24px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

details.advanced {
  margin-top: 18px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
details.advanced summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
details.advanced[open] summary { margin-bottom: 8px; }

.link-box {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
  font-family: var(--font-mono);
  word-break: break-all;
  flex-wrap: wrap;
}

.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
  font-size: 14px;
}
.flash.success { background: var(--success-soft); color: var(--success); }
.flash.error { background: var(--danger-soft); color: var(--danger); }
.flash.draft-banner { background: var(--warning-soft); color: var(--warning); font-weight: 600; }

.empty {
  color: var(--muted);
  padding: 40px 20px;
  text-align: center;
}
.empty .empty-icon { font-size: 32px; margin-bottom: 8px; }

.login-wrap {
  max-width: 380px;
  margin: 80px auto;
}

footer.site {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 30px 0;
}

/* ---- Public document page layout with TOC ---- */
.doc-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 720px) {
  .doc-layout { grid-template-columns: 1fr; }
  .toc { order: 2; }
}
.toc {
  position: sticky;
  top: 80px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 13px;
  box-shadow: var(--shadow);
}
.toc-title { font-weight: 700; margin-bottom: 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 6px 0; }
.toc a { color: var(--text); }
.toc a:hover { color: var(--accent); }
.toc-level-3 { padding-left: 12px; font-size: 12px; }

.doc-footer-actions {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.doc-content pre { background: var(--panel-alt); padding: 12px; border-radius: var(--radius-sm); overflow-x: auto; }
.doc-content code { background: var(--panel-alt); padding: 1px 5px; border-radius: 4px; font-size: 0.9em; }
.doc-content blockquote { margin: 0; padding: 6px 16px; border-left: 3px solid var(--border); color: var(--muted); }
.doc-content hr { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.doc-content h2, .doc-content h3 { scroll-margin-top: 90px; }

/* ---- App directory cards (public home) ---- */
.app-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; margin-right: 12px; flex-shrink: 0;
}
.app-card-head { display: flex; align-items: center; margin-bottom: 12px; }

@media print {
  .topbar, footer.site, .no-print, .toc { display: none; }
  .doc-layout { grid-template-columns: 1fr; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; }
}