:root {
  --bg: #0b0e14;
  --bg2: #11151f;
  --card: #151a26;
  --card2: #1a2030;
  --border: #232b3d;
  --text: #dbe2f0;
  --muted: #8b96ad;
  --accent: #6c8cff;
  --accent2: #8f6cff;
  --ok: #34d39a;
  --warn: #f5b653;
  --err: #f36c6c;
  --radius: 12px;
  font-size: 15px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: linear-gradient(180deg, var(--bg) 0%, #0d1119 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--bg2);
  border-right: 1px solid var(--border); padding: 20px 14px;
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
}
.ver-badge {
  margin-top: auto; padding-top: 16px; color: var(--muted);
  font-size: .74rem; letter-spacing: .03em; opacity: .8;
}
.ver-badge .beta {
  display: inline-block; margin-left: 4px; padding: 1px 6px;
  border-radius: 6px; font-size: .66rem; font-weight: 700; letter-spacing: .04em;
  color: #ffd27a; background: rgba(255,180,60,.14); border: 1px solid rgba(255,180,60,.3);
}
.brand { font-weight: 800; font-size: 1.15rem; letter-spacing: .02em; margin-bottom: 4px; }
.brand .dot { color: var(--accent); }
.brand-sub { color: var(--muted); font-size: .72rem; margin-bottom: 22px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 8px; color: var(--muted);
  margin-bottom: 3px; font-size: .92rem;
}
.nav a:hover { background: var(--card); color: var(--text); text-decoration: none; }
.nav a.active { background: linear-gradient(90deg, rgba(108,140,255,.18), rgba(143,108,255,.08)); color: var(--text); border: 1px solid rgba(108,140,255,.25); }
.main { flex: 1; padding: 26px 30px; max-width: 1200px; }
h1 { font-size: 1.4rem; margin: 0 0 4px; }
.sub { color: var(--muted); font-size: .88rem; margin-bottom: 22px; }
h2 { font-size: 1.05rem; margin: 26px 0 10px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
}
.card .label { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.card .value { font-size: 1.45rem; font-weight: 700; margin-top: 6px; }
.card .hint { color: var(--muted); font-size: .78rem; margin-top: 4px; }

/* Badges */
.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: .74rem; font-weight: 600; border: 1px solid transparent;
}
.b-ok { background: rgba(52,211,154,.12); color: var(--ok); border-color: rgba(52,211,154,.3); }
.b-warn { background: rgba(245,182,83,.12); color: var(--warn); border-color: rgba(245,182,83,.3); }
.b-err { background: rgba(243,108,108,.12); color: var(--err); border-color: rgba(243,108,108,.3); }
.b-muted { background: rgba(139,150,173,.1); color: var(--muted); border-color: rgba(139,150,173,.25); }
.b-accent { background: rgba(108,140,255,.12); color: var(--accent); border-color: rgba(108,140,255,.3); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; }
tr:hover td { background: rgba(108,140,255,.04); }
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }

/* Forms */
label { display: block; color: var(--muted); font-size: .8rem; margin: 14px 0 5px; }
input[type=text], input[type=number], select, textarea {
  width: 100%; background: var(--bg2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px;
  font-family: inherit; font-size: .9rem;
}
textarea { min-height: 130px; resize: vertical; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .82rem; line-height: 1.45; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
input[type=range] { width: 100%; accent-color: var(--accent); }
.btn {
  display: inline-block; background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #fff; border: none; border-radius: 8px; padding: 10px 20px;
  font-weight: 600; font-size: .9rem; cursor: pointer;
}
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn-ghost { background: var(--card2); border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 5px 12px; font-size: .78rem; }
.btn-danger { background: rgba(243,108,108,.15); border: 1px solid rgba(243,108,108,.4); color: var(--err); }

/* Guard checklist */
.gate-list { list-style: none; margin: 0; padding: 0; }
.gate-list li {
  display: flex; align-items: flex-start; gap: 9px; padding: 7px 10px;
  border-bottom: 1px solid var(--border); font-size: .85rem;
}
.gate-list li:last-child { border-bottom: none; }
.gate-ic { font-weight: 700; width: 18px; flex-shrink: 0; }
.gate-pass .gate-ic { color: var(--ok); }
.gate-fail .gate-ic { color: var(--err); }
.gate-detail { color: var(--muted); font-size: .76rem; margin-top: 2px; word-break: break-word; }
.blocks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; margin: 8px 0; }
.block-chip { font-size: .72rem; padding: 4px 8px; border-radius: 6px; border: 1px solid var(--border); color: var(--muted); }
.block-chip.on { border-color: rgba(52,211,154,.4); color: var(--ok); background: rgba(52,211,154,.07); }
.block-chip.off { border-color: rgba(243,108,108,.4); color: var(--err); background: rgba(243,108,108,.07); }

/* Library grid */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 14px; }
.proj-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.proj-card .cov { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: var(--card2); }
.proj-card .cov-ph { width: 100%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--border); background: var(--card2); }
.proj-card .body { padding: 11px 13px; }
.proj-card .t { font-weight: 600; font-size: .88rem; line-height: 1.3; }
.proj-card .m { color: var(--muted); font-size: .74rem; margin-top: 4px; }

/* Audio player */
audio { width: 100%; margin-top: 6px; }

/* Progress bars */
.prog { height: 7px; background: var(--card2); border-radius: 99px; overflow: hidden; margin-top: 8px; }
.prog > div { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 99px; }

pre.code {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 13px; overflow-x: auto; font-size: .74rem; line-height: 1.5;
  color: var(--text); max-height: 480px; overflow-y: auto;
  white-space: pre-wrap; word-break: break-word;
}
.flex { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
.mt { margin-top: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.muted { color: var(--muted); }
.small { font-size: .78rem; }

/* Mobile topbar + drawer (hidden on desktop) */
[x-cloak] { display: none !important; }
.mobile-topbar { display: none; }
.nav-toggle {
  background: var(--card2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; width: 42px; height: 42px; font-size: 1.25rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.nav-scrim {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 40;
}

@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; }
  .main { max-width: 100%; }
}

@media (max-width: 760px) {
  /* Topbar shows, sidebar becomes an off-canvas drawer */
  .mobile-topbar {
    display: flex; align-items: center; gap: 12px;
    position: sticky; top: 0; z-index: 30;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    padding: 9px 14px;
  }
  .mobile-topbar .brand { font-size: 1.05rem; margin: 0; }
  .shell { flex-direction: column; }
  .sidebar {
    position: fixed; top: 0; left: 0; z-index: 50;
    width: 250px; max-width: 82vw; height: 100vh;
    transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: 2px 0 20px rgba(0,0,0,.5);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar .brand { display: block; }
  .nav { display: block; margin-top: 18px; }
  .nav a { margin-bottom: 4px; font-size: 1rem; padding: 12px 14px; }
  .main { padding: 16px 15px 40px; }
  h1 { font-size: 1.25rem; }
  h2 { font-size: 1rem; }
  .cards { grid-template-columns: 1fr 1fr; gap: 10px; }
  .card { padding: 13px; }
  .card .value { font-size: 1.25rem; }
  .proj-grid { grid-template-columns: 1fr 1fr; gap: 11px; }
  .blocks-grid { grid-template-columns: 1fr 1fr; }
  /* Big tap targets */
  .btn { padding: 12px 20px; font-size: .95rem; min-height: 46px; width: 100%; }
  .btn-sm { width: auto; min-height: 38px; padding: 8px 14px; }
  .flex .btn { width: auto; }
  input[type=text], input[type=number], select, textarea { font-size: 16px; padding: 12px; min-height: 46px; }
  input[type=range] { height: 34px; }
}

@media (max-width: 430px) {
  :root { font-size: 14px; }
  .cards { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .blocks-grid { grid-template-columns: 1fr; }
  .main { padding: 14px 12px 40px; }
  /* Reflow wide tables into stacked cards */
  table.reflow thead { position: absolute; left: -9999px; }
  table.reflow tr { display: block; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; padding: 6px 10px; background: var(--card); }
  table.reflow td { display: flex; justify-content: space-between; gap: 12px; border: none; padding: 6px 0; text-align: right; }
  table.reflow td::before { content: attr(data-label); color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; text-align: left; }
}