/* Studio ops shell: Rook & Ink brand-core */
@import url("/brand-tokens.css");

:root {
  --bg: #101c16;
  --bg-lift: #1a2f24;
  --fg: #e8e2d6;
  --muted: #8a9a90;
  --accent: #c4a574;
  --accent-deep: #a67c52;
  --line: #2a3d32;
  --danger: #8b3a3a;
  --ok: #3d6b52;
  --font-display: Fraunces, Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 50%),
    linear-gradient(165deg, var(--bg), var(--bg-lift));
  color: var(--fg);
}

a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { color: #e8d4b0; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--bg); padding: 0.5rem 1rem; z-index: 50; }
.skip:focus { left: 0.5rem; top: 0.5rem; }

.layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  min-height: 100vh;
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

.sidebar {
  border-right: 1px solid var(--line);
  padding: 1.25rem 1rem;
  background: color-mix(in srgb, var(--bg) 80%, black);
}

.sidebar h1 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.sidebar .tag {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sidebar a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.35rem 0.4rem;
  border-radius: 2px;
}

.sidebar a:hover,
.sidebar a[aria-current="page"] {
  color: var(--fg);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.main { padding: 1.5rem 1.35rem 2.5rem; }

.hero h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.75rem;
}

.hero p { margin: 0; color: var(--muted); max-width: 40rem; line-height: 1.5; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0;
}

.card {
  display: block;
  padding: 1rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 50%, transparent);
  text-decoration: none;
  color: inherit;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  transform: translateY(-2px);
}

.card h3 { margin: 0 0 0.35rem; font-family: var(--font-display); font-size: 1.05rem; color: var(--fg); }
.card p { margin: 0; font-size: 0.86rem; color: var(--muted); }
.card .meta { display: block; margin-top: 0.55rem; font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); }

.badge {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--accent);
  padding: 0.15rem 0.4rem;
  margin-bottom: 0.75rem;
}

.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
th, td { border: 1px solid var(--line); padding: 0.45rem 0.55rem; text-align: left; vertical-align: top; }
th { background: color-mix(in srgb, var(--bg-lift) 80%, transparent); color: var(--accent); }
.status-ok { color: #9dceb0; }
.status-preview { color: var(--accent); }
.status-planned { color: var(--muted); }
.status-broken { color: #d09090; }

.tree {
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  background: #0a100d;
  border: 1px solid var(--line);
  white-space: pre;
}

.note {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--muted);
  font-size: 0.9rem;
}

.section { margin: 1.5rem 0 2rem; }
.section h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--fg);
}
.section p { color: var(--muted); max-width: 42rem; line-height: 1.55; }
.section ul, .section ol {
  color: var(--muted);
  max-width: 42rem;
  line-height: 1.5;
  padding-left: 1.2rem;
}
.section li { margin: 0.3rem 0; }
.section code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
}