/* Layout primitives: backdrop, glass, top bar, page grid. Colors come from tokens.css only. */
*, *::before, *::after { box-sizing: border-box; }
html, body { min-height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 14px; line-height: 1.45; padding-inline: 16px; padding-block: 14px 48px; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
a { color: var(--data); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 8px; }
[hidden] { display: none !important; }
.defs { position: absolute; }
.stop-a { stop-color: var(--data); }
.stop-b { stop-color: var(--accent); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.lbl { font-family: var(--mono); font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.muted { color: var(--ink-2); }

.backdrop { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -8%, var(--glow-a), transparent 60%),
    radial-gradient(700px 480px at 100% 30%, var(--glow-b), transparent 60%),
    radial-gradient(800px 500px at 40% 110%, var(--glow-c), transparent 60%); }
.backdrop::after { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--gridline) 1px, transparent 1px), linear-gradient(90deg, var(--gridline) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 80%);
  mask-image: radial-gradient(ellipse at 50% 20%, #000 30%, transparent 80%); }

.app { position: relative; z-index: 1; max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }

.glass { position: relative; background: var(--glass); border: 1px solid var(--edge); border-radius: 18px;
  -webkit-backdrop-filter: blur(18px) saturate(150%); backdrop-filter: blur(18px) saturate(150%);
  box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow); }
.glass::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; padding: 1px;
  background: linear-gradient(160deg, var(--edge-hi), transparent 35%, transparent 70%, var(--edge));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }

.topbar { display: flex; align-items: center; gap: 14px; padding: 10px 12px 10px 14px; border-radius: 16px; flex-wrap: wrap;
  position: sticky; top: calc(env(safe-area-inset-top, 0px) + 8px); z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -.01em; font-size: 15px; border: 0; background: transparent; cursor: pointer; padding: 2px 4px 2px 0; }
.nav { display: flex; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.nav a { color: var(--ink-2); text-decoration: none; padding: 7px 12px; border-radius: 10px; font-weight: 500; font-size: 13px; white-space: nowrap; display: flex; gap: 7px; align-items: center; }
.nav a:hover { color: var(--ink); background: var(--glass-2); }
.nav a[aria-current="page"] { color: var(--ink); background: var(--glass-hi); box-shadow: inset 0 0 0 1px var(--edge); }
.badge { font-family: var(--mono); font-size: 10px; padding: 1px 6px; border-radius: 999px; background: var(--accent); color: var(--on-accent); }
.topactions { display: flex; gap: 8px; align-items: center; }
body:not([data-role="admin"]):not([data-role="curator"]) .admin-only { display: none; }

.stale { padding: 10px 14px; border-radius: 12px; font-size: 13px; color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); background: color-mix(in srgb, var(--warn) 12%, transparent); }

.page { display: grid; gap: 14px; outline: none; }
.phdr { display: grid; gap: 10px; padding: 14px 4px 2px; }
.phdr h1 { font-size: clamp(24px, 3.1vw, 36px); font-weight: 600; letter-spacing: -.035em; line-height: 1.12; max-width: 32ch; }
.hl { background: linear-gradient(90deg, var(--accent), var(--accent-2) 45%, var(--data)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.g-top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.g-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

@media (max-width: 980px) {
  .g-top, .g-3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .nav { order: 3; flex-basis: 100%; }
  .topactions { margin-left: auto; }
  #req-btn { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}