/* GreenRoom Brain hub chrome — "Marquee Night" v2 (proposed 2026-07-28, DJ-directed).
   A green room is a dark room with warm light: deep stage-green surfaces, marquee
   gold as the glow, signal green for the wordmark and links, neon red reserved for
   live/pre-launch pulses. Anton display (UPPERCASE ONLY), Archivo body, Space Mono
   eyebrows/labels. Tokens documented in Brand/greenroom/brand-sheet.md (v2). */

:root {
  --bg: #0F1D17; --bg2: #1D3328; --panel: #16281F;
  --ink: #F4EFE6; --muted: #B9AF9E; --dim: #9C927F;
  --spot: #F5B942; --spot-strong: #E3A62E; --spot-ink: #F5B942;
  --green: #6BE8B2; --green-deep: #3ECF8E;
  --stage: #182E23; --stage-deep: #0B1611;
  --neon: #E23A55; --violet: #9B82F5;
  --hairline: #2A4033;
  --display: 'Anton', 'Arial Narrow', sans-serif;
  --body: 'Archivo', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Space Mono', 'Courier New', monospace;
  --radius: 14px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--body); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 16px; }
a { color: var(--green-deep); text-decoration: none; }
a:hover { color: var(--green); }
::selection { background: var(--spot); color: #14231B; }

header.brainbar {
  position: sticky; top: 0; z-index: 50;
  background: linear-gradient(135deg, var(--stage) 0%, var(--stage-deep) 100%);
  color: var(--ink); padding: 14px 28px 0;
  border-bottom: 3px solid var(--spot);
}
.brainbar-top { display: flex; align-items: center; gap: 12px; padding-bottom: 10px; }
.brainbar-top svg { display: block; flex: none; filter: drop-shadow(0 0 6px rgba(245,185,66,.45)); }
.brainbar-name { font-family: var(--display); font-size: 1.35rem; letter-spacing: .04em; text-transform: uppercase; color: #fff; }
.brainbar-name .gr { color: var(--green-deep); }
.brainbar-name a { color: inherit; }
.brainbar-tag { font-family: var(--mono); font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--spot); margin-left: auto; }
nav.portal { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; }
nav.portal::-webkit-scrollbar { display: none; }
nav.portal a { flex: none; color: rgba(244,239,230,.78); font-size: .8rem; font-weight: 500; padding: 8px 12px 10px; border-bottom: 3px solid transparent; white-space: nowrap; }
nav.portal a:hover { color: #fff; border-bottom-color: var(--green-deep); }
body.p-home nav.portal a[href="./index.html"], body.p-oph nav.portal a[href="./operating-hub.html"],
body.p-gallery nav.portal a[href="./prompt-gallery.html"], body.p-tqs nav.portal a[href="./templates-quick-start.html"],
body.p-brand nav.portal a[href="./brand-os.html"], body.p-tools nav.portal a[href="./tools.html"],
body.p-assets nav.portal a[href="./asset-directory.html"], body.p-addons nav.portal a[href="./skills-and-addons.html"],
body.p-setup nav.portal a[href="./setup-guide.html"], body.p-log nav.portal a[href="./changelog.html"]
{ color: #fff; border-bottom-color: var(--spot); }

main { max-width: 1560px; margin: 0 auto; padding: 44px 28px 90px; }
section { margin-top: 52px; }
.kicker { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--spot-ink); }
h1 { font-family: var(--display); font-weight: 400; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.06; margin-top: 10px; text-transform: uppercase; letter-spacing: .015em; }
h2 { font-family: var(--display); font-weight: 400; font-size: 1.5rem; margin: 8px 0 4px; text-transform: uppercase; letter-spacing: .02em; }
h3 { font-family: var(--body); font-weight: 700; font-size: 1.06rem; }
.lede { margin-top: 12px; max-width: 64ch; color: var(--muted); font-size: 1.04rem; }

.heroband {
  background:
    radial-gradient(1100px 420px at 82% -30%, rgba(245,185,66,.16), transparent 62%),
    linear-gradient(160deg, var(--stage), var(--stage-deep));
  color: var(--ink); border: 1px solid var(--hairline);
  border-radius: var(--radius); padding: 40px 36px; margin-top: 8px;
}
.heroband .kicker { color: var(--spot); }
.heroband h1 { color: #fff; }
.heroband .lede { color: rgba(244,239,230,.82); }
.heroband .spark { color: var(--spot); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; margin-top: 20px; }
.card { display: block; background: var(--panel); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 20px; color: var(--ink); transition: border-color .15s, transform .15s, box-shadow .15s; }
.card:hover { border-color: var(--spot); transform: translateY(-2px); color: var(--ink); box-shadow: 0 0 22px rgba(245,185,66,.12); }
.card p { font-size: .9rem; color: var(--muted); margin-top: 6px; }
.card .go { display: inline-block; margin-top: 12px; font-size: .78rem; font-weight: 700; color: var(--green-deep); }
.badge { display: inline-block; font-family: var(--mono); font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; border-radius: 999px; padding: 3px 10px; }
.badge.live { background: rgba(62,207,142,.14); color: var(--green-deep); }
.badge.soon { background: rgba(244,239,230,.08); color: var(--dim); }
.badge.beta { background: rgba(226,58,85,.16); color: #FF8098; }

table.list { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: .94rem; background: var(--panel); border: 1px solid var(--hairline); border-radius: var(--radius); overflow: hidden; }
table.list th { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); text-align: left; padding: 12px 16px; background: var(--bg2); }
table.list td { padding: 12px 16px; border-top: 1px solid var(--hairline); vertical-align: top; }
table.list td.mono, .mono { font-family: var(--mono); font-size: .78rem; }

.note { margin-top: 20px; padding: 16px 20px; background: var(--bg2); border-left: 4px solid var(--spot); border-radius: 0 var(--radius) var(--radius) 0; font-size: .94rem; max-width: 74ch; }
.note.red { border-left-color: var(--neon); }
.btnrow { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
a.btn { display: inline-block; font-size: .9rem; font-weight: 700; background: var(--green-deep); color: #10241A; padding: 12px 22px; border-radius: 999px; }
a.btn:hover { background: var(--green); color: #10241A; }
a.btn.spot { background: var(--spot); color: #241A08; }
a.btn.spot:hover { background: var(--spot-strong); color: #241A08; }
a.btn.quiet { background: transparent; color: var(--green-deep); border: 1px solid var(--hairline); }
a.btn.quiet:hover { border-color: var(--green-deep); }

.toolbar input[type="search"] { background: var(--panel); color: var(--ink); }
.toolbar input[type="search"]::placeholder { color: var(--dim); }

footer.brainfoot { background: var(--stage-deep); color: rgba(244,239,230,.72); margin-top: 80px; padding: 28px 28px 42px; font-size: .85rem; display: flex; flex-wrap: wrap; gap: 12px 44px; justify-content: space-between; border-top: 3px solid var(--spot); }
footer.brainfoot strong { color: var(--spot); }
footer.brainfoot .mono { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; }
@media (max-width: 640px) { header.brainbar { padding: 12px 16px 0; } main { padding: 32px 16px 70px; } .heroband { padding: 28px 22px; } }