/* AtlasHub theme - monochrome "Atlas" look. Dark by default; light via [data-theme="light"]. No em dashes. */
:root {
  --bg: #0a0a0b;
  --grid: rgba(255,255,255,0.022);
  --bg-grad: radial-gradient(1100px 560px at 82% -12%, rgba(255,255,255,0.055), transparent 60%),
             radial-gradient(820px 480px at -8% 6%, rgba(255,255,255,0.035), transparent 55%);
  --surface: #121214;
  --surface-2: #18181b;
  --surface-3: #222227;
  --border: #2a2a30;
  --border-2: #3a3a42;
  --text: #f4f4f5;
  --text-2: #b3b3bb;
  --text-3: #76767f;
  --accent: #f4f4f5;       /* near-white, the single "bright" */
  --accent-2: #9a9aa3;     /* silver */
  --hair: #ffffff;
  /* monochrome status, conveyed by lightness */
  --ok: #f4f4f5;
  --warn: #a9a9b1;
  --bad: #6a6a72;
  --btn-bg: #f4f4f5; --btn-fg: #0a0a0b;
  --logo-a: #ffffff; --logo-b: #b4b4bb; --logo-fg: #0a0a0b;
  --shadow: 0 14px 40px rgba(0,0,0,0.55);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1180px;
}
[data-theme="light"] {
  --bg: #f6f6f7;
  --grid: rgba(0,0,0,0.030);
  --bg-grad: radial-gradient(1000px 520px at 85% -12%, rgba(0,0,0,0.05), transparent 60%),
             radial-gradient(760px 440px at -8% 6%, rgba(0,0,0,0.035), transparent 55%);
  --surface: #ffffff;
  --surface-2: #f2f2f4;
  --surface-3: #e8e8ec;
  --border: #e3e3e7;
  --border-2: #d1d1d8;
  --text: #0c0c0e;
  --text-2: #45454d;
  --text-3: #6c6c75;
  --accent: #0c0c0e;
  --accent-2: #54545b;
  --hair: #000000;
  --ok: #0c0c0e;
  --warn: #6c6c75;
  --bad: #a6a6ad;
  --btn-bg: #0c0c0e; --btn-fg: #ffffff;
  --logo-a: #1b1b1f; --logo-b: #4a4a52; --logo-fg: #ffffff;
  --shadow: 0 12px 30px rgba(10,10,20,0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  /* faint cartographic grid + monochrome vignette = "atlas" feel */
  background-image:
    var(--bg-grad),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--text-3); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 14px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .3px; color: var(--text); text-transform: none; }
.brand:hover { text-decoration: none; }
.logo {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: linear-gradient(135deg, var(--logo-a), var(--logo-b));
  display: grid; place-items: center; color: var(--logo-fg); font-weight: 900; font-size: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.35); border: 1px solid var(--border-2);
}
.brand .sub { color: var(--text-3); font-weight: 600; font-size: 11px; margin-left: 2px; letter-spacing: .14em; text-transform: uppercase; }
.nav-spacer { flex: 1; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { color: var(--text-2); padding: 8px 12px; border-radius: 9px; font-weight: 600; font-size: 14px; }
.nav-link:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav-link.active { color: var(--text); background: var(--surface-3); }
.icon-btn {
  display: inline-grid; place-items: center; width: 38px; height: 38px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
  border-radius: 10px; font-size: 16px;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-2); }

/* ---------- back / breadcrumb ---------- */
.subbar { border-bottom: 1px solid var(--border); background: color-mix(in oklab, var(--bg) 86%, transparent); }
.subbar-inner { display: flex; align-items: center; gap: 12px; height: 46px; font-size: 13px; color: var(--text-3); }
.back-btn {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 6px 12px; border-radius: 9px; font-weight: 600; font-size: 13px;
}
.back-btn:hover { border-color: var(--border-2); background: var(--surface-2); text-decoration: none; }
.crumbs { display: flex; align-items: center; gap: 7px; }
.crumbs .sep { color: var(--text-3); }
.crumbs a { color: var(--text-2); }
.crumbs a:hover { color: var(--text); }
.crumbs .here { color: var(--text); font-weight: 600; }

/* ---------- generic ---------- */
main { padding: 28px 0 60px; }
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: .16em; color: var(--text-3); font-weight: 700; margin: 0 0 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.muted { color: var(--text-3); }
.badge {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-2); color: var(--text-2);
  background: var(--surface-2); text-transform: uppercase; letter-spacing: .06em;
}
/* phase badges differ by lightness, not hue */
.badge.pilot { color: var(--text); border-color: var(--border-2); background: color-mix(in oklab, var(--text) 12%, transparent); }
.badge.p1 { color: var(--text-2); border-color: var(--border-2); background: var(--surface-3); }
.badge.p2 { color: var(--text-3); border-color: var(--border); background: var(--surface-2); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.st-complete { color: var(--ok); }
.st-on_track { color: var(--text-2); }
.st-not_started { color: var(--text-3); }
.st-other { color: var(--warn); }

/* ---------- hero / home ---------- */
.hero { padding: 30px 0 8px; }
.hero h1 { font-size: 42px; line-height: 1.06; margin: 8px 0 14px; letter-spacing: -0.025em; font-weight: 800; }
.hero h1 .grad { background: linear-gradient(120deg, var(--text), var(--text-3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 17px; color: var(--text-2); max-width: 720px; margin: 0 0 22px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 700; font-size: 14px;
  padding: 11px 18px; border-radius: 11px; border: 1px solid var(--border-2); background: var(--surface); color: var(--text);
}
.btn:hover { text-decoration: none; border-color: var(--text-3); background: var(--surface-2); }
.btn.primary { background: var(--btn-bg); border: 1px solid var(--btn-bg); color: var(--btn-fg); }
.btn.primary:hover { filter: brightness(0.94); background: var(--btn-bg); }

.stat-strip { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin: 28px 0 8px; }
.stat { padding: 16px; text-align: left; position: relative; overflow: hidden; }
.stat::before { content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 2px; background: var(--border-2); }
.stat { padding-left: 18px; }
.stat .n { font-size: 25px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .l { font-size: 11px; color: var(--text-3); font-weight: 600; margin-top: 3px; text-transform: uppercase; letter-spacing: .07em; }

.grid-2 { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step { padding: 18px; }
.step .k { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; font-weight: 800; color: var(--logo-fg); background: linear-gradient(135deg, var(--logo-a), var(--logo-b)); margin-bottom: 12px; border: 1px solid var(--border-2); }
.step h4 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--text-2); font-size: 14px; }

.launch { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.lcard { padding: 18px; display: flex; flex-direction: column; gap: 8px; transition: transform .12s ease, border-color .12s ease; }
.lcard:hover { transform: translateY(-3px); border-color: var(--text-3); text-decoration: none; }
.lcard .ic { font-size: 20px; }
.lcard h4 { margin: 0; font-size: 15px; color: var(--text); }
.lcard p { margin: 0; font-size: 13px; color: var(--text-3); }
.lcard .go { margin-top: auto; font-size: 13px; color: var(--text); font-weight: 700; }

/* ---------- worlds grid ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.search { flex: 1; min-width: 220px; display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: 11px; padding: 9px 12px; }
.search:focus-within { border-color: var(--text-3); }
.search input { flex: 1; background: transparent; border: none; outline: none; color: var(--text); font-size: 14px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { cursor: pointer; padding: 8px 13px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); font-size: 13px; font-weight: 600; }
.chip:hover { color: var(--text); border-color: var(--border-2); }
.chip.active { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }

.worlds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.wcard { padding: 16px; cursor: pointer; display: flex; flex-direction: column; gap: 10px; transition: transform .12s ease, border-color .12s ease; }
.wcard:hover { transform: translateY(-3px); border-color: var(--text-3); }
.wcard .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.wcard h3 { margin: 0; font-size: 16px; line-height: 1.25; }
.wcard .dom { font-size: 12px; color: var(--text-3); }
.wcard .leads { font-size: 12px; color: var(--text-2); }
.bar { height: 6px; border-radius: 999px; background: var(--surface-3); overflow: hidden; border: 1px solid var(--border); }
.bar > span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }
.wcard .row { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-3); }
.mini { display: flex; gap: 14px; }
.mini b { color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------- world detail ---------- */
.detail-head { padding: 22px; margin-bottom: 16px; }
.detail-head h1 { margin: 8px 0 6px; font-size: 28px; letter-spacing: -0.02em; }
.kv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 16px; }
.kv .b { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 13px; }
.kv .b .l { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); font-weight: 700; }
.kv .b .v { font-size: 20px; font-weight: 800; margin-top: 3px; font-variant-numeric: tabular-nums; }
.panel { padding: 18px; margin-bottom: 16px; }
.panel h3 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); }
.note-txt { color: var(--text-2); font-size: 14px; white-space: pre-wrap; }
.linklist { display: flex; flex-wrap: wrap; gap: 8px; }
.linklist a { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2); color: var(--text); font-size: 13px; font-weight: 600; }
.linklist a:hover { border-color: var(--text-3); text-decoration: none; }

/* live pipeline */
.pipe { display: flex; flex-direction: column; gap: 8px; }
.pipe .row { display: grid; grid-template-columns: 150px 1fr 40px; align-items: center; gap: 10px; font-size: 13px; }
.pipe .seg { height: 16px; border-radius: 5px; border: 1px solid var(--border); }
.pipe .lbl { color: var(--text-2); }
.pipe .ct { text-align: right; color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- misc ---------- */
.empty { text-align: center; color: var(--text-3); padding: 40px; }
.spinner { width: 20px; height: 20px; border: 2px solid var(--border-2); border-top-color: var(--text); border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
footer { border-top: 1px solid var(--border); color: var(--text-3); font-size: 13px; padding: 22px 0 40px; }
.foot-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .stat-strip { grid-template-columns: repeat(3, 1fr); }
  .grid-2, .steps, .launch, .worlds { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 31px; }
  .stat-strip, .grid-2, .steps, .launch, .worlds { grid-template-columns: 1fr; }
  .nav-links .nav-link.hide-sm { display: none; }
}