/* ═══════════════════════════════════════════════════════════
   studio — portal · Google AI Studio design language
   dark #121317 · surfaces #1a1b1f/#212226 · accent blue #2E96FF
   Google Sans Flex (display) · Inter (body) · Google Sans Code (mono)
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #121317;
  --bg-deep: #0e0f12;
  --surface: #1a1b1f;
  --surface-2: #212226;
  --border: rgba(255,255,255,0.09);
  --border-strong: rgba(255,255,255,0.15);
  --text: #e8eaed;
  --white: #ffffff;
  --text-2: #9aa0a6;
  --text-3: #6b7076;
  --blue: #2e96ff;
  --blue-bright: #6bb6ff;
  --blue-soft: rgba(46,150,255,0.14);
  --blue-border: rgba(46,150,255,0.42);
  --amber: #f9ab00;
  --green: #5bd18b;
  --disp: "Google Sans Flex", "Google Sans", -apple-system, sans-serif;
  --sans: "Inter", -apple-system, "Helvetica Neue", sans-serif;
  --mono: "Google Sans Code", "Roboto Mono", Menlo, monospace;
}
html[data-theme="light"] {
  --bg: #f8f9fa;
  --bg-deep: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f3f4;
  --border: rgba(0,0,0,0.10);
  --border-strong: rgba(0,0,0,0.18);
  --text: #202124;
  --white: #111114;
  --text-2: #5f6368;
  --text-3: #80868b;
  --blue: #1a73e8;
  --blue-bright: #1967d2;
  --blue-soft: rgba(26,115,232,0.10);
  --blue-border: rgba(26,115,232,0.40);
  --amber: #b06000;
  --green: #188038;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.006em;
  transition: background .25s, color .25s;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }

/* ── Gate ─────────────────────────────────────────────── */
.gate {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(1100px 560px at 72% -10%, rgba(46,150,255,0.14), transparent 62%),
    radial-gradient(820px 480px at 8% 112%, rgba(46,150,255,0.06), transparent 60%),
    var(--bg);
  padding: 24px;
}
.gate-card { width: 100%; max-width: 400px; text-align: center; }
.gate-mark {
  font-family: var(--mono); font-size: 14px; letter-spacing: 0.32em;
  color: var(--text-2); text-transform: uppercase; margin-bottom: 22px;
}
.gate-mark span { color: var(--blue); }
.gate-title { font-family: var(--disp); font-size: 32px; font-weight: 500; letter-spacing: -0.02em; color: var(--white); }
.gate-sub { color: var(--text-2); font-size: 14px; margin: 8px 0 26px; }
.gate input {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border-strong);
  border-radius: 10px; background: var(--surface); outline: none; text-align: center;
  font-family: var(--mono); font-size: 15px;
}
.gate input:focus { border-color: var(--blue-border); }
.gate input::placeholder { color: var(--text-3); }
.gate button {
  margin-top: 12px; width: 100%; padding: 13px;
  border: none; border-radius: 10px; background: var(--blue); color: #fff; font-weight: 500; cursor: pointer;
}
.gate button:hover { background: var(--blue-bright); }

/* ── Topbar ───────────────────────────────────────────── */
.topbar { border-bottom: 1px solid var(--border); background: var(--bg-deep); }
.topbar-in {
  max-width: 860px; margin: 0 auto; padding: 14px clamp(20px, 4vw, 40px);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.wordmark { font-family: var(--mono); font-size: 13px; }
.wm-a { color: var(--text-2); }
.wm-sep { color: var(--text-3); margin: 0 2px; }
.wm-b { color: var(--blue); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-link { font-family: var(--mono); font-size: 12px; color: var(--text-2); }
.topbar-link:hover { color: var(--blue-bright); }
.foot-link { color: var(--text-3); }
.foot-link:hover { color: var(--blue-bright); }
.theme-btn {
  width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-2); font-size: 14px; line-height: 1; cursor: pointer;
}
.theme-btn:hover { border-color: var(--blue-border); color: var(--blue-bright); }

/* ── Layout ───────────────────────────────────────────── */
main { max-width: 860px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px) 60px; }
.hero { padding: clamp(40px, 8vh, 84px) 0 8px; }
.hero h1 {
  font-family: var(--disp); font-weight: 500;
  font-size: clamp(30px, 4.6vw, 48px); letter-spacing: -0.025em; color: var(--white);
}
.hero p { max-width: 560px; margin-top: 12px; color: var(--text-2); }

.group { padding-top: 38px; }
.group.first { padding-top: clamp(28px, 5vh, 48px); }
.group h2 {
  font-family: var(--mono); font-weight: 500; font-size: 12px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
  margin-bottom: 10px;
}
.row {
  position: relative;
  display: grid; align-items: baseline; column-gap: 14px; row-gap: 2px;
  grid-template-columns: 150px 1fr auto;
  grid-template-areas: "name desc host" "name subs host";
  padding: 13px 16px; margin: 0 -16px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.row:hover { background: var(--surface); border-color: var(--border); }
.row:hover .row-name { color: var(--blue-bright); }
.row-stretch { position: absolute; inset: 0; z-index: 0; border-radius: 12px; }
.row-namelink { grid-area: name; position: relative; z-index: 1; }
.row-name { font-family: var(--disp); font-weight: 500; font-size: 16px; color: var(--white); transition: color .15s; }
.row-desc { grid-area: desc; color: var(--text-2); font-size: 14px; }
.row-host { grid-area: host; font-family: var(--mono); font-size: 11.5px; color: var(--text-3); white-space: nowrap; }
.pill {
  font-style: normal; font-family: var(--mono); border-radius: 999px; padding: 1px 8px;
  margin-left: 6px; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
}
.pill.restricted { color: var(--amber); border: 1px solid color-mix(in srgb, var(--amber) 40%, transparent); }
.pill.passcode { color: var(--blue-bright); border: 1px solid var(--blue-border); }
.pill.open { color: var(--green); border: 1px solid color-mix(in srgb, var(--green) 40%, transparent); }
.row-subs { grid-area: subs; display: flex; gap: 6px; margin-top: 4px; position: relative; z-index: 1; }
.row-subs a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--blue-bright);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px;
}
.row-subs a:hover { border-color: var(--blue-border); background: var(--blue-soft); }

.foot {
  margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--border);
  font-family: var(--mono); font-size: 12px; color: var(--text-3);
}

/* ── Mobile ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .row {
    grid-template-columns: 1fr;
    grid-template-areas: "name" "desc" "subs" "host";
  }
  .row-host { margin-top: 4px; }
}