:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --text: #1d1b19;
  --muted: #6c655d;
  --line: #e3ddd4;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --ok: #15803d;
  --warn: #b45309;
  --err: #b91c1c;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171513;
    --surface: #221f1c;
    --text: #f3eee8;
    --muted: #a39a90;
    --line: #37322d;
    --accent: #f97316;
    --accent-ink: #1a0d04;
    --ok: #4ade80;
    --warn: #fbbf24;
    --err: #f87171;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
[x-cloak] { display: none !important; }

.wrap { max-width: 560px; margin: 0 auto; padding: 16px; }
.wrap.wide { max-width: 1200px; }
h1 { font-size: 1.6rem; margin: 8px 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
.sub { color: var(--muted); margin: 0 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

label { display: block; font-weight: 600; font-size: 0.9rem; margin: 10px 0 4px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { min-height: 140px; }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-weight: 600;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.danger { color: var(--err); border-color: var(--err); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.block { width: 100%; margin-top: 14px; }
button.sm { min-height: 34px; padding: 6px 10px; font-size: 0.875rem; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1 1 auto; }
.row > .shrink { flex: 0 0 auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }

.alert { padding: 10px 12px; border-radius: 10px; margin: 10px 0; border: 1px solid; }
.alert.err { color: var(--err); border-color: var(--err); }
.alert.ok { color: var(--ok); border-color: var(--ok); }
.alert.warn { color: var(--warn); border-color: var(--warn); }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 600; border: 1px solid var(--line); }
.pill.drawn { color: var(--warn); border-color: var(--warn); }
.pill.claimed { color: var(--ok); border-color: var(--ok); }
.pill.unclaimed { color: var(--muted); }

.big-number { font-size: 2.6rem; font-weight: 800; line-height: 1; }
.code { font-size: 3rem; font-weight: 800; letter-spacing: 0.2em; font-variant-numeric: tabular-nums; }

.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 10px; }
.tabs button { flex: 0 0 auto; min-height: 38px; }
.tabs button.on { background: var(--text); color: var(--bg); border-color: var(--text); }

table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--bg); }
.table-scroll { overflow-x: auto; }

.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--err); margin-right: 6px; }
.status-dot.on { background: var(--ok); }

.win-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--accent); color: var(--accent-ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 24px; text-align: center;
  animation: pop 0.4s ease-out;
}
.win-overlay h1 { font-size: 2.4rem; }
.win-overlay .code { background: rgba(0,0,0,0.15); border-radius: 16px; padding: 8px 20px; margin: 16px 0; }
.win-overlay button { margin-top: 20px; background: var(--accent-ink); color: var(--accent); border: none; }
@keyframes pop { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 40; display: flex; align-items: flex-start; justify-content: center; padding: 16px; overflow-y: auto; }
.modal { background: var(--surface); border-radius: var(--radius); padding: 18px; width: 100%; max-width: 560px; margin-top: 4vh; }

.topbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; }