:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e8eaef;
  --muted: #8b92a3;
  --accent: #d97757;
  --accent-ink: #1a0f0a;
  --ok: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --info: #60a5fa;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
  min-height: 100vh;
}

.top {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 17px; margin: 0; font-weight: 650; letter-spacing: .01em; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }

main { max-width: 640px; margin: 0 auto; padding: 16px; }
.muted { color: var(--muted); }
.error { color: var(--bad); min-height: 1.4em; margin: 10px 0 0; }

/* ---- login */
.login form {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 18px; margin-top: 8vh;
}
.login h2 { margin: 0 0 4px; font-size: 22px; }
.login p { margin: 0 0 18px; }
label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
input[type=password] {
  width: 100%; font: inherit; font-size: 17px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 13px 14px; margin-bottom: 14px; outline: none;
}
input[type=password]:focus { border-color: var(--accent); }

/* ---- buttons */
button, .open {
  font: inherit; font-weight: 600; border-radius: 11px; border: 1px solid transparent;
  padding: 12px 14px; min-height: 46px; cursor: pointer; color: var(--text);
  background: var(--surface-2); touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button:disabled { opacity: .45; cursor: default; }
button:active:not(:disabled) { transform: scale(.98); }
.primary { background: var(--accent); color: var(--accent-ink); }
.ghost { background: transparent; border-color: var(--border); }
.danger-outline { background: transparent; border-color: color-mix(in srgb, var(--bad) 55%, transparent); color: var(--bad); }
.small { min-height: 36px; padding: 7px 12px; font-size: 14px; }
.login .primary { width: 100%; }
button:focus-visible, .open:focus-visible, summary:focus-visible { outline: 2px solid var(--info); outline-offset: 2px; }

/* ---- cards */
.cards { display: grid; gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; display: grid; gap: 12px;
}
.card[data-status=online] { border-color: color-mix(in srgb, var(--ok) 35%, var(--border)); }
.card[data-status=confirm] { border-color: color-mix(in srgb, var(--warn) 50%, var(--border)); }
.card[data-status=crashed] { border-color: color-mix(in srgb, var(--bad) 45%, var(--border)); }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.card h2 { margin: 0; font-size: 18px; }
.dir { margin: 2px 0 0; font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }

.badge {
  flex: none; display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.badge[data-s=online] { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.badge[data-s=starting], .badge[data-s=stopping] { color: var(--info); background: color-mix(in srgb, var(--info) 12%, transparent); }
.badge[data-s=starting]::before, .badge[data-s=stopping]::before { animation: pulse 1.2s ease-in-out infinite; }
.badge[data-s=confirm] { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.badge[data-s=crashed] { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
@keyframes pulse { 50% { opacity: .25; } }

.confirm {
  background: color-mix(in srgb, var(--warn) 8%, var(--surface-2));
  border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent);
  border-radius: 11px; padding: 12px; display: grid; gap: 10px;
}
.prompt { margin: 0; font: 14px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-word; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.actions { display: flex; flex-wrap: wrap; }
.actions > button { flex: 1 1 40%; }
.actions [data-action=start] { flex-basis: 100%; }

.open-wrap { display: grid; gap: 8px; }
.open {
  display: flex; align-items: center; justify-content: center;
  min-height: 60px; font-size: 18px; text-decoration: none;
  background: var(--ok); color: #052e14; border-radius: 13px;
  box-shadow: 0 6px 24px -10px var(--ok);
}
.copy { justify-self: center; }

.note { margin: 0; font-size: 14px; }
.note:empty { display: none; }

.term summary { cursor: pointer; color: var(--muted); font-size: 14px; padding: 4px 0; }
.term pre {
  margin: 8px 0 0; padding: 10px; max-height: 50vh; overflow: auto;
  background: #0a0b0e; border: 1px solid var(--border); border-radius: 10px;
  font: 12px/1.35 ui-monospace, SFMono-Regular, Menlo, monospace; color: #c9cdd6;
  white-space: pre-wrap; word-break: break-all;
}

.banner {
  margin: 0 0 14px; padding: 10px 12px; border-radius: 10px; font-size: 14px;
  background: color-mix(in srgb, var(--bad) 12%, var(--surface)); border: 1px solid color-mix(in srgb, var(--bad) 35%, transparent);
}
.foot { text-align: center; font-size: 12px; margin-top: 18px; }

@media (min-width: 560px) {
  .actions [data-action=start] { flex: 2 1 0; }
  .actions > button { flex: 1 1 0; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; } }