:root {
  --bg: #0a0a0a;
  --card: #141414;
  --silver: #a8a8a8;
  --white: #f5f5f5;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --gold: #d4af37;
  --blue: #3b82f6;
  --border: #2a2a2a;
  font-family: "Segoe UI", Tahoma, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--white);
  min-height: 100%;
}
body { padding: 0; }

.app { max-width: 720px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }

.header {
  padding: 16px 18px 8px;
  border-bottom: 1px solid var(--border);
}
.header h1 { margin: 0; font-size: 1.25rem; }
.status { color: var(--silver); font-size: 0.9rem; margin-top: 4px; }
.linkish {
  background: none; border: none; color: var(--green); cursor: pointer;
  padding: 8px 0; font-size: 0.95rem; text-align: start;
}
.details { display: none; padding-top: 8px; }
.details.open { display: block; }
.help { color: var(--silver); font-size: 0.8rem; line-height: 1.45; margin: 8px 0; }

.btn {
  display: block; width: 100%; border: 1px solid var(--gold);
  border-radius: 8px; padding: 12px 14px; margin-top: 10px;
  font-size: 1rem; cursor: pointer;
  background: var(--gold); color: #0a0a0a; font-weight: 600;
}
.btn:disabled,
.btn[disabled] {
  background: #0a0a0a; color: var(--gold); border-color: var(--gold);
  opacity: 1; cursor: not-allowed;
}
.btn-green, .btn-red, .btn-blue, .btn-ghost {
  background: var(--gold); color: #0a0a0a; border: 1px solid var(--gold);
}
.btn-green:disabled, .btn-red:disabled, .btn-blue:disabled, .btn-ghost:disabled,
.btn-green[disabled], .btn-red[disabled], .btn-blue[disabled], .btn-ghost[disabled] {
  background: #0a0a0a; color: var(--gold); border-color: var(--gold);
}

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 12px;
}
.stat label { display: block; color: var(--silver); font-size: 0.7rem; }
.stat strong { font-size: 1rem; }

.clock {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.95rem; margin-top: 4px;
}

.tabs {
  display: flex; overflow-x: auto; gap: 2px; border-bottom: 1px solid var(--border);
  padding: 0 8px; background: var(--bg);
}
.tab {
  background: transparent; border: none; color: var(--silver); padding: 12px 14px;
  cursor: pointer; white-space:nowrap; border-bottom: 2px solid transparent;
}
.tab.active { color: var(--white); border-bottom-color: var(--green); }

.panel { display: none; padding: 14px 18px 40px; flex: 1; }
.panel.active { display: block; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; margin-bottom: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.mono { font-family: ui-monospace, Consolas, monospace; word-break: break-all; font-size: 0.85rem; }

input, textarea {
  width: 100%; background: #0d0d0d; border: 1px solid var(--border); color: var(--white);
  border-radius: 8px; padding: 10px; margin-top: 6px;
}
textarea { min-height: 90px; resize: vertical; }

.console {
  background: #050505; border: 1px solid var(--border); border-radius: 8px;
  padding: 10px; height: 220px; overflow: auto; font-family: ui-monospace, Consolas, monospace;
  font-size: 0.78rem; line-height: 1.4;
}
.console .ok { color: var(--green); }
.console .warn { color: var(--yellow); }
.console .err { color: var(--red); }
.console .info { color: var(--silver); }

.row { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.row label { flex: 1; color: var(--silver); font-size: 0.9rem; }
.switch { width: 48px; height: 28px; }

.history-item {
  border-top: 1px solid var(--border); padding: 10px 0; font-size: 0.85rem;
}
.history-item:first-child { border-top: none; }
.badge-in { color: var(--green); }
.badge-out { color: var(--red); }

.onboard {
  padding: 24px 18px; max-width: 520px; margin: 0 auto;
}
.onboard h2 { margin-top: 0; }
.seed-box {
  background: #111; border: 1px dashed var(--yellow); border-radius: 8px;
  padding: 12px; margin: 12px 0; font-family: ui-monospace, Consolas, monospace;
}
.notice {
  background: #1a1508; border: 1px solid #5c4b12; color: #f0e2a0;
  border-radius: 8px; padding: 10px; font-size: 0.85rem; margin: 10px 0;
}
.hidden { display: none !important; }

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 12px;
  margin-top: 8px;
}
.overview-grid .stat label { margin-bottom: 2px; }

.banner-pending {
  margin-top: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #1a1508;
  border: 1px solid #5c4b12;
  color: var(--yellow);
  font-size: 0.85rem;
}
.banner-sync {
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: #0d1117;
  border: 1px solid var(--border);
  color: var(--silver);
  font-size: 0.85rem;
}
.pending-hint { color: var(--yellow); margin-top: 4px; margin-bottom: 0; }
.badge-pending {
  color: var(--yellow);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 4px;
}
.badge-confirming {
  color: #7ec8ff;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 4px;
}
.badge-confirmed {
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 4px;
}
.history-item .help {
  display: inline;
  margin-left: 4px;
  font-size: 0.75rem;
  color: var(--silver);
}