:root {
  --bg: #0b0f14;
  --panel: #121821;
  --border: #22303f;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #3fb950;
  --accent-dim: #234d2c;
  --danger: #f85149;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rate-widget {
  font-variant-numeric: tabular-nums;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .layout { grid-template-columns: 1fr 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (min-width: 900px) {
  .panel-wide { grid-column: 1 / -1; }
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 480px;
}

.settings-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.settings-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  color: var(--text);
  font-family: inherit;
  width: 140px;
}

.settings-hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

.settings-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.settings-status {
  font-size: 0.85rem;
  color: var(--accent);
}

.settings-status.error {
  color: var(--danger);
}

.btn {
  background: var(--accent);
  color: #05170a;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th, .table td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--border);
}

.table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.table tr:hover td { background: rgba(255,255,255,0.02); }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.75rem;
}

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: min(420px, 90vw);
}

dialog::backdrop { background: rgba(0,0,0,0.6); }

.form { display: flex; flex-direction: column; gap: 10px; }

.form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.form input, .form select, .form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  color: var(--text);
  font-family: inherit;
}

.form select option {
  background: var(--bg);
  color: var(--text);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.85rem;
}