:root {
  --bg: #0f1b2d;
  --panel: #16263d;
  --border: #27405f;
  --text: #e8eef5;
  --muted: #8ba0ba;
  --accent: #4f9cff;
  --danger: #e5484d;
  --ok: #30a46c;
  --warn: #e2a336;
}

* {
  box-sizing: border-box;
}

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

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

header h1 {
  font-size: 18px;
  margin: 0;
}

nav {
  display: flex;
  gap: 8px;
}

.nav-btn,
button {
  font: inherit;
  cursor: pointer;
}

.nav-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
}

.nav-btn.active {
  color: var(--text);
  border-color: var(--accent);
}

main {
  padding: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.supported-note {
  max-width: 960px;
  margin: 16px auto -8px;
  padding: 10px 16px;
  background: rgba(79, 156, 255, 0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
}

.supported-note code {
  color: var(--text);
  font-size: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 13px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge.start {
  background: rgba(48, 163, 108, 0.2);
  color: var(--ok);
}

.badge.stop {
  background: rgba(139, 160, 186, 0.2);
  color: var(--muted);
}

button.primary {
  background: var(--accent);
  color: #04101f;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-weight: 600;
}

button.danger {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-weight: 600;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

label {
  display: block;
  margin: 12px 0 4px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font: inherit;
}

textarea {
  min-height: 160px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

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

.stepper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.stepper button {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
}

.muted {
  color: var(--muted);
}

.readiness {
  display: flex;
  gap: 20px;
  margin: 8px 0;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.dot.ok {
  background: var(--ok);
}

.dot.no {
  background: var(--danger);
}

.actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.link {
  color: var(--accent);
  text-decoration: none;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  max-width: 80%;
}

.toast.err {
  border-color: var(--danger);
}

.hidden {
  display: none;
}

.hint {
  font-size: 12px;
  margin-top: 4px;
}

.hint.ok {
  color: var(--ok);
}

.hint.err {
  color: var(--danger);
}