:root {
  --text: #1f2937;
  --text-secondary: #6b7280;
  --bg: #fafafa;
  --surface: #ffffff;
  --tint: #0f766e;
  --success: #10b981;
  --error: #ef4444;
  --verify: #2563eb;
  --border: #e5e7eb;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a {
  color: var(--tint);
}

.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 32px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--tint);
  margin: 0 0 4px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-top: 12px;
}

.muted {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin: 12px 0 4px;
}

.label:first-child {
  margin-top: 0;
}

.items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.items li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.items li:last-child {
  border-bottom: none;
}

.btn-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

button,
.btn {
  display: block;
  width: 100%;
  border: none;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--tint);
  color: #fff;
}

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

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

.btn-danger-outline {
  background: var(--surface);
  color: var(--error);
  border: 1px solid var(--error);
}

.state-box {
  text-align: center;
  padding: 32px 12px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--tint);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.toast-host {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 16px;
  pointer-events: none;
}

.toast {
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  pointer-events: auto;
}

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

.toast.info {
  border-color: var(--verify);
}

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

.banner {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.banner-warn {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

.invite {
  margin-top: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

footer.links {
  margin-top: 24px;
  font-size: 0.85rem;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}