/* ── Auth pages (login, admin) ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body.auth-body {
  min-height: 100vh;
  background: #f0f4f8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.auth-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,0.10);
  padding: 40px 44px;
  width: 100%;
  max-width: 420px;
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.auth-logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a3a5c;
  letter-spacing: 0.2px;
}

.auth-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a3a5c;
  margin-bottom: 20px;
}

.auth-hint {
  font-size: 0.85rem;
  color: #5a6a7e;
  margin-bottom: 20px;
  line-height: 1.5;
}

.auth-field {
  margin-bottom: 16px;
}

.auth-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 5px;
}

.auth-field input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}

.auth-field input:focus {
  border-color: #1a3a5c;
  box-shadow: 0 0 0 3px rgba(26,58,92,0.12);
}

.auth-btn {
  width: 100%;
  padding: 10px;
  background: #1a3a5c;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 6px;
  transition: background 0.15s;
}

.auth-btn:hover:not(:disabled) { background: #234f7a; }
.auth-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.auth-error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.auth-success {
  background: #f0fdf4;
  border: 1px solid #86efac;
  color: #166534;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.auth-qr-wrap {
  display: flex;
  justify-content: center;
  margin: 16px 0 12px;
}

.auth-qr-wrap img {
  width: 180px;
  height: 180px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 4px;
}

.auth-secret-label {
  font-size: 0.78rem;
  color: #6b7280;
  text-align: center;
  margin-bottom: 4px;
}

.auth-secret-code {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 8px 12px;
  text-align: center;
  letter-spacing: 2px;
  word-break: break-all;
  margin-bottom: 16px;
  color: #1a3a5c;
}

.hidden { display: none !important; }