.admin-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 2rem;
}

.admin-login-card {
  max-width: 400px;
  margin: 2rem auto;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.admin-toolbar label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.admin-toolbar select {
  max-width: 200px;
  margin: 0;
}

.admin-toolbar-actions {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 800px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.5rem;
  position: sticky;
  top: 1rem;
}

@media (max-width: 800px) {
  .admin-nav {
    flex-direction: row;
    flex-wrap: wrap;
    position: static;
  }
}

.admin-nav button {
  text-align: left;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
}

.admin-nav button:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.admin-nav button.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

.admin-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.admin-card .card-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.stat-card .stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-alert {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-muted);
  font-size: 0.88rem;
}

.admin-alert.success {
  border-color: #9fd4b8;
  background: #edf9f2;
  color: #1a5c38;
}

.admin-alert.error {
  border-color: #f0b8b8;
  background: #fef2f2;
  color: #9b2c2c;
}

.admin-alert.warn {
  border-color: #f5d0a8;
  background: var(--warn-bg);
  color: var(--warn);
}

.trypcode-result-panel {
  margin: 0.75rem 0 1rem;
}

.trypcode-box {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  margin-top: 0.5rem;
}

.trypcode-box input,
.trypcode-box code {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.5rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  word-break: break-all;
}

.form-grid {
  display: grid;
  gap: 0.75rem;
}

.form-grid.two-col {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 600px) {
  .form-grid.two-col {
    grid-template-columns: 1fr;
  }
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-row label {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-row input,
.form-row select {
  max-width: none;
  margin: 0;
}

.form-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

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

button.secondary:hover {
  background: var(--accent-soft);
}

.board-delete-section {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.board-delete-section .danger {
  width: 100%;
}

.board-delete-section .hint {
  margin: 0.5rem 0 0;
}

button.danger {
  background: #c53030;
}

button.danger:hover {
  background: #9b2c2c;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  background: var(--surface-muted);
  color: var(--text-secondary);
  font-weight: 600;
}

.lead-plan-badge {
  display: inline-block;
  margin-top: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #1e3a5f;
  color: #93c5fd;
}

.data-table tr:nth-child(even) td {
  background: var(--surface-muted);
}

.table-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.table-actions button {
  margin: 0;
  padding: 0.3rem 0.55rem;
  font-size: 0.75rem;
}

.bucket-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  margin: 0.15rem 0.35rem 0.15rem 0;
}

.bucket-chip .swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.preset-buckets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.badge-ok {
  color: var(--success);
  font-weight: 600;
  font-size: 0.82rem;
}

.sign-in-badges {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
}

.auth-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.12rem 0.42rem;
  border-radius: 4px;
  line-height: 1.2;
  white-space: nowrap;
}

.auth-badge-sso {
  background: #dbeafe;
  color: #1e3a8a;
}

.auth-badge-trypcode {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.admin-logout-form {
  margin-left: auto;
}

.admin-logout-form button {
  margin: 0;
}

.empty-state {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 1rem;
  text-align: center;
  background: var(--surface-muted);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}