:root {
  --color-bg: #f6f7fb;
  --color-border: #d9dce5;
  --color-primary: #005eb8;
  --color-primary-light: #e0f0ff;
  --color-success: #2e7d32;
  --color-warning: #f9a825;
  --color-danger: #d32f2f;
  --color-text: #243043;
  --font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-family);
  line-height: 1.6;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.page__header h1 {
  margin-bottom: 0.5rem;
  font-size: 1.875rem;
}

.page__header p {
  margin-top: 0;
  color: #4a5a72;
}

.panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 24px;
  box-shadow: 0 6px 20px rgba(36, 48, 67, 0.08);
}

.panel h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field-group label {
  font-weight: 600;
  color: #1f2937;
}

input,
select,
button,
textarea {
  font-family: inherit;
}

input,
select {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  background-color: #4b5563;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.button.primary {
  background-color: var(--color-primary);
}

.button.danger {
  background-color: var(--color-danger);
}

.button:disabled {
  background-color: #b0b8c4;
  cursor: not-allowed;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

th {
  background-color: #eef3fb;
  font-weight: 600;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background-color: #e5edf6;
  color: #3b4a62;
  font-size: 0.85rem;
  font-weight: 600;
}

.tag--danger {
  background-color: #fdecea;
  color: var(--color-danger);
}

.message {
  min-height: 24px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background-color: #f1f5f9;
  color: #1e293b;
  border: 1px dashed transparent;
}

.message--success {
  background-color: #e8f5e9;
  color: var(--color-success);
  border-color: rgba(46, 125, 50, 0.3);
}

.message--warning {
  background-color: #fff9e6;
  color: var(--color-warning);
  border-color: rgba(249, 168, 37, 0.35);
}

.message--error {
  background-color: #fdecea;
  color: var(--color-danger);
  border-color: rgba(211, 47, 47, 0.35);
}

.message--info {
  background-color: #e8f1fc;
  color: var(--color-primary);
  border-color: rgba(0, 94, 184, 0.3);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  align-items: end;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.admin-only {
  position: relative;
}

.admin-only--locked::after {
  content: '請先切換到管理者身份';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--color-primary);
  border-radius: 12px;
}

.admin-actions {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.transaction-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.transaction-list li {
  background-color: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 16px;
}

.hint {
  margin-top: 8px;
  font-size: 0.9rem;
  color: #64748b;
}

.page__footer {
  text-align: center;
  margin-top: 40px;
  color: #758199;
  font-size: 0.9rem;
}

/* 搜尋與篩選區塊 */
.search-panel {
  background-color: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.search-controls {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto auto;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.search-input {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.export-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.export-controls .button {
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 1024px) {
  .search-controls {
    grid-template-columns: 1fr;
  }
}

/* MVP UI 元素樣式 */

/* Locker Grid - 置物櫃網格佈局 */
.locker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.locker-card {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.locker-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 94, 184, 0.15);
  transform: translateY(-2px);
}

.locker-card h3 {
  margin: 0 0 8px 0;
  color: var(--color-primary);
  font-size: 1.1rem;
}

.locker-card p {
  margin: 4px 0;
  font-size: 0.9rem;
  color: #4a5a72;
}

.locker-card .badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 8px;
}

/* Stats Grid - 統計卡片網格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

.stat-card {
  background: linear-gradient(135deg, #f8fafc 0%, #eef2f7 100%);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.stat-card h4 {
  margin: 0 0 8px 0;
  color: #64748b;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 8px 0;
}

.stat-card.stat-card--success .stat-value {
  color: var(--color-success);
}

.stat-card.stat-card--danger .stat-value {
  color: var(--color-danger);
}

.stat-card.stat-card--warning .stat-value {
  color: var(--color-warning);
}

/* Serial Card - 序號詳細資訊卡片 */
.serial-card {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  margin-top: 16px;
}

.serial-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.serial-header h3 {
  margin: 0;
  color: var(--color-primary);
  font-size: 1.3rem;
}

.serial-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.serial-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.serial-info-item label {
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
}

.serial-info-item .value {
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
}

/* History List - 交易歷史清單 */
.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.history-item {
  background: #f8fafc;
  border-left: 4px solid var(--color-primary);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.history-item:hover {
  background: #eef2f7;
  border-left-width: 6px;
}

.history-item .history-time {
  font-size: 0.85rem;
  color: #64748b;
  margin-bottom: 4px;
}

.history-item .history-action {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.history-item .history-details {
  font-size: 0.9rem;
  color: #4a5a72;
}

/* Badge 標籤樣式 */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-success {
  background-color: #e8f5e9;
  color: var(--color-success);
}

.badge-danger {
  background-color: #fdecea;
  color: var(--color-danger);
}

.badge-warning {
  background-color: #fff9e6;
  color: var(--color-warning);
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-info {
  background-color: #e0f2fe;
  color: #0284c7;
}

.badge-secondary {
  background-color: #f1f5f9;
  color: #475569;
}

/* Navigation Cards - 導航卡片 */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.nav-card {
  background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 94, 184, 0.2);
  transform: translateY(-4px);
}

.nav-card .nav-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.nav-card h3 {
  margin: 0 0 8px 0;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.nav-card p {
  margin: 0;
  color: #64748b;
  font-size: 0.95rem;
}

/* Form 樣式 */
details {
  border: 2px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
  background: #f8fafc;
}

details summary {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 8px;
  margin: -8px -8px 16px -8px;
  border-radius: 8px;
}

details summary:hover {
  background: #eef2f7;
}

details[open] summary {
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 16px;
}

.text-small {
  font-size: 0.9rem;
  color: #64748b;
}

/* 響應式設計調整 */
@media (max-width: 768px) {
  .page {
    padding: 16px 12px 40px;
  }

  .page__header h1 {
    font-size: 1.5rem;
  }

  th,
  td {
    font-size: 0.85rem;
    padding: 8px;
  }
  
  .search-controls {
    grid-template-columns: 1fr;
  }
  
  .export-controls {
    flex-direction: column;
  }
  
  .locker-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .serial-info {
    grid-template-columns: 1fr;
  }
  
  .nav-grid {
    grid-template-columns: 1fr;
  }

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

  .button {
    width: 100%;
    margin-bottom: 8px;
  }

  details {
    padding: 12px;
  }
}

/* 行動裝置優化 - 大按鈕 */
@media (max-width: 480px) {
  .button {
    padding: 14px 18px;
    font-size: 1.1rem;
  }

  input,
  select {
    padding: 12px;
    font-size: 1rem;
  }

  .nav-card {
    padding: 20px;
  }

  .nav-card .nav-icon {
    font-size: 2.5rem;
  }
}

/* ============================================================================
   Admin Section Styles
   ============================================================================ */

/* 角色徽章 */
.role-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
}

.role-badge.role-admin {
  background: #dc2626;
  color: #fff;
}

.role-badge.role-manager {
  background: #2563eb;
  color: #fff;
}

.role-badge.role-provision {
  background: #16a34a;
  color: #fff;
}

.role-badge.role-field_engineer {
  background: #f59e0b;
  color: #000;
}

.role-badge.role-readonly {
  background: #6b7280;
  color: #fff;
}

/* 狀態徽章 */
.status-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

.status-badge.status-active {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.status-badge.status-inactive {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.status-badge.status-locked {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.status-badge.status-unlocked {
  background: #e0f2fe;
  color: #075985;
  border: 1px solid #7dd3fc;
}

/* 表單網格 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

/* 操作按鈕群組 */
.action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-small {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.button-secondary {
  background-color: #6b7280;
}

.button-secondary:hover {
  background-color: #4b5563;
}

.button-success {
  background-color: #16a34a;
}

.button-success:hover {
  background-color: #15803d;
}

.button-warning {
  background-color: #f59e0b;
  color: #000;
}

.button-warning:hover {
  background-color: #d97706;
}

.button-danger {
  background-color: #dc2626;
}

.button-danger:hover {
  background-color: #b91c1c;
}

/* 表格樣式增強 */
table {
  border-collapse: collapse;
  width: 100%;
}

table th {
  background: #f1f5f9;
  padding: 12px;
  text-align: left;
  border-bottom: 2px solid #e2e8f0;
  font-weight: 600;
  color: #1e293b;
}

table td {
  padding: 12px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}

table tbody tr:hover {
  background-color: #f8fafc;
}

/* 手機版表格優化 */
@media (max-width: 768px) {
  .action-buttons {
    flex-direction: column;
  }
  
  .button-small {
    width: 100%;
  }
  
  table {
    font-size: 0.85rem;
  }
  
  table th,
  table td {
    padding: 8px;
  }
}

/* ============================================================================
   Audit Log Section Styles
   ============================================================================ */

/* 統計卡片 */
.stat-card {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* 成功/失敗徽章 */
.status-badge.status-success {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.status-badge.status-failure {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* 按鈕禁用狀態 */
.button-disabled {
  background-color: #d1d5db !important;
  cursor: not-allowed !important;
  opacity: 0.6;
}

.button-disabled:hover {
  background-color: #d1d5db !important;
  transform: none !important;
}