/* ===================================================
   北羿後台管理介面 — Admin Dashboard Styles
   Navy + Gold 品牌延續 + 現代 Glassmorphism
   =================================================== */

/* --- Admin Layout --- */
.admin-layout {
  display: flex;
  min-height: 100vh;
  background: var(--off-white);
}

/* --- Sidebar --- */
.admin-sidebar {
  width: 260px;
  min-height: 100vh;
  background: linear-gradient(180deg, #0a1628 0%, #0d1f3c 40%, #162d55 100%);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  box-shadow: 4px 0 24px rgba(0,0,0,0.3);
  transition: transform 0.3s var(--ease-out);
}

.admin-sidebar-header {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

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

.admin-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--navy);
  box-shadow: 0 4px 12px rgba(201, 168, 76, 0.3);
}

.admin-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}

.admin-logo-text span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  letter-spacing: 2px;
  margin-top: 2px;
}

/* --- Navigation --- */
.admin-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.admin-nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.9);
}

.admin-nav-item.active {
  background: linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(201, 168, 76, 0.05));
  color: var(--gold);
  font-weight: 600;
  border: 1px solid rgba(201, 168, 76, 0.25);
}

.admin-nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.admin-nav-divider {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: 12px 8px;
}

/* --- Sidebar Footer --- */
.admin-sidebar-footer {
  padding: 16px 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.admin-avatar {
  width: 36px;
  height: 36px;
  background: rgba(201, 168, 76, 0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.admin-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
}

.admin-user-role {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
}

.admin-logout-btn {
  width: 100%;
  padding: 8px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  color: #f87171;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.admin-logout-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: rgba(239, 68, 68, 0.4);
}

/* --- Main Content --- */
.admin-main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
}

.admin-page-header {
  margin-bottom: 28px;
}

.admin-page-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-page-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 6px;
}

/* --- Data Cards --- */
.admin-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.admin-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(201, 168, 76, 0.15);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1), 0 0 40px rgba(201, 168, 76, 0.05);
  position: relative;
  overflow: hidden;
}

.admin-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.admin-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.admin-card-value {
  font-family: 'Oswald', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}

.admin-card-label {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 8px;
}

.admin-card.success .admin-card-value { color: var(--success); }
.admin-card.danger .admin-card-value { color: #f87171; }
.admin-card.warning .admin-card-value { color: var(--warning); }

/* --- Charts Grid --- */
.admin-charts-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.admin-chart-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.admin-chart-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Table Styles --- */
.admin-table-wrapper {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.admin-table-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-table-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table thead th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.admin-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background: rgba(201, 168, 76, 0.03);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* --- Tags --- */
.admin-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  margin-right: 4px;
  margin-bottom: 4px;
  white-space: nowrap;
}

.admin-tag.red {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.admin-tag.yellow {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.admin-tag.purple {
  background: rgba(139, 92, 246, 0.12);
  color: #8b5cf6;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.admin-tag.green {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

/* --- Status Select --- */
.admin-status-select {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--gray-300);
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--white);
  cursor: pointer;
  transition: all 0.2s;
  min-width: 130px;
}

.admin-status-select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
}

/* --- CMS Form Styles --- */
.admin-form-section {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.admin-form-section-header {
  padding: 18px 24px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-form-section-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
}

.admin-form-section-body {
  padding: 24px;
}

.admin-form-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-100);
}

.admin-form-row:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.admin-form-label {
  flex: 0 0 200px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.admin-form-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-800);
  transition: all 0.2s;
}

.admin-form-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.admin-form-input::placeholder {
  color: var(--gray-400);
}

.admin-form-readonly {
  flex: 0 0 120px;
  padding: 10px 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  font-family: 'Oswald', sans-serif;
  text-align: center;
}

/* --- Save Button --- */
.admin-save-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--navy);
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(201, 168, 76, 0.3);
}

.admin-save-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(201, 168, 76, 0.4);
}

.admin-save-btn:active {
  transform: translateY(0);
}

/* --- Toast --- */
.admin-toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-toast {
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  animation: adminToastIn 0.3s ease, adminToastOut 0.3s ease 2.7s forwards;
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-toast.success { background: linear-gradient(135deg, #059669, #10b981); }
.admin-toast.error { background: linear-gradient(135deg, #dc2626, #ef4444); }
.admin-toast.warning { background: linear-gradient(135deg, #d97706, #f59e0b); }
.admin-toast.info { background: linear-gradient(135deg, #2563eb, #3b82f6); }

@keyframes adminToastIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes adminToastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

/* --- Summary Bar --- */
.admin-summary-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.admin-summary-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.admin-summary-item .number {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
}

.admin-summary-item .label {
  font-size: 13px;
  color: var(--gray-500);
}

.admin-summary-item.urgent .number { color: #ef4444; }

/* --- Money formatting --- */
.money { font-family: 'Oswald', sans-serif; font-weight: 500; }
.money.positive { color: var(--success); }
.money.negative { color: var(--danger); }

/* --- Loading --- */
.admin-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  color: var(--gray-400);
  font-size: 14px;
}

.admin-loading::before {
  content: '';
  width: 24px;
  height: 24px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: adminSpin 0.8s linear infinite;
  margin-right: 12px;
}

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

/* --- Empty State --- */
.admin-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}

.admin-empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.admin-empty-text {
  font-size: 15px;
  color: var(--gray-500);
}

/* --- Mobile Toggle --- */
.admin-mobile-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 44px;
  height: 44px;
  background: var(--navy);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 10px;
  color: var(--gold);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.admin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .admin-cards-grid { grid-template-columns: 1fr 1fr; }
  .admin-charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-main {
    margin-left: 0;
    padding: 80px 16px 24px;
  }

  .admin-mobile-toggle {
    display: flex;
  }

  .admin-overlay.show {
    display: block;
  }

  .admin-cards-grid {
    grid-template-columns: 1fr;
  }

  .admin-table {
    font-size: 12px;
  }

  .admin-table thead th,
  .admin-table tbody td {
    padding: 8px 10px;
  }

  .admin-form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-form-label {
    flex: none;
    margin-bottom: 4px;
  }

  .admin-form-readonly {
    flex: none;
  }
}