/* ========================================
   数字食堂硬件售后工单系统 - Styles
   ======================================== */

:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #eef2ff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Nav ---- */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.92);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.3px;
}

.nav-right { display: flex; gap: 4px; }

.nav-link {
  text-decoration: none;
  color: var(--gray-500);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover { color: var(--gray-700); background: var(--gray-100); }

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

/* ---- Pages ---- */
.page { display: none; padding: 32px; max-width: 960px; margin: 0 auto; }
.page.active-page { display: block; }

.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--gray-900); }
.page-desc { color: var(--gray-500); font-size: 14px; margin-top: 4px; }

/* ---- Forms ---- */
.ticket-form { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px; }

.form-section { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--gray-100); }
.form-section:last-of-type { border-bottom: none; margin-bottom: 0; }

.section-title { font-size: 15px; font-weight: 600; color: var(--gray-700); margin-bottom: 16px; display: flex; align-items: center; gap: 6px; }

.form-row { display: flex; gap: 16px; }
.form-row.two-cols > .form-group { flex: 1; }

.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }

.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.required { color: var(--danger); }

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--gray-800);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
}

.form-textarea { resize: vertical; min-height: 80px; }

.error-msg { font-size: 12px; color: var(--danger); margin-top: 4px; display: block; min-height: 0; }

.char-count { display: block; text-align: right; font-size: 12px; color: var(--gray-400); margin-top: 4px; }

/* ---- Hardware Grid ---- */
.hardware-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hardware-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 12px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.hardware-item:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.hardware-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.hardware-item:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.hardware-item:has(input:checked) .hardware-icon {
  transform: scale(1.1);
}

.hardware-icon {
  font-size: 32px;
  transition: transform var(--transition);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hardware-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.hardware-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
}

.hardware-item:has(input:checked) .hardware-name {
  color: var(--primary);
}

/* Date picker group */
.date-picker-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.date-picker-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 13px;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.4;
}
.date-picker-btn:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
}
.date-picker-input-hidden {
  position: absolute;
  width: 0;
  height: 0;
  padding: 0;
  border: none;
  opacity: 0;
  pointer-events: none;
}
.date-separator {
  color: var(--gray-300);
  font-size: 14px;
}

/* ---- Radio ---- */
.radio-group { display: flex; gap: 20px; padding-top: 4px; }
.radio-item { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 14px; color: var(--gray-600); }
.radio-item input[type="radio"] { accent-color: var(--primary); width: 16px; height: 16px; }
.urgent-tag { color: var(--danger); font-weight: 600; }

/* ---- Upload ---- */
.upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--gray-50);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-icon { font-size: 32px; display: block; margin-bottom: 8px; }
.upload-link { color: var(--primary); font-weight: 600; text-decoration: underline; cursor: pointer; }
.upload-hint { font-size: 12px; color: var(--gray-400); margin-top: 4px; }

.file-input { display: none; }

.preview-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.preview-item {
  position: relative;
  width: 100px; height: 100px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-remove {
  position: absolute; top: 4px; right: 4px;
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(0,0,0,0.6); color: #fff;
  border: none; cursor: pointer;
  font-size: 14px; line-height: 22px; text-align: center;
  transition: var(--transition);
}
.preview-remove:hover { background: rgba(0,0,0,0.85); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 28px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-family: inherit;
}

.btn-primary {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }

.btn-secondary {
  background: #fff; color: var(--gray-600); border-color: var(--gray-300);
}
.btn-secondary:hover { background: var(--gray-100); }

.btn-outline {
  background: #fff; color: var(--primary); border-color: var(--primary);
  padding: 8px 16px; font-size: 13px;
}
.btn-outline:hover { background: var(--primary-light); }

.form-actions {
  display: flex; justify-content: flex-end; gap: 12px;
  margin-top: 28px; padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}

/* ---- Admin Stats ---- */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }

.stat-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px; text-align: center;
  border-left: 4px solid var(--gray-300);
}
.stat-card.stat-all { border-left-color: var(--primary); }
.stat-card.stat-pending { border-left-color: var(--warning); }
.stat-card.stat-processing { border-left-color: #3b82f6; }
.stat-card.stat-done { border-left-color: var(--success); }

.stat-num { font-size: 32px; font-weight: 700; color: var(--gray-900); }
.stat-label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

/* ---- Filter Bar ---- */
.filter-bar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
.filter-left { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.search-input { width: 220px; }
.filter-select { width: 140px; }

/* ---- Table ---- */
.table-wrap {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow-x: auto;
}

.ticket-table { width: 100%; border-collapse: collapse; font-size: 13px; }
#page-query .ticket-table td { word-break: break-word; }
.ticket-table thead { background: var(--gray-50); }
.ticket-table th {
  padding: 12px 14px; text-align: left; font-weight: 600;
  color: var(--gray-600); white-space: nowrap;
  border-bottom: 1px solid var(--gray-200);
}
.ticket-table td { padding: 12px 14px; color: var(--gray-700); border-bottom: 1px solid var(--gray-100); }
.ticket-table tbody tr:hover { background: var(--gray-50); }
.ticket-table tbody tr:last-child td { border-bottom: none; }

.empty-row { text-align: center; color: var(--gray-400); padding: 48px 0 !important; font-size: 14px; }

/* ---- Status badges ---- */
.status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 100px;
  font-size: 12px; font-weight: 600;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-processing { background: #dbeafe; color: #1e40af; }
.status-resolved { background: #d1fae5; color: #065f46; }
.status-closed { background: var(--gray-100); color: var(--gray-500); }

.urgency-badge {
  display: inline-block; padding: 2px 8px; border-radius: 100px;
  font-size: 11px; font-weight: 600;
}
.urgency-normal { background: #e0e7ff; color: #3730a3; }
.urgency-urgent { background: #fee2e2; color: #991b1b; animation: pulse 2s infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.65; } }

/* ---- Action buttons ---- */
.action-btn {
  padding: 5px 12px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 500; border: 1px solid var(--gray-300);
  background: #fff; cursor: pointer; transition: var(--transition);
  margin-right: 4px; font-family: inherit;
}
.action-btn:hover { background: var(--gray-100); }
.action-btn.primary { color: #3b82f6; border-color: #3b82f6; }
.action-btn.primary:hover { background: #eff6ff; }
.action-btn.success { color: var(--success); border-color: var(--success); }
.action-btn.success:hover { background: #ecfdf5; }
.action-btn.danger { color: var(--danger); border-color: var(--danger); }
.action-btn.danger:hover { background: #fef2f2; }

/* ---- Pagination ---- */
.pagination {
  display: flex; justify-content: center; align-items: center; gap: 16px;
  margin-top: 20px; padding: 12px 0;
}
.page-btn {
  padding: 8px 18px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  background: #fff; font-size: 13px; cursor: pointer; transition: var(--transition);
  font-family: inherit;
}
.page-btn:hover:not(:disabled) { background: var(--gray-100); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-info { font-size: 13px; color: var(--gray-500); }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45);
  display: none; align-items: center; justify-content: center;
  z-index: 200; padding: 20px;
  backdrop-filter: blur(2px);
}
/* Show modal when targeted via anchor */
#logModal:target {
  display: flex;
}
/* Allow JS to show any modal */
.modal-overlay.modal-show {
  display: flex;
}
/* Click on overlay = click the close link */
#logModal:target .modal-overlay-clickclose {
  position: absolute; inset: 0;
  cursor: pointer;
}
.modal-content {
  background: #fff; border-radius: var(--radius);
  width: 100%; max-width: 680px; max-height: 85vh;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px; border-bottom: 1px solid var(--gray-200);
}
.modal-header h2 { font-size: 17px; font-weight: 700; }
.modal-close-link {
  background: none; border: none; font-size: 28px; cursor: pointer;
  color: var(--gray-400); padding: 4px; line-height: 1;
  text-decoration: none;
  font-family: inherit;
}
.modal-close-link:hover { color: var(--gray-600); }
.modal-body { padding: 24px; overflow-y: auto; }

/* Modal detail rows */
.detail-row { display: flex; margin-bottom: 10px; font-size: 13px; }
.detail-label { width: 100px; color: var(--gray-500); flex-shrink: 0; }
.detail-value { flex: 1; color: var(--gray-800); word-break: break-word; }
.detail-divider { height: 1px; background: var(--gray-100); margin: 14px 0; }

.modal-images { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.modal-images img { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; border: 1px solid var(--gray-200); cursor: zoom-in; transition: transform .15s, box-shadow .15s; }
.modal-images img:hover { transform: scale(1.08); box-shadow: 0 4px 16px rgba(0,0,0,.18); }

/* Duplicate rejection modal */
.dup-item { border: 1px solid var(--gray-200); border-left: 4px solid #f59e0b; border-radius: 6px; padding: 10px 12px; margin-bottom: 10px; background: var(--gray-50); font-size: 13px; }
.dup-item .dup-id { margin-bottom: 4px; }
.dup-item .dup-desc { color: var(--gray-600); margin-bottom: 4px; white-space: pre-wrap; }
.dup-item .dup-time { color: var(--gray-400); font-size: 12px; }

/* Admin processing section */
.admin-section { margin-top: 16px; padding: 16px; background: var(--gray-50); border-radius: var(--radius-sm); }
.admin-section label { font-size: 13px; font-weight: 500; display: block; margin-bottom: 6px; }
.admin-section textarea { width: 100%; padding: 9px 12px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm); font-size: 13px; resize: vertical; font-family: inherit; }
.admin-section select { padding: 8px 12px; border: 1px solid var(--gray-300); border-radius: var(--radius-sm); font-size: 13px; }
.admin-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ---- Toast ---- */
.success-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 60px 40px;
  text-align: center;
  max-width: 500px;
  margin: 32px auto;
}
.success-icon { font-size: 64px; margin-bottom: 16px; }
.success-card h1 { font-size: 24px; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; }
.success-desc { font-size: 15px; color: var(--gray-500); margin-bottom: 24px; }
.success-id-label { font-size: 13px; color: var(--gray-400); margin-bottom: 4px; }
.success-id { font-size: 28px; font-weight: 700; color: var(--primary); margin-bottom: 32px; letter-spacing: 1px; }
.success-actions { display: flex; gap: 12px; justify-content: center; }

/* Login page */
.login-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px 32px;
  max-width: 380px;
  margin: 60px auto;
  text-align: center;
}
.login-icon { font-size: 48px; margin-bottom: 12px; }
.login-card h1 { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 24px; }
.login-form { text-align: left; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 12px 24px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: #fff;
  background: var(--gray-800); box-shadow: var(--shadow-lg);
  z-index: 300; animation: toastIn 0.3s ease;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ---- Hamburger button (hidden on desktop) ---- */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-700);
  padding: 4px 8px;
  line-height: 1;
  font-family: inherit;
}

/* ---- Responsive ---- */

/* === Tablet (<= 768px) === */
@media (max-width: 768px) {
  .page { padding: 16px; }
  .navbar { padding: 0 16px; }

  /* Show hamburger, convert nav to dropdown */
  .nav-hamburger { display: block; }
  .nav-right {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: 8px 0;
    z-index: 99;
  }
  .nav-right.nav-open { display: flex; }
  .nav-link {
    padding: 12px 20px;
    border-radius: 0;
    font-size: 15px;
  }
  .nav-link:hover { background: var(--gray-50); }
  .nav-link.active { background: var(--primary-light); }
  .nav-user { padding: 10px 20px; font-size: 13px; color: var(--gray-500); }

  .form-row.two-cols { flex-direction: column; gap: 0; }

  /* Stats: 2 columns */
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-num { font-size: 24px; }

  /* Filter bar: stack vertically */
  .filter-bar { flex-direction: column; align-items: stretch; gap: 10px; }
  .filter-left { flex-direction: column; align-items: stretch; gap: 8px; }
  .filter-right { justify-content: stretch; }
  .filter-right .btn { flex: 1; justify-content: center; }
  .search-input, .filter-select { width: 100% !important; }
  .date-picker-group { width: 100%; }
  .date-picker-btn { flex: 1; justify-content: center; font-size: 13px; padding: 9px 10px; }

  .ticket-form { padding: 20px; }
  .page-header h1 { font-size: 20px; }

  /* Modal: nearly full screen */
  .modal-overlay { padding: 10px; }
  .modal-content { max-width: 100%; max-height: 90vh; }
  .modal-header { padding: 14px 16px; }
  .modal-body { padding: 16px; }
  .detail-row { flex-direction: column; gap: 2px; margin-bottom: 12px; }
  .detail-label { width: auto; font-weight: 600; }

  /* Success page */
  .success-card { padding: 40px 24px; margin: 16px auto; }
  .success-icon { font-size: 48px; }
  .success-card h1 { font-size: 20px; }
  .success-id { font-size: 22px; }
  .success-actions { flex-direction: column; }
  .success-actions .btn { width: 100%; justify-content: center; }

  /* Login */
  .login-card { margin: 32px auto; padding: 28px 20px; }

  /* Form actions: full-width buttons */
  .form-actions { flex-direction: column-reverse; gap: 8px; }
  .form-actions .btn { width: 100%; justify-content: center; padding: 12px; }

  /* Table improvements */
  .ticket-table { font-size: 12px; }
  .ticket-table th, .ticket-table td { padding: 10px 8px; }
  .action-btn { padding: 4px 8px; font-size: 11px; }

  /* Query results: card layout on mobile (no horizontal scroll) */
  #page-query .table-wrap { overflow-x: visible; background: transparent; box-shadow: none; }
  #page-query .ticket-table, #page-query .ticket-table tbody, #page-query .ticket-table tr, #page-query .ticket-table td { display: block; width: 100%; }
  #page-query .ticket-table thead { display: none; }
  #page-query .ticket-table tbody tr { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 12px; padding: 4px 16px 8px; }
  #page-query .ticket-table tbody tr:hover { background: #fff; }
  #page-query .ticket-table td { border-bottom: 1px dashed var(--gray-100); padding: 8px 0; word-break: break-word; }
  #page-query .ticket-table td:last-child { border-bottom: none; }
  #page-query .ticket-table td::before { content: attr(data-label); display: block; font-size: 11px; color: var(--gray-400); margin-bottom: 3px; }

  /* Upload */
  .upload-area { padding: 20px; }
  .preview-item { width: 80px; height: 80px; }

  /* Pagination */
  .pagination { gap: 10px; }
  .page-btn { padding: 8px 14px; }
}

/* === Small phones (<= 400px) === */
@media (max-width: 400px) {
  .page { padding: 12px; }
  .navbar { padding: 0 12px; height: 54px; }
  .nav-logo { font-size: 16px; }
  .nav-right { top: 54px; }

  .stats-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 10px; }
  .stat-num { font-size: 20px; }
  .stat-label { font-size: 11px; }

  .hardware-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .hardware-item { padding: 14px 8px; }
  .hardware-icon img { width: 32px; height: 32px; }
  .hardware-name { font-size: 12px; }

  .ticket-form { padding: 16px; }
  .page-header h1 { font-size: 18px; }
  .page-desc { font-size: 13px; }

  .modal-overlay { padding: 0; }
  .modal-content { border-radius: 0; max-height: 100vh; min-height: 100vh; }
  .modal-header { padding: 12px 14px; }
  .modal-body { padding: 14px; }

  .success-card { padding: 32px 16px; margin: 8px auto; }
  .login-card { padding: 24px 16px; margin: 20px auto; }

  .toast { left: 12px; right: 12px; transform: none; bottom: 16px; text-align: center; font-size: 13px; }
  @keyframes toastIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
}

/* === Safe area support (iPhone notch, etc.) === */
@supports (padding-top: env(safe-area-inset-top)) {
  .navbar {
    padding-top: env(safe-area-inset-top);
    height: calc(60px + env(safe-area-inset-top));
  }
  .page {
    padding-bottom: calc(16px + env(safe-area-inset-bottom));
  }
  .modal-content {
    padding-top: env(safe-area-inset-top);
  }
}

/* === Landscape phones === */
@media (max-height: 500px) and (orientation: landscape) {
  .navbar { height: 48px; }
  .page { padding-top: 12px; }
  .login-card { margin: 16px auto; padding: 20px; }
  .success-card { padding: 24px 20px; }
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}

/* === Site Footer (ICP 备案信息展示) === */
.site-footer {
  margin-top: 48px;
  padding: 20px 16px calc(20px + env(safe-area-inset-bottom));
  text-align: center;
  font-size: 12px;
  color: var(--gray-500);
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  line-height: 1.8;
}
.site-footer a {
  color: var(--gray-500);
  text-decoration: none;
  transition: color .2s;
}
.site-footer a:hover { color: var(--primary); text-decoration: underline; }
.site-footer .footer-sep { margin: 0 8px; color: var(--gray-300); }

/* === Print === */
@media print {
  .navbar, .filter-bar, .form-actions, .pagination, .site-footer { display: none !important; }
  .page { padding: 0; max-width: 100%; }
  .ticket-table { font-size: 11px; }
}