/* =========================================================
   zhifood ERP - zhifood Design System Theme
   ========================================================= */

:root {
  --apple-blue: #007AFF;
  --apple-green: #34C759;
  --apple-orange: #FF9500;
  --apple-red: #FF3B30;
  --apple-indigo: #5856D6;
  --apple-purple: #AF52DE;
  --apple-pink: #FF2D55;
  --apple-teal: #5AC8FA;
  --apple-yellow: #FFCC00;

  --bg-primary: #F5F5F7;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F2F2F7;

  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --text-tertiary: #A1A1A6;

  --border-color: #D2D2D7;
  --border-light: #E5E5EA;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;

  --sidebar-width: 240px;
  --header-height: 60px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   Card
   ========================================================= */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: box-shadow 0.2s ease;
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn-primary {
  padding: 10px 18px;
  background: var(--apple-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0,122,255,0.2);
}
.btn-primary:hover {
  background: #0056CC;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,122,255,0.25);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-default {
  padding: 10px 18px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s ease;
}
.btn-default:hover {
  background: #E5E5EA;
  border-color: var(--border-color);
}

.btn-success {
  padding: 10px 18px;
  background: var(--apple-green);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(52,199,89,0.2);
}
.btn-success:hover {
  background: #2DAF47;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(52,199,89,0.25);
}

.btn-danger {
  padding: 10px 18px;
  background: var(--apple-red);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s ease;
}
.btn-danger:hover {
  background: #D32F2F;
  transform: translateY(-1px);
}

.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-link {
  padding: 4px 8px;
  background: none;
  border: none;
  color: var(--apple-blue);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
}
.btn-link:hover { color: #0056CC; text-decoration: underline; }

/* =========================================================
   Form Elements
   ========================================================= */
input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}
input::placeholder, textarea::placeholder {
  color: var(--text-tertiary);
}

/* =========================================================
   Table
   ========================================================= */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.data-table th {
  background: var(--bg-tertiary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border-light);
}
.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}
.data-table td.col-actions {
  white-space: normal;
}
.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tr:hover td {
  background: rgba(0,122,255,0.02);
}

/* =========================================================
   Tags
   ========================================================= */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
}
.tag-blue   { background: rgba(0,122,255,0.1); color: var(--apple-blue); }
.tag-green  { background: rgba(52,199,89,0.1);  color: #248A3D; }
.tag-orange { background: rgba(255,149,0,0.1);  color: #C77700; }
.tag-red    { background: rgba(255,59,48,0.1);  color: #C41C14; }
.tag-purple { background: rgba(175,82,222,0.1); color: #8E24AA; }
.tag-gray   { background: var(--bg-tertiary);   color: var(--text-secondary); }

/* =========================================================
   Tabs
   ========================================================= */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  padding: 0 4px;
}
.tabs .tab {
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.15s ease;
  border-radius: 8px 8px 0 0;
}
.tabs .tab:hover {
  color: var(--text-primary);
  background: rgba(0,0,0,0.02);
}
.tabs .tab.active {
  border-bottom-color: var(--apple-blue);
  color: var(--apple-blue);
  background: rgba(0,122,255,0.04);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* =========================================================
   Modal
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 560px;
  max-width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* =========================================================
   Form Rows
   ========================================================= */
.form-row {
  margin-bottom: 16px;
}
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
}
.form-row .hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* =========================================================
   Search Bar
   ========================================================= */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.search-bar input, .search-bar select {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: var(--bg-secondary);
}

/* =========================================================
   Loading & Empty
   ========================================================= */
.loading {
  color: var(--text-tertiary);
  font-size: 14px;
  text-align: center;
  padding: 32px;
}
.empty {
  color: var(--text-tertiary);
  font-size: 14px;
  text-align: center;
  padding: 32px;
}

/* =========================================================
   Pagination
   ========================================================= */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 20px;
}
.pagination button {
  padding: 8px 14px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  transition: all 0.15s;
}
.pagination button:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}
.pagination button.active {
  background: var(--apple-blue);
  color: #fff;
  border-color: var(--apple-blue);
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* =========================================================
   Toggle Switch (Apple style)
   ========================================================= */
.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
}
.toggle input {
  appearance: none;
  width: 28px;
  height: 16px;
  background: #E5E5EA;
  border-radius: var(--radius-full);
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
  border: none;
  flex-shrink: 0;
}
.toggle input::after {
  content: '';
  position: absolute;
  top: 1.5px;
  left: 1.5px;
  width: 13px;
  height: 13px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.toggle input:checked {
  background: var(--apple-green);
}
.toggle input:checked::after {
  transform: translateX(12px);
}

/* =========================================================
   Stat Cards
   ========================================================= */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-card .num {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}
.stat-card .label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.stat-blue   .num { color: var(--apple-blue); }
.stat-green  .num { color: var(--apple-green); }
.stat-orange .num { color: var(--apple-orange); }
.stat-red    .num { color: var(--apple-red); }
.stat-purple .num { color: var(--apple-purple); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 16px; }
  .stat-card .num { font-size: 22px; }
  .card { padding: 16px; border-radius: var(--radius-md); margin-bottom: 12px; }
  .card-title { font-size: 15px; margin-bottom: 12px; }
  .two-col { grid-template-columns: 1fr; gap: 12px; }
  .search-bar { flex-direction: column; align-items: stretch; gap: 8px; }
  .search-bar input, .search-bar select { width: 100%; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
  .data-table th, .data-table td { padding: 10px 12px; font-size: 13px; }
  .tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tabs .tab { white-space: nowrap; padding: 8px 14px; font-size: 13px; }
  .modal-content { width: calc(100vw - 32px); max-width: 100%; padding: 20px; border-radius: var(--radius-lg); }
  .btn-primary, .btn-default, .btn-success, .btn-danger { padding: 12px 16px; font-size: 15px; min-height: 44px; }
  .form-row { margin-bottom: 12px; }
  input, select, textarea { padding: 12px 14px; font-size: 16px; }
  .quick-actions { gap: 8px; }
  .pagination { flex-wrap: wrap; gap: 4px; }
  .pagination button { padding: 6px 10px; font-size: 12px; }
  body { padding: 12px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   Image Upload Component (全局图片上传组件)
   ========================================================= */
.image-upload-zone {
  width: 100%;
  min-height: 80px;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.image-upload-zone:hover,
.image-upload-zone.drag-over {
  border-color: var(--apple-blue);
  background: rgba(0, 122, 255, 0.04);
}
.image-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.image-preview-item {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-light);
}
.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-preview-item .del-btn {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.image-preview-item .del-btn:hover {
  background: rgba(196, 28, 20, 0.85);
}

/* =========================================================
   Log Stats Chips
   ========================================================= */
.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
}
.stat-chip strong {
  color: var(--apple-blue);
  font-weight: 600;
}

/* =========================================================
   Remove number input spin buttons globally
   ========================================================= */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}