/* ============================================================
   报价智能审核助手 - Main Stylesheet
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --color-primary: #2563eb;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-primary-bg: #eff6ff;

  --color-success: #16a34a;
  --color-success-bg: #f0fdf4;
  --color-success-border: #bbf7d0;

  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-warning-border: #fde68a;

  --color-danger: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fecaca;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  --color-white: #ffffff;
  --color-bg: #f0f2f5;
  --color-card: #ffffff;

  --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);

  --transition: all 0.2s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-gray-800);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- App Layout --- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding: 0 24px 40px;
}

/* --- Header --- */
.header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: 20px;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gray-900);
  letter-spacing: -0.01em;
}

/* --- Stepper --- */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0 28px;
  gap: 0;
  user-select: none;
}

.step {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  cursor: default;
}

.step:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 48px;
  height: 2px;
  background: var(--color-gray-300);
  margin: 0 12px;
  border-radius: 1px;
  transition: var(--transition);
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  background: var(--color-gray-200);
  color: var(--color-gray-500);
  transition: var(--transition);
  flex-shrink: 0;
}

.step-label {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  transition: var(--transition);
  white-space: nowrap;
}

.step.active .step-num {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.step.active .step-label {
  color: var(--color-primary);
  font-weight: 600;
}

.step.completed .step-num {
  background: var(--color-primary);
  color: var(--color-white);
}

.step.completed .step-label {
  color: var(--color-gray-600);
}

.step.completed::after {
  background: var(--color-primary);
}

/* --- Main Content Area --- */
.main-content {
  flex: 1;
}

/* --- Panel / Card --- */
.panel {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  padding: 24px;
  margin-bottom: 20px;
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title .icon {
  font-size: 1.2rem;
}

/* --- Upload Zone --- */
.upload-zone {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-gray-50);
}

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

.upload-zone .upload-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
  display: block;
}

.upload-zone .upload-text {
  font-size: 1rem;
  color: var(--color-gray-600);
  margin-bottom: 4px;
}

.upload-zone .upload-hint {
  font-size: 0.85rem;
  color: var(--color-gray-400);
}

.upload-zone input[type="file"] {
  display: none;
}

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--color-gray-50);
  color: var(--color-gray-600);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--color-gray-200);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-gray-100);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--color-gray-50);
}

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

/* Row status coloring */
.row-warning {
  background: var(--color-warning-bg) !important;
}

.row-warning:hover {
  background: #fef3c7 !important;
}

.row-danger {
  background: var(--color-danger-bg) !important;
}

.row-danger:hover {
  background: #fee2e2 !important;
}

.row-success {
  background: var(--color-success-bg) !important;
}

.row-success:hover {
  background: #dcfce7 !important;
}

.row-muted {
  background: var(--color-gray-50) !important;
  color: var(--color-gray-500);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
  line-height: 1.5;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-bg);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-white);
  border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
  background: #b91c1c;
}

.btn-success {
  background: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
  background: #15803d;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-600);
  border-color: var(--color-gray-300);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.btn-group {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* --- Form Controls --- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 6px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 8px 14px;
  font-size: 0.9rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-gray-800);
  font-family: var(--font-family);
  transition: var(--transition);
  line-height: 1.5;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .form-group {
  flex: 1;
}

/* --- Tags / Badges --- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: 0.78rem;
  font-weight: 500;
  border-radius: 100px;
  line-height: 1.6;
}

.tag-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.tag-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.tag-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.tag-info {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
}

.tag-muted {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
  border: 1px solid var(--color-gray-200);
}

/* --- Modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(-16px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gray-900);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  color: var(--color-gray-700);
  background: var(--color-gray-100);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* --- Loading Spinner --- */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  color: var(--color-gray-500);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 16px;
}

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

.loading-text {
  font-size: 0.95rem;
}

/* --- Stats / Summary Cards --- */
.stats-row {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 140px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--color-gray-500);
  margin-top: 4px;
}

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

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

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

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

/* --- Section Titles --- */
.section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-gray-100);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-gray-400);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: block;
}

.empty-state .empty-text {
  font-size: 1rem;
}

/* --- Error Alert --- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.alert-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.alert-info {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
}

/* --- File List --- */
.file-list {
  list-style: none;
  margin-top: 12px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
  background: var(--color-white);
}

.file-item .file-icon {
  font-size: 1.2rem;
}

.file-item .file-name {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-gray-700);
}

.file-item .file-size {
  font-size: 0.8rem;
  color: var(--color-gray-400);
}

.file-item .file-remove {
  background: none;
  border: none;
  color: var(--color-gray-400);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.file-item .file-remove:hover {
  color: var(--color-danger);
  background: var(--color-danger-bg);
}

/* --- Preview --- */
.preview-section {
  margin-top: 16px;
}

.preview-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  margin-bottom: 8px;
}

/* --- Report Styles --- */
.report-section {
  margin-bottom: 24px;
}

.report-section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-gray-800);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.report-content {
  line-height: 1.8;
  color: var(--color-gray-700);
}

.report-content p {
  margin-bottom: 8px;
}

/* --- Action buttons row in report --- */
.action-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* --- Progress bar --- */
.progress-bar {
  height: 8px;
  background: var(--color-gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar .progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s ease;
}

.progress-fill.fill-success {
  background: var(--color-success);
}

.progress-fill.fill-warning {
  background: var(--color-warning);
}

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

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

/* --- Responsive --- */
@media (max-width: 768px) {
  .main-wrap {
    padding: 0 12px 24px;
  }

  .stepper {
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
  }

  .step:not(:last-child)::after {
    width: 24px;
    margin: 0 6px;
  }

  .step-label {
    display: none;
  }

  .stats-row {
    flex-direction: column;
  }

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

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 13px;
  }

  .panel {
    padding: 16px;
  }

  .header h1 {
    font-size: 1.2rem;
  }

  .upload-zone {
    padding: 24px 16px;
  }
}

/* --- Utility --- */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-primary {
  color: var(--color-primary);
}

.text-danger {
  color: var(--color-danger);
}

.text-warning {
  color: var(--color-warning);
}

.text-success {
  color: var(--color-success);
}

.text-muted {
  color: var(--color-gray-500);
}

.mt-8 {
  margin-top: 8px;
}

.mt-16 {
  margin-top: 16px;
}

.mt-24 {
  margin-top: 24px;
}

.mb-8 {
  margin-bottom: 8px;
}

.mb-16 {
  margin-bottom: 16px;
}

.gap-8 {
  gap: 8px;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hidden {
  display: none !important;
}

/* --- Sheet Selection --- */
.sheet-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sheet-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
}

.sheet-item:hover {
  background: var(--color-gray-50);
}

.sheet-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
}

.sheet-name {
  font-weight: 500;
  color: var(--color-gray-800);
}

/* --- Editable Grid --- */
.editable-grid-wrap { max-height: 60vh; overflow: auto; border: 1px solid #e0e0e0; }
.editable-grid { border-collapse: collapse; font-size: 13px; }
.editable-grid th, .editable-grid td { border: 1px solid #ececec; padding: 2px 4px; white-space: nowrap; }
.editable-grid thead th { position: sticky; top: 0; background: #f5f6f8; z-index: 1; }
.editable-grid .row-num { background: #fafafa; color: #999; text-align: center; width: 36px; }
.editable-grid .grid-cell { width: 100%; min-width: 60px; border: none; background: transparent; font-size: 13px; }
.editable-grid .grid-cell:focus { background: #fffbe6; outline: 1px solid #faad14; }
.row-ops-col button { border: none; background: none; cursor: pointer; color: #888; padding: 0 3px; }
.row-ops-col button:hover { color: #ff4d4f; }
.sheet-tabs { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.sheet-tab { padding: 4px 12px; border: 1px solid #d9d9d9; border-radius: 4px; cursor: pointer; background: #fff; }
.sheet-tab.active { background: #1890ff; color: #fff; border-color: #1890ff; }
.mapping-table th, .mapping-table td { padding: 6px 10px; border-bottom: 1px solid #f0f0f0; }
.conf-low { color: #ff4d4f; } .conf-medium { color: #faad14; } .conf-high { color: #52c41a; } .conf-rule { color: #888; }