/* ============================================
   国有资产管理平台 - 样式表
   ============================================ */

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
*:focus { outline: none; }

:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #e8f0fe;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --info: #0891b2;
  --bg: #f0f2f5;
  --card-bg: #ffffff;
  --text: #1f2937;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --sidebar-bg: #1e293b;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #3b82f6;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --radius: 8px;
  --radius-sm: 4px;
  --transition: all 0.2s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  overflow-x: hidden;
}

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

/* ===== Sidebar ===== */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h1 {
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header .subtitle {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 8px 24px 4px;
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 14px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.nav-item.active {
  background: rgba(59,130,246,0.15);
  color: #fff;
  border-left-color: var(--sidebar-active);
}

.nav-item .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 10px;
  font-weight: 500;
}

.sidebar-footer {
  padding: 12px 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== Top Bar ===== */
.topbar {
  background: var(--card-bg);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  position: relative;
  width: 280px;
}

.search-box input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.search-box .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 14px;
}

/* ===== Content Area ===== */
.content-area {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* ===== Cards ===== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* ===== Stat Cards ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  cursor: pointer;
}

.stat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-card .stat-info h4 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.stat-card .stat-info p {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

/* ===== Tables ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
}

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

table.data-table thead th {
  background: #f8fafc;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
  cursor: pointer;
  user-select: none;
}

table.data-table thead th:hover {
  background: #f1f5f9;
}

table.data-table tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

table.data-table tbody tr:hover {
  background: var(--primary-light);
}

table.data-table tbody tr {
  cursor: pointer;
  transition: var(--transition);
}

/* ===== Badges & Tags ===== */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #e0f2fe; color: #075985; }
.badge-default { background: #f3f4f6; color: #374151; }

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  margin-right: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }

.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: #f9fafb; border-color: var(--primary); color: var(--primary); }

.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-bar select,
.filter-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  background: #fff;
  transition: var(--transition);
}

.filter-bar select:focus,
.filter-bar input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

/* ===== Modal ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

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

.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.2);
  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 {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--text-light);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: var(--transition);
}

.modal-close:hover {
  background: #f3f4f6;
  color: var(--text);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ===== Forms ===== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===== Detail View ===== */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-item .label {
  font-size: 12px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.detail-item .value {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
}

.pagination-info {
  font-size: 13px;
  color: var(--text-light);
}

.pagination-controls {
  display: flex;
  gap: 4px;
}

.pagination-controls button {
  min-width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}

.pagination-controls button:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-controls button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination-controls button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Charts ===== */
.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

/* ===== Alert List ===== */
.alert-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.alert-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border-left: 4px solid;
  transition: var(--transition);
  cursor: pointer;
}

.alert-item:hover {
  transform: translateX(4px);
}

.alert-item.urgent {
  background: #fef2f2;
  border-color: var(--danger);
}

.alert-item.warning {
  background: #fffbeb;
  border-color: var(--warning);
}

.alert-item.info {
  background: #f0f9ff;
  border-color: var(--info);
}

.alert-item .alert-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.alert-item .alert-content {
  flex: 1;
}

.alert-item .alert-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.alert-item .alert-desc {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
}

.alert-item .alert-date {
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

/* ===== Pipeline / Kanban ===== */
.pipeline {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.pipeline-column {
  min-width: 260px;
  flex-shrink: 0;
}

.pipeline-column-header {
  padding: 10px 14px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pipeline-column-body {
  background: #f8fafc;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 8px;
  min-height: 100px;
}

.pipeline-card {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.pipeline-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.pipeline-card .card-title {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pipeline-card .card-meta {
  font-size: 11px;
  color: var(--text-light);
  display: flex;
  gap: 8px;
}

/* ===== QR Code Display ===== */
.qr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  padding: 8px 0;
}

.qr-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
}

.qr-card:hover {
  box-shadow: var(--shadow-md);
}

.qr-card img {
  width: 140px;
  height: 140px;
  margin-bottom: 8px;
}

.qr-card .qr-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
}

.qr-card .qr-id {
  font-size: 11px;
  color: var(--text-light);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-light);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.3;
}

.empty-state .title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 4px;
}

.empty-state .desc {
  font-size: 13px;
}

/* ===== Toast Notification ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  min-width: 280px;
  animation: toastIn 0.3s ease;
  border-left: 4px solid var(--primary);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

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

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}

.tab {
  padding: 10px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-light);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.tab:hover { color: var(--text); }

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ===== Progress Bar ===== */
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ===== Utility ===== */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-bold { font-weight: 600; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-light); }
.mt-12 { margin-top: 12px; }
.mt-20 { margin-top: 20px; }
.mb-12 { margin-bottom: 12px; }
.mb-20 { margin-bottom: 20px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none !important; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .chart-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header h1, .sidebar-header .subtitle, .nav-item span:not(.icon), .nav-section, .sidebar-footer { display: none; }
  .main-content { margin-left: 60px; }
  .search-box { width: 160px; }
  .stat-grid { grid-template-columns: 1fr; }
}

/* ===== Print Styles ===== */
@media print {
  .sidebar, .topbar, .filter-bar, .pagination { display: none !important; }
  .main-content { margin-left: 0; }
  .card { box-shadow: none; border: 1px solid #ccc; }
}