@import url('variables.css');

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

html, body {
  height: 100%;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  color: var(--primary-light);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
}

.layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base);
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-logo {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.sidebar-logo .logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  margin-left: 12px;
  font-size: var(--font-size-md);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .logo-text {
  display: none;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.sidebar-nav::-webkit-scrollbar {
  width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0;
}

.nav-group {
  margin-bottom: 4px;
}

.nav-group-title {
  padding: 12px 20px 6px;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .nav-group-title {
  display: none;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-left: 3px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  color: #FFFFFF;
  background: var(--bg-sidebar-hover);
}

.nav-item.active {
  color: #FFFFFF;
  background: var(--bg-sidebar-active);
  border-left-color: var(--primary-light);
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-item .nav-icon svg {
  width: 18px;
  height: 18px;
}

.sidebar.collapsed .nav-item {
  padding: 12px 0;
  justify-content: center;
}

.sidebar.collapsed .nav-item .nav-icon {
  margin-right: 0;
}

.sidebar.collapsed .nav-item .nav-label {
  display: none;
}

.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin-left var(--transition-base);
}

.sidebar.collapsed ~ .main-area {
  margin-left: var(--sidebar-collapsed-width);
}

.header {
  height: var(--header-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-lighter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

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

.header-collapse-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0;
  color: var(--text-regular);
  transition: all var(--transition-fast);
}

.header-collapse-btn:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--font-size-base);
  color: var(--text-regular);
}

.breadcrumb span {
  color: var(--text-secondary);
}

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

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

.header-shortcuts {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  border-left: 1px solid var(--border-lighter);
  border-right: 1px solid var(--border-lighter);
  margin: 0 4px;
}

.header-shortcut {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  color: var(--text-regular);
  font-size: 13px;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-radius: 0;
}

.header-shortcut:hover {
  color: var(--primary);
  background: var(--primary-lighter);
}

.header-shortcut.active {
  color: var(--primary);
  font-weight: 500;
}

.header-shortcut svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.shortcut-market {
  color: var(--primary);
  font-weight: 600;
}

.shortcut-market svg {
  width: 18px;
  height: 18px;
}

.shortcut-market:hover {
  color: var(--primary-dark);
  background: var(--primary-lighter);
}

.shortcut-icon-only {
  padding: 6px 8px;
}

.shortcut-icon-only svg {
  width: 18px;
  height: 18px;
}

.header-action {
  position: relative;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0;
  color: var(--text-regular);
  transition: all var(--transition-fast);
}

.header-action:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

.header-action .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-card);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 0;
  transition: background var(--transition-fast);
  position: relative;
}

.user-menu:hover {
  background: var(--bg-page);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 0;
  background: var(--primary-lighter);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.user-info {
  line-height: 1.3;
}

.user-info .name {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 500;
}

.user-info .role {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 200;
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: var(--font-size-base);
  color: var(--text-regular);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-page);
  color: var(--primary);
}

.dropdown-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.dropdown-divider {
  height: 1px;
  background: var(--border-lighter);
  margin: 4px 0;
}

.main-content {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
}

.page-header {
  margin-bottom: 20px;
}

.page-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.page-header p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.card {
  background: var(--bg-card);
  border-radius: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-lighter);
}

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

.card-header h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 0;
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.5;
}

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

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

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

.btn-warning {
  background: var(--warning);
  color: #FFFFFF;
  border-color: var(--warning);
}

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

.btn-default {
  background: #FFFFFF;
  color: var(--text-regular);
  border-color: var(--border-base);
}

.btn-default:hover {
  color: var(--primary);
  border-color: var(--primary-lighter);
  background: var(--primary-lighter);
}

.btn-text {
  background: transparent;
  color: var(--primary);
  border: none;
  padding: 4px 8px;
}

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

.btn-sm {
  padding: 5px 12px;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 12px 24px;
  font-size: var(--font-size-md);
}

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

.form-group {
  margin-bottom: 20px;
}

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

.form-label .required {
  color: var(--danger);
  margin-right: 4px;
}

.form-input {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-base);
  border-radius: 0;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: #FFFFFF;
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 150, 136, 0.15);
}

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

.form-input[disabled] {
  background: var(--bg-page);
  color: var(--text-secondary);
  cursor: not-allowed;
}

.form-select {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border-base);
  border-radius: 0;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: #FFFFFF url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23909399' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;
  appearance: none;
  cursor: pointer;
  outline: none;
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 150, 136, 0.15);
}

.form-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-base);
  border-radius: 0;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: #FFFFFF;
  resize: vertical;
  min-height: 80px;
  outline: none;
}

.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 150, 136, 0.15);
}

.form-hint {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.form-error {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--danger);
}

.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

.data-table th {
  background: var(--bg-page);
  color: var(--text-regular);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-lighter);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-lighter);
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: var(--bg-page);
}

.data-table .amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 0;
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.6;
}

.tag-primary {
  background: var(--primary-lighter);
  color: var(--primary-dark);
}

.tag-success {
  background: var(--success-light);
  color: #2E7D32;
}

.tag-warning {
  background: var(--warning-light);
  color: #E65100;
}

.tag-danger {
  background: var(--danger-light);
  color: #C62828;
}

.tag-info {
  background: var(--info-light);
  color: var(--info);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 16px;
  padding: 12px 0;
}

.pagination .page-btn {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-base);
  border-radius: 0;
  background: #FFFFFF;
  color: var(--text-regular);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.pagination .page-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.pagination .page-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  border-color: var(--primary);
}

.pagination .page-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin: 0 8px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: 0;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-lighter);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-card .stat-icon.blue {
  background: var(--primary-lighter);
  color: var(--primary-dark);
}

.stat-card .stat-icon.green {
  background: var(--success-light);
  color: var(--success);
}

.stat-card .stat-icon.orange {
  background: var(--warning-light);
  color: var(--warning);
}

.stat-card .stat-icon.red {
  background: var(--danger-light);
  color: var(--danger);
}

.stat-card .stat-content {
  flex: 1;
  min-width: 0;
}

.stat-card .stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-card .stat-unit {
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 4px;
}

.stat-card .stat-trend {
  font-size: var(--font-size-xs);
  margin-top: 4px;
}

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

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: 0;
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

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

.modal-header h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 0;
  color: var(--text-secondary);
  font-size: 18px;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-page);
  color: var(--text-primary);
}

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

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-lighter);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state .empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state .empty-text {
  font-size: var(--font-size-md);
  margin-bottom: 16px;
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-lighter);
  margin-bottom: 20px;
}

.tab-item {
  padding: 10px 20px;
  font-size: var(--font-size-base);
  color: var(--text-regular);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

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

.tab-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 500;
}

.alert {
  padding: 12px 16px;
  border-radius: 0;
  margin-bottom: 16px;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-info {
  background: #E0F2F1;
  color: #00695C;
  border: 1px solid #B2DFDB;
}

.alert-warning {
  background: #FDF6EC;
  color: #C68A3E;
  border: 1px solid #FAECD8;
}

.alert-danger {
  background: #FEF0F0;
  color: #C45656;
  border: 1px solid #FDE2E2;
}

.alert-success {
  background: #F0F9EB;
  color: #529B2E;
  border: 1px solid #E1F3D8;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1200px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

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

  .main-area {
    margin-left: 0 !important;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.3s ease forwards;
}

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

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-lighter);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-page) 25%, #e0e3e7 50%, var(--bg-page) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 0;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}