/**
 * 3XA Intra - Intranet Styles
 * Business intranet layout, sidebar navigation, tables, forms, modals, etc.
 * Uses variables from mvp2-variables.css
 */

/* ==================== APP LAYOUT ==================== */

.app-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-secondary);
}

.app-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-content {
  flex: 1;
  padding: var(--space-8);
  max-width: 1400px;
  width: 100%;
}

/* ==================== SIDEBAR ==================== */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: rgba(246, 246, 246, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-right: 0.5px solid rgba(0, 0, 0, 0.1);
  color: #1d1d1f;
  display: flex;
  flex-direction: column;
  z-index: var(--z-header);
  overflow-y: auto;
  transition: transform var(--transition-base);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.sidebar-logo {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #1a1a2e;
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
}

.sidebar-logo:hover {
  color: #1a1a2e;
}

.sidebar-close {
  display: none;
  background: none;
  border: none;
  color: #666;
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--space-1);
  line-height: 1;
}

.sidebar-close:hover {
  color: #1a1a2e;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  color: #4a5568;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  color: #1a1a2e;
  background-color: rgba(0, 0, 0, 0.04);
}

.sidebar-link.active {
  color: var(--color-primary);
  background-color: rgba(255, 33, 78, 0.08);
  border-left-color: var(--color-primary);
}

.sidebar-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: var(--text-sm);
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-link.active .sidebar-icon {
  opacity: 1;
}

.sidebar-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
  margin: var(--space-3) var(--space-5);
}

/* Sidebar Footer - User Info */
.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.sidebar-user {
  min-width: 0;
}

.sidebar-user-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: #1a1a2e;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: var(--text-xs);
  color: #718096;
  text-transform: capitalize;
}

/* ==================== TOP BAR ==================== */

.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-8);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  min-height: 56px;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-2);
}

.topbar-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  flex: 1;
}

.topbar-user {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ==================== PAGE HEADER ==================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ==================== DASHBOARD METRIC CARDS ==================== */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.metric-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: box-shadow var(--transition-fast);
}

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

.metric-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.metric-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 33, 78, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-lg);
}

.metric-card-icon.icon-red { background-color: rgba(239, 68, 68, 0.1); color: #dc2626; }
.metric-card-icon.icon-green { background-color: rgba(16, 185, 129, 0.1); color: #059669; }
.metric-card-icon.icon-yellow { background-color: rgba(245, 158, 11, 0.1); color: #d97706; }
.metric-card-icon.icon-purple { background-color: rgba(139, 92, 246, 0.1); color: #7c3aed; }
.metric-card-icon.icon-blue { background-color: rgba(59, 130, 246, 0.1); color: #2563eb; }

.metric-card-trend {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.metric-card-trend.up {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.metric-card-trend.down {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.metric-card-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  line-height: 1.2;
}

.metric-card-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ==================== CHART CONTAINERS ==================== */

.chart-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.chart-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.chart-wrapper {
  position: relative;
  width: 100%;
  min-height: 300px;
}

.charts-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

/* ==================== DATA TABLES ==================== */

.table-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: visible;
  margin-bottom: var(--space-6);
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.table-header-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background-color: var(--bg-secondary);
}

.data-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  cursor: default;
  user-select: none;
}

.data-table th.sortable {
  cursor: pointer;
}

.data-table th.sortable:hover {
  color: var(--text-primary);
  background-color: var(--color-gray-200);
}

.data-table th.sorted-asc::after {
  content: ' \2191';
}

.data-table th.sorted-desc::after {
  content: ' \2193';
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

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

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

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

.data-table .text-center {
  text-align: center;
}

.data-table .text-muted {
  color: var(--text-secondary);
}

.data-table .cell-actions {
  white-space: nowrap;
}

/* ==================== TABLE FILTERS ==================== */

.table-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.filter-label {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  white-space: nowrap;
}

.filter-select {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  cursor: pointer;
  min-width: 140px;
}

.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.filter-input {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  min-width: 200px;
}

.filter-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ==================== STATUS BADGES ==================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
  line-height: 1.4;
}

.badge-gray {
  background-color: var(--color-gray-200);
  color: var(--color-gray-600);
}

.badge-blue {
  background-color: rgba(59, 130, 246, 0.15);
  color: #2563eb;
}

.badge-green {
  background-color: rgba(16, 185, 129, 0.15);
  color: #059669;
}

.badge-red {
  background-color: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.badge-yellow {
  background-color: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

.badge-purple {
  background-color: rgba(139, 92, 246, 0.15);
  color: #7c3aed;
}

.badge-dark {
  background-color: var(--color-gray-700);
  color: var(--color-gray-200);
}

/* ==================== ACTION BUTTONS (TABLE) ==================== */

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.btn-icon:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-icon.btn-icon-danger:hover {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-error);
}

.btn-icon.btn-icon-edit:hover {
  background-color: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #2563eb;
}

/* ==================== ROW ACTION MENU (THREE-DOT) ==================== */

.row-actions {
  position: relative;
  display: inline-flex;
}

.row-actions-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 18px;
  line-height: 1;
}

.row-actions-trigger:hover,
.row-actions-trigger.active {
  background-color: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.actions-menu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 100;
  min-width: 170px;
  padding: 4px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 0.5px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 0 0 0.5px rgba(0, 0, 0, 0.04);
  display: none;
  animation: menuFadeIn 0.15s ease;
}

.actions-menu.open {
  display: block;
}

@keyframes menuFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.actions-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 6px 14px;
  background: none;
  border: none;
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color 0.1s ease;
  text-align: left;
  white-space: nowrap;
}

.actions-menu-item:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

.actions-menu-item.danger {
  color: var(--color-error);
}

.actions-menu-item.danger:hover {
  background-color: rgba(239, 68, 68, 0.08);
}

.actions-menu-divider {
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
  margin: 4px 0;
}

/* ==================== FORMS ==================== */

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.form-row-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-required {
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 33, 78, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: not-allowed;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-help {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

.form-error-text {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-6);
}

/* Inline form */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.form-inline .form-group {
  margin-bottom: 0;
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--text-primary);
  cursor: pointer;
}

/* ==================== MODALS ==================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
  padding: var(--space-4);
}

.modal.active {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalFadeIn 0.2s ease;
}

.modal-dialog.modal-lg {
  max-width: 800px;
}

.modal-dialog.modal-sm {
  max-width: 400px;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: var(--space-1);
  line-height: 1;
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
}

/* ==================== TOAST NOTIFICATIONS ==================== */

#toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
}

.toast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.3s ease;
  min-width: 280px;
}

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

.toast-success {
  background-color: #059669;
  color: #fff;
}

.toast-error {
  background-color: #dc2626;
  color: #fff;
}

.toast-warning {
  background-color: #d97706;
  color: #fff;
}

.toast-info {
  background-color: #2563eb;
  color: #fff;
}

.toast-close {
  background: none;
  border: none;
  color: inherit;
  font-size: var(--text-lg);
  cursor: pointer;
  opacity: 0.8;
  padding: 0;
  line-height: 1;
}

.toast-close:hover {
  opacity: 1;
}

/* ==================== PAGINATION ==================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) 0;
}

.pagination .btn {
  min-width: 36px;
}

.pagination .btn.btn-primary {
  pointer-events: none;
}

.pagination .btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-dots {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  padding: 0 var(--space-2);
}

.pagination-info {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  padding: var(--space-2) 0;
}

/* ==================== KANBAN BOARD (DEALS PIPELINE) ==================== */

.kanban-board {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  min-height: 400px;
}

.kanban-column {
  flex: 0 0 280px;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 70vh;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--border-color);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.kanban-column-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 var(--space-2);
  background-color: var(--bg-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--text-secondary);
}

.kanban-column-body {
  flex: 1;
  padding: var(--space-3);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.kanban-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.kanban-card-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.kanban-card-meta {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kanban-card-amount {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

/* ==================== STAT CARDS ==================== */

.stat-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 33, 78, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-xl);
  flex-shrink: 0;
}

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

.stat-card-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-1);
}

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

/* ==================== TAB NAVIGATION ==================== */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: var(--space-6);
  overflow-x: auto;
}

.tab {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}

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

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==================== EMPTY STATES ==================== */

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.4;
}

.empty-state p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.empty-state .btn {
  margin-top: var(--space-2);
}

/* ==================== LOADING SPINNER ==================== */

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== INVOICE DETAIL / PRINT ==================== */

.invoice-document {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-10);
  max-width: 800px;
  margin: 0 auto;
}

.invoice-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-8);
}

.invoice-company {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.invoice-company strong {
  display: block;
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

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

.invoice-title h2 {
  font-size: var(--text-3xl);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.invoice-number {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.invoice-meta-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.invoice-meta-block label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-1);
}

.invoice-meta-block p {
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: var(--leading-relaxed);
}

.invoice-lines-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

.invoice-lines-table th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  border-bottom: 2px solid var(--border-color);
}

.invoice-lines-table td {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.invoice-totals {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-8);
}

.invoice-totals-table {
  width: 280px;
}

.invoice-totals-table tr td {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
}

.invoice-totals-table tr td:first-child {
  color: var(--text-secondary);
  text-align: right;
  padding-right: var(--space-4);
}

.invoice-totals-table tr td:last-child {
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  text-align: right;
}

.invoice-totals-table tr.total-row td {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  border-top: 2px solid var(--border-color);
  padding-top: var(--space-3);
}

.invoice-notes {
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.invoice-notes strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

/* ==================== DETAIL PANELS ==================== */

.detail-panel {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.detail-panel-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-color);
}

.detail-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--bg-secondary);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
}

.detail-value {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

/* ==================== BUTTON VARIANTS ==================== */

.btn-danger {
  background-color: var(--color-error);
  color: #fff;
  border: none;
}

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

.btn-success {
  background-color: var(--color-success);
  color: #fff;
  border: none;
}

.btn-success:hover {
  background-color: #047857;
  color: #fff;
}

.btn-warning {
  background-color: var(--color-warning);
  color: #fff;
  border: none;
}

.btn-warning:hover {
  background-color: #b45309;
  color: #fff;
}

/* ==================== LOGIN PAGE ==================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.login-logo h1 {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
}

.login-logo p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.login-form .form-group {
  margin-bottom: var(--space-5);
}

.login-form .btn-primary {
  width: 100%;
  padding: var(--space-3) var(--space-6);
}

.login-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-base);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  display: none;
}

.login-error.visible {
  display: block;
}

/* ==================== PRINT STYLES ==================== */

@media print {
  .sidebar,
  .topbar,
  .page-header-actions,
  .sidebar-toggle,
  #toast-container,
  .btn,
  .no-print {
    display: none !important;
  }

  .app-layout {
    display: block;
  }

  .app-main {
    margin-left: 0;
  }

  .app-content {
    padding: 0;
    max-width: 100%;
  }

  .invoice-document {
    border: none;
    box-shadow: none;
    padding: 0;
    max-width: 100%;
  }

  body {
    background-color: #fff;
    color: #000;
    font-size: 12pt;
  }

  .data-table th,
  .data-table td {
    border: 1px solid #ccc;
  }
}

/* ==================== RESPONSIVE ==================== */

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

  .charts-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .sidebar-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-header) - 1);
  }

  .app-main {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: block;
  }

  .sidebar-close {
    display: block;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-row-3 {
    grid-template-columns: 1fr;
  }

  .form-row-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .invoice-header-row {
    flex-direction: column;
    gap: var(--space-4);
  }

  .invoice-title {
    text-align: left;
  }

  .invoice-meta-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .detail-row {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }
}

@media (max-width: 768px) {
  .app-content {
    padding: var(--space-4);
  }

  .topbar {
    padding: var(--space-3) var(--space-4);
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-header-actions {
    width: 100%;
  }

  .page-header-actions .btn {
    flex: 1;
  }

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

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

  .filter-input,
  .filter-select {
    min-width: 0;
    width: 100%;
  }

  .kanban-board {
    min-height: 300px;
  }

  .kanban-column {
    flex: 0 0 260px;
  }

  #toast-container {
    left: var(--space-4);
    right: var(--space-4);
    max-width: none;
  }

  .modal-dialog {
    max-width: 100%;
    margin: var(--space-4);
  }

  .form-row-4 {
    grid-template-columns: 1fr;
  }

  .data-table {
    font-size: var(--text-xs);
  }

  .data-table th,
  .data-table td {
    padding: var(--space-2) var(--space-3);
  }
}

/* ==================== UTILITY CLASSES ==================== */

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

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

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

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

.text-small {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

.text-bold {
  font-weight: var(--font-bold);
}

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

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

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

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

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.justify-center {
  justify-content: center;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.w-full { width: 100%; }
.w-auto { width: auto; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.cursor-pointer { cursor: pointer; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Spacing between sections */
.section-gap {
  margin-bottom: var(--space-8);
}

/* Subtle card */
.card-flat {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* Summary row */
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--bg-secondary);
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-row.total {
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  border-top: 2px solid var(--border-color);
  padding-top: var(--space-3);
  margin-top: var(--space-2);
}

/* ==================== SIDEBAR COLLAPSED (DESKTOP) ==================== */

.sidebar-collapsed .sidebar {
  width: 68px;
  overflow: hidden;
}

.sidebar-collapsed .sidebar .sidebar-link span:not(.sidebar-icon) {
  display: none;
}

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

.sidebar-collapsed .sidebar .sidebar-logo-img {
  width: 32px;
  height: 32px;
}

.sidebar-collapsed .sidebar .sidebar-header {
  justify-content: center;
  padding: var(--space-4) var(--space-2);
}

.sidebar-collapsed .sidebar .sidebar-link {
  justify-content: center;
  padding: var(--space-3) var(--space-2);
}

.sidebar-collapsed .sidebar .sidebar-icon {
  width: 24px;
  height: 24px;
  font-size: var(--text-base);
}

.sidebar-collapsed .sidebar .sidebar-footer {
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2);
}

.sidebar-collapsed .sidebar .sidebar-user {
  display: none;
}

.sidebar-collapsed .sidebar .sidebar-divider {
  margin: var(--space-2) var(--space-2);
}

.sidebar-collapsed .sidebar .sidebar-nav {
  padding: var(--space-2) 0;
}

.sidebar-collapsed .app-main {
  margin-left: 68px;
}

.sidebar-collapsed .sidebar .sidebar-collapse-btn {
  transform: rotate(180deg);
}

/* Sidebar logo */
.sidebar-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.sidebar-logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.sidebar-logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: #1a1a2e;
}

/* Collapse toggle button */
.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: var(--radius-base);
  color: #666;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 14px;
}

.sidebar-collapse-btn:hover {
  background: rgba(0, 0, 0, 0.1);
  color: #1a1a2e;
}

/* ==================== APPLE HIG MATERIALS / VIBRANCY ==================== */

/* App background — subtle like macOS */
.app-layout {
  background: #f5f5f7;
  min-height: 100vh;
}

/* Thick material — cards, panels, containers */
.metric-card,
.card-flat,
.chart-container,
.table-container,
.detail-panel {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 0.5px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 0.5px 0 rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
  border-radius: 12px;
}

/* Chrome material — topbar */
.topbar {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
}

/* Ultra-thin material — modals */
.modal-dialog {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(40px);
  -webkit-backdrop-filter: saturate(180%) blur(40px);
  border: 0.5px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 22px 70px 4px rgba(0, 0, 0, 0.12), 0 0 0 0.5px rgba(0, 0, 0, 0.06);
  border-radius: 14px;
}

/* Modal overlay */
.modal.active {
  background: rgba(0, 0, 0, 0.25);
}

/* Login card */
.login-card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border: 0.5px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 22px 70px 4px rgba(0, 0, 0, 0.08);
  border-radius: 14px;
}

/* Toast — system notification style */
.toast {
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Metric cards — subtle hover lift */
.metric-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.metric-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* Data table inside containers — clean edges */
.table-container .data-table {
  border: none;
}

/* Buttons — rounded like SF */
.btn {
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.btn:active {
  transform: scale(0.98);
}

/* Form inputs — Apple style */
.form-input,
.form-select,
.form-textarea,
.filter-input,
.filter-select {
  border-radius: 8px;
  border: 0.5px solid rgba(0, 0, 0, 0.12);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.12);
}

/* Badges — rounded pills */
.badge {
  border-radius: 6px;
  font-weight: 500;
}

/* ==================== DASHBOARD COMPONENTS ==================== */
/* Moved from dashboard.html inline <style> */

.period-bar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}

.period-btn {
  padding: 5px 12px;
  border-radius: 6px;
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.period-btn:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}

.period-btn.active {
  background: #007AFF;
  color: #fff;
}

.period-btn:active {
  transform: scale(0.96);
}

.period-sep {
  width: 1px;
  height: 20px;
  background: rgba(0, 0, 0, 0.1);
  margin: 0 4px;
}

.period-year-select {
  padding: 5px 8px;
  border-radius: 6px;
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-primary);
  color: var(--text-secondary);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  padding-right: 18px;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 4px center;
}

.period-year-select:focus {
  outline: none;
}

.period-year-select.active {
  background-color: #007AFF;
  color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  border-radius: 6px;
}

.metrics-grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 1200px) {
  .metrics-grid-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .metrics-grid-6 { grid-template-columns: repeat(2, 1fr); }
}

.metric-card.loading .metric-card-value {
  opacity: 0.3;
  transition: opacity 0.15s;
}

.charts-grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 900px) {
  .charts-grid-2x2 { grid-template-columns: 1fr; }
}

.chart-container {
  min-height: 280px;
}

.chart-wrapper {
  height: 260px;
  position: relative;
}

.chart-container.loading .chart-wrapper {
  opacity: 0.3;
  transition: opacity 0.15s;
}

/* ==================== THEME TOGGLE ==================== */

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-base);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 16px;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background-color: rgba(0, 0, 0, 0.05);
  color: var(--text-primary);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==================== DARK MODE ==================== */

html.theme-dark {
  /* Core design tokens */
  --bg-primary: #1c1c1e;
  --bg-secondary: #2c2c2e;
  --bg-tertiary: #3a3a3c;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #636366;
  --text-inverse: #1c1c1e;
  --text-accent: var(--color-primary);
  --color-accent: var(--color-primary);
  --color-accent-dark: #ff5a7a;
  --color-accent-light: #d91a40;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-hover: rgba(255, 255, 255, 0.18);
  --color-gray-200: #3a3a3c;
  --color-gray-600: #a1a1a6;
  --color-gray-700: #48484a;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-base: 0 2px 4px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 8px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 30px -5px rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}

/* --- Layout --- */

html.theme-dark .app-layout {
  background: #1c1c1e;
}

html.theme-dark body {
  background-color: #1c1c1e;
}

/* --- Sidebar --- */

html.theme-dark .sidebar {
  background: rgba(28, 28, 30, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-right-color: rgba(255, 255, 255, 0.06);
  color: #f5f5f7;
}

html.theme-dark .sidebar-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .sidebar-logo-text {
  color: #f5f5f7;
}

html.theme-dark .sidebar-link {
  color: #a1a1a6;
}

html.theme-dark .sidebar-link:hover {
  color: #f5f5f7;
  background-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .sidebar-link.active {
  color: var(--color-primary);
  background-color: rgba(255, 33, 78, 0.12);
}

html.theme-dark .sidebar-divider {
  background-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .sidebar-footer {
  border-top-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .sidebar-user-name {
  color: #f5f5f7;
}

html.theme-dark .sidebar-user-role {
  color: #636366;
}

html.theme-dark .sidebar-close {
  color: #636366;
}

html.theme-dark .sidebar-close:hover {
  color: #f5f5f7;
}

html.theme-dark .sidebar-collapse-btn {
  background: rgba(255, 255, 255, 0.06);
  color: #636366;
}

html.theme-dark .sidebar-collapse-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #f5f5f7;
}

/* Sidebar open overlay (mobile) */
html.theme-dark .sidebar-open::before {
  background-color: rgba(0, 0, 0, 0.6);
}

/* --- Topbar --- */

html.theme-dark .topbar {
  background: rgba(28, 28, 30, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

/* --- Theme toggle dark variant --- */

html.theme-dark .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

/* --- Apple HIG materials (dark) --- */

html.theme-dark .metric-card,
html.theme-dark .card-flat,
html.theme-dark .chart-container,
html.theme-dark .table-container,
html.theme-dark .detail-panel,
html.theme-dark .invoice-document {
  background: rgba(44, 44, 46, 0.65);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0.5px 0 rgba(0, 0, 0, 0.2), 0 1px 4px rgba(0, 0, 0, 0.15);
}

html.theme-dark .metric-card:hover {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

/* --- Modal (dark) --- */

html.theme-dark .modal.active {
  background: rgba(0, 0, 0, 0.55);
}

html.theme-dark .modal-dialog {
  background: rgba(44, 44, 46, 0.92);
  backdrop-filter: saturate(180%) blur(40px);
  -webkit-backdrop-filter: saturate(180%) blur(40px);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 22px 70px 4px rgba(0, 0, 0, 0.35), 0 0 0 0.5px rgba(255, 255, 255, 0.06);
}

html.theme-dark .modal-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .modal-footer {
  border-top-color: rgba(255, 255, 255, 0.06);
}

/* --- Actions menu (dark) --- */

html.theme-dark .actions-menu {
  background: rgba(44, 44, 46, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35), 0 0 0 0.5px rgba(255, 255, 255, 0.06);
}

html.theme-dark .actions-menu-item:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .actions-menu-item.danger:hover {
  background-color: rgba(239, 68, 68, 0.15);
}

html.theme-dark .actions-menu-divider {
  background-color: rgba(255, 255, 255, 0.06);
}

/* --- Login page (dark) --- */

html.theme-dark .login-page {
  background: linear-gradient(135deg, #3d4e8a 0%, #4a2d6a 100%);
}

html.theme-dark .login-card {
  background: rgba(44, 44, 46, 0.85);
  backdrop-filter: saturate(180%) blur(30px);
  -webkit-backdrop-filter: saturate(180%) blur(30px);
  border-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .login-error {
  background-color: rgba(239, 68, 68, 0.15);
}

/* --- Tables (dark) --- */

html.theme-dark .data-table thead {
  background-color: rgba(255, 255, 255, 0.03);
}

html.theme-dark .data-table th {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .data-table th.sortable:hover {
  color: #f5f5f7;
  background-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .data-table td {
  border-bottom-color: rgba(255, 255, 255, 0.04);
}

html.theme-dark .data-table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

html.theme-dark .table-filters {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .table-header {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

/* --- Badges (dark — lighter text for contrast) --- */

html.theme-dark .badge-gray {
  background-color: rgba(99, 99, 102, 0.3);
  color: #a1a1a6;
}

html.theme-dark .badge-blue {
  background-color: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

html.theme-dark .badge-green {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

html.theme-dark .badge-red {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

html.theme-dark .badge-yellow {
  background-color: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

html.theme-dark .badge-purple {
  background-color: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

html.theme-dark .badge-dark {
  background-color: rgba(99, 99, 102, 0.5);
  color: #d1d1d6;
}

/* --- Buttons (dark) --- */

html.theme-dark .btn-secondary {
  color: #f5f5f7;
  border-color: rgba(255, 255, 255, 0.15);
}

html.theme-dark .btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

html.theme-dark .row-actions-trigger:hover,
html.theme-dark .row-actions-trigger.active {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

/* --- Forms (dark) --- */

html.theme-dark .form-input,
html.theme-dark .form-select,
html.theme-dark .form-textarea,
html.theme-dark .filter-input,
html.theme-dark .filter-select {
  background-color: rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 255, 255, 0.1);
  color: #f5f5f7;
}

html.theme-dark .form-input:focus,
html.theme-dark .form-select:focus,
html.theme-dark .form-textarea:focus,
html.theme-dark .filter-input:focus,
html.theme-dark .filter-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 33, 78, 0.15);
}

html.theme-dark .form-input::placeholder,
html.theme-dark .form-textarea::placeholder,
html.theme-dark .filter-input::placeholder {
  color: #636366;
}

html.theme-dark .form-input:disabled,
html.theme-dark .form-select:disabled,
html.theme-dark .form-textarea:disabled {
  background-color: rgba(255, 255, 255, 0.04);
  color: #636366;
}

html.theme-dark .form-actions {
  border-top-color: rgba(255, 255, 255, 0.06);
}

/* --- Metric/stat card icons (dark) --- */

html.theme-dark .metric-card-icon {
  background-color: rgba(255, 33, 78, 0.15);
}

html.theme-dark .metric-card-icon.icon-red { background-color: rgba(239, 68, 68, 0.15); color: #f87171; }
html.theme-dark .metric-card-icon.icon-green { background-color: rgba(16, 185, 129, 0.15); color: #34d399; }
html.theme-dark .metric-card-icon.icon-yellow { background-color: rgba(245, 158, 11, 0.15); color: #fbbf24; }
html.theme-dark .metric-card-icon.icon-purple { background-color: rgba(139, 92, 246, 0.15); color: #a78bfa; }
html.theme-dark .metric-card-icon.icon-blue { background-color: rgba(59, 130, 246, 0.15); color: #60a5fa; }

html.theme-dark .stat-card-icon {
  background-color: rgba(255, 33, 78, 0.15);
}

html.theme-dark .metric-card-trend.up {
  background-color: rgba(16, 185, 129, 0.15);
}

html.theme-dark .metric-card-trend.down {
  background-color: rgba(239, 68, 68, 0.15);
}

/* --- Kanban (dark) --- */

html.theme-dark .kanban-column {
  background-color: rgba(44, 44, 46, 0.5);
}

html.theme-dark .kanban-column-header {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .kanban-column-count {
  background-color: rgba(255, 255, 255, 0.08);
}

html.theme-dark .kanban-card {
  background-color: rgba(44, 44, 46, 0.8);
  border-color: rgba(255, 255, 255, 0.06);
}

/* --- Tabs (dark) --- */

html.theme-dark .tabs {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* --- Detail panel (dark) --- */

html.theme-dark .detail-panel-title {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .detail-row {
  border-bottom-color: rgba(255, 255, 255, 0.04);
}

/* --- Summary row (dark) --- */

html.theme-dark .summary-row {
  border-bottom-color: rgba(255, 255, 255, 0.04);
}

html.theme-dark .summary-row.total {
  border-top-color: rgba(255, 255, 255, 0.1);
}

/* --- Invoice (dark) --- */

html.theme-dark .invoice-lines-table th {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

html.theme-dark .invoice-lines-table td {
  border-bottom-color: rgba(255, 255, 255, 0.04);
}

html.theme-dark .invoice-totals-table tr.total-row td {
  border-top-color: rgba(255, 255, 255, 0.1);
}

html.theme-dark .invoice-notes {
  border-top-color: rgba(255, 255, 255, 0.06);
}

html.theme-dark .invoice-meta-row {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

/* --- Dashboard period buttons (dark) --- */

html.theme-dark .period-btn {
  color: #a1a1a6;
}

html.theme-dark .period-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #f5f5f7;
}

html.theme-dark .period-sep {
  background: rgba(255, 255, 255, 0.1);
}

html.theme-dark .period-year-select {
  color: #a1a1a6;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23636366' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* --- Toast (dark) --- */

html.theme-dark .toast {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* --- Pagination (dark) --- */

html.theme-dark .pagination .btn:disabled {
  opacity: 0.3;
}

/* --- Empty state (dark) --- */

html.theme-dark .empty-state-icon {
  opacity: 0.25;
}

/* --- Links in dark mode --- */

html.theme-dark a {
  color: var(--color-primary);
}

html.theme-dark a:hover {
  color: #ff5a7a;
}

/* --- Code blocks (dark) --- */

html.theme-dark code {
  background-color: rgba(255, 255, 255, 0.06);
}

/* --- Scrollbar (dark) --- */

html.theme-dark ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

html.theme-dark ::-webkit-scrollbar-track {
  background: transparent;
}

html.theme-dark ::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

html.theme-dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* --- Print: always force light --- */

@media print {
  html.theme-dark {
    --bg-primary: #fff;
    --text-primary: #000;
    --border-color: #ccc;
    color-scheme: light;
  }
}