/**
 * Operations Control System - Design System
 * Enterprise-grade Clearing & Freight Forwarding UI
 * Color palette: Charcoal, soft white, muted blue accent
 */

:root {
  /* Safe areas for notched devices */
  --safe-area-top: env(safe-area-inset-top, 0);
  --safe-area-bottom: env(safe-area-inset-bottom, 0);
  --safe-area-left: env(safe-area-inset-left, 0);
  --safe-area-right: env(safe-area-inset-right, 0);

  /* Neutral palette */
  --color-charcoal: #1a1d21;
  --color-charcoal-light: #2d3238;
  --color-slate: #4a5568;
  --color-slate-light: #718096;
  --color-gray: #a0aec0;
  --color-gray-light: #e2e8f0;
  --color-bg: #f7f8fa;
  --color-bg-card: #ffffff;
  --color-white: #ffffff;

  /* Accent */
  --color-accent: #3b82c6;
  --color-accent-hover: #2563eb;
  --color-accent-muted: #93c5fd;

  /* Status */
  --color-success: #059669;
  --color-success-bg: #d1fae5;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Consolas', monospace;

  /* Spacing rhythm */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);

  /* Sidebar */
  --sidebar-width: 240px;
  --sidebar-collapsed: 72px;
  --header-height: 56px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-charcoal);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--color-charcoal);
  margin: 0 0 var(--space-md);
}

h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }

/* Form elements */
input, select, textarea, button {
  font-family: inherit;
  font-size: inherit;
}

input:focus, select:focus, textarea:focus, button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 18px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

.btn-secondary {
  background: var(--color-white);
  color: var(--color-slate);
  border: 1px solid var(--color-gray-light);
}

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

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

.btn-accent:hover {
  background: var(--color-accent-hover);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Tables */
.table-container {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
}

.table-container table {
  min-width: 600px;
}

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

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-light);
}

.data-table th {
  font-weight: 600;
  color: var(--color-slate);
  background: var(--color-bg);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tr:hover td {
  background: rgba(0, 0, 0, 0.01);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.badge-active {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-suspended {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge-role {
  background: var(--color-gray-light);
  color: var(--color-slate);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

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

.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.98);
  transition: transform 0.2s;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-gray-light);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-gray-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Modal/panel buttons: override Tailwind preflight so they stay visible (not transparent) */
.modal-footer .btn-primary,
.modal-footer button.btn-primary {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  opacity: 1;
}
.modal-footer .btn-secondary,
.modal-footer button.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-slate);
  border: 1px solid var(--color-gray-light);
  opacity: 1;
}
.form-actions .btn-primary,
.form-actions button.btn-primary {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  opacity: 1;
}
.form-actions .btn-secondary,
.form-actions button.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-slate);
  border: 1px solid var(--color-gray-light);
  opacity: 1;
}
.signout-modal-actions .btn,
.signout-modal-actions button {
  opacity: 1;
}
.signout-modal-actions .signout-btn-cancel {
  background-color: var(--color-white);
  color: var(--color-slate);
  border: 1px solid var(--color-gray-light);
}
.signout-modal-actions .signout-btn-confirm {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

/* Form fields */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: var(--space-sm);
  font-size: 13px;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  color: var(--color-charcoal);
  transition: border-color 0.15s;
}

.form-input:hover {
  border-color: var(--color-gray);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 198, 0.15);
}

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

.form-input.error {
  border-color: var(--color-danger);
}

.form-error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: var(--space-xs);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-slate);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

/* Loading */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-gray-light);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============================================
   RESPONSIVE - Global
   ============================================ */

@media (max-width: 768px) {
  .table-container {
    margin-left: calc(-1 * var(--space-md));
    margin-right: calc(-1 * var(--space-md));
    border-radius: 0;
    overflow: visible;
  }

  .table-container table {
    min-width: 0;
  }

  .modal {
    max-width: calc(100% - 32px);
    margin: 16px;
    max-height: calc(100vh - 32px);
  }

  .modal-overlay {
    padding: 16px;
    align-items: flex-start;
  }
}

/* ============================================
   RESPONSIVE TABLES - Card layout on mobile
   Applies to all table wrappers
   ============================================ */
@media (max-width: 768px) {
  .table-container,
  .config-table-wrap,
  .delivery-table-wrap,
  .audit-table-wrap,
  .exec-table-wrap,
  .wa-table-wrap,
  .alerts-table-wrapper,
  .documents-table-section,
  .documents-audit-content,
  .audit-table-container,
  #customerTableWrapper,
  #shipmentTableWrapper {
    overflow: visible;
  }

  #shipmentTableWrapper .overflow-x-auto {
    overflow: visible;
  }

  .table-container table,
  .config-table-wrap table,
  .delivery-table-wrap table,
  .audit-table-wrap table,
  .exec-table-wrap table,
  .wa-table-wrap table,
  .alerts-table-wrapper table,
  .documents-table,
  .documents-table-section table,
  .documents-audit-content table,
  .audit-table-container table,
  #customerTableWrapper table,
  #shipmentTableWrapper table {
    display: block;
    min-width: 0;
  }

  .table-container thead,
  .config-table-wrap thead,
  .delivery-table-wrap thead,
  .audit-table-wrap thead,
  .exec-table-wrap thead,
  .wa-table-wrap thead,
  .alerts-table-wrapper thead,
  .documents-table-section thead,
  .documents-audit-content thead,
  .audit-table-container thead,
  #customerTableWrapper thead,
  #shipmentTableWrapper thead {
    display: none;
  }

  .table-container tbody,
  .config-table-wrap tbody,
  .delivery-table-wrap tbody,
  .audit-table-wrap tbody,
  .exec-table-wrap tbody,
  .wa-table-wrap tbody,
  .alerts-table-wrapper tbody,
  .documents-table-section tbody,
  .documents-audit-content tbody,
  .audit-table-container tbody,
  #customerTableWrapper tbody,
  #shipmentTableWrapper tbody {
    display: block;
  }

  .table-container tbody tr,
  .config-table-wrap tbody tr,
  .delivery-table-wrap tbody tr,
  .audit-table-wrap tbody tr,
  .exec-table-wrap tbody tr,
  .wa-table-wrap tbody tr,
  .alerts-table-wrapper tbody tr,
  .documents-table-section tbody tr,
  .documents-audit-content tbody tr,
  .audit-table-container tbody tr,
  #customerTableWrapper tbody tr,
  #shipmentTableWrapper tbody tr {
    display: block;
    border: 1px solid var(--color-gray-light);
    margin-bottom: 12px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg-card);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  }

  .table-container tbody tr:last-child,
  .config-table-wrap tbody tr:last-child,
  .delivery-table-wrap tbody tr:last-child,
  .audit-table-wrap tbody tr:last-child,
  .exec-table-wrap tbody tr:last-child,
  .wa-table-wrap tbody tr:last-child,
  .alerts-table-wrapper tbody tr:last-child,
  .documents-table-section tbody tr:last-child,
  .documents-audit-content tbody tr:last-child,
  .audit-table-container tbody tr:last-child,
  #customerTableWrapper tbody tr:last-child,
  #shipmentTableWrapper tbody tr:last-child {
    margin-bottom: 0;
  }

  .table-container td,
  .config-table-wrap td,
  .delivery-table-wrap td,
  .audit-table-wrap td,
  .exec-table-wrap td,
  .wa-table-wrap td,
  .alerts-table-wrapper td,
  .documents-table-section td,
  .documents-audit-content td,
  .audit-table-container td,
  #customerTableWrapper td,
  #shipmentTableWrapper td {
    display: block;
    padding: 10px 16px;
    border-bottom: 1px solid #f1f5f9;
    text-align: left;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .table-container td:last-child,
  .config-table-wrap td:last-child,
  .delivery-table-wrap td:last-child,
  .audit-table-wrap td:last-child,
  .exec-table-wrap td:last-child,
  .wa-table-wrap td:last-child,
  .alerts-table-wrapper td:last-child,
  .documents-table-section td:last-child,
  .documents-audit-content td:last-child,
  .audit-table-container td:last-child,
  #customerTableWrapper td:last-child,
  #shipmentTableWrapper td:last-child {
    border-bottom: none;
  }

  .table-container td::before,
  .config-table-wrap td::before,
  .delivery-table-wrap td::before,
  .audit-table-wrap td::before,
  .exec-table-wrap td::before,
  .wa-table-wrap td::before,
  .alerts-table-wrapper td::before,
  .documents-table-section td::before,
  .documents-audit-content td::before,
  .audit-table-container td::before,
  #customerTableWrapper td::before,
  #shipmentTableWrapper td::before {
    content: attr(data-label);
    display: block;
    font-weight: 600;
    font-size: 11px;
    color: var(--color-slate);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
  }

  /* Actions column: full width, no label */
  .table-container td[data-label="Actions"],
  .table-container td[data-label=""],
  .config-table-wrap td:last-child,
  .delivery-table-wrap td[data-label="Actions"],
  .audit-table-wrap td:last-child,
  .exec-table-wrap td:last-child,
  .wa-table-wrap td:last-child,
  .alerts-table-wrapper td[data-label="Actions"],
  .alerts-table-wrapper td:last-child,
  .documents-table-section td[data-label="Actions"],
  .documents-table-section td:last-child,
  .documents-audit-content td:last-child,
  .audit-table-container td:last-child,
  #customerTableWrapper td[data-label="Actions"],
  #customerTableWrapper td:last-child,
  #shipmentTableWrapper td[data-label="Actions"],
  #shipmentTableWrapper td:last-child {
    padding-left: 16px;
    padding-top: 12px;
    border-top: 1px solid #f1f5f9;
  }

  .table-container td[data-label="Actions"]::before,
  .config-table-wrap td:last-child::before,
  .delivery-table-wrap td[data-label="Actions"]::before,
  .audit-table-wrap td:last-child::before,
  .exec-table-wrap td:last-child::before,
  .wa-table-wrap td:last-child::before,
  .alerts-table-wrapper td[data-label="Actions"]::before,
  .alerts-table-wrapper td:last-child::before,
  .documents-table-section td[data-label="Actions"]::before,
  .documents-table-section td:last-child::before,
  .documents-audit-content td:last-child::before,
  .audit-table-container td:last-child::before,
  #customerTableWrapper td[data-label="Actions"]::before,
  #customerTableWrapper td:last-child::before,
  #shipmentTableWrapper td[data-label="Actions"]::before,
  #shipmentTableWrapper td:last-child::before {
    display: none;
  }
}

/* Touch-friendly: minimum 44px tap targets on touch devices */
@media (pointer: coarse) {
  .btn:not(.btn-sm):not(.btn-link),
  .nav-item {
    min-height: 44px;
  }

  .nav-item {
    padding: 12px 16px;
  }

  .header-btn {
    padding: 10px;
    min-width: 44px;
    min-height: 44px;
  }
}

/* Dark theme tokens and components live in dark-theme.css (loaded after dashboard.css) */