/*
 * Tasck SaaS — Shared Design System
 * Single source of truth for tokens, components, and responsive utilities.
 * Included in every layout: tenant, admin, portal, partner, resource-portal.
 */

/* ─── CSS Custom Properties (Tokens) ────────────────────────────────────── */
:root {
  /* Primary palette — Slate */
  --ds-primary:       #0f172a;
  --ds-primary-hover: #1e293b;
  --ds-primary-50:    #f8fafc;
  --ds-primary-100:   #f1f5f9;
  --ds-primary-200:   #e2e8f0;
  --ds-primary-300:   #cbd5e1;
  --ds-primary-400:   #94a3b8;
  --ds-primary-500:   #64748b;
  --ds-primary-600:   #475569;
  --ds-primary-700:   #334155;
  --ds-primary-800:   #1e293b;
  --ds-primary-900:   #0f172a;

  /* Action / CTA — Emerald */
  --ds-action:           #059669;
  --ds-action-hover:     #047857;
  --ds-action-light:     #dcfce7;
  --ds-action-text:      #065f46;
  --ds-action-border:    #6ee7b7;

  /* Accent — Indigo (links, focus, highlights) */
  --ds-accent:           #4f46e5;
  --ds-accent-hover:     #4338ca;
  --ds-accent-light:     #e0e7ff;
  --ds-accent-text:      #3730a3;

  /* Semantic */
  --ds-danger:           #dc2626;
  --ds-danger-hover:     #b91c1c;
  --ds-danger-light:     #fee2e2;
  --ds-danger-border:    #fca5a5;
  --ds-danger-text:      #991b1b;

  --ds-warning:          #d97706;
  --ds-warning-hover:    #b45309;
  --ds-warning-light:    #fef3c7;
  --ds-warning-border:   #fcd34d;
  --ds-warning-text:     #92400e;

  --ds-success:          #059669;
  --ds-success-hover:    #047857;
  --ds-success-light:    #dcfce7;
  --ds-success-border:   #6ee7b7;
  --ds-success-text:     #065f46;

  --ds-info:             #0ea5e9;
  --ds-info-hover:       #0284c7;
  --ds-info-light:       #e0f2fe;
  --ds-info-border:      #7dd3fc;
  --ds-info-text:        #0c4a6e;

  /* Surface / text */
  --ds-text:             #0f172a;
  --ds-text-secondary:   #475569;
  --ds-text-muted:       #94a3b8;
  --ds-border:           #e2e8f0;
  --ds-border-hover:     #cbd5e1;
  --ds-bg:               #f8fafc;
  --ds-bg-alt:           #f1f5f9;
  --ds-surface:          #ffffff;

  /* Sidebar */
  --ds-sidebar-bg:              #0f172a;
  --ds-sidebar-border:          #1e293b;
  --ds-sidebar-text:            #94a3b8;
  --ds-sidebar-text-active:     #ffffff;
  --ds-sidebar-hover-bg:        rgba(255,255,255,0.08);
  --ds-sidebar-active-bg:       rgba(255,255,255,0.10);
  --ds-sidebar-active-border:   #10b981;
  --ds-sidebar-width:           260px;
  --ds-sidebar-width-collapsed: 72px;

  /* Header */
  --ds-header-bg:     #ffffff;
  --ds-header-border: #f1f5f9;
  --ds-header-h:      64px;

  /* Typography */
  --ds-font:       -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --ds-font-mono:  'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
  --ds-text-xs:    0.65rem;
  --ds-text-sm:    0.75rem;
  --ds-text-base:  0.875rem;
  --ds-text-md:    1rem;
  --ds-text-lg:    1.125rem;
  --ds-text-xl:    1.375rem;
  --ds-text-2xl:   1.75rem;
  --ds-text-3xl:   2rem;
  --ds-leading:    1.5;

  /* Spacing */
  --ds-sp-1:  0.25rem;
  --ds-sp-2:  0.5rem;
  --ds-sp-3:  0.75rem;
  --ds-sp-4:  1rem;
  --ds-sp-5:  1.25rem;
  --ds-sp-6:  1.5rem;
  --ds-sp-8:  2rem;
  --ds-sp-10: 2.5rem;
  --ds-sp-12: 3rem;

  /* Border radius */
  --ds-r-xs:   0.375rem;
  --ds-r-sm:   0.5rem;
  --ds-r-md:   0.75rem;
  --ds-r-lg:   1rem;
  --ds-r-xl:   1.25rem;
  --ds-r-full: 9999px;

  /* Shadows */
  --ds-shadow-xs: 0 1px 3px rgba(15,23,42,0.06);
  --ds-shadow-sm: 0 2px 8px -2px rgba(15,23,42,0.10);
  --ds-shadow-md: 0 4px 16px -4px rgba(15,23,42,0.14);
  --ds-shadow-lg: 0 10px 30px -8px rgba(15,23,42,0.18);
  --ds-shadow-xl: 0 20px 40px -12px rgba(15,23,42,0.22);

  /* Transitions */
  --ds-transition: all 0.16s ease;
  --ds-transition-fast: all 0.10s ease;

  /* Z-index ladder */
  --ds-z-dropdown:  30;
  --ds-z-sticky:    40;
  --ds-z-modal:     60;
  --ds-z-toast:     80;
}

/* ─── Base Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

/* ─── Shared Button System (ds-btn) ─────────────────────────────────────── */
.ds-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.375rem;
  padding: 0.55rem 1rem;
  border-radius: var(--ds-r-md);
  border: 1px solid transparent;
  background: var(--ds-surface);
  color: var(--ds-text);
  font-family: var(--ds-font);
  font-size: var(--ds-text-base);
  font-weight: 600;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--ds-transition);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.ds-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(79,70,229,.25);
}
.ds-btn:active { transform: translateY(1px); }
.ds-btn:disabled,
.ds-btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

/* Variants */
.ds-btn-primary {
  background: var(--ds-primary);
  border-color: var(--ds-primary);
  color: #ffffff;
}
.ds-btn-primary:hover { background: var(--ds-primary-hover); border-color: var(--ds-primary-hover); color: #fff; }

.ds-btn-action {
  background: var(--ds-action);
  border-color: var(--ds-action);
  color: #ffffff;
}
.ds-btn-action:hover { background: var(--ds-action-hover); border-color: var(--ds-action-hover); color: #fff; }

.ds-btn-accent {
  background: var(--ds-accent);
  border-color: var(--ds-accent);
  color: #ffffff;
}
.ds-btn-accent:hover { background: var(--ds-accent-hover); border-color: var(--ds-accent-hover); color: #fff; }

.ds-btn-outline {
  background: var(--ds-surface);
  border-color: var(--ds-border);
  color: var(--ds-text);
}
.ds-btn-outline:hover { background: var(--ds-bg); border-color: var(--ds-border-hover); color: var(--ds-text); }

.ds-btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ds-text-secondary);
}
.ds-btn-ghost:hover { background: var(--ds-bg-alt); color: var(--ds-text); }

.ds-btn-danger {
  background: var(--ds-danger-light);
  border-color: var(--ds-danger-border);
  color: var(--ds-danger-text);
}
.ds-btn-danger:hover { background: #fecdd3; border-color: #fda4af; color: #9f1239; }

/* Sizes */
.ds-btn-xs {
  min-height: 1.875rem;
  padding: 0.3rem 0.625rem;
  font-size: var(--ds-text-sm);
  border-radius: var(--ds-r-sm);
  gap: 0.3rem;
}
.ds-btn-sm {
  min-height: 2.125rem;
  padding: 0.4rem 0.75rem;
  font-size: var(--ds-text-sm);
  border-radius: var(--ds-r-sm);
}
.ds-btn-lg {
  min-height: 2.75rem;
  padding: 0.7rem 1.25rem;
  font-size: var(--ds-text-md);
  border-radius: var(--ds-r-lg);
}
.ds-btn-icon {
  width: 2.375rem;
  padding: 0;
}
.ds-btn-icon.ds-btn-sm { width: 2.125rem; }
.ds-btn-icon.ds-btn-xs { width: 1.875rem; }

/* Loading state */
.ds-btn.is-loading { color: transparent !important; }
.ds-btn.is-loading::after {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ds-spin 0.8s linear infinite;
}
@keyframes ds-spin { to { transform: rotate(360deg); } }

/* ─── Card ───────────────────────────────────────────────────────────────── */
.ds-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-r-lg);
  box-shadow: var(--ds-shadow-sm);
}
.ds-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--ds-border);
}
.ds-card-title {
  font-size: var(--ds-text-md);
  font-weight: 700;
  color: var(--ds-text);
  margin: 0;
}
.ds-card-subtitle {
  font-size: var(--ds-text-sm);
  color: var(--ds-text-muted);
  margin-top: 0.2rem;
}
.ds-card-body { padding: 1.25rem; }
.ds-card-footer {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--ds-border);
  background: var(--ds-bg);
  border-radius: 0 0 var(--ds-r-lg) var(--ds-r-lg);
}

/* ─── Form Elements ──────────────────────────────────────────────────────── */
.ds-label {
  display: block;
  font-size: var(--ds-text-sm);
  font-weight: 600;
  color: var(--ds-text-secondary);
  margin-bottom: 0.375rem;
  letter-spacing: 0.01em;
}
.ds-input,
.ds-select,
.ds-textarea {
  width: 100%;
  padding: 0.55rem 0.875rem;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-r-sm);
  background: var(--ds-surface);
  color: var(--ds-text);
  font-family: var(--ds-font);
  font-size: var(--ds-text-base);
  line-height: var(--ds-leading);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.ds-input::placeholder,
.ds-textarea::placeholder { color: var(--ds-text-muted); }
.ds-input:focus,
.ds-select:focus,
.ds-textarea:focus {
  border-color: var(--ds-accent);
  box-shadow: 0 0 0 3px var(--ds-accent-light);
}
.ds-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.25rem;
  cursor: pointer;
}
.ds-textarea { resize: vertical; min-height: 100px; }
.ds-input-group { position: relative; }
.ds-input-group .ds-input { padding-left: 2.5rem; }
.ds-input-group-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ds-text-muted);
  width: 1rem;
  height: 1rem;
  pointer-events: none;
}
.ds-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.ds-form-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.625rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ds-border);
  margin-top: 1.5rem;
}
.ds-field-error {
  font-size: var(--ds-text-sm);
  color: var(--ds-danger);
  margin-top: 0.25rem;
}

/* ─── Badge / Pill ───────────────────────────────────────────────────────── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.625rem;
  border-radius: var(--ds-r-full);
  font-size: var(--ds-text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.ds-badge-default  { background: var(--ds-bg-alt); color: var(--ds-text-secondary); border-color: var(--ds-border); }
.ds-badge-primary  { background: var(--ds-primary-100); color: var(--ds-primary-700); border-color: var(--ds-primary-200); }
.ds-badge-action   { background: var(--ds-action-light); color: var(--ds-action-text); border-color: var(--ds-action-border); }
.ds-badge-accent   { background: var(--ds-accent-light); color: var(--ds-accent-text); }
.ds-badge-danger   { background: var(--ds-danger-light); color: var(--ds-danger-text); border-color: var(--ds-danger-border); }
.ds-badge-warning  { background: var(--ds-warning-light); color: var(--ds-warning-text); border-color: var(--ds-warning-border); }
.ds-badge-success  { background: var(--ds-success-light); color: var(--ds-success-text); border-color: var(--ds-success-border); }
.ds-badge-info     { background: var(--ds-info-light); color: var(--ds-info-text); border-color: var(--ds-info-border); }
.ds-badge-dot::before {
  content: '';
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.8;
}

/* ─── Table ──────────────────────────────────────────────────────────────── */
.ds-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-r-lg);
  background: var(--ds-surface);
}
.ds-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}
.ds-table thead th {
  padding: 0.7rem 0.875rem;
  text-align: left;
  font-size: var(--ds-text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-text-secondary);
  background: var(--ds-bg);
  border-bottom: 1px solid var(--ds-border);
  white-space: nowrap;
}
.ds-table tbody td {
  padding: 0.75rem 0.875rem;
  font-size: var(--ds-text-base);
  color: var(--ds-text-secondary);
  border-top: 1px solid var(--ds-primary-50);
  vertical-align: middle;
}
.ds-table tbody tr:hover { background: var(--ds-bg); }
.ds-table tbody tr:first-child td { border-top: none; }
.ds-table tfoot td {
  padding: 0.7rem 0.875rem;
  font-size: var(--ds-text-sm);
  font-weight: 600;
  color: var(--ds-text-secondary);
  background: var(--ds-bg);
  border-top: 2px solid var(--ds-border);
}

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.ds-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: var(--ds-z-modal);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.ds-modal-overlay.open {
  opacity: 1;
  visibility: visible;
}
.ds-modal {
  background: var(--ds-surface);
  border-radius: var(--ds-r-xl);
  box-shadow: var(--ds-shadow-xl);
  width: 100%;
  max-height: 90dvh;
  overflow-y: auto;
  transform: scale(0.97) translateY(-8px);
  transition: transform 0.2s ease;
}
.ds-modal-overlay.open .ds-modal { transform: none; }
.ds-modal-sm  { max-width: 460px; }
.ds-modal-md  { max-width: 580px; }
.ds-modal-lg  { max-width: 760px; }
.ds-modal-xl  { max-width: 960px; }
.ds-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.125rem 1.5rem;
  border-bottom: 1px solid var(--ds-border);
}
.ds-modal-title { font-size: var(--ds-text-lg); font-weight: 700; color: var(--ds-text); margin: 0; }
.ds-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--ds-r-sm);
  border: none;
  background: var(--ds-bg-alt);
  color: var(--ds-text-muted);
  cursor: pointer;
  transition: var(--ds-transition);
  flex-shrink: 0;
}
.ds-modal-close:hover { background: var(--ds-border); color: var(--ds-text); }
.ds-modal-body { padding: 1.5rem; }
.ds-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.625rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--ds-border);
  background: var(--ds-bg);
  border-radius: 0 0 var(--ds-r-xl) var(--ds-r-xl);
}

/* ─── Alert / Flash ──────────────────────────────────────────────────────── */
.ds-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: var(--ds-r-md);
  border: 1px solid transparent;
  font-size: var(--ds-text-base);
}
.ds-alert-success { background: var(--ds-success-light); border-color: var(--ds-success-border); color: var(--ds-success-text); }
.ds-alert-danger  { background: var(--ds-danger-light);  border-color: var(--ds-danger-border);  color: var(--ds-danger-text); }
.ds-alert-warning { background: var(--ds-warning-light); border-color: var(--ds-warning-border); color: var(--ds-warning-text); }
.ds-alert-info    { background: var(--ds-info-light);    border-color: var(--ds-info-border);    color: var(--ds-info-text); }

/* ─── Tabs ───────────────────────────────────────────────────────────────── */
.ds-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--ds-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.ds-tabs::-webkit-scrollbar { display: none; }
.ds-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.625rem 1rem;
  font-size: var(--ds-text-base);
  font-weight: 600;
  color: var(--ds-text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  margin-bottom: -2px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: var(--ds-transition);
}
.ds-tab:hover { color: var(--ds-text-secondary); }
.ds-tab.active { color: var(--ds-accent); border-bottom-color: var(--ds-accent); }
.ds-tab-panel { display: none; }
.ds-tab-panel.active { display: block; }

/* ─── Empty State ────────────────────────────────────────────────────────── */
.ds-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 2.5rem 1.5rem;
  border: 1.5px dashed var(--ds-border);
  border-radius: var(--ds-r-lg);
  background: var(--ds-bg);
  text-align: center;
}
.ds-empty-icon { font-size: 2.25rem; opacity: 0.45; line-height: 1; }
.ds-empty-title { font-size: var(--ds-text-md); font-weight: 600; color: var(--ds-text); margin: 0; }
.ds-empty-text  { font-size: var(--ds-text-base); color: var(--ds-text-muted); margin: 0; }

/* ─── Pagination ─────────────────────────────────────────────────────────── */
.ds-pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.ds-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.125rem;
  height: 2.125rem;
  padding: 0 0.5rem;
  border-radius: var(--ds-r-sm);
  border: 1px solid var(--ds-border);
  background: var(--ds-surface);
  color: var(--ds-text-secondary);
  font-size: var(--ds-text-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--ds-transition);
}
.ds-page-btn:hover { background: var(--ds-bg-alt); color: var(--ds-text); }
.ds-page-btn.active { background: var(--ds-primary); border-color: var(--ds-primary); color: #fff; }
.ds-page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Stat / KPI Card ────────────────────────────────────────────────────── */
.ds-kpi {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-r-lg);
  padding: 1rem 1.125rem;
  box-shadow: var(--ds-shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.ds-kpi:hover { transform: translateY(-2px); box-shadow: var(--ds-shadow-md); }
.ds-kpi-label {
  font-size: var(--ds-text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ds-text-muted);
}
.ds-kpi-value {
  font-size: var(--ds-text-2xl);
  font-weight: 800;
  color: var(--ds-text);
  line-height: 1.1;
}
.ds-kpi-note { font-size: var(--ds-text-sm); color: var(--ds-text-muted); }

/* ─── Filter Bar ─────────────────────────────────────────────────────────── */
.ds-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  background: var(--ds-bg);
  border-bottom: 1px solid var(--ds-border);
}
.ds-filter-bar .ds-select,
.ds-filter-bar .ds-input {
  width: auto;
  min-width: 140px;
  max-width: 220px;
}
.ds-filter-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-left: auto;
  flex-wrap: wrap;
}

/* ─── Toast ──────────────────────────────────────────────────────────────── */
.ds-toast-wrap {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--ds-z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.ds-toast {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.875rem 1.125rem;
  border-radius: var(--ds-r-lg);
  box-shadow: var(--ds-shadow-lg);
  font-size: var(--ds-text-base);
  font-weight: 500;
  pointer-events: auto;
  max-width: 360px;
  animation: ds-toast-in 0.25s ease forwards;
}
@keyframes ds-toast-in { from { transform: translateX(110%); opacity: 0; } to { transform: none; opacity: 1; } }
.ds-toast-success { background: var(--ds-success); color: #fff; }
.ds-toast-danger  { background: var(--ds-danger); color: #fff; }
.ds-toast-info    { background: var(--ds-accent); color: #fff; }
.ds-toast-warning { background: var(--ds-warning); color: #fff; }

/* ─── Responsive Table Stacking ─────────────────────────────────────────── */
@media (max-width: 639px) {
  .ds-table-stack thead { display: none; }
  .ds-table-stack tbody tr {
    display: block;
    padding: 0.75rem;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-r-md);
    margin-bottom: 0.5rem;
    background: var(--ds-surface);
  }
  .ds-table-stack tbody td {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.375rem 0;
    border: none;
    font-size: var(--ds-text-sm);
  }
  .ds-table-stack tbody td::before {
    content: attr(data-label);
    font-size: var(--ds-text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ds-text-muted);
    min-width: 90px;
    flex-shrink: 0;
  }
}

/* ─── Grid Utilities ─────────────────────────────────────────────────────── */
.ds-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.ds-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.ds-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.ds-grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }

@media (max-width: 1023px) {
  .ds-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ds-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .ds-grid-4, .ds-grid-3, .ds-grid-2 { grid-template-columns: 1fr; }
}

/* ─── Page Section ───────────────────────────────────────────────────────── */
.ds-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.875rem;
}
.ds-section-title {
  font-size: var(--ds-text-lg);
  font-weight: 700;
  color: var(--ds-text);
  margin: 0;
}
.ds-section-sub {
  font-size: var(--ds-text-base);
  color: var(--ds-text-muted);
  margin: 0.2rem 0 0;
}

/* ─── Sidebar (Admin / Alt Portals) ─────────────────────────────────────── */
.ds-sidebar {
  width: var(--ds-sidebar-width);
  background: var(--ds-sidebar-bg);
  border-right: 1px solid var(--ds-sidebar-border);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.ds-sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: var(--ds-r-md);
  color: var(--ds-sidebar-text);
  font-size: var(--ds-text-base);
  font-weight: 500;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: var(--ds-transition);
  cursor: pointer;
}
.ds-sidebar-nav-item:hover {
  background: var(--ds-sidebar-hover-bg);
  color: var(--ds-sidebar-text-active);
}
.ds-sidebar-nav-item.active {
  background: var(--ds-sidebar-active-bg);
  color: var(--ds-sidebar-text-active);
  border-left-color: var(--ds-sidebar-active-border);
  font-weight: 600;
}
.ds-sidebar-section-label {
  font-size: var(--ds-text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #475569;
  padding: 1rem 1rem 0.375rem;
}

/* ─── Responsive Visibility ──────────────────────────────────────────────── */
@media (max-width: 639px)  { .ds-hide-xs { display: none !important; } }
@media (max-width: 767px)  { .ds-hide-sm { display: none !important; } }
@media (max-width: 1023px) { .ds-hide-md { display: none !important; } }
@media (min-width: 640px)  { .ds-show-xs { display: none !important; } }
@media (min-width: 768px)  { .ds-show-sm { display: none !important; } }
@media (min-width: 1024px) { .ds-show-md { display: none !important; } }

/* ─── Focus visible global fix ───────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--ds-accent);
  outline-offset: 2px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) {
  outline: none;
}

/* ─── Scrollbar (Webkit) ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--ds-primary-200); border-radius: 9999px; }
::-webkit-scrollbar-thumb:hover { background: var(--ds-primary-300); }

/* ─── Utility classes ────────────────────────────────────────────────────── */
.ds-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ds-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.ds-divider { border: none; border-top: 1px solid var(--ds-border); margin: 1rem 0; }
.ds-text-muted { color: var(--ds-text-muted); }
.ds-text-secondary { color: var(--ds-text-secondary); }
.ds-font-mono { font-family: var(--ds-font-mono); }

/* ─── Print ──────────────────────────────────────────────────────────────── */
@media print {
  .ds-sidebar, .ds-topbar, .ds-filter-bar, .ds-btn, nav { display: none !important; }
  .ds-card, .ds-table-wrap { box-shadow: none !important; border: 1px solid #ddd !important; }
}