/* Componentes de referencia. Cargar después de tokens.css. Sin framework. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 80px; }
body { margin: 0; background: var(--color-canvas); color: var(--color-text); font: var(--text-base)/var(--line-ui) var(--font-ui); font-synthesis: none; }
button, input, select, textarea { font: inherit; }
button, select, input[type='checkbox'] { cursor: pointer; }
button, input, select, textarea { accent-color: var(--color-primary); caret-color: var(--color-primary); }
a { color: var(--color-primary-text); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
::selection { background: var(--color-primary-soft); color: var(--color-primary-text); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 16px; background: white; padding: 12px; }
.skip-link:focus { top: 8px; }
.ds-header { position: sticky; top: 0; z-index: var(--z-menu); min-height: 64px; padding: 16px 32px; background: var(--color-surface); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.ds-logo { display: block; width: 184px; height: auto; }
.ds-header nav { display: flex; align-items: center; gap: 24px; }
.ds-header nav a { font-size: var(--text-sm); text-decoration: none; padding-block: 6px; }
.ds-header nav a:hover { text-decoration: underline; }
.ds-main { max-width: 1280px; padding: 40px 32px 64px; margin: auto; }
.ds-page-heading { max-width: 760px; margin-bottom: 32px; }
h1 { font-size: var(--text-title); font-weight: 600; line-height: 1.25; letter-spacing: -.02em; margin: 0 0 12px; }
h2 { font-size: var(--text-section); font-weight: 600; line-height: 1.35; letter-spacing: -.01em; margin: 0; }
h3 { font-size: var(--text-base); font-weight: 600; margin: 0; }
p { margin: 0; }
.ds-muted { color: var(--color-text-muted); }
.ds-page-heading p { line-height: var(--line-prose); max-width: 70ch; }
.ds-section { margin-top: 40px; scroll-margin-top: 84px; }
.ds-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.ds-section-heading p { font-size: var(--text-sm); color: var(--color-text-muted); }
.ds-panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-panel); }
.ds-foundations { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 24px; }
.ds-swatch-list { display: flex; flex-wrap: wrap; gap: 24px; margin: 16px 0 0; }
.ds-swatch { display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 8px; font-size: var(--text-xs); }
.ds-swatch i { width: 24px; height: 24px; border: 1px solid var(--color-control-border); border-radius: 4px; }
.ds-type-sample { font-size: 24px; font-weight: 600; margin: 12px 0 4px; }
.ds-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: var(--control-md); padding: 7px 12px; border: 1px solid var(--color-control-border); background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-control); font-weight: 500; font-size: var(--text-sm); text-decoration: none; white-space: nowrap; }
.ds-btn:hover:not(:disabled) { background: var(--color-surface-subtle); }
.ds-btn:active:not(:disabled) { background: var(--color-primary-soft); }
.ds-btn--primary { border-color: var(--color-primary); background: var(--color-primary); color: white; }
.ds-btn--primary:hover:not(:disabled) { border-color: var(--color-primary-hover); background: var(--color-primary-hover); }
.ds-btn--primary:active:not(:disabled) { background: var(--color-primary-active); }
.ds-btn--danger { background: var(--color-danger); border-color: var(--color-danger); color: white; }
.ds-btn--danger:hover:not(:disabled) { background: #87242a; }
.ds-btn:disabled { background: #eef1f3; border-color: #dce2e5; color: var(--color-text-muted); cursor: not-allowed; }
.ds-btn--small { min-height: var(--control-sm); padding: 5px 10px; }
.ds-badge { display: inline-flex; align-items: center; gap: 6px; border-radius: var(--radius-badge); padding: 3px 8px; font-size: var(--text-xs); font-weight: 500; white-space: nowrap; background: var(--color-neutral-soft); color: var(--color-text-muted); }
.ds-badge--info { color: var(--color-primary-text); background: var(--color-primary-soft); }
.ds-badge--success { color: var(--color-success); background: var(--color-success-soft); }
.ds-badge--warning { color: var(--color-warning); background: var(--color-warning-soft); }
.ds-badge--danger { color: var(--color-danger); background: var(--color-danger-soft); }
.ds-toolbar { display: flex; align-items: end; flex-wrap: wrap; gap: 12px; padding: 16px; border-bottom: 1px solid var(--color-border); }
.ds-field { display: grid; gap: 6px; min-width: 0; }
.ds-field label, .ds-field-label { font-size: var(--text-sm); font-weight: 500; }
.ds-field--search { flex: 1 1 240px; max-width: 360px; }
.ds-input { width: 100%; min-height: var(--control-md); background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-control-border); border-radius: var(--radius-control); padding: 7px 10px; }
.ds-input::placeholder { color: var(--color-text-muted); }
.ds-input:hover:not(:disabled) { border-color: var(--color-primary); }
.ds-input[aria-invalid='true'] { border-color: var(--color-danger); }
.ds-help { font-size: var(--text-xs); color: var(--color-text-muted); }
.ds-help--error { color: var(--color-danger); }
.ds-data-scroll { overflow: auto; border-radius: var(--radius-panel); }
.ds-toolbar + .ds-data-scroll { border-radius: 0; }
.ds-table { width: 100%; min-width: 780px; border-collapse: separate; border-spacing: 0; font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.ds-table th { position: sticky; top: 0; z-index: 1; background: var(--color-surface-subtle); color: var(--color-text-muted); font-weight: 500; height: 40px; text-align: left; white-space: nowrap; }
.ds-table td { height: var(--row-default); }
.ds-table th, .ds-table td { padding: 8px 12px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.ds-table tbody tr:last-child td { border-bottom: 0; }
.ds-table tbody tr:hover td { background: #f5f7f8; }
.ds-table tr[data-selected='true'] td { background: var(--color-primary-soft); }
.ds-table .ds-check-cell { width: 44px; padding: 5px 14px; }
.ds-check { width: 16px; height: 16px; margin: 0; vertical-align: middle; }
.ds-check-target { min-width: 28px; min-height: 28px; display: inline-flex; align-items: center; justify-content: center; }
.ds-num { text-align: right !important; white-space: nowrap; font-variant-numeric: tabular-nums; }
.ds-sort { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; padding: 0; font: inherit; color: inherit; background: transparent; border: 0; }
.ds-sort svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.ds-primary-cell { font-weight: 500; }
.ds-selection { padding: 10px 16px; background: var(--color-primary-soft); display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: var(--text-sm); }
.ds-pagination { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 12px 16px; border-top: 1px solid var(--color-border); font-size: var(--text-xs); }
.ds-pagination-controls { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.ds-page-size { display: flex; align-items: center; gap: 8px; }
.ds-page-size select { width: auto; min-height: 32px; padding-block: 4px; }
.ds-table-empty { padding: 32px; text-align: center; }
.ds-table-empty h3 { margin-bottom: 8px; }
.ds-table-empty button { margin-top: 16px; }
.ds-board { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.ds-column { background: #eef1f3; padding: 12px; border-radius: var(--radius-panel); min-width: 0; }
.ds-column-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 16px; }
.ds-column-count { font-size: var(--text-xs); color: var(--color-text-muted); }
.ds-card { padding: 16px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-panel); margin-top: 12px; }
.ds-card h3 { line-height: 1.5; margin-bottom: 8px; }
.ds-card p { font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: 14px; }
.ds-card label { display: grid; gap: 6px; color: var(--color-text-muted); font-size: var(--text-xs); }
.ds-card select { width: 100%; color: var(--color-text); background: white; min-height: 32px; padding: 5px 8px; border: 1px solid var(--color-control-border); border-radius: var(--radius-control); }
.ds-column-empty { font-size: var(--text-sm); padding: 16px 0; color: var(--color-text-muted); }
.ds-form-layout { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr); gap: 24px; }
.ds-form { padding: 24px; }
.ds-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; margin-top: 24px; }
.ds-field--full { grid-column: 1 / -1; }
.ds-form textarea { min-height: 90px; resize: vertical; }
.ds-form-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.ds-feedback { margin-top: 16px; color: var(--color-success); font-size: var(--text-sm); }
.ds-state-examples { padding: 24px; }
.ds-state-examples .ds-states { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }
.ds-action-examples { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 24px; }
.ds-alert { padding: 12px 16px; border-radius: var(--radius-control); color: var(--color-warning); background: var(--color-warning-soft); font-size: var(--text-sm); line-height: 1.6; }
.ds-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--color-border); font-size: var(--text-xs); color: var(--color-text-muted); display: flex; justify-content: space-between; gap: 16px; }
.ds-mobile-hint { display: none; }
@media (max-width: 1000px) { .ds-board { display: flex; overflow-x: auto; padding-bottom: 12px; } .ds-column { flex: 0 0 280px; } .ds-form-layout { grid-template-columns: 1fr; } .ds-mobile-hint { display: block; margin: 0 0 12px; font-size: var(--text-xs); color: var(--color-text-muted); } }
@media (max-width: 700px) {
  :root { --page-gutter: 16px; --control-md: 44px; }
  .ds-header { position: static; padding: 20px 16px; align-items: start; flex-direction: column; gap: 16px; }
  .ds-header nav { gap: 20px; flex-wrap: wrap; }
  .ds-header nav a { min-height: 32px; }
  .ds-main { padding: 28px 16px 40px; }
  .ds-section-heading { align-items: start; flex-direction: column; gap: 8px; }
  .ds-foundations { grid-template-columns: 1fr; gap: 24px; padding: 20px; }
  .ds-toolbar { align-items: stretch; }
  .ds-field--search { max-width: none; }
  .ds-toolbar .ds-field:not(.ds-field--search) { flex: 1 1 100%; }
  .ds-input, .ds-card select { font-size: 16px; }
  .ds-card select, .ds-btn, .ds-page-size select { min-height: 44px; }
  .ds-pagination-controls { width: 100%; justify-content: space-between; gap: 8px; }
  .ds-page-size { width: 100%; }
  .ds-form-grid { grid-template-columns: 1fr; }
  .ds-form, .ds-state-examples { padding: 20px; }
  .ds-footer { flex-direction: column; }
}
@media (prefers-reduced-motion: no-preference) { .ds-btn, .ds-input { transition: background-color var(--duration-fast) var(--ease-ui), border-color var(--duration-fast) var(--ease-ui); } }
@media print { .ds-header nav, .ds-toolbar, .ds-pagination, .ds-form-actions { display: none; } .ds-header { position: static; } .ds-main { max-width: none; padding: 20px 0; } .ds-data-scroll { overflow: visible; } .ds-table { min-width: 0; } .ds-board { display: grid; } .ds-card { break-inside: avoid; } }