/* Paleta extraída de aenabrasil.com.br */
:root {
  --navy: #1a2732;
  --green: #96ce00;
  --green-dark: #527500;
  --gray-100: #f5f7f9;
  --gray-200: #e9ecef;
  --gray-400: #cbd3da;
  --gray-600: #525c65;
  --white: #fff;
  --radius: 6px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--gray-100); color: var(--navy); font-size: 15px; line-height: 1.45; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

.topbar { background: var(--navy); border-bottom: 4px solid var(--green); }
.topbar__inner { display: flex; align-items: center; gap: 16px; min-height: 68px; }
.topbar__logo { height: 40px; width: auto; }
.topbar__title { color: var(--white); font-weight: 600; letter-spacing: .08em; padding-left: 16px; border-left: 1px solid var(--gray-600); }

.page-title { font-size: 1.6rem; margin: 28px 0 16px; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.toolbar__summary { color: var(--gray-600); }
.toolbar__actions { display: flex; gap: 8px; flex-wrap: wrap; }
.hint { font-size: .85rem; color: var(--gray-600); margin: 6px 0 16px; }

.btn { font: inherit; border-radius: var(--radius); padding: 9px 18px; cursor: pointer; border: 1px solid transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--primary { background: var(--green-dark); color: var(--white); font-weight: 600; }
.btn--primary:not(:disabled):hover { background: var(--navy); }
.btn--ghost { background: var(--white); color: var(--navy); border-color: var(--gray-400); }
.btn--ghost:not(:disabled):hover { border-color: var(--navy); }
.btn:focus-visible, .sort-btn:focus-visible, .filter:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }

.table-wrap { background: var(--white); border-radius: var(--radius); box-shadow: 0 1px 3px rgba(26, 39, 50, .12); overflow-x: auto; }
.docs { width: 100%; border-collapse: collapse; }
.docs th, .docs td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--gray-200); vertical-align: top; }
.docs thead tr:first-child th { background: var(--navy); color: var(--white); white-space: nowrap; }
.docs__filters th { background: var(--gray-200); padding: 8px; }
.docs tbody tr:hover { background: var(--gray-100); }
.docs__row { cursor: pointer; }
.doc-link { all: unset; cursor: pointer; }
.doc-link:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }

.sort-btn { all: unset; cursor: pointer; font-weight: 600; }
.sort-btn::after { content: " ↕"; opacity: .45; }
th[aria-sort="ascending"] .sort-btn::after { content: " ▲"; opacity: 1; color: var(--green); }
th[aria-sort="descending"] .sort-btn::after { content: " ▼"; opacity: 1; color: var(--green); }

.filter { width: 100%; min-width: 110px; font: inherit; font-size: .85rem; padding: 6px 8px; border: 1px solid var(--gray-400); border-radius: 4px; background: var(--white); }
.filter[type="date"] + .filter[type="date"] { margin-top: 4px; }

.empty { text-align: center; color: var(--gray-600); padding: 48px 24px; }
.empty__title { display: block; color: var(--navy); font-size: 1.05rem; margin-bottom: 4px; }
.empty__title::before { content: "📄"; display: block; font-size: 2rem; margin-bottom: 8px; opacity: .6; }
.docs tbody tr.docs__message:hover, .docs tbody tr.skeleton:hover { background: transparent; }

/* Skeleton loading */
.skeleton__bar {
  display: block; height: 14px; border-radius: 4px;
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
.skeleton td:nth-child(1) .skeleton__bar { width: 60%; }
.skeleton td:nth-child(2) .skeleton__bar { width: 90%; }
.skeleton td:nth-child(n+3) .skeleton__bar { width: 70%; }
.skeleton:nth-child(even) td:nth-child(2) .skeleton__bar { width: 75%; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton__bar { animation: none; } }

.pager { display: flex; align-items: center; justify-content: center; gap: 16px; margin: 20px 0 40px; }
.footer { background: var(--navy); color: var(--gray-400); padding: 16px 0; font-size: .85rem; }

/* Visualizador de documentos (modal) */
.viewer { width: min(1100px, calc(100vw - 32px)); height: calc(100vh - 32px); max-width: none; max-height: none; padding: 0; border: 0; border-radius: var(--radius); background: var(--gray-200); color: var(--navy); }
.viewer[open] { display: flex; flex-direction: column; }
.viewer::backdrop { background: rgba(26, 39, 50, .7); }
.viewer__header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; background: var(--navy); color: var(--white); border-bottom: 4px solid var(--green); }
.viewer__heading { min-width: 0; }
.viewer__title { font-size: 1.05rem; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer__meta { font-size: .85rem; color: var(--gray-400); }
.viewer__actions { display: flex; gap: 8px; flex-shrink: 0; }
.viewer__actions .btn--primary { text-decoration: none; }
.viewer__body { flex: 1; overflow: auto; padding: 16px; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
.viewer__status { display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; color: var(--gray-600); margin: 48px auto; max-width: 360px; }
.viewer__status[hidden] { display: none; }
.viewer__spinner { display: none; width: 40px; height: 40px; border-radius: 50%; border: 4px solid var(--gray-400); border-top-color: var(--green-dark); animation: spin .8s linear infinite; }
.viewer__status.is-loading .viewer__spinner { display: block; }
.viewer__progress { width: 100%; height: 6px; border: 0; border-radius: 3px; overflow: hidden; background: var(--gray-400); accent-color: var(--green-dark); appearance: none; }
.viewer__progress::-webkit-progress-bar { background: var(--gray-400); }
.viewer__progress::-webkit-progress-value { background: var(--green-dark); transition: width .2s; }
.viewer__progress::-moz-progress-bar { background: var(--green-dark); }
/* Sem tamanho conhecido: faixa deslizante. */
.viewer__progress:indeterminate { background: linear-gradient(90deg, var(--gray-400) 0 35%, var(--green-dark) 35% 65%, var(--gray-400) 65%) 0 0 / 300% 100%; animation: slide 1.2s ease-in-out infinite; }
.viewer__progress:indeterminate::-webkit-progress-bar { background: transparent; }
.viewer__progress:indeterminate::-moz-progress-bar { background: transparent; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes slide { from { background-position: 100% 0; } to { background-position: 0 0; } }
.viewer__pages { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.viewer__page { width: 100%; max-width: 960px; background: var(--white); box-shadow: 0 1px 3px rgba(26, 39, 50, .2); display: flex; align-items: center; justify-content: center; }
.viewer__page canvas { display: block; width: 100%; height: auto; pointer-events: none; }
.viewer__page-error { color: var(--gray-600); padding: 24px; }
/* Página ainda não desenhada: mesmo brilho do skeleton da tabela. */
.viewer__page.is-loading { background: linear-gradient(90deg, var(--white) 25%, var(--gray-100) 50%, var(--white) 75%) 0 0 / 200% 100%; animation: shimmer 1.4s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { .viewer__spinner, .viewer__progress:indeterminate, .viewer__page.is-loading { animation: none; } }

/* Não imprime o documento aberto no visualizador. */
@media print { body.viewing { display: none !important; } }

/* Celular: cada linha vira um card */
@media (max-width: 760px) {
  .topbar__logo { height: 32px; }
  .table-wrap { background: transparent; box-shadow: none; overflow: visible; }
  .docs thead tr:first-child { display: flex; flex-wrap: wrap; gap: 6px; background: var(--navy); padding: 10px; border-radius: var(--radius); }
  .docs thead tr:first-child th { border: 0; padding: 4px 8px; }
  .docs__filters { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 10px 0; }
  .docs__filters th { background: transparent; padding: 0; border: 0; }
  .docs, .docs tbody, .docs tr, .docs td { display: block; width: 100%; }
  .docs tbody tr { background: var(--white); margin-bottom: 12px; border-radius: var(--radius); box-shadow: 0 1px 3px rgba(26, 39, 50, .12); padding: 8px 4px; }
  .docs td { border: 0; padding: 4px 12px; }
  .docs tbody tr.docs__message { background: transparent; box-shadow: none; }
  .skeleton td[data-label]::before { margin-bottom: 4px; }
  .docs td[data-label]::before { content: attr(data-label); display: block; font-size: .75rem; font-weight: 600; color: var(--gray-600); text-transform: uppercase; }
  .viewer { width: 100vw; height: 100dvh; border-radius: 0; }
  .viewer__header { flex-wrap: wrap; }
  .viewer__body { padding: 8px; }
}