/* Sincronização com o servidor (fatia 4b): cobertura de "carregando", indicador de salvamento e avisos (conflito,
   dados que não abrem, importação). Usa os tokens de design-system.css. Sem estilo inline. */

.sync-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg, #070a13);
  color: var(--muted, #94a3b8);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  text-align: center;
}

.sync-overlay[hidden] {
  display: none;
}

.sync-overlay::before {
  content: "";
  width: 28px;
  height: 28px;
  border: 3px solid rgba(139, 92, 246, 0.25);
  border-top-color: var(--primary, #8b5cf6);
  border-radius: 50%;
  animation: sync-spin 800ms linear infinite;
}

.sync-overlay.is-error::before {
  display: none;
}

.sync-overlay-text {
  margin: 0;
}

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

.sync-status {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 900;
  max-width: min(420px, calc(100vw - 32px));
  padding: 8px 12px;
  border: 1px solid var(--card-border, rgba(139, 92, 246, 0.2));
  border-radius: 10px;
  background: var(--card-1, rgba(13, 16, 32, 0.96));
  color: var(--text-secondary, #cbd5e1);
  box-shadow: var(--shadow-card, 0 18px 46px rgba(0, 0, 0, 0.22));
  font-size: 13px;
  line-height: 1.35;
}

.sync-status[hidden] {
  display: none;
}

.sync-status[data-state="offline"],
.sync-status[data-state="local-failed"],
.sync-status[data-state="blocked"] {
  border-color: rgba(250, 204, 21, 0.45);
}

.sync-dialog {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: grid;
  place-items: center;
  padding: 16px;
  background: var(--modal-backdrop, rgba(2, 6, 23, 0.58));
}

.sync-dialog-card {
  box-sizing: border-box;
  width: min(460px, 100%);
  padding: 24px;
  border: 1px solid var(--card-border, rgba(139, 92, 246, 0.2));
  border-radius: var(--radius, 18px);
  background: linear-gradient(180deg, var(--card-1, rgba(13, 16, 32, 0.96)), var(--card-2, rgba(7, 10, 19, 0.97)));
  color: var(--ink, #f8fafc);
  box-shadow: var(--shadow, 0 22px 70px rgba(0, 0, 0, 0.35));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

.sync-dialog-card h2 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 650;
}

.sync-dialog-card p {
  margin: 0 0 12px;
  color: var(--text-secondary, #cbd5e1);
  font-size: 14px;
  line-height: 1.45;
}

.sync-counts {
  margin: 0 0 12px;
  padding-left: 20px;
  color: var(--ink, #f8fafc);
  font-size: 14px;
  line-height: 1.6;
}

.sync-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.sync-primary,
.sync-secondary {
  height: 40px;
  padding: 0 16px;
  border-radius: var(--radius-md, 8px);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.sync-primary {
  border: 0;
  background: linear-gradient(90deg, #7c3aed, #6d28d9);
  color: #fff;
}

.sync-secondary {
  border: 1px solid var(--card-border, rgba(139, 92, 246, 0.2));
  background: transparent;
  color: var(--text-secondary, #cbd5e1);
}

.sync-primary:focus-visible,
.sync-secondary:focus-visible {
  outline: 2px solid rgba(139, 92, 246, 0.7);
  outline-offset: 2px;
}

html[data-theme="light"] .sync-overlay { background: #f6f3fd; color: #6b6480; }
html[data-theme="light"] .sync-status { background: #fff; color: #3b3550; box-shadow: 0 10px 30px rgba(66, 48, 96, 0.12); }
html[data-theme="light"] .sync-dialog-card { background: #fff; color: #1e1b2e; box-shadow: 0 18px 46px rgba(66, 48, 96, 0.16); }
html[data-theme="light"] .sync-dialog-card p { color: #4b4560; }
html[data-theme="light"] .sync-counts { color: #1e1b2e; }
html[data-theme="light"] .sync-secondary { color: #4b4560; }

@media (prefers-reduced-motion: reduce) {
  .sync-overlay::before { animation: none; }
}