/**
 * Module-surface UI/UX — News / Market / Admin / Documents
 * PORTO-GROK-A · PORTO-STEER-20260811-A
 * PORTO-GROK-WORKER-3 · PORTO-FLEET-20260812-W3 (follow-on polish)
 *
 * Goals: kill module-header bleed overflow, de-glass cards, skeleton/empty/error/
 * offline hierarchy, focus rings, reduced-motion, WCAG-friendlier muted text.
 * Dependency-free. Loaded after maritime-system.css.
 */

/* -----------------------------------------------------------------------------
   1. Overflow: neutralize negative-margin bleed on module headers
   ----------------------------------------------------------------------------- */
.bento-enhanced .module-header {
  margin: 0 0 16px 0;
  border-radius: var(--ms-radius-md, 12px);
}

#module-news,
#module-market,
#module-admin,
#module-documents {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

#module-news .module-header,
#module-market .module-header,
#module-admin .module-header,
#module-documents .module-header,
#module-news .news-summary-strip,
#module-news .news-filters,
#module-admin .admin-users-summary,
#module-admin .admin-health-grid,
#module-documents .vault-filter-bar {
  max-width: 100%;
  min-width: 0;
}

/* -----------------------------------------------------------------------------
   2. De-glass: solid surfaces inside the four modules (+ shared brief)
   ----------------------------------------------------------------------------- */
#module-news .news-sum-card,
#module-news .news-topics-card,
#module-news .news-sentiment-card,
#module-news .news-article-card,
#module-market .market-commodity-card,
#module-market .market-fx-card,
#module-market .market-summary-card,
#module-market .glass-card,
#module-admin .health-card,
#module-admin .admin-user-row,
#module-documents .upload-zone,
#module-documents .vault-filter-bar,
#module-documents .pg-upload,
#module-documents .pg-upload__zone,
#module-market .pg-density-ctl,
#module-market .leaflet-control,
#module-market .leaflet-bar,
.pg-density-ctl.leaflet-control,
.leaflet-control.pg-density-ctl,
.proactive-brief {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

/* Map density control can remain mounted outside the Market panel — kill glass globally */
.pg-density-ctl,
.pg-density-ctl.leaflet-control {
  background: var(--ms-elevated, var(--bg-card));
  border: 1px solid var(--ms-border, var(--border));
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

#module-market .pg-density-ctl {
  background: var(--ms-elevated, var(--bg-card));
  border: 1px solid var(--ms-border, var(--border));
}

.proactive-brief .pb-glow {
  filter: none;
  opacity: 0.45;
}

/* -----------------------------------------------------------------------------
   3. Welcome / empty / loading / error / offline
   ----------------------------------------------------------------------------- */
#module-news .welcome-state,
#module-market .module-welcome,
#module-market .welcome-state {
  position: relative;
  background-color: var(--ms-surface, var(--bg-card));
  background-image: radial-gradient(circle at 1px 1px, var(--ms-hairline, rgba(255, 255, 255, 0.06)) 1px, transparent 0);
  background-size: 22px 22px;
  border: 1px dashed var(--ms-border, var(--border));
  border-radius: var(--ms-radius-lg, 14px);
  padding: var(--ms-space-7, 28px) var(--ms-space-5, 20px);
  max-width: 100%;
}

#module-news .welcome-state h4,
#module-market .module-welcome h4 {
  color: var(--ms-text, var(--text-primary));
  font-weight: var(--ms-weight-semibold, 600);
}

#module-news .welcome-state p,
#module-market .module-welcome p {
  color: var(--ms-text-muted, var(--text-muted));
  max-width: 42ch;
  margin-left: auto;
  margin-right: auto;
}

/* Empty article list (CSS-only; no app.js change) */
#module-news #newsList:empty {
  min-height: 140px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--ms-border, var(--border));
  border-radius: var(--ms-radius-md, 12px);
  background: var(--ms-surface, var(--bg-card));
  padding: 28px 16px;
}

#module-news #newsList:empty::before {
  content: '暂无头条 · No stories yet';
  color: var(--ms-text-muted, var(--text-muted));
  font-size: 0.85rem;
  text-align: center;
}

/* Market empty commodity / FX grids */
#module-market #marketCommodityCards:empty,
#module-market #marketFxCards:empty {
  min-height: 120px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--ms-border, var(--border));
  border-radius: var(--ms-radius-md, 12px);
  background: var(--ms-surface, var(--bg-card));
  padding: 24px 16px;
}

#module-market #marketCommodityCards:empty::before {
  content: '暂无商品报价 · No commodity quotes yet';
  color: var(--ms-text-muted, var(--text-muted));
  font-size: 0.85rem;
  text-align: center;
}

#module-market #marketFxCards:empty::before {
  content: '暂无汇率 · No FX quotes yet';
  color: var(--ms-text-muted, var(--text-muted));
  font-size: 0.85rem;
  text-align: center;
}

/* Skeleton reinforcement inside the four modules */
#module-news .module-skeleton .skel-bar,
#module-market .module-skeleton .skel-bar,
#module-admin .module-skeleton .skel-bar,
#module-documents .module-skeleton .skel-bar {
  background: linear-gradient(
    90deg,
    var(--ms-surface, rgba(255, 255, 255, 0.04)) 0%,
    var(--ms-elevated, rgba(255, 255, 255, 0.1)) 50%,
    var(--ms-surface, rgba(255, 255, 255, 0.04)) 100%
  );
  background-size: 200% 100%;
}

/* Loading skeleton already maps .spinner → shimmer in maritime-system; reinforce */
#module-news .loading-state,
#module-market .loading-state {
  gap: 12px;
}

#module-news .loading-state .loading-text,
#module-market .loading-state .loading-text {
  color: var(--ms-text-secondary, var(--text-secondary));
  font-size: 0.85rem;
}

/* Error overlay — solid, focusable retry */
.module-error-overlay {
  background: var(--ms-abyss, var(--bg-primary, #0a0e17));
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.module-error-body {
  background: var(--ms-elevated, var(--bg-card));
  border: 1px solid var(--ms-border, var(--border));
  border-radius: var(--ms-radius-lg, 14px);
  box-shadow: var(--ms-shadow-panel, 0 8px 28px rgba(0, 0, 0, 0.35));
}

.module-error-body > p:first-of-type {
  color: var(--ms-text, var(--text-primary));
  font-weight: 600;
}

.module-error-retry:focus-visible {
  outline: 2px solid var(--brand-primary-500, var(--ms-accent, #00e5a0));
  outline-offset: 3px;
}

/* Offline banner when ambient connection is offline */
body:has(.ambient-dot.offline) #module-news::after,
body:has(.ambient-dot.offline) #module-market::after,
body:has(.ambient-dot.offline) #module-admin::after,
body:has(.ambient-dot.offline) #module-documents::after,
body:has(.conn-dot.conn-offline) #module-news::after,
body:has(.conn-dot.conn-offline) #module-market::after,
body:has(.conn-dot.conn-offline) #module-admin::after,
body:has(.conn-dot.conn-offline) #module-documents::after {
  content: '离线 · Offline — showing last known data';
  display: block;
  margin: 0 0 12px;
  padding: 8px 12px;
  border-radius: var(--ms-radius-sm, 8px);
  border: 1px solid rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  font-size: 0.78rem;
  font-weight: 600;
}

.module-offline-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 36px 20px;
  text-align: center;
  border: 1px dashed rgba(239, 68, 68, 0.35);
  border-radius: var(--ms-radius-lg, 14px);
  background: rgba(239, 68, 68, 0.06);
  color: var(--ms-text-secondary, var(--text-secondary));
}

.module-offline-state[hidden],
.module-offline-state.hidden {
  display: none !important;
}

/* Admin empty user list / Documents empty vault */
#module-admin #adminUsersList:empty::before {
  content: '暂无用户 · No users loaded';
  display: block;
  padding: 24px;
  text-align: center;
  color: var(--ms-text-muted, var(--text-muted));
  border: 1px dashed var(--ms-border, var(--border));
  border-radius: var(--ms-radius-md, 12px);
}

#module-documents #docList:empty::before {
  content: '文件库为空 · Vault is empty';
  display: block;
  padding: 24px;
  text-align: center;
  color: var(--ms-text-muted, var(--text-muted));
  border: 1px dashed var(--ms-border, var(--border));
  border-radius: var(--ms-radius-md, 12px);
  margin-top: 8px;
}

/* -----------------------------------------------------------------------------
   4. Focus rings (visible, AA-friendly)
   ----------------------------------------------------------------------------- */
#module-news .news-filter-btn:focus-visible,
#module-news .btn:focus-visible,
#module-market .btn:focus-visible,
#module-market .mtab:focus-visible,
#module-admin .btn:focus-visible,
#module-admin input:focus-visible,
#module-admin select:focus-visible,
#module-documents .btn:focus-visible,
#module-documents .form-input:focus-visible,
#module-documents .vault-filter-select:focus-visible,
#module-documents .upload-zone:focus-visible,
#module-documents .pg-upload__btn:focus-visible,
#module-documents .pg-upload__browse:focus-visible,
#module-documents .pg-upload__zone:focus-visible {
  outline: 2px solid var(--brand-primary-500, var(--ms-accent, #00e5a0));
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0, 229, 160, 0.18);
}

#module-news .news-filter-btn.active {
  background: color-mix(in srgb, var(--brand-primary-500, #00e5a0) 14%, transparent);
  border-color: var(--brand-primary-500, var(--accent));
  color: var(--brand-primary-500, var(--accent));
}

/* -----------------------------------------------------------------------------
   5. Contrast: lift muted labels toward AA on dark surfaces
   ----------------------------------------------------------------------------- */
#module-news .news-sum-label,
#module-news .news-card-title,
#module-news .news-section-title,
#module-news .news-article-source,
#module-news .news-article-meta,
#module-market .market-asof,
#module-market .module-subtitle,
#module-admin .admin-users-foot,
#module-admin .health-label,
#module-documents .upload-hint,
#module-documents .module-subtitle,
#module-documents .pg-upload__subtitle {
  color: var(--ms-text-secondary, #a8b3c7);
}

#module-news .news-sum-value,
#module-admin .health-value {
  font-variant-numeric: tabular-nums;
}

/* -----------------------------------------------------------------------------
   6. Responsive — News / Admin / Documents at 390
   ----------------------------------------------------------------------------- */
@media (max-width: 640px) {
  #module-news .news-summary-strip {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  #module-news .news-row {
    grid-template-columns: 1fr;
  }

  #module-news .news-topics-card,
  #module-news .news-sentiment-card {
    height: 220px;
  }

  #module-news .news-filters {
    gap: 6px;
  }

  #module-news .news-filter-btn {
    min-height: 36px;
    padding: 8px 12px;
  }

  #module-admin .admin-health-grid {
    grid-template-columns: 1fr 1fr;
  }

  #module-admin .admin-form-grid {
    grid-template-columns: 1fr;
  }

  #module-market .market-commodity-grid,
  #module-market .market-fx-grid {
    grid-template-columns: 1fr;
  }

  #module-documents .vault-filter-row {
    flex-direction: column;
    align-items: stretch;
  }
}

/* -----------------------------------------------------------------------------
   7. Reduced motion
   ----------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  #module-news .news-article-card,
  #module-news .news-article-card:hover,
  #module-market .market-commodity-card,
  #module-market .market-commodity-card:hover,
  #module-market .market-fx-card,
  #module-admin .health-card,
  #module-documents .pg-upload__zone,
  #module-news .module-skeleton .skel-bar,
  #module-market .module-skeleton .skel-bar,
  #module-admin .module-skeleton .skel-bar,
  #module-documents .module-skeleton .skel-bar,
  .bento-enhanced .module-panel,
  .bento-enhanced .module-panel:hover,
  .proactive-brief,
  .proactive-brief .pb-glow {
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }

  #module-news .loading-state .spinner,
  #module-market .loading-state .spinner,
  #module-admin .loading-state .spinner,
  #module-documents .loading-state .spinner {
    animation: none !important;
    background: var(--ms-elevated, var(--bg-secondary)) !important;
  }
}