/* Share the portfolio HUD surfaces and quant workspace controls and spacing. */
#tab-diagnostics {
  --diagnostics-muted: #93aab8;
  --diagnostics-border: rgba(159, 194, 215, .16);
  min-width: 0;
  color: var(--text-main);
  font: 14px/1.65 var(--font-cn-sans), sans-serif;
}
#tab-diagnostics .hud-panel { min-width: 0; }
#tab-diagnostics .panel-title { margin: 0; font-size: 16px; font-weight: 500; }
#tab-diagnostics h3 { margin: 0; font-size: 13px; font-weight: 500; }
#tab-diagnostics p { line-height: 1.8; overflow-wrap: anywhere; }
#tab-diagnostics .text-dim { color: var(--diagnostics-muted); }
#tab-diagnostics .cyber-btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  min-height: 38px; padding: 8px 14px; font-family: inherit; font-size: 12px;
  line-height: 1.5; white-space: nowrap; box-shadow: none;
  transition: background .15s, border-color .15s, color .15s;
}
#tab-diagnostics .cyber-btn:hover:not(:disabled) { background: rgba(0, 243, 255, .09); color: var(--neon-cyan); }
#tab-diagnostics :is(button,input,summary):focus-visible { outline: 2px solid var(--neon-cyan); outline-offset: 3px; }
.diagnostics-header, .diagnostics-toolbar, .diagnostics-header-actions, .diagnostics-status-bar, .diagnostics-result-heading {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.diagnostics-header-actions { gap: 12px; }
.diagnostics-readonly, .diagnostics-section-tag { font-size: 11px; color: var(--diagnostics-muted); }
.diagnostics-readonly { display: inline-flex; align-items: center; gap: 7px; }
.diagnostics-readonly::before { content: ''; width: 6px; height: 6px; border: 1px solid currentColor; border-radius: 50%; }
.diagnostics-status-bar { padding: 4px 0 10px; align-items: flex-start; }
.diagnostics-eyebrow { display: block; margin-bottom: 6px; color: var(--diagnostics-muted); font-size: 12px; }
#diagnostics-state { margin: 0; font-size: 20px; font-weight: 500; line-height: 1.5; overflow-wrap: anywhere; }
#diagnostics-state::before { content: ''; display: inline-block; width: 8px; height: 8px; margin: 0 10px 2px 0; border-radius: 50%; background: currentColor; }
#diagnostics-state[data-state='blocked'], #diagnostics-state[data-state='close_only'], #tab-diagnostics .diagnostic-blocked { color: var(--neon-red); }
#diagnostics-state[data-state='unknown'], #diagnostics-state[data-state='degraded'], #tab-diagnostics .diagnostic-unknown, #tab-diagnostics .diagnostic-warning { color: var(--neon-yellow); }
#diagnostics-state[data-state='waiting_signal'], #tab-diagnostics .diagnostic-ok { color: var(--neon-green); }
#diagnostics-time { padding-top: 2px; font-size: 11px; font-variant-numeric: tabular-nums; }
#diagnostics-message { margin: 0 0 18px; color: var(--diagnostics-muted); font-size: 12px; }
.diagnostics-table-wrap { overflow-x: auto; }
#tab-diagnostics table { width: 100%; table-layout: fixed; border-collapse: collapse; text-align: left; }
#tab-diagnostics th, #tab-diagnostics td { padding: 12px 14px; border-bottom: 1px solid var(--diagnostics-border); vertical-align: top; overflow-wrap: anywhere; line-height: 1.75; }
#tab-diagnostics thead th { background: rgba(159, 194, 215, .035); color: var(--diagnostics-muted); font-size: 12px; font-weight: 400; }
#tab-diagnostics thead th:first-child { width: 17%; }
#tab-diagnostics thead th:nth-child(2) { width: 12%; }
#tab-diagnostics thead th:nth-child(3) { width: 35%; }
#tab-diagnostics tbody th { color: var(--text-main); font-size: 13px; font-weight: 500; }
#tab-diagnostics td { color: var(--diagnostics-muted); font-size: 12px; }
#tab-diagnostics td:last-child { color: var(--text-main); }
#tab-diagnostics tbody tr { transition: background .15s; }
#tab-diagnostics tbody tr:hover { background: rgba(159, 194, 215, .035); }
.diagnostic-badge { display: inline-block; padding: 2px 8px; border: 1px solid currentColor; font-size: 11px; line-height: 1.7; white-space: nowrap; }
.diagnostics-workspace { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); align-items: start; gap: 20px; margin-top: 20px; }
.diagnostics-section { min-width: 0; }
.diagnostics-description { margin: 6px 0 0; color: var(--diagnostics-muted); font-size: 12px; }
.diagnostics-section > .diagnostics-description { margin-top: 0; }
#preview-form { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 16px; padding: 18px 0 20px; }
#preview-form .preview-symbol-field { display: grid; gap: 7px; color: var(--diagnostics-muted); font-size: 12px; }
#tab-diagnostics #preview-symbol { width: 112px; min-height: 40px; padding: 8px 12px; margin: 0; border-color: rgba(159, 194, 215, .3); background: #0b1520; color: var(--text-main); font: 13px/1.5 var(--font-mono), var(--font-cn-mono); }
#tab-diagnostics #preview-symbol:focus { border-color: var(--neon-cyan); }
#preview-form .preview-model-field { display: flex; align-items: center; gap: 10px; min-height: 40px; cursor: pointer; font-size: 13px; }
#preview-model { width: 16px; height: 16px; accent-color: var(--neon-cyan); flex-shrink: 0; }
.preview-model-field small { display: block; color: var(--diagnostics-muted); font-size: 11px; }
#tab-diagnostics #preview-run { min-height: 40px; margin-left: auto; }
#preview-run span { font-size: 16px; }
.diagnostics-result-heading { border-top: 1px solid var(--diagnostics-border); padding-top: 16px; }
#preview-message:not(:empty) { margin-top: 14px; color: var(--diagnostics-muted); font-size: 12px; }
#preview-message:empty { display: none; }
#preview-output { min-width: 0; }
#preview-output > p { margin: 12px 0; color: var(--diagnostics-muted); font-size: 12px; }
#preview-output > p:first-child { padding: 12px 14px; background: rgba(159, 194, 215, .04); border-left: 2px solid currentColor; font-size: 14px; }
#preview-output details { border-bottom: 1px solid var(--diagnostics-border); }
#preview-output summary { padding: 13px 6px; cursor: pointer; color: var(--text-main); font-size: 13px; transition: background .15s, color .15s; }
#preview-output summary::marker { color: var(--diagnostics-muted); }
#preview-output summary:hover { color: var(--neon-cyan); background: rgba(0, 243, 255, .035); }
#preview-output pre { margin: 0 0 12px; padding: 16px; max-height: 450px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; background: rgba(0, 0, 0, .3); color: var(--diagnostics-muted); font: 12px/1.8 var(--font-mono), var(--font-cn-mono); }
.diagnostics-empty { padding: 28px 12px; color: var(--diagnostics-muted); text-align: center; font-size: 13px; }
.diagnostics-empty span { display: block; margin-top: 6px; font-size: 12px; }
.diagnostics-overview:has(#diagnostics-checks > tr) .diagnostics-checks-empty,
.diagnostics-preview:has(#preview-output > *, #preview-message:not(:empty)) .preview-empty,
.diagnostics-history:has(#preview-history > *) .history-empty { display: none; }
#preview-history { list-style: none; margin: 12px 0 0; padding: 0; overflow-wrap: anywhere; }
#preview-history li { padding: 14px 0; border-bottom: 1px solid var(--diagnostics-border); }
#preview-history .preview-history-top { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
#preview-history strong { font: 500 14px/1.5 var(--font-mono), var(--font-cn-mono); }
.preview-history-status { font-size: 11px; color: var(--text-main); }
.preview-history-meta, .preview-history-id { margin-top: 5px; color: var(--diagnostics-muted); font-size: 11px; }
.preview-history-id { display: block; font-family: var(--font-mono), var(--font-cn-mono); }
#preview-history .preview-history-empty { border: 0; padding: 28px 0; text-align: center; color: var(--diagnostics-muted); }
@media (max-width: 1100px) {
  .diagnostics-workspace { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  #tab-diagnostics .hud-panel { padding: 16px; }
  .diagnostics-header-actions { width: 100%; }
  .diagnostics-header-actions .cyber-btn { margin-left: auto; }
  .diagnostics-status-bar { gap: 8px; }
  #diagnostics-state { font-size: 17px; }
  #diagnostics-time { font-size: 10px; }
  /* Keep observation and recovery text visible without horizontal scrolling. */
  #tab-diagnostics table, #tab-diagnostics tbody { display: block; }
  #tab-diagnostics thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  #tab-diagnostics tbody tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; padding: 14px 0; border-top: 1px solid var(--diagnostics-border); }
  #tab-diagnostics tbody th, #tab-diagnostics tbody td { padding: 0; border: 0; }
  #tab-diagnostics tbody th { align-self: center; }
  #tab-diagnostics tbody td:nth-child(n+3) { grid-column: 1 / -1; }
  #tab-diagnostics tbody td:last-child::before { content: '下一步'; display: block; color: var(--diagnostics-muted); font-size: 10px; margin: 3px 0; }
  .diagnostics-workspace { gap: 16px; margin-top: 16px; }
  #tab-diagnostics #preview-symbol { width: 96px; }
  #tab-diagnostics #preview-run { width: 100%; margin-left: 0; }
  #tab-diagnostics .cyber-btn { min-height: 44px; }
  .diagnostics-section-tag { font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  #tab-diagnostics, #tab-diagnostics *, #tab-diagnostics *::before, #tab-diagnostics *::after { transition: none !important; animation: none !important; }
}