/* Knihovna respektuje společných 10 px od okrajů, mezery 8 px a písmo 14 px. */
.cad-tool { padding: 10px; }
.cad-layout { display: grid; grid-template-columns: minmax(190px, 230px) minmax(0, 1fr); gap: 8px; align-items: start; }
.cad-selector, .cad-preview { min-width: 0; }
.cad-filters { display: grid; gap: 8px; }
.cad-field { display: grid; gap: 8px; min-width: 0; }
.cad-field label { font-weight: 700; }
.cad-field input, .cad-field select { width: 100%; min-width: 0; min-height: 40px; padding: 8px 10px; border: 1px solid var(--field-border); border-radius: 3px; color: var(--text); background: var(--bg); }
.cad-count, .cad-message { margin: 8px 0; color: var(--muted); }
.cad-list { display: grid; gap: 8px; max-height: 480px; overflow-y: auto; margin: 0; padding: 0 4px 0 0; list-style: none; scrollbar-color: var(--field-border) var(--bg); }
.cad-list button { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 3px; background: var(--bg); color: var(--text); text-align: left; overflow-wrap: anywhere; cursor: pointer; }
/* Součet patří konkrétní značce; kompaktní ikona ponechá místo jejímu názvu. */
.cad-symbol-name { min-width: 0; }
.cad-symbol-downloads { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; color: var(--muted); font-variant-numeric: tabular-nums; }
.cad-symbol-downloads .icon { width: 14px; height: 14px; color: lime; }
.cad-download-count { margin: 0; color: var(--muted); font-variant-numeric: tabular-nums; }
.cad-download-error { margin: 0 0 8px; color: var(--danger); }
.cad-list button:hover { background: var(--surface-hover); }
.cad-list button[aria-pressed="true"] { border-color: var(--primary); color: var(--accent); background: var(--accent-bg); box-shadow: inset 3px 0 var(--primary); }
.cad-list button:focus-visible { outline-offset: -3px; }
.cad-preview { padding: 10px; border: 1px solid var(--line); border-radius: 3px; }
.cad-preview-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.cad-preview-heading h3 { margin: 0; font-size: 18px; overflow-wrap: anywhere; }
.cad-download { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 8px 10px; border: 1px solid var(--primary); border-radius: 3px; background: var(--accent-bg); color: var(--text); font-weight: 700; }
.cad-download:hover { background: var(--surface-hover); }
.cad-download[aria-disabled="true"] { opacity: .6; cursor: wait; }
.cad-download .icon { color: lime; }
.cad-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.cad-toolbar button, .cad-retry { min-height: 36px; padding: 5px 10px; border: 1px solid var(--field-border); border-radius: 3px; background: var(--bg); color: var(--text); cursor: pointer; }
.cad-toolbar button:hover, .cad-retry:hover { background: var(--surface-hover); }
.cad-toolbar button:disabled { opacity: .45; cursor: default; }
.cad-zoom { min-width: 48px; color: var(--muted); font-variant-numeric: tabular-nums; }
/* Bílý výkres zachová původní barvy značky; přiblížení posouvá pouze tento panel. */
.cad-viewport { height: clamp(320px, 60vh, 620px); overflow: auto; scrollbar-gutter: stable; background: #fff; border: 1px solid var(--field-border); color-scheme: light; overscroll-behavior: contain; }
/* Okraj je stejný v pixelech pro drobný modul i vysoký řídicí systém. */
.cad-stage { display: grid; place-items: center; width: max-content; min-width: 100%; min-height: 100%; padding: 10px; }
.cad-stage svg { display: block; max-width: none; flex-shrink: 0; }
.cad-preview-status { margin: 8px 0 0; color: var(--muted); }
.cad-preview-status.is-error, .cad-message.is-error { color: var(--danger); }
@media (max-width: 1000px) {
    .cad-layout { grid-template-columns: minmax(0, 1fr); }
    .cad-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cad-list { max-height: 190px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
}
@media (max-width: 540px) {
    .cad-filters { grid-template-columns: minmax(0, 1fr); }
}