body { min-height: 100%; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: rgba(10, 14, 31, .88); backdrop-filter: blur(10px); z-index: 2; flex-wrap: wrap; }
.top h1 { font-size: 16px; margin: 0; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.layout { display: grid; grid-template-columns: minmax(260px, 360px) 1fr; gap: 18px; padding: 18px 20px; align-items: start; }
.cards { display: grid; gap: 12px; }
.card { display: grid; grid-template-columns: 112px 1fr; gap: 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px; cursor: pointer; text-align: left; width: 100%; }
.card[aria-current="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent) inset; }
.thumb { width: 112px; aspect-ratio: 16/10; border-radius: 8px; background: var(--surface-3) center/cover no-repeat; display: grid; place-items: center; color: var(--muted); font-size: 11px; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.card h3 { margin: 0 0 4px; font-size: 14px; }
.meta { color: var(--muted); font-size: 12px; display: grid; gap: 2px; }
.status { display: inline-block; border-radius: 999px; padding: 0 8px; font: 600 11px/18px var(--mono); background: var(--surface-3); }
.status-complete { background: rgba(76,195,138,.16); color: var(--ok); }
.status-draft { background: rgba(152,160,168,.16); color: var(--muted); }
.detail { background: var(--surface-2); border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.detail-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.detail-head h2 { margin: 0; font-size: 16px; }
.tabs { display: flex; gap: 4px; padding: 8px 12px 0; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tab { background: none; border: 0; padding: 8px 12px; color: var(--muted); border-bottom: 2px solid transparent; }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.pane { padding: 16px; display: grid; gap: 14px; }
/* preview (MODEL_MANAGER_TOOLS off): slowly rotating model on a navy stage */
.preview { position: relative; aspect-ratio: 16 / 9; min-height: 320px; border-radius: 0 0 14px 14px; overflow: hidden;
  background: radial-gradient(120% 90% at 50% 18%, #1d267d 0%, #0c134f 55%, #070a18 100%); }
.preview canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }
.preview-status { position: absolute; left: 16px; bottom: 14px; z-index: 1; color: var(--muted); font-size: 12px;
  background: rgba(10, 14, 31, .7); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; }
.preview-status[hidden] { display: none; }
.tools-off .layout { grid-template-columns: minmax(260px, 340px) 1fr; }
.gates { display: flex; flex-wrap: wrap; gap: 8px; }
.gate { border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; font: 12px var(--mono); }
.gate.pass { border-color: var(--ok); color: var(--ok); }
.gate.fail { border-color: var(--bad); color: var(--bad); }
.steps { display: flex; flex-wrap: wrap; gap: 8px; }
.log { background: #070a18; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font: 12px/1.5 var(--mono); max-height: 360px; overflow: auto; white-space: pre-wrap; margin: 0; color: #cdd3f2; }
.log:empty::before { content: "Logs stream here."; color: var(--muted); }
textarea.json { width: 100%; min-height: 380px; font: 12px/1.5 var(--mono); resize: vertical; }
.validity { font-size: 12px; }
.validity.ok { color: var(--ok); }
.validity.bad { color: var(--bad); }
.dims { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.dims label, dialog label { display: grid; gap: 4px; color: var(--muted); font-size: 12px; }
.dims input { font-family: var(--mono); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.parts-tree details { border-bottom: 1px solid var(--line); }
.parts-tree summary { padding: 6px 2px; cursor: pointer; font-weight: 600; }
.parts-tree table { width: 100%; table-layout: fixed; border-collapse: collapse; font-size: 12px; margin-bottom: 8px; }
.parts-tree td, .parts-tree th { text-align: left; padding: 3px 6px; border-top: 1px solid var(--line); }
.parts-tree th { color: var(--muted); font-weight: 500; }
.parts-tree td.mono { font-family: var(--mono); }
.parts-tree.low-only tr.part:not(.low) { display: none; }
.prov { font: 11px var(--mono); padding: 0 6px; border-radius: 6px; background: var(--surface-3); }
.prov-source_file { color: var(--ok); }
.prov-public_spec { color: #7cc3ff; }
.prov-estimated, .prov-analogy_r2 { color: var(--warn); }
.files { display: grid; gap: 4px; font: 12px var(--mono); }
.mono { font-family: var(--mono); }
.small { font-size: 12px; }
dialog { background: var(--surface-2); color: var(--text); border: 1px solid var(--line); border-radius: 14px; padding: 18px; width: min(560px, 94vw); }
dialog::backdrop { background: rgba(6, 9, 28, .65); }
dialog h2 { margin: 0 0 12px; font-size: 16px; }
dialog form { display: grid; gap: 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; padding: 12px; }
  .grid2 { grid-template-columns: 1fr; }
}