.collection-upload,.collection-signature{margin:12px 0}.collection-file-picker{position:relative;display:inline-flex;padding:12px 20px;border:1px dashed #6987ce;border-radius:10px;color:#274ca3;background:#f2f6ff;font-weight:600;overflow:hidden;cursor:pointer}.collection-file-picker input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.collection-file-picker:has(input:disabled){opacity:.55;cursor:default}.collection-hint{font-size:12px;color:#60718a;line-height:1.7;margin:10px 0}.collection-file-list{padding:0;list-style:none;display:grid;gap:8px}.collection-file-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid #e1e8f2;border-radius:9px;background:#f9fbfe}.collection-file-list li>span{min-width:0}.collection-file-list strong{display:block;overflow-wrap:anywhere;font-size:14px}.collection-file-list small{color:#61718b;font-size:12px}.collection-file-list button,.collection-signature-actions button{border:1px solid #cdd8ea;background:#fff;color:#3158a0;border-radius:7px;padding:8px 12px;font:inherit;font-size:12px;cursor:pointer}.collection-upload-state{color:#3158a0;font-size:13px}.collection-signature canvas{width:100%;height:auto;aspect-ratio:3/1;display:block;background:#fff;border:1px solid #a8bad8;border-radius:10px;touch-action:none;cursor:crosshair}.collection-signature-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:9px}.collection-signature-actions span{flex:1;min-width:150px}.collection-signature-actions [data-signature-save]{background:#3158a0;color:#fff}.collection-clock{position:sticky;top:8px;z-index:5;display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 18px;margin:0 0 14px;border:1px solid #d2e0f8;background:#f2f6ffef;backdrop-filter:blur(8px);border-radius:12px;color:#3158a0;font-size:13px}.collection-clock strong{font-variant-numeric:tabular-nums;font-size:23px;letter-spacing:1px}.collection-clock small{margin-left:auto;color:#63728a;font-size:11px}.collection-clock.urgent{background:#fff3edef;border-color:#edbd9d;color:#a44415}.collection-answer-assets{display:grid;gap:10px}.collection-answer-assets a{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#3158a0;overflow-wrap:anywhere}.collection-answer-assets img{display:block;max-width:100%;width:360px;max-height:180px;object-fit:contain;border:1px solid #dee5f0;border-radius:8px;background:#fff}.collection-editor-placeholder{padding:24px 18px;border:1px dashed #b7c7df;border-radius:10px;background:#f6f9ff;color:#617492;font-size:13px;text-align:center}.collection-clock-note{padding:10px 14px;background:#f4f7fe;border-radius:8px;font-size:12px;line-height:1.8;color:#5a6d88}@media(max-width:480px){.collection-clock{padding:10px 12px;gap:8px}.collection-clock small{width:100%;margin:0}.collection-signature-actions button{min-height:40px}.collection-signature canvas{min-height:140px}}