.sheet-workspace{background:#fff;border:1px solid #dce5ee;border-radius:22px;padding:28px;margin:24px 0}.sheet-workspace h2{font-size:23px;color:#263e54;margin:0 0 18px}.sheet-drop{background:#f1f7fc;border:2px dashed #bad4e6;border-radius:13px;padding:23px}.sheet-drop.drag-over{background:#e1eef8}.sheet-drop label{display:block;font-size:17px;font-weight:750;margin-bottom:12px}.sheet-drop input{font:inherit;max-width:100%;font-size:13px}.sheet-note{font-size:12px;color:#61788d;line-height:1.8}.sheet-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:24px 0}.sheet-controls>div{min-width:0}.sheet-controls label{display:block;font-size:12px;font-weight:750;margin-bottom:8px}.sheet-controls input,.sheet-controls select{width:100%;min-width:0;min-height:43px;border:1px solid #cbdce9;border-radius:9px;padding:10px;background:#fff;font:inherit;font-size:13px;color:#29485f}.sheet-controls input[type=color]{padding:4px}.sheet-actions,.sheet-downloads{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.sheet-actions button,.sheet-downloads a,.sheet-manifest{font:inherit;font-size:13px;font-weight:700;border:1px solid #c8dbea;border-radius:9px;padding:11px 15px;min-height:43px;background:#fff;color:#1b689b;text-decoration:none;cursor:pointer}.sheet-actions .sheet-primary{background:#2476b7;color:#fff;border-color:#2476b7}.sheet-actions button:disabled,.sheet-list button:disabled{opacity:.45;cursor:not-allowed}.sheet-list{list-style:none;padding:0;max-height:320px;overflow:auto;margin:18px 0}.sheet-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border-bottom:1px solid #e2ebf2;font-size:12px}.sheet-list li>span{min-width:0;overflow-wrap:anywhere}.sheet-list li>div{display:flex;gap:6px;flex-shrink:0}.sheet-list button{font:inherit;font-size:11px;border:1px solid #cadce9;background:#f6f9fc;border-radius:6px;padding:7px;cursor:pointer}.sheet-status{font-size:13px;line-height:1.8;color:#386a86;overflow-wrap:anywhere;min-height:26px}.sheet-status.error{color:#b3263b}.sheet-preview{display:block;max-width:100%;max-height:700px;margin:auto;border:1px solid #d8e4ee;object-fit:contain;background:#edf2f7}.sheet-result{margin-top:25px;padding-top:22px;border-top:1px solid #dce7ef}.sheet-guide{padding:28px;margin:26px 0;background:#fff;border:1px solid #dce5ee;border-radius:18px;color:#425e73;font-size:14px;line-height:1.9}.sheet-guide h2{font-size:22px;color:#29475e}.sheet-guide h3{font-size:17px}.sheet-guide details{padding:13px 0;border-top:1px solid #e3ebf2}.sheet-guide summary{cursor:pointer;font-weight:700}.sheet-manifest{display:inline-block}.sheet-link-row{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;margin:20px 0}@media(max-width:760px){.sheet-workspace{padding:19px}.sheet-controls{grid-template-columns:1fr 1fr}.sheet-list li{align-items:start;flex-direction:column}.sheet-guide{padding:20px}.sheet-drop{padding:18px 14px}}.sheet-list button{color:#245b7c}.sheet-drop input::file-selector-button{color:#245b7c;background:#f5f9fc;border:1px solid #c8dbea;border-radius:6px;padding:8px;font:inherit}.sheet-controls option{color:#29485f;background:#fff}