.av-workspace{display:grid;grid-template-columns:1fr 1.5fr;gap:18px;align-items:stretch;min-height:0}.av-left-col,.av-right-col{display:flex;flex-direction:column;gap:14px;min-width:0}.av-drop-card,.av-preview-box{flex:1 1 auto;min-height:0}.av-style-grid{flex:1 1 auto;align-content:start}.av-toolbar{flex-shrink:0}.av-drop-card{display:grid;place-items:center;background:var(--page-soft);border:2px dashed var(--line);border-radius:16px;padding:24px 20px;box-sizing:border-box;text-align:center;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.av-drop-card:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-color:var(--orange)}.av-drop-card h3{margin:0 0 6px;font-size:18px;font-weight:700;letter-spacing:-.03em;color:var(--text)}.av-drop-card p{margin:0 0 12px;color:var(--muted);font-size:14px;line-height:1.6;max-width:360px}.av-drop-card .panel-btn{margin-top:4px}@media(hover:hover){.av-drop-card:hover{border-color:var(--orange);background:var(--orange-soft);transform:translateY(-2px)}}.av-drop-card.is-over{border-color:var(--orange);background:var(--orange-soft);transform:translateY(-2px)}.av-drop-icon{width:54px;height:54px;border:1px solid var(--line-2);border-radius:16px;display:grid;place-items:center;background:var(--page);color:var(--orange);margin:0 auto 12px}.av-drop-icon svg{width:24px;height:24px;stroke:currentColor;fill:none}.av-file-error{margin-top:12px;padding:10px 16px;border-radius:10px;background:var(--red-soft);border:1px solid rgba(239,68,68,.2);color:var(--red-dark);font-size:14px;line-height:1.5;display:flex;align-items:center;justify-content:space-between;gap:12px}.av-file-error-close{flex-shrink:0;width:24px;height:24px;border:none;border-radius:6px;background:transparent;color:var(--red-dark);font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background .16s ease}.av-file-error-close:hover{background:var(--red-soft)}.av-preview-box{position:relative;min-height:300px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background-color:var(--page-soft);background-image:linear-gradient(45deg,#d8d8d8 25%,transparent 25%),linear-gradient(-45deg,#d8d8d8 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d8d8d8 75%),linear-gradient(-45deg,transparent 75%,#d8d8d8 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;cursor:default}#av-preview-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;image-rendering:-webkit-optimize-contrast}#av-overlay-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;cursor:crosshair}.av-preview-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted-2);font-size:14px;pointer-events:none;text-align:center;padding:0 16px}.av-change-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;border:none;background:var(--page);color:var(--orange);cursor:pointer;display:grid;place-items:center;box-shadow:0 4px 16px #0003;opacity:0;z-index:3;transition:opacity .18s ease,transform .15s ease}.av-change-btn:hover{transform:translate(-50%,-50%) scale(1.1)}.av-change-btn svg{width:22px;height:22px}.av-remove-btn{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;border:none;background:#00000073;color:var(--page);font-size:16px;cursor:pointer;display:grid;place-items:center;line-height:1;opacity:0;z-index:3;transition:opacity .18s ease,background .15s ease}.av-remove-btn:hover{background:#dc3232d9}.av-preview-box:hover .av-change-btn,.av-preview-box:hover .av-remove-btn{opacity:1}.av-style-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;align-content:start}.av-style-card{display:flex;flex-direction:column;align-items:stretch;border:2px solid var(--line);border-radius:var(--radius-md);padding:8px 6px;text-align:center;background:var(--page);cursor:pointer;transition:border-color .18s ease,background .18s ease}@media(hover:hover){.av-style-card:hover{border-color:var(--orange)}}.av-style-card.selected{border-color:var(--orange)}.av-style-card.disabled{cursor:default;pointer-events:none}.av-style-card-img{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;margin-bottom:6px;border:1px dashed var(--line-strong);border-radius:var(--radius-sm);background-color:var(--page-soft);background-image:linear-gradient(45deg,#d8d8d8 25%,transparent 25%),linear-gradient(-45deg,#d8d8d8 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d8d8d8 75%),linear-gradient(-45deg,transparent 75%,#d8d8d8 75%);background-size:10px 10px;background-position:0 0,0 5px,5px -5px,-5px 0}.av-style-card.selected .av-style-card-img{border-style:solid;border-color:var(--orange)}.av-style-placeholder{width:100%;height:100%;display:block;pointer-events:none}.av-style-card img{width:100%;aspect-ratio:1;object-fit:contain;display:block;image-rendering:auto;pointer-events:none}.av-style-card-label{font-size:12px;font-weight:700;color:var(--muted);line-height:1.2}.av-style-card.selected .av-style-card-label{color:var(--orange-dark)}.av-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:14px;border-top:1px solid var(--line-2);margin-top:4px}#av-status{font-size:13px;color:var(--muted);line-height:1.4;min-width:0}.av-toolbar .panel-btn{flex-shrink:0}@media(max-width:768px){.av-workspace{grid-template-columns:1fr;gap:14px;min-height:auto}.av-style-grid{grid-template-columns:repeat(4,1fr)}}@media(max-width:640px){.av-style-grid{grid-template-columns:repeat(auto-fill,minmax(72px,1fr))}.av-toolbar{flex-direction:column;align-items:stretch;gap:10px}.av-toolbar .panel-btn{width:100%}.av-drop-card{padding:32px 16px}}