.drop-card{display:grid;place-items:center;background:var(--page-soft,#f8f8f8);border:2px dashed var(--line,#e9e9e9);border-radius:16px;padding:48px 24px;height:420px;box-sizing:border-box;text-align:center;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.drop-card:focus-visible{outline:2px solid var(--orange,#ff6a38);outline-offset:2px;border-color:var(--orange,#ff6a38)}.drop-card.is-over{border-color:var(--orange,#ff6a38)!important;background:#fff6f1!important;transform:scale(.995)}.drop-card h3{margin:0 0 8px;font-size:18px;font-weight:700;letter-spacing:-.03em;color:var(--text,#131a28)}.drop-card p{margin:0 0 20px;color:var(--muted,#636a75);font-size:14px;line-height:1.6;max-width:360px}.drop-card .panel-btn{margin-top:4px}.drop-icon{width:54px;height:54px;border:1px solid var(--line-2,#ededed);border-radius:16px;display:grid;place-items:center;background:#fff;color:var(--orange,#ff6a38);margin:0 auto 18px}.drop-icon svg{width:24px;height:24px;stroke:currentColor}.file-error{margin-top:12px;padding:10px 16px;border-radius:10px;background:#fff0f0;border:1px solid #fcc;color:#c33;font-size:14px;line-height:1.5;display:flex;align-items:center;justify-content:space-between;gap:12px}.file-error-close{flex-shrink:0;width:24px;height:24px;border:none;border-radius:6px;background:transparent;color:#c33;font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center}.tc-workspace{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}.tc-preview-col{min-width:0}.tc-preview-box{display:flex;justify-content:center;align-items:center;height:420px;position:relative;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;border:1px solid var(--line,#e9e9e9);border-radius:14px;overflow:hidden;padding:24px}.tc-preview-box canvas{max-width:100%;max-height:100%;display:block}.tc-change-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;border:none;background:#fff;color:var(--orange,#ff6a38);cursor:pointer;display:grid;place-items:center;box-shadow:0 4px 16px #0003;transition:opacity .18s ease,transform .15s ease;opacity:0}.tc-change-btn:hover{transform:translate(-50%,-50%) scale(1.1)}.tc-change-btn svg{width:22px;height:22px}.tc-remove-btn{position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;border:none;background:#00000073;color:#fff;font-size:16px;cursor:pointer;display:grid;place-items:center;line-height:1;transition:opacity .18s ease,background .15s ease;opacity:0}.tc-remove-btn:hover{background:#dc3232d9}.tc-preview-box:hover .tc-change-btn,.tc-preview-box:hover .tc-remove-btn{opacity:1}@media(hover:hover){.drop-card:hover{border-color:var(--orange,#ff6a38)}.tc-preset:hover{border-color:var(--orange,#ff6a38);color:var(--orange,#ff6a38)}}.tc-controls-col{display:grid;grid-template-rows:auto auto minmax(96px,auto) 1fr auto;gap:14px;padding:20px;border:1px solid var(--line,#e9e9e9);border-radius:14px;background:#fff;height:420px;box-sizing:border-box;transition:opacity .25s ease}.tc-controls-col.is-disabled{pointer-events:none;opacity:.45}.tc-choice-row{display:flex;gap:8px}.tc-choice{flex:1;display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line,#e9e9e9);border-radius:10px;font-size:13px;font-weight:600;color:var(--muted,#636a75);cursor:pointer;transition:border-color .18s,color .18s}.tc-choice:has(input:checked){border-color:var(--orange,#ff6a38);color:var(--orange,#ff6a38)}.tc-radius-inputs{display:flex;align-items:center;gap:10px}.tc-radius-inputs .range-wrap{flex:1;min-width:0}.tc-radius-inputs input[type=number]{width:72px;height:40px;border:1px solid var(--line,#e9e9e9);border-radius:10px;text-align:center;font-size:16px;font-weight:700;color:var(--text,#131a28);background:#fff;outline:none;-moz-appearance:textfield}.tc-radius-inputs input[type=number]::-webkit-inner-spin-button,.tc-radius-inputs input[type=number]::-webkit-outer-spin-button{opacity:1}.tc-radius-inputs input[type=number]:focus{border-color:var(--orange,#ff6a38);box-shadow:0 0 0 3px #ff6a381f}.tc-radius-unit{font-size:15px;color:var(--muted,#636a75)}.tc-controls-col .panel-btn{width:100%}.tc-presets{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.tc-preset{height:32px;padding:0 4px;border:1px solid var(--line,#e9e9e9);border-radius:8px;background:#fff;color:var(--muted,#636a75);font-size:13px;font-weight:600;cursor:pointer;text-align:center;transition:border-color .18s ease,background .18s ease,color .18s ease}.tc-preset.active{border-color:var(--orange,#ff6a38);background:var(--orange-soft,#fff1ea);color:var(--orange,#ff6a38)}.tc-corners-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tc-corner-cell{display:flex;align-items:center;gap:6px}.tc-corner-label{font-size:12px;font-weight:700;color:var(--muted,#636a75);width:24px;text-align:center}.tc-corner-input{width:100%;height:36px;border:1px solid var(--line,#e9e9e9);border-radius:10px;text-align:center;font-size:14px;font-weight:650;color:var(--text,#131a28);background:#fff;outline:none;-moz-appearance:textfield}.tc-corner-input:focus{border-color:var(--orange,#ff6a38);box-shadow:0 0 0 3px #ff6a381f}.tc-bg-section{display:flex;flex-direction:column}.tc-bg-label{display:block;font-size:13px;font-weight:600;color:var(--muted,#636a75);margin-bottom:8px}.tc-bg-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;flex:1}.tc-bg-btn{aspect-ratio:1;padding:6px;border:2px solid var(--line,#e9e9e9);border-radius:12px;background:#fff;cursor:pointer;transition:border-color .18s ease;display:grid;place-items:center}.tc-bg-btn svg{width:100%;height:100%;display:block}.tc-bg-btn.active,.tc-bg-btn:hover{border-color:var(--orange,#ff6a38)}.tc-file-info{display:flex;align-items:center;justify-content:space-between;margin-top:14px;color:var(--muted,#636a75);font-size:13px;gap:12px}@media(max-width:768px){.tc-workspace{grid-template-columns:1fr;gap:14px}.tc-preview-box{height:auto;min-height:220px;padding:16px;border-radius:12px}.tc-preview-box canvas{max-height:350px}.drop-card{height:auto;min-height:220px;padding:36px 20px}.tc-controls-col{height:auto;padding:16px;gap:12px}}@media(max-width:640px){.tc-preview-box{min-height:180px;padding:12px}.tc-preview-box canvas{max-height:280px}.drop-card{min-height:180px;padding:28px 16px}.tc-file-info{flex-direction:column;align-items:flex-start;gap:8px}}