:root{--orange: #ea4e16;--charcoal: #202221;--gray: #efefef;--gray-mid: #cfcfcf}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{font-family:Noto Sans TC,Segoe UI,system-ui,sans-serif;color:var(--charcoal);background:#fff;-webkit-font-smoothing:antialiased}#app{display:flex;height:100vh}#viewer{flex:1;position:relative;background:#fafafa;overflow:hidden}#viewer canvas{display:block}#drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#9a9a9a;font-size:18px;pointer-events:none;text-align:center}#drop-hint .dh-icon{font-size:40px;width:84px;height:84px;line-height:84px;border:2px dashed var(--gray-mid);border-radius:16px;color:var(--gray-mid)}#vtools{position:absolute;top:12px;left:12px;z-index:10;display:flex;gap:6px}#vtools[hidden]{display:none}.vt-btn{padding:6px 14px;font-size:13px;font-weight:600;border:1px solid var(--gray-mid);background:#fff;border-radius:6px;cursor:pointer;color:#666;box-shadow:0 1px 4px #00000014}.vt-btn.active{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}.vt-btn:not(.active):hover{border-color:var(--charcoal);color:var(--charcoal)}.vt-grid{margin-left:10px}.vt-grid.active{background:var(--orange);border-color:var(--orange)}#overlayWrap{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none}.overlay-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible;-webkit-user-select:none;user-select:none}#viewer.dragging{background:#fff4ef}#viewer.dragging #drop-hint{color:var(--orange)}#viewer.dragging #drop-hint .dh-icon{border-color:var(--orange);color:var(--orange)}#viewer.loaded #drop-hint{display:none}#panel{width:320px;border-left:1px solid var(--gray);padding:20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}#panel header .brand-logo{height:34px;width:auto;display:block;margin-bottom:8px}#panel header h1{font-size:19px;font-weight:700;letter-spacing:.3px}#panel .ver{font-size:12px;color:#9a9a9a;margin-top:2px}.card{background:var(--gray);border-radius:10px;padding:14px}.card-title{font-weight:700;margin-bottom:10px;font-size:14px}.color-row{display:flex;align-items:center;justify-content:space-between;margin:8px 0}.color-row label{font-size:14px}.color-row input[type=color]{width:48px;height:30px;border:1px solid var(--gray-mid);border-radius:6px;background:none;cursor:pointer}.hint{font-size:12px;color:#6a6a6a;margin-top:8px;line-height:1.5}.curve-box{margin:12px 0 4px;background:#fff;border:1px solid var(--gray-mid);border-radius:8px;padding:4px}.curve-svg{width:100%;display:block;cursor:crosshair;-webkit-user-select:none;user-select:none}.mix-tabs{display:flex;gap:6px}.mix-tab{flex:1;padding:8px 4px;font-size:14px;font-weight:600;border:1px solid var(--gray-mid);background:#fff;border-radius:8px;cursor:pointer;color:#666}.mix-tab.active{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}.mix-tab:not(.active):hover{border-color:var(--charcoal);color:var(--charcoal)}.qcolors{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.qcolors .color-row{margin:4px 0}.tpl-row{display:flex;gap:6px;align-items:center;margin-top:10px}.tpl-label{font-size:12px;color:#6a6a6a}.tpl-btn{padding:5px 8px;font-size:12px;border:1px solid var(--gray-mid);background:#fff;border-radius:6px;cursor:pointer;color:#444}.tpl-btn:hover{border-color:var(--orange);color:var(--orange)}.view-tabs{margin-top:8px}.qtable-box{margin:12px 0 4px;background:#fff;border:1px solid var(--gray-mid);border-radius:8px;padding:8px}.qtable-box table{width:100%;border-collapse:collapse;font-size:12px}.qtable-box th{color:#9a9a9a;font-weight:600;padding:3px 1px;text-align:center}.qtable-box td{padding:2px 1px;text-align:center}.qtable-box input[type=number]{width:100%;max-width:46px;padding:3px 1px;font-size:12px;text-align:center;border:1px solid var(--gray-mid);border-radius:4px}.qtable-box input:disabled{background:var(--gray);color:#9a9a9a;border-color:var(--gray)}.qtable-box .del-btn{border:none;background:none;color:#bbb;cursor:pointer;font-size:14px;padding:0 2px}.qtable-box .del-btn:hover:not(:disabled){color:var(--orange)}.qtable-box .del-btn:disabled{cursor:default;opacity:.25}#qAddRow{margin-top:8px;width:100%}.warn{font-size:12px;color:#7a4a12;background:#fdf1e8;border-left:3px solid var(--orange);padding:8px 10px;border-radius:4px;margin-top:8px;line-height:1.5}.mode-tabs{display:flex;gap:6px;margin-top:12px}.mode-btn{flex:1;padding:6px 4px;font-size:13px;border:1px solid var(--gray-mid);background:#fff;border-radius:6px;cursor:pointer;color:#666}.mode-btn.active{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}.mode-btn:not(.active):hover{border-color:var(--charcoal);color:var(--charcoal)}#info{font-size:13px;line-height:1.7;color:#444;white-space:pre-line}#loadBtn{border:none;background:var(--charcoal);color:#fff;padding:11px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:600}#loadBtn:hover{background:#000}#exportBtn{border:none;background:var(--orange);color:#fff;padding:11px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:700}#exportBtn:disabled{background:var(--gray-mid);cursor:not-allowed}#exportBtn:not(:disabled):hover{background:#d33f0c}#panel footer{margin-top:auto;padding-top:14px;border-top:1px solid var(--gray);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#9a9a9a}#panel footer a{color:var(--charcoal);text-decoration:none}#panel footer a:hover{color:var(--orange)}