:root{--bg: #fdf6e3;--bg-2: #fbf0d5;--panel: #ffffff;--border: #efe4c4;--border-soft: #f3ecd8;--text: #4f4a41;--muted: #a49a86;--accent: #4bb5e8;--accent-hover: #37a4d9;--accent-soft: #e8f5fc;--sunny: #ffd45e;--shadow: 0 2px 10px rgba(120, 100, 40, .1);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}html,body,#root{height:100%}.app{display:flex;height:100vh;width:100vw;overflow:hidden}.stage{flex:1;min-width:0;background-color:#f6efdc;background-image:linear-gradient(45deg,#efe6cd 25%,transparent 25%),linear-gradient(-45deg,#efe6cd 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#efe6cd 75%),linear-gradient(-45deg,transparent 75%,#efe6cd 75%);background-size:24px 24px;background-position:0 0,0 12px,12px -12px,-12px 0;display:flex;align-items:center;justify-content:center}.sidebar{width:340px;flex:none;height:100vh;overflow-y:auto;padding:16px;background:var(--bg-2);border-left:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.empty{color:var(--muted)}.title-row{display:flex;align-items:center;gap:8px}.title{font-size:20px;font-weight:800;color:var(--accent);letter-spacing:.02em}.proj-name{flex:1;min-width:0}.panel{background:var(--panel);border:1px solid var(--border-soft);border-radius:14px;padding:14px;box-shadow:var(--shadow)}.panel h2{margin:0 0 10px;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.03em}canvas{display:block;max-width:100%;image-rendering:pixelated}.edit-inner canvas{max-width:none;flex:none}.row{display:flex;align-items:center;gap:8px;margin:8px 0;font-size:13px}.row label{color:var(--muted);min-width:52px}input[type=number],input[type=text],select,.proj-name{background:#fffdf7;color:var(--text);border:1.5px solid var(--border);border-radius:9px;padding:6px 9px;font:inherit;font-size:13px}input[type=number]{width:68px}input:focus,select:focus{outline:none;border-color:var(--accent)}input[type=range]{flex:1;accent-color:var(--accent)}input[type=checkbox]{accent-color:var(--accent);width:15px;height:15px}button{background:#fffdf7;color:var(--text);border:1.5px solid var(--border);border-radius:10px;padding:7px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s,transform .05s}button:hover{background:var(--accent-soft);border-color:var(--accent)}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:not-allowed;background:#fffdf7;border-color:var(--border)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.file-btn{display:inline-block;background:var(--accent);color:#fff;border-radius:12px;padding:14px 26px;font-size:15px;font-weight:700;cursor:pointer;box-shadow:var(--shadow)}.file-btn:hover{background:var(--accent-hover)}.file-btn.sm{padding:7px 14px;font-size:13px;border-radius:10px}.file-btn.secondary{background:#fffdf7;color:var(--accent);border:1.5px solid var(--accent);box-shadow:none}.file-btn.secondary:hover{background:var(--accent-soft)}.canvas-wrap{position:relative;width:100%;height:100%}.edit-scroll{position:absolute;top:0;right:0;bottom:0;left:0;overflow:auto}.edit-inner{min-width:100%;min-height:100%;display:flex;align-items:safe center;justify-content:safe center;width:max-content;padding:12px}.canvas-toolbar{position:absolute;top:12px;left:12px;z-index:5;display:flex;align-items:center;gap:6px;background:#ffffffe6;border:1px solid var(--border);border-radius:12px;padding:5px 7px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.canvas-toolbar button{min-width:30px;padding:4px 9px}.canvas-toolbar button.active{background:var(--accent);border-color:var(--accent);color:#fff}.zoom-pct{font-size:12px;color:var(--muted);min-width:42px;text-align:center;font-variant-numeric:tabular-nums}.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.tab{min-width:0;border-radius:999px;padding:7px 4px;font-size:11px;font-weight:700}.tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.tab:disabled{opacity:.4;cursor:not-allowed}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.tool-grid button{position:relative;padding:9px 4px;font-size:12px}.tool-grid kbd{position:absolute;top:3px;right:5px;font-family:ui-monospace,monospace;font-size:9px;font-weight:700;color:var(--muted);background:var(--bg);border-radius:4px;padding:0 3px;line-height:1.4}.tool-grid button.primary kbd{color:#fff;background:#ffffff40}.swatch-list{display:flex;flex-direction:column;gap:5px;max-height:320px;overflow-y:auto}.swatch{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;min-height:30px;border:1px solid #0001}.swatch:hover{outline:2px solid rgba(91,156,255,.55);outline-offset:-2px}.swatch.active{outline:3px solid var(--accent);outline-offset:-3px}.swatch .name{flex:1;font-size:13px;font-weight:600}.swatch .count{font-size:12px;font-variant-numeric:tabular-nums}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#3c321459;display:flex;align-items:center;justify-content:center}.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 30px #503c1440;padding:18px;width:min(90vw,460px)}.calib-card{border:2px solid var(--accent);border-radius:8px;background:repeating-linear-gradient(-45deg,#eaf5fd 0,#eaf5fd 8px,#d8ecfa 8px,#d8ecfa 16px)}.color-field{display:inline-flex;align-items:center;gap:6px;flex:1}.color-field input[type=text]{width:88px;font-family:ui-monospace,monospace}.picker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:3px;max-height:240px;overflow-y:auto;margin:6px 0}.picker-grid.tall{max-height:360px}.picker-cell{aspect-ratio:1;min-width:0;padding:1px;display:flex;align-items:center;justify-content:center;text-align:center;line-height:1.05;overflow:hidden;font-family:inherit;font-size:9px;font-weight:700;word-break:break-all;border:1px solid #0002;border-radius:4px;cursor:pointer}.picker-cell.used{box-shadow:inset 0 0 0 2px #f5c518}.picker-cell:hover{outline:2px solid var(--accent);outline-offset:1px}.swatch .pin{padding:1px 4px;min-width:auto;border:none;border-radius:6px;background:#ffffffd9;filter:grayscale(1) opacity(.5)}.swatch .pin.on{filter:none;background:#fff;box-shadow:0 0 0 2px var(--accent)}.merge-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.merge-chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;background:var(--accent-soft);border:1px solid var(--border);border-radius:999px;padding:2px 4px 2px 10px}.merge-chip button{padding:0 4px;min-width:auto;border:none;background:transparent;color:var(--muted)}.hint{font-size:12px;color:var(--muted);line-height:1.6}@media(max-width:760px){.app{flex-direction:column;height:auto;overflow:visible}.stage{height:60vh}.sidebar{width:100%;height:auto}}