:root{--bg: #0b0b0f;--surface: #141419;--surface-2: #1b1b22;--surface-3: #23232b;--border: #2a2a33;--border-strong: #3a3a45;--text: #ececf1;--text-dim: #9b9ba8;--text-faint: #6c6c78;--accent: #8b8bf5;--accent-strong: #a3a3ff;--danger: #e5484d;--radius: 10px;--radius-sm: 8px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:52px;border-bottom:1px solid var(--border);background:#0b0b0fd1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px}.logo{color:var(--text)}.brand-text{display:flex;align-items:baseline;gap:8px}.brand-name{font-size:16px;font-weight:700;letter-spacing:.2px}.brand-sub{font-size:12px;color:var(--text-dim)}.header-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-dim);border:1px solid var(--border);border-radius:999px;padding:4px 10px}.app-main{flex:1;display:flex;min-height:0}.workspace{flex:1;min-width:0;display:flex;flex-direction:column;padding:16px;overflow:auto}.panel-wrap{display:flex;flex-direction:column}.dropzone-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 20px}.dropzone{width:100%;max-width:620px;border:1.5px dashed var(--border-strong);border-radius:16px;padding:56px 32px;text-align:center;background:var(--surface);cursor:pointer;transition:border-color .15s,background .15s}.dropzone.drag{border-color:var(--accent);background:var(--surface-2)}.dz-icon{color:var(--text-dim);margin-bottom:16px;display:flex;justify-content:center}.dropzone h1{font-size:21px;font-weight:650;margin:0 0 10px;letter-spacing:.1px}.dropzone p{color:var(--text-dim);margin:0 0 6px}.dz-sub{font-size:12px;color:var(--text-faint);margin-bottom:22px}.dz-actions{display:flex;justify-content:center;gap:10px}.dz-types{font-size:12px;color:var(--text-faint);margin-top:18px}.canvas-stage{flex:1;display:flex;flex-direction:column;align-items:stretch;min-height:0;overflow:auto}.canvas-card{position:relative;margin:0 auto;background:#fafaf8;border:1px solid rgba(0,0,0,.08);border-radius:var(--radius);box-shadow:0 8px 24px #00000059;overflow:auto;line-height:0;touch-action:none;min-width:min-content;width:max-content;max-width:100%}.pattern-canvas{display:block;touch-action:none;transform-origin:0 0;will-change:transform}.pattern-canvas.tool-paint,.pattern-canvas.tool-eraser{cursor:crosshair}.pattern-canvas.tool-magnify{cursor:zoom-in}.pattern-canvas.dragging{cursor:grabbing}.cell-hover{position:absolute;border:2px solid var(--accent);border-radius:2px;box-shadow:0 0 0 1px #ffffffa6;pointer-events:none;z-index:5}.canvas-toolbar{display:flex;align-items:center;gap:10px;padding:0 0 10px;flex-wrap:wrap}.segmented.tools button{display:inline-flex;align-items:center;gap:5px;padding:5px 10px}.segmented.tools button:disabled{opacity:.4;cursor:not-allowed}.hist-btns{display:flex;gap:6px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);border-radius:7px;cursor:pointer;transition:background .12s,color .12s,border-color .12s;padding:0}.icon-btn:hover:not(:disabled){background:var(--surface-3);color:var(--text)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.zoom-controls{display:flex;align-items:center;gap:6px;margin-left:auto}.zoom-pct{min-width:44px;text-align:center;font-family:var(--mono);font-size:12px;color:var(--text-dim)}.lens{position:absolute;z-index:10;pointer-events:none;background:#16161d;border:1px solid var(--border-strong);border-radius:10px;padding:8px;box-shadow:0 10px 28px #0000008c;line-height:1.2}.lens-canvas{display:block;border-radius:6px;image-rendering:pixelated}.lens-info{margin-top:6px;font-size:11px;color:var(--text-dim);font-family:var(--mono);text-align:center;white-space:nowrap}.canvas-empty{min-width:420px;min-height:300px;display:flex;align-items:center;justify-content:center;color:var(--text-faint);line-height:1.4}.inline-working{display:inline-flex;align-items:center;gap:10px;color:var(--text-dim)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;gap:10px;background:#fafaf8b8;color:#333;font-size:13px;line-height:1.4;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.spinner{width:18px;height:18px;border-radius:50%;border:2px solid rgba(0,0,0,.15);border-top-color:#333;animation:spin .8s linear infinite;display:inline-block;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.canvas-info{margin-top:10px;text-align:center;font-size:12px;color:var(--text-faint);font-family:var(--mono)}.control-panel{width:320px;flex-shrink:0;border-left:1px solid var(--border);background:var(--surface);overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.panel-section{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:12px}.panel-section h3{margin:0 0 10px;font-size:12px;font-weight:600;color:var(--text-dim);letter-spacing:.3px}.panel-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.panel-row:last-child{margin-bottom:0}.panel-col{display:flex;flex-direction:column;gap:8px}.size-readout{font-size:13px;color:var(--text-dim);margin-top:8px}.mono{font-family:var(--mono);color:var(--text)}.hint{font-size:11px;color:var(--text-faint);margin:8px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border-strong);background:var(--surface-3);color:var(--text);border-radius:var(--radius-sm);padding:7px 12px;font-size:13px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s,color .12s,opacity .12s;font-family:var(--font)}.btn:hover{background:#2b2b35}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#0b0b0f;font-weight:600}.btn-primary:hover{background:var(--accent-strong)}.btn-primary:disabled:hover{background:var(--accent)}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-dim)}.btn-ghost:hover{color:var(--text);border-color:var(--border-strong);background:var(--surface-2)}.btn-sm{padding:5px 9px;font-size:12px}.btn-block{width:100%}input[type=range]{width:100%;accent-color:var(--accent)}.segmented{display:flex;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px}.segmented button{flex:1;border:0;background:transparent;color:var(--text-dim);font-size:12px;padding:5px 0;border-radius:6px;cursor:pointer;font-family:var(--font)}.segmented button.active{background:var(--surface-3);color:var(--text);font-weight:600}.toggle{display:flex;align-items:center;gap:8px;background:none;border:0;padding:0;cursor:pointer;color:var(--text);font-size:13px;font-family:var(--font)}.toggle-track{width:32px;height:18px;border-radius:999px;background:var(--border-strong);position:relative;transition:background .15s;flex-shrink:0}.toggle-thumb{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .15s}.toggle.on .toggle-track{background:var(--accent)}.toggle.on .toggle-track .toggle-thumb{transform:translate(14px)}select{width:100%;background:var(--surface-3);border:1px solid var(--border-strong);color:var(--text);border-radius:var(--radius-sm);padding:7px 10px;font-size:13px;font-family:var(--font)}.origin-row{display:flex;align-items:center;gap:10px}.origin-thumb{width:44px;height:44px;border-radius:8px;object-fit:cover;border:1px solid var(--border);background:var(--bg)}.origin-thumb.placeholder{background:linear-gradient(135deg,#2a2a33 25%,transparent 25%) -8px 0 / 16px 16px,linear-gradient(225deg,#2a2a33 25%,transparent 25%) -8px 0 / 16px 16px,linear-gradient(315deg,#2a2a33 25%,transparent 25%) 0 0 / 16px 16px,linear-gradient(45deg,#2a2a33 25%,#1b1b22 25%) 0 0 / 16px 16px}.origin-meta{flex:1;min-width:0}.origin-name{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.origin-size{font-size:11px;color:var(--text-faint);font-family:var(--mono)}.color-strip{display:flex;flex-wrap:wrap;gap:6px;max-height:128px;overflow-y:auto;padding:2px;margin-top:10px}.color-chip{width:20px;height:20px;border-radius:5px;border:2px solid transparent;cursor:pointer;padding:0;flex-shrink:0}.color-chip.selected{border-color:var(--accent);outline:2px solid rgba(139,139,245,.35);outline-offset:1px}.stats{display:flex;flex-direction:column;gap:2px;max-height:260px;overflow-y:auto}.stats-row{display:grid;grid-template-columns:24px 18px 52px 1fr auto auto;align-items:center;gap:8px;padding:3px 4px;border-radius:6px;font-size:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.stats-row.hl{background:#8b8bf52e;outline:1px solid var(--accent)}.hl-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.hl-label{font-size:12px;color:var(--text-dim)}.icon-btn.active{color:var(--text);border-color:var(--accent);background:#8b8bf526}.stats-row:hover{background:var(--surface-3)}.stats-no{color:var(--text-faint);font-family:var(--mono);text-align:right}.swatch{width:16px;height:16px;border-radius:4px;border:1px solid rgba(255,255,255,.12)}.stats-code{font-family:var(--mono);color:var(--text-dim)}.stats-name{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stats-count{font-family:var(--mono);color:var(--text)}.stats-pct{font-family:var(--mono);color:var(--text-faint)}.stats-total{margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-size:12px;color:var(--text-dim);font-family:var(--mono)}.error-box{background:#e5484d1f;border:1px solid rgba(229,72,77,.4);color:#ffb3b6;border-radius:var(--radius-sm);padding:8px 10px;font-size:12px}@media print{body{background:#fff!important}.app-header,.control-panel,.panel-wrap{display:none!important}.app-main{display:block}.workspace{padding:0;overflow:visible}.canvas-stage{display:block}.canvas-card{box-shadow:none;border:none;border-radius:0;max-width:100%}.canvas-info{color:#333}}@media(max-width:860px){.app-main{flex-direction:column}.control-panel{width:100%;border-left:none;border-top:1px solid var(--border);max-height:55vh}.header-badge{display:none}.canvas-empty{min-width:260px;min-height:220px}}@media(max-width:600px){.workspace{padding:10px}.canvas-toolbar{padding:0 0 8px;gap:6px}.segmented.tools button{padding:5px 8px;font-size:12px}.zoom-controls{gap:4px}.canvas-card{border-radius:8px}.panel-wrap{position:fixed;left:0;right:0;bottom:0;z-index:40}.control-panel{width:100%;border-left:none;border-top:1px solid var(--border);max-height:44vh;padding:10px 12px;box-shadow:0 -6px 24px #00000073}.control-panel>.panel-section:not(.drawer){display:none}}