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h1,.coloring-online-app p{margin-top:0}.coloring-online-app h1{margin-bottom:12px;font-size:clamp(36px,6vw,72px);line-height:.96}.coloring-online-app .panel-title{display:block;margin:0 0 14px;color:#0f172a;font-size:20px;font-weight:700;line-height:1.3}.coloring-online-app .subtitle{max-width:680px;margin-bottom:0;color:#475569;font-size:18px}.coloring-online-app .actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.coloring-online-app .upload-button{display:inline-flex;align-items:center;border-radius:999px;padding:12px 18px;color:#fff;background:#0f172a;cursor:pointer;font-weight:700;box-shadow:0 10px 24px #0f172a2e}.coloring-online-app .upload-button input{display:none}.coloring-online-app .ghost-button{color:#0f172a;background:#fff;box-shadow:inset 0 0 0 1px #cbd5e1}.coloring-online-app .workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px}.coloring-online-app .panel,.coloring-online-app .canvas-card{min-width:0;border:1px solid rgb(148 163 184 / 35%);border-radius:18px;background:#ffffffc7;box-shadow:0 24px 80px #0f172a1f;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.coloring-online-app .panel{display:flex;flex-direction:column;gap:18px;padding:22px;color:#0f172a;font-size:16px;line-height:1.5}.coloring-online-app .color-input{width:100%;height:56px;border:0;border-radius:18px;background:transparent;cursor:pointer}.coloring-online-app .palette{display:grid;min-width:0;grid-template-columns:repeat(6,1fr);gap:8px}.coloring-online-app .swatch{width:100%;aspect-ratio:1;border:3px solid #ffffff;border-radius:999px;padding:0;box-shadow:0 8px 18px #0f172a24}.coloring-online-app .swatch.active{outline:3px solid #2563eb;outline-offset:2px}.coloring-online-app .info-card{display:flex;align-items:center;justify-content:flex-start;gap:8px;white-space:nowrap;padding:0;background:#f8fafc}.coloring-online-app .info-card span,.coloring-online-app .hint{color:#64748b;font-size:14px;font-weight:400}.coloring-online-app .info-card strong{color:#0f172a;font-size:15px;font-weight:700;line-height:1.4;word-break:break-word;text-align:left}.coloring-online-app .hint{display:block;margin:0;line-height:1.6}.coloring-online-app .range-input{width:100%;accent-color:#2563eb;cursor:pointer}.coloring-online-app .canvas-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:640px;overflow-x:auto;padding:18px 18px 80px}.coloring-online-app .stage{flex:0 0 auto;position:relative;max-width:100%;border:1px solid #e2e8f0;border-radius:12px;overflow:hidden;cursor:none;background:#fff;box-shadow:0 12px 30px #0f172a1a}.coloring-online-app .canvas-actions{position:absolute;left:50%;bottom:18px;z-index:5;display:flex;justify-content:center;width:min(92%,620px);overflow:hidden;border:1px solid rgb(148 163 184 / 35%);border-radius:10px;background:#fff;box-shadow:0 12px 30px #0f172a1a;transform:translate(-50%)}.coloring-online-app .tool-button{display:inline-flex;flex:1 1 0;align-items:center;justify-content:center;gap:8px;min-width:0;min-height:42px;border-radius:0;padding:8px 10px;color:#1f2937;background:#f8fafc;box-shadow:none;font-size:15px}.coloring-online-app .tool-button+.tool-button{border-left:1px solid rgb(255 255 255 / 75%)}.coloring-online-app .tool-button:hover:not(:disabled){transform:none;filter:brightness(.98)}.coloring-online-app .tool-button:disabled{cursor:not-allowed;opacity:.45}.coloring-online-app .tool-button span{font-size:20px;line-height:1}.coloring-online-app .tool-button-undo,.coloring-online-app .tool-button-redo{background:#fde047}.coloring-online-app .tool-button-clear{background:#fb8fa3}.coloring-online-app .tool-button-download{background:#63e68d}.coloring-online-app .paint-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.coloring-online-app .line-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.coloring-online-app .line-overlay svg{width:100%;height:100%;display:block}.coloring-online-app .paint-cursor{position:absolute;z-index:4;width:34px;height:34px;pointer-events:none;transform:translate(-50%,-50%)}.coloring-online-app .paint-cursor:before,.coloring-online-app .paint-cursor:after{content:"";position:absolute;background:#0f172a;box-shadow:0 0 0 1px #ffffffb3}.coloring-online-app .paint-cursor:before{top:50%;left:0;width:100%;height:1px}.coloring-online-app .paint-cursor:after{top:0;left:50%;width:1px;height:100%}.coloring-online-app .paint-cursor-dot{position:absolute;top:50%;left:50%;z-index:1;width:14px;height:14px;border:2px solid #ffffff;border-radius:999px;box-shadow:0 0 0 1px #0f172a59,0 4px 10px #0f172a40;transform:translate(-50%,-50%)}@media(max-width:860px),(pointer:coarse){.coloring-online-app .hero,.coloring-online-app .workspace{grid-template-columns:1fr}.coloring-online-app .hero{display:grid}.coloring-online-app .actions{justify-content:flex-start}.coloring-online-app .panel{order:1}.coloring-online-app .palette{grid-auto-columns:34px;grid-auto-flow:column;grid-template-columns:none;grid-template-rows:repeat(2,34px);gap:7px;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;padding:2px 2px 12px;scrollbar-color:#94a3b8 #e2e8f0;scrollbar-gutter:stable;scrollbar-width:thin;touch-action:pan-x}.coloring-online-app .palette::-webkit-scrollbar{height:7px}.coloring-online-app .palette::-webkit-scrollbar-track{background:#e2e8f0;border-radius:999px}.coloring-online-app .palette::-webkit-scrollbar-thumb{background:#94a3b8;border-radius:999px}.coloring-online-app .swatch{width:34px;height:34px;aspect-ratio:auto;border-width:2px;box-shadow:0 5px 12px #0f172a1f}.coloring-online-app .canvas-card{order:2;min-height:420px}.coloring-online-app .canvas-actions{width:100%;overflow-x:auto}.coloring-online-app .tool-button{flex:1 0 72px;min-height:48px;padding:8px 10px;font-size:13px}.coloring-online-app .tool-button span{font-size:20px}}