:root{--ink:#17202b;--line:#dce8ef;--blue:#2563eb}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;overflow:hidden}body{color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif}button{font:inherit;color:inherit}.app-shell,.canvas-area{width:100%;height:100vh;min-height:480px}.canvas-area{position:relative;overflow:hidden;background:#fff;cursor:crosshair;touch-action:none}.canvas-area canvas{display:block;outline:none;touch-action:none}.canvas-area canvas:focus-visible{box-shadow:inset 0 0 0 2px #2563eb}.wordmark{position:absolute;left:22px;top:18px;font-size:16px;font-weight:800;letter-spacing:-.04em;color:#17202b;pointer-events:none;-webkit-user-select:none;user-select:none}.floating-stack,.floating-colors,.floating-zoom,.floating-grid,.floating-export{background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px #18324717}.floating-stack,.floating-colors,.floating-zoom,.floating-top-right{position:absolute;z-index:3}.floating-stack{display:flex;flex-direction:column;gap:4px;padding:5px;border-radius:15px}.left-tools{left:18px;top:50%;transform:translateY(-58%)}.left-actions{left:18px;bottom:18px}.right-symmetry{right:18px;top:50%;transform:translateY(-92%)}.float-btn{width:42px;height:42px;border:0;border-radius:11px;background:#fff;display:grid;place-items:center;cursor:pointer;transition:background .15s ease,color .15s ease,transform .15s ease}.float-btn:hover{background:#f2f6f8}.float-btn:active{transform:scale(.95)}.float-btn svg{width:19px}.float-btn.active{background:#2563eb;color:#fff}.float-btn:disabled{opacity:.24;cursor:default}.float-btn.danger.ready{color:#dc2626;background:#fff1f2}.float-btn.text{font-size:12px;font-weight:800}.floating-top-right{right:18px;top:18px;display:flex;align-items:center;gap:8px}.floating-grid{border-radius:13px}.floating-export-wrap{position:relative}.floating-export{height:42px;border:0;border-radius:13px;background:#17202b;color:#fff;padding:0 13px;display:flex;align-items:center;gap:7px;font-size:12px;font-weight:800;cursor:pointer}.floating-export svg{width:17px}.floating-export svg:last-child{width:14px}.export-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:188px;padding:5px;border-radius:13px;background:#17202b;color:#fff;box-shadow:0 10px 28px #18324733;display:flex;flex-direction:column;gap:2px;z-index:5}.export-menu button{border:0;background:transparent;color:#fff;text-align:left;padding:9px 11px;border-radius:9px;font-size:12px;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;white-space:nowrap}.export-menu button:hover{background:#ffffff18}.export-menu svg{width:15px;flex-shrink:0}.floating-colors{right:18px;top:50%;transform:translateY(18%);border-radius:16px;padding:9px;display:flex;flex-direction:column;align-items:center;gap:9px}.color-columns{display:grid;grid-template-columns:1fr 1fr;gap:9px}.color-presets,.color-slots{display:flex;flex-direction:column;gap:9px}.color-btn{width:33px;height:24px;border-radius:8px;border:3px solid #fff;box-shadow:0 0 0 1px #cfdbe3;cursor:pointer}.color-btn.selected{box-shadow:0 0 0 2px #17202b;transform:scale(1.06)}.color-wheel-wrap{width:28px;height:28px;border-radius:50%;overflow:hidden;border:3px solid #fff;box-shadow:0 0 0 1px #cfdbe3;cursor:pointer;flex-shrink:0}.color-wheel{display:block;width:140%;height:140%;margin:-20%;padding:0;border:0;background:none;cursor:pointer}.color-wheel::-webkit-color-swatch-wrapper{padding:0}.color-wheel::-webkit-color-swatch{border:0;border-radius:50%}.color-wheel::-moz-color-swatch{border:0;border-radius:50%}.color-btn.armed{box-shadow:0 0 0 2px #2563eb;outline:2px dashed #2563eb;outline-offset:-4px}.color-btn.empty{background:repeating-linear-gradient(45deg,#f2f6f8,#f2f6f3 4px,#fff 4px 8px)}.floating-zoom{right:18px;bottom:18px;border-radius:13px;padding:4px;display:flex;align-items:center}.floating-zoom button{width:34px;height:32px;border:0;border-radius:9px;background:#fff;display:grid;place-items:center;cursor:pointer}.floating-zoom button:hover{background:#f2f6f8}.floating-zoom button:disabled{opacity:.24;cursor:default}.floating-zoom button:disabled:hover{background:#fff}.floating-zoom svg{width:15px}.floating-zoom span{width:48px;text-align:center;font-size:11px;font-weight:800;color:#60717c}.selection-toast,.fill-notice{position:absolute;z-index:4;left:50%;top:18px;transform:translate(-50%);border-radius:11px;padding:10px 14px;font-size:12px;font-weight:700;box-shadow:0 8px 24px #21354714;pointer-events:none}.selection-toast{display:flex;align-items:center;gap:8px;border:1px solid #bae6fd;background:#f0f9ffed;color:#075985}.selection-toast svg{width:15px}.selection-toast kbd{padding:3px 6px;border:1px solid #bae6fd;border-bottom-width:2px;border-radius:5px;background:#fff;font-size:10px}.fill-notice.error{color:#9f1239;background:#fff1f2ed;border:1px solid #fecdd3}.fill-notice.success{color:#166534;background:#f0fdf4ed;border:1px solid #bbf7d0}@media(max-width:620px){.wordmark{left:14px;top:13px}.floating-top-right{right:12px;top:10px}.left-tools,.left-actions{left:10px}.right-symmetry,.floating-colors,.floating-zoom{right:10px}.left-tools{top:45%}.left-actions{bottom:10px}.floating-colors{padding:7px;gap:7px}.color-columns,.color-presets,.color-slots{gap:7px}.color-btn{width:33px;height:22px}.color-wheel-wrap{width:26px;height:26px}.floating-zoom{bottom:10px}.floating-zoom span{display:none}.selection-toast,.fill-notice{top:62px;white-space:nowrap;max-width:calc(100% - 24px)}}