:root{--bg: #0f1115;--bg-rgb: 15 17 21;--panel: #171a21;--surface: #1b2030;--surface-active: #1b2740;--border: #262b36;--text: #e6e9ef;--muted: #8b93a3;--white: #ffffff;--black: #000000;--accent: #e5836a;--accent-track: rgb(229 131 106 / .85);--track: rgb(255 255 255 / .18);--ok: #5adc78;--ok-bg: #16241a;--ok-border: #2c5a36;--ok-text: #8fe0a3;--ok-glow: #5adc78aa;--error-bg: #2a1620;--error-text: #ffb3bd;--warn-text: #e8c15a;--warn-border: #5a4f1f;--blur: #f05a5a;--blur-text: #ffb0b0;--sharp-text: #a9e8bb;--scrim: rgba(15, 17, 21, .5);--panel-glass: rgba(15, 17, 21, .9);--panel-blur: 24px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 24px;--radius-full: 999px;--fs-xs: 11px;--fs-sm: 12px;--fs-base: 13px;--fs-md: 14px;--fs-lg: 16px;--fs-xl: 18px;--row-h: 40px;--gap-row: 4px;--gap-group: 16px;--panel-pad: 16px;--panel-inset: 8px;--topbar-h: 52px;--bottombar-h: 60px;--sheet-h-collapsed: 96px;--sheet-h-expanded: 62vh;--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-columns:340px 1fr;height:100vh}.topbar{display:none}.hamburger,.drawer-close{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);cursor:pointer}.drawer-close{display:none}.panel{background:var(--panel);border-right:1px solid var(--border);padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}.panel-head{display:flex;align-items:center;justify-content:space-between}.panel-title{font-size:var(--fs-xl);margin:0}.lang-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:var(--border);color:var(--text);font:inherit;font-size:var(--fs-sm);font-weight:700;padding:4px 10px;border-radius:var(--radius-full);cursor:pointer;line-height:1;margin-left:auto;margin-right:8px;transition:background .15s}.lang-btn:hover{background:var(--accent);color:var(--white)}.panel .sub{color:var(--muted);font-size:var(--fs-base);margin:0}.offline-badge{display:flex;align-items:center;gap:8px;font-size:var(--fs-sm);padding:7px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--muted)}.offline-badge.ok{border-color:var(--ok-border);background:var(--ok-bg);color:var(--ok-text)}.offline-badge .offline-label{flex:1}.offline-badge .dot{width:8px;height:8px;border-radius:var(--radius-full);flex:0 0 auto}.offline-badge .dot.on{background:var(--ok);box-shadow:0 0 6px var(--ok-glow)}.offline-badge .dot.off{background:var(--muted)}.offline-badge .off-tag{font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.04em;color:var(--warn-text);border:1px solid var(--warn-border);border-radius:var(--radius-sm);padding:1px 5px}.dropzone{border:1.5px dashed var(--border);border-radius:var(--radius-md);padding:22px 14px;text-align:center;color:var(--muted);font-size:var(--fs-md);cursor:pointer;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.over{border-color:var(--accent);background:var(--surface)}.dropzone p{margin:0}.status{display:flex;align-items:center;gap:8px;font-size:var(--fs-base);padding:8px 10px;border-radius:var(--radius-sm);background:var(--surface)}.status.error{background:var(--error-bg);color:var(--error-text)}.status .pct{margin-left:auto;color:var(--muted)}.status.floating{position:absolute;top:16px;left:50%;transform:translate(-50%);z-index:6;border:1px solid var(--border);background:var(--panel-glass)}.spinner{width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:var(--radius-full);animation:spin .8s linear infinite;flex:0 0 auto}@keyframes spin{to{transform:rotate(360deg)}}.busy-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;align-items:center;justify-content:center;background:var(--scrim);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.busy-box{display:flex;align-items:center;gap:10px;padding:12px 18px;font-size:var(--fs-md);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--panel-glass);box-shadow:0 8px 30px #00000080}.busy-box .spinner{width:18px;height:18px}.busy-box .pct{color:var(--muted)}.controls{display:flex;flex-direction:column;gap:12px}.controls.disabled{opacity:.45;pointer-events:none}.control{display:flex;flex-direction:row;align-items:center;gap:8px;font-size:var(--fs-base)}.control-label{display:flex;justify-content:space-between;color:var(--muted);align-items:center;flex:0 0 auto;white-space:nowrap}.control-label-text{display:flex;align-items:center;gap:5px}.ctrl-icon{display:flex;align-items:center;color:var(--muted);flex:0 0 auto}.control-label em{color:var(--text);font-style:normal}.control input[type=range]{flex:1;min-width:0;accent-color:var(--accent)}.control-switch{justify-content:space-between}.control-switch .control-label-text{flex:1 1 auto;min-width:0}.switch{-moz-appearance:none;appearance:none;-webkit-appearance:none;flex:0 0 auto;margin:0 0 0 auto;width:42px;height:24px;border-radius:var(--radius-full);background:var(--border);position:relative;cursor:pointer;transition:background .15s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:var(--radius-full);background:var(--white);transition:transform .15s}.switch:checked{background:var(--accent)}.switch:checked:after{transform:translate(18px)}.switch:disabled{opacity:.5;cursor:not-allowed}.control.row select{margin-left:auto;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:4px 6px}.ghost{padding:8px 12px;font-size:var(--fs-base);border:1px solid var(--border);border-radius:var(--radius-sm);background:transparent;color:var(--text);cursor:pointer}.actions{display:flex;gap:8px}.panel-actions{margin-top:auto}.actions button{flex:1;padding:10px;border:none;border-radius:var(--radius-sm);font-size:var(--fs-md);font-weight:600;cursor:pointer}.export{background:var(--accent);color:var(--white)}.reset{background:var(--border);color:var(--text);flex:0 0 auto;padding:10px 16px}.actions button:disabled{background:var(--border);color:var(--muted);cursor:not-allowed}.bottombar{display:none}.preview{position:relative;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto}.preview .dropzone{width:100%;max-width:560px;min-height:220px;display:flex;align-items:center;justify-content:center}.canvas-wrap{position:relative;max-width:100%;max-height:calc(100vh - 160px);border-radius:var(--radius-sm);box-shadow:0 8px 40px #00000080}.canvas-wrap canvas.gl{display:block;max-width:100%;max-height:calc(100vh - 160px);border-radius:var(--radius-sm)}.canvas-wrap canvas.overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border-radius:var(--radius-sm);pointer-events:none}.canvas-wrap canvas.overlay.active{pointer-events:auto;cursor:crosshair;touch-action:none}.stage{position:relative;display:inline-block;max-width:100%}.palette{position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%);z-index:8;display:flex;flex-direction:column;gap:6px;padding:6px;max-width:calc(100% - 16px);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--panel-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 6px 24px #0006}.zoom-controls{position:absolute;right:16px;bottom:16px;z-index:8;display:flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--panel-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 6px 24px #0006}.zoom-btn{display:flex;align-items:center;justify-content:center;height:32px;min-width:32px;padding:0 6px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--text);font-size:var(--fs-sm);cursor:pointer}.zoom-btn:hover{background:#ffffff14}.zoom-pct{min-width:48px;font-variant-numeric:tabular-nums}.palette-row{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;justify-content:center}.palette-row.options{border-top:1px solid var(--border);padding-top:6px}.palette .picon{position:relative;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--text);cursor:pointer;flex:0 0 auto}.palette .picon:hover{background:#ffffff14}.palette .picon.on{background:var(--surface-active);border-color:var(--accent);color:var(--white)}.palette .picon.on.sharp{border-color:var(--ok);color:var(--sharp-text)}.palette .picon.on.blur{border-color:var(--blur);color:var(--blur-text)}.palette .options input[type=range]{width:150px;max-width:48vw;accent-color:var(--accent)}.palette-hint{font-size:var(--fs-sm);color:var(--muted);padding:0 6px;white-space:nowrap}.sel-confirm{position:absolute;z-index:12;transform:translate(-50%,calc(-100% - 12px));display:flex;gap:6px;padding:6px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--panel-glass);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 6px 24px #00000080}.sel-btn{padding:7px 12px;font-size:var(--fs-base);font-weight:600;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);cursor:pointer;white-space:nowrap}.sel-btn.blur{border-color:var(--blur);color:var(--blur-text)}.sel-btn.sharp{border-color:var(--ok);color:var(--sharp-text)}.sel-btn.cancel{display:flex;align-items:center;padding:7px 9px}.palette .picon[data-tip]:hover:after{content:attr(data-tip);position:absolute;bottom:calc(100% + 7px);left:50%;transform:translate(-50%);padding:3px 8px;font-size:var(--fs-xs);white-space:nowrap;color:var(--white);background:var(--black);border-radius:var(--radius-sm);pointer-events:none;z-index:20}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:30}@media (max-width: 720px){.app{display:block;height:auto;min-height:100vh}.topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:20;margin:var(--panel-inset) var(--panel-inset) 0;height:var(--topbar-h);padding:0 var(--panel-pad);background:var(--panel-glass);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border-radius:var(--radius-full)}.topbar-title{font-size:var(--fs-lg);font-weight:600}.topbar .hamburger{border:none;background:transparent;border-radius:0;color:var(--accent)}.panel{position:fixed;top:0;left:0;bottom:0;width:min(86vw,340px);z-index:40;transform:translate(-100%);transition:transform .25s ease}.panel.open{transform:translate(0)}.drawer-close{display:flex}.panel-actions,.panel .controls{display:none}.preview{min-height:calc(100vh - var(--topbar-h) - var(--panel-inset));padding:calc(var(--topbar-h) + var(--panel-inset) + 64px) 12px calc(var(--bottombar-h) + var(--sheet-h-collapsed) + var(--safe-bottom) + 16px)}.canvas-wrap,.canvas-wrap canvas.gl{max-height:calc(100vh - var(--topbar-h) - var(--panel-inset) - var(--bottombar-h) - var(--sheet-h-collapsed) - 80px)}.palette{position:fixed;top:calc(var(--topbar-h) + var(--panel-inset) + 8px);bottom:auto;z-index:26}.zoom-controls{display:none}.sheet{position:fixed;left:var(--panel-inset);right:var(--panel-inset);bottom:calc(var(--bottombar-h) + var(--panel-inset));z-index:24;display:flex;flex-direction:column;height:var(--sheet-h-collapsed);padding:0 var(--panel-pad);background:var(--panel-glass);-webkit-backdrop-filter:blur(var(--panel-blur));backdrop-filter:blur(var(--panel-blur));border-radius:var(--radius-lg);transition:height .25s ease;overflow:hidden}.sheet.expanded{height:var(--sheet-h-expanded)}.sheet.disabled{opacity:.45;pointer-events:none}.sheet-handle{display:flex;justify-content:center;padding:8px 0 4px;cursor:pointer;flex:0 0 auto;user-select:none;-webkit-user-select:none}.sheet-handle-bar{width:36px;height:4px;border-radius:var(--radius-full);background:var(--muted);flex:0 0 auto}.sheet-collapsed{flex:1;display:flex;flex-direction:column;padding-bottom:var(--panel-pad)}.sheet-expanded{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--panel-pad) + var(--safe-bottom))}.sheet-mode-row{display:flex;flex-direction:column;gap:6px}.sheet-mode-row .control-label-text{font-size:var(--fs-sm);color:var(--muted)}.mode-segments{display:flex;gap:6px;width:100%}.mode-seg{flex:1;padding:9px 0;font-size:var(--fs-base);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg);color:var(--text);cursor:pointer;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mode-seg.on{background:var(--surface-active);border-color:var(--accent);color:var(--white)}.bottombar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:25;height:calc(var(--bottombar-h) + var(--safe-bottom));padding:8px 12px calc(8px + var(--safe-bottom));gap:10px;background:var(--panel);border-top:1px solid var(--border)}.bb-btn{flex:1;display:flex;align-items:center;justify-content:center;height:100%;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg);color:var(--text);cursor:pointer}.bb-btn:active{background:var(--surface)}.bb-btn.export{background:var(--accent);border-color:var(--accent);color:var(--white)}.bb-btn:disabled{opacity:.4;cursor:not-allowed}}.panel-foot{margin-top:14px;font-size:var(--fs-sm)}.panel-foot a{color:var(--muted);text-decoration:none}.panel-foot a:hover{color:var(--text);text-decoration:underline}.iap{display:flex;flex-direction:column;gap:6px;margin-top:12px}.iap .link{background:none;border:none;color:var(--muted);font-size:var(--fs-base);cursor:pointer;padding:2px;text-decoration:underline}.iap .link:disabled{opacity:.5;cursor:not-allowed}.iap-done{color:var(--accent);font-size:var(--fs-base);margin:4px 0 0}.iap-msg{color:var(--muted);font-size:var(--fs-sm);margin:2px 0 0}.dtype-toggle{display:flex;flex-direction:column;gap:6px;margin-top:14px}.dtype-head{display:flex;justify-content:space-between;align-items:center}.dtype-readout{color:var(--muted);font-style:normal;font-size:var(--fs-sm);font-variant-numeric:tabular-nums}.seg{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.seg button{flex:1;padding:7px 8px;background:var(--bg);color:var(--muted);border:none;border-right:1px solid var(--border);font-size:var(--fs-base);cursor:pointer}.seg button:last-child{border-right:none}.seg button.on{background:var(--accent);color:var(--white)}.seg button:disabled{opacity:.45;cursor:not-allowed}