:root{color-scheme:light dark;--paper: #fff;--ink: #111;--handwriting: #7ae1f7;--coto-yellow: #ffcc00}@media (prefers-color-scheme: dark){:root{--paper: #fff;--ink: #111;--handwriting: #7ae1f7;--coto-yellow: #ffcc00}}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;overscroll-behavior:none;background:var(--paper);font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.canvas-host{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:var(--paper);touch-action:none}.layer{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform;pointer-events:none}.layer.overview{display:none}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none}.overlay>*{pointer-events:auto}.toast{position:absolute;left:50%;bottom:calc(76px + env(safe-area-inset-bottom));transform:translate(-50%);background:var(--coto-yellow);color:var(--ink);border-radius:16px;font-size:14px;line-height:1.3;padding:10px 16px;max-width:calc(100vw - 32px);text-align:center;pointer-events:none;transition:opacity .3s ease,transform .3s ease}.toast.gone{opacity:0;transform:translate(-50%) translateY(8px)}.status{position:absolute;top:max(14px,env(safe-area-inset-top));left:14px;font-size:12px;opacity:0;transition:opacity .2s ease;pointer-events:none}.status.visible{opacity:.55}.idle-note{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(78vw,340px);max-height:min(72vh,620px);height:auto;object-fit:contain;pointer-events:none}.tools{position:absolute;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));display:flex;align-items:flex-end;gap:12px}.picker{display:flex;flex-direction:column;align-items:center;gap:10px}.swatch,.tool{width:44px;height:44px;border-radius:50%;border:0;padding:0;touch-action:manipulation}.tool{display:flex;align-items:center;justify-content:center;background:var(--paper);border:1px solid var(--ink);color:var(--ink);transition:opacity .15s ease}.tool svg{width:22px;height:22px}.tool:disabled{opacity:.3}.tool.on{background:var(--ink);color:var(--paper)}.picker-list{display:none;flex-direction:column;gap:8px;padding:8px;background:var(--paper);border:1px solid var(--ink)}.picker.open .picker-list{display:flex}.picker-dot{width:30px;height:30px;border-radius:50%;border:0;padding:0;touch-action:manipulation}.peer-dot{position:absolute;top:0;left:0;width:14px;height:14px;margin:-7px 0 0 -7px;border-radius:50%;border:2px solid rgba(255,255,255,.85);opacity:.85;will-change:transform;pointer-events:none}.peer-arrow{position:absolute;top:0;left:0;width:0;height:0;margin:-6px 0 0 -10px;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:20px solid #000;will-change:transform,opacity;pointer-events:none}.desktop{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:28px;padding:32px;text-align:center}.desktop-logo{height:24px;opacity:.5}.desktop-message{width:min(520px,76vw);height:auto}.desktop-qr{width:220px;height:220px;padding:12px;background:#fff;border:1px solid rgba(17,17,17,.12)}.desktop-url{margin:0;font-size:14px;opacity:.55}@media (max-height: 560px){.desktop{gap:20px}.desktop-logo{display:none}.desktop-message{width:min(380px,70vw)}}