:root{--c-primary:#1f6fa8;--c-primaryText:#fff;--c-surface:#0f2a3d;--c-surfaceText:#fff;--c-accent:#d9bf92;--c-panel:#fff;--c-panelText:#13212c;--font:system-ui, -apple-system, "Segoe UI", sans-serif;--radius:14px;--ease-out:cubic-bezier(.23, 1, .32, 1)}*{box-sizing:border-box}html,body{background:var(--c-surface);height:100%;color:var(--c-surfaceText);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:16px}#app,.sim{height:100%}.sim{flex-direction:column;display:flex}.stage{touch-action:none;-webkit-user-select:none;user-select:none;flex:1;min-height:0;position:relative;overflow:hidden}canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.loading{opacity:.8;place-items:center;font-size:1.05rem;display:grid;position:absolute;inset:0}.divider{cursor:ew-resize;touch-action:none;z-index:2;outline:none;width:48px;margin-left:-24px;position:absolute;top:0;bottom:0;left:50%}.divider-line{background:#fff;width:3px;margin-left:-1.5px;position:absolute;top:0;bottom:0;left:50%;box-shadow:0 0 0 1px #0003}.divider-knob{width:48px;height:48px;color:var(--c-surface);transition:transform .16s var(--ease-out);background:#fff;border-radius:999px;place-items:center;margin:-24px 0 0 -24px;display:grid;position:absolute;top:50%;left:50%;box-shadow:0 6px 20px #0000004d}.divider:active .divider-knob{transform:scale(.95)}.divider:focus-visible .divider-knob{box-shadow:0 0 0 4px var(--c-accent), 0 6px 20px #0000004d}.picker{z-index:3;justify-content:center;padding:0 8px;display:flex;position:absolute;bottom:16px}.picker.left{left:0}.picker.right{right:0}.pick-btn{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;max-width:100%;min-height:48px;font:600 1rem/1.1 var(--font);cursor:pointer;transition:transform .14s var(--ease-out);background:#0f2a3de0;border:0;border-radius:999px;align-items:center;gap:8px;padding:0 18px;display:inline-flex}.pick-btn span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pick-btn:active{transform:scale(.97)}.pick-btn:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px}.menu{background:var(--c-panel);min-width:min(280px,90vw);color:var(--c-panelText);border-radius:var(--radius);transform-origin:bottom;animation:pop .18s var(--ease-out);margin:0;padding:6px;list-style:none;position:absolute;bottom:60px;box-shadow:0 16px 40px #00000059}.picker.left .menu{left:8px}.picker.right .menu{right:8px}.menu li{border-radius:calc(var(--radius) - 6px);cursor:pointer;align-items:center;min-height:48px;padding:0 14px;font-size:1rem;display:flex}.menu li[aria-selected=true]{background:var(--c-primary);color:var(--c-primaryText);font-weight:600}.menu li:focus-visible,.menu li:hover{outline:2px solid var(--c-primary);outline-offset:-2px}@keyframes pop{0%{opacity:0;transform:scale(.96)}}.legal{padding:10px 16px calc(10px + env(safe-area-inset-bottom));text-align:center;background:var(--c-surface);color:#ffffffd9;font-size:.875rem;line-height:1.4}@media (prefers-reduced-motion:reduce){.menu{animation-duration:1ms}}.toolbar{pointer-events:none;z-index:4;flex-wrap:wrap;justify-content:center;gap:8px;display:flex;position:absolute;top:12px;left:12px;right:12px}.toolbar>*{pointer-events:auto}.seg,.zoom{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f2a3de0;border-radius:999px;padding:3px;display:inline-flex}.seg button,.tool{color:#fff;min-width:44px;min-height:44px;font:600 1rem/1 var(--font);cursor:pointer;transition:background-color .16s var(--ease-out), transform .14s var(--ease-out);background:0 0;border:0;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:0 14px;display:inline-flex}.tool{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f2a3de0}.zoom .tool{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;padding:0}.seg button[aria-checked=true],.tool[aria-pressed=true],.tool.active{background:var(--c-primary);color:var(--c-primaryText)}.seg button:active,.tool:active{transform:scale(.97)}.seg button:focus-visible,.tool:focus-visible,.hot:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px}@media (width<=560px){.toolbar .tool span,.toolbar .seg span{font-size:.95rem}.toolbar [data-astig] span{display:none}}.menu ul{margin:0;padding:0;list-style:none}.toric{cursor:pointer;border-top:1px solid #0000001a;align-items:flex-start;gap:10px;margin-top:6px;padding:12px 14px;display:flex}.toric input{width:22px;height:22px;accent-color:var(--c-primary);margin:2px 0 0}.toric span{flex-direction:column;display:flex}.toric small{opacity:.75;font-size:.875rem}.hotspots{pointer-events:none;z-index:3;position:absolute;inset:0}.hot{background:var(--c-primary);color:#fff;pointer-events:auto;cursor:pointer;width:44px;height:44px;animation:pop .2s var(--ease-out);transition:transform .14s var(--ease-out);border:3px solid #fff;border-radius:999px;place-items:center;margin:-22px 0 0 -22px;display:grid;position:absolute;box-shadow:0 6px 18px #00000059}.hot:active{transform:scale(.95)}.bubble{z-index:6;border-radius:var(--radius);background:var(--c-panel);color:var(--c-panelText);animation:pop .18s var(--ease-out);padding:14px 16px;position:absolute;box-shadow:0 16px 40px #00000059}.bubble strong{color:var(--c-primary);font-size:.9rem;display:block}.bubble p{margin:6px 0 0;font-size:1rem;line-height:1.45}.intro{z-index:10;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:opacity .2s var(--ease-out);background:#0f2a3dd1;place-items:center;padding:20px;display:grid;position:absolute;inset:0}.intro.leaving{opacity:0}.intro-card{border-radius:calc(var(--radius) + 6px);background:var(--c-panel);max-width:520px;color:var(--c-panelText);padding:28px 24px;box-shadow:0 24px 60px #0006}.intro-kicker{letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);margin:0;font-size:.8rem;font-weight:700}.intro h1{margin:10px 0 12px;font-size:clamp(1.5rem,1.1rem + 2vw,2rem);line-height:1.15}.intro p{margin:0;font-size:1.05rem;line-height:1.5}.primary{background:var(--c-primary);min-height:52px;color:var(--c-primaryText);font:700 1.05rem/1 var(--font);cursor:pointer;transition:transform .14s var(--ease-out);border:0;border-radius:999px;margin-top:22px;padding:0 26px}.primary:active{transform:scale(.97)}.primary:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px}.intro-legal{opacity:.7;margin-top:18px!important;font-size:.875rem!important}.sim{position:relative}.modal{border-radius:calc(var(--radius) + 4px);background:var(--c-panel);width:min(460px,100vw - 32px);color:var(--c-panelText);font-family:var(--font);border:0;padding:24px;box-shadow:0 24px 60px #0006}.modal::backdrop{background:#0f2a3d99}.modal[open]{animation:pop .22s var(--ease-out)}.modal h2{margin:0 0 8px;font-size:1.35rem}.modal p{margin:0 0 16px;line-height:1.5}.radios{gap:8px;display:grid}.radios label{border-radius:var(--radius);cursor:pointer;border:2px solid #0000001f;align-items:center;gap:12px;min-height:48px;padding:0 14px;font-size:1.05rem;display:flex}.radios label:has(input:checked){border-color:var(--c-primary);background:color-mix(in srgb, var(--c-primary) 8%, transparent)}.radios input{width:20px;height:20px;accent-color:var(--c-primary)}.calib{z-index:8;border-radius:var(--radius);background:var(--c-panel);width:min(320px,100% - 24px);max-height:calc(100% - 150px);color:var(--c-panelText);padding:14px;font-size:.9rem;position:absolute;top:70px;right:12px;overflow:auto;box-shadow:0 16px 40px #00000059}.calib h2{margin:0 0 8px;font-size:1.1rem}.calib-row{grid-template-columns:1fr 44px;align-items:center;gap:2px 8px;margin:8px 0;display:grid}.calib-row span{grid-column:1/-1}.calib-row select{min-height:40px;font:inherit;grid-column:1/-1}.calib-row output{text-align:right;font-variant-numeric:tabular-nums}.calib-actions{gap:8px;margin-top:10px;display:flex}.calib-actions button{background:var(--c-primary);min-height:44px;color:var(--c-primaryText);font:600 .9rem var(--font);cursor:pointer;border:0;border-radius:10px;flex:1}.loading{z-index:5;background:var(--c-surface)}.loading[hidden]{display:none}@media (prefers-reduced-motion:reduce){.hot,.bubble,.modal[open]{animation-duration:1ms}}