:root{--ui-bg: rgba(20, 24, 31, .72);--ui-bg-solid: rgba(28, 32, 40, .96);--ui-border: rgba(255, 255, 255, .14);--ui-text: #f3f5f8;--ui-text-dim: #aab2bd;--ui-accent: #4c8dff;--ui-shadow: 0 8px 30px rgba(0, 0, 0, .28);--ui-radius: 14px}*{box-sizing:border-box}.app{position:absolute;inset:0;overflow:hidden}.app canvas{display:block;touch-action:none}.brand{position:absolute;top:14px;left:16px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--ui-text);background:var(--ui-bg);backdrop-filter:blur(8px);padding:6px 12px;border-radius:999px;border:1px solid var(--ui-border);box-shadow:var(--ui-shadow);user-select:none;pointer-events:none}.hint{position:absolute;top:16px;left:50%;transform:translate(-50%);font-size:12.5px;color:var(--ui-text);background:var(--ui-bg);backdrop-filter:blur(8px);padding:7px 14px;border-radius:999px;border:1px solid var(--ui-border);box-shadow:var(--ui-shadow);pointer-events:none;animation:fadeIn .4s ease}.dock{position:absolute;bottom:18px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;padding:8px;background:var(--ui-bg);backdrop-filter:blur(12px);border:1px solid var(--ui-border);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow);max-width:calc(100vw - 24px);flex-wrap:wrap;justify-content:center}.dock__fab{position:absolute;bottom:18px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:6px;padding:9px 16px;background:var(--ui-bg);backdrop-filter:blur(12px);border:1px solid var(--ui-border);border-radius:999px;box-shadow:var(--ui-shadow);color:var(--ui-text);font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,transform .05s ease}.dock__fab:hover{background:var(--ui-bg-solid)}.dock__fab:active{transform:translate(-50%) translateY(1px)}.dock__group{display:flex;gap:4px}.dock__divider{width:1px;align-self:stretch;background:var(--ui-border);margin:2px 4px}.btn{appearance:none;border:1px solid transparent;background:#ffffff14;color:var(--ui-text);font:inherit;font-size:13px;font-weight:500;padding:8px 14px;border-radius:10px;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .05s ease;white-space:nowrap}.btn:hover{background:#ffffff29}.btn:active{transform:translateY(1px)}.btn--icon{min-width:40px}.btn--active{background:var(--ui-accent);border-color:var(--ui-accent)}.btn--wide{width:100%;margin-top:8px}.dock__select{appearance:none;border:1px solid transparent;background:#ffffff14;color:var(--ui-text);font:inherit;font-size:13px;font-weight:500;padding:8px 28px 8px 12px;border-radius:10px;cursor:pointer;transition:background .15s ease;background-image:linear-gradient(45deg,transparent 50%,var(--ui-text-dim) 50%),linear-gradient(135deg,var(--ui-text-dim) 50%,transparent 50%);background-position:calc(100% - 16px) 50%,calc(100% - 11px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat}.dock__select:hover{background-color:#ffffff29}.dock__select option{color:#111}.overlay{position:absolute;inset:0;pointer-events:none}.overlay--center{display:flex;align-items:center;justify-content:center}.loader{display:flex;flex-direction:column;align-items:center;gap:14px;color:#2a2f37}.loader__spinner{width:42px;height:42px;border-radius:50%;border:3px solid rgba(0,0,0,.12);border-top-color:var(--ui-accent);animation:spin .9s linear infinite}.loader__label{font-size:14px;font-weight:500}.error-card{pointer-events:auto;max-width:360px;text-align:center;background:var(--ui-bg-solid);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow);padding:20px 22px}.error-card__title{font-weight:600;margin-bottom:8px}.error-card__detail{font-size:13px;color:var(--ui-text-dim);word-break:break-word}.fallback2d{flex-direction:column;gap:16px;padding:24px}.fallback2d__frame{max-width:min(90vw,720px);max-height:70vh;box-shadow:0 20px 50px #0000004d;border-radius:4px;overflow:hidden}.fallback2d__img{display:block;width:100%;height:100%;object-fit:contain}.fallback2d__note{font-size:13px;color:#4a505a}.panel{position:absolute;top:14px;right:14px;width:264px;max-height:calc(100vh - 28px);overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding:16px;background:var(--ui-bg-solid);backdrop-filter:blur(12px);border:1px solid var(--ui-border);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow);color:var(--ui-text)}.panel__title{font-weight:600;font-size:14px}.panel__subtitle{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ui-text-dim);margin-top:4px}.field{display:flex;flex-direction:column;gap:5px}.field__label{font-size:12.5px;color:var(--ui-text-dim)}.field__input{font:inherit;font-size:13px;color:var(--ui-text);background:#ffffff0f;border:1px solid var(--ui-border);border-radius:8px;padding:7px 9px}.field__input option,.field__input optgroup{color:#111}.slider{display:grid;grid-template-columns:64px 1fr;align-items:center;gap:10px}.slider__label{font-size:12.5px;color:var(--ui-text-dim)}.slider__input{width:100%;accent-color:var(--ui-accent)}.help{pointer-events:auto;background:#00000059}.help__card{background:var(--ui-bg-solid);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow);padding:22px 24px;min-width:260px}.help__title{font-weight:600;margin-bottom:14px}.help__list{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:9px;font-size:13px}.help__list li{display:flex;align-items:center;gap:8px;color:var(--ui-text-dim)}kbd{font:inherit;font-size:11px;background:#ffffff1a;border:1px solid var(--ui-border);border-bottom-width:2px;border-radius:5px;padding:2px 7px;color:var(--ui-text);min-width:22px;text-align:center}.qr{pointer-events:auto;background:#0006;z-index:20}.qr__card{background:var(--ui-bg-solid);color:var(--ui-text);border:1px solid var(--ui-border);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow);padding:24px;width:320px;max-width:calc(100vw - 32px);text-align:center}.qr__title{font-size:16px;font-weight:600}.qr__sub{font-size:12.5px;color:var(--ui-text-dim);margin:6px 0 16px}.qr__code{display:flex;align-items:center;justify-content:center;width:256px;height:256px;margin:0 auto;background:#fff;border-radius:8px}.qr__code img{display:block}.qr__err{color:var(--ui-text-dim);font-size:13px}.qr__link{display:block;margin:14px 0 4px;font-size:11.5px;color:var(--ui-accent);word-break:break-all;text-decoration:none}.ar-overlay{position:absolute;inset:0;z-index:20;display:flex;flex-direction:column;background:#eef1f5}.ar-overlay__bar{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--ui-bg-solid);color:var(--ui-text);border-bottom:1px solid var(--ui-border)}.ar-overlay__title{font-size:14px;font-weight:600}.ar-overlay__stage{position:relative;flex:1;min-height:0}.ar-overlay__msg{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#2a2f37;font-size:14px;pointer-events:none}.ar-overlay__err{max-width:320px;margin:0 18px;font-size:12px;line-height:1.4;color:#b23b3b;text-align:center;word-break:break-word;user-select:text}.ar-overlay__hint{position:absolute;bottom:16px;left:50%;transform:translate(-50%);font-size:12.5px;color:#4a505a;background:#fffc;padding:6px 12px;border-radius:999px;pointer-events:none}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}