:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:#f8f1e5;background:#10191d}
*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer}
.app,.immersive,.scene-shell{width:100%;height:100%;min-height:100vh;min-height:100dvh}
.app{overflow:hidden}.immersive{position:relative}.scene-shell{position:relative;isolation:isolate;overflow:hidden;background:#152732}
.scene{position:absolute;width:1536px;height:1024px;left:50%;top:50%;transform:translate(-50%,-50%) scale(var(--scene-scale,1));transform-origin:center center;overflow:hidden}
.room{display:block;width:100%;height:100%;pointer-events:none;user-select:none}
#world,#sky-filter{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
#sky-filter{mix-blend-mode:multiply;transition:background 3s}
.cat-hotspot{position:absolute;left:85%;top:64%;width:15%;height:15%;border:0;background:transparent;cursor:pointer}
.cat-message{position:absolute;left:82%;top:59%;padding:7px 13px;font:italic 17px Georgia,serif;background:#fff5d9e6;color:#675448;border-radius:16px 16px 4px 16px;opacity:0;transform:translateY(9px);transition:.35s;pointer-events:none}.cat-message.show{opacity:1;transform:translateY(0)}
.shade{position:absolute;inset:0;pointer-events:none}.shade-left{background:linear-gradient(90deg,rgba(5,17,21,.72) 0%,rgba(5,17,21,.51) 20%,rgba(5,17,21,.18) 37%,transparent 59%)}.shade-bottom{background:linear-gradient(0deg,rgba(8,17,18,.72) 0%,rgba(8,17,18,.25) 12%,transparent 32%)}
.topbar{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:clamp(17px,2.5vw,36px) clamp(22px,3.7vw,68px);z-index:2}
.brand{display:flex;align-items:center;gap:10px}.brand-icon{font-size:30px;color:#e7c990}.brand strong{font:600 18px Georgia,serif}.brand small{display:block;color:#e0ddd2b0;font-size:10px;letter-spacing:1.4px;margin-top:3px}.header-right{display:flex;gap:12px;align-items:center;color:#ebe5d6c9;letter-spacing:1.8px;font-size:10px}.live-dot{width:7px;height:7px;border-radius:50%;background:#9cdeb1;box-shadow:0 0 13px #9cdeb1}
#fullscreen{margin-left:16px;background:#17292e4d;color:#fff;border:1px solid #ffffff5c;border-radius:12px;padding:8px 12px;font-size:21px;backdrop-filter:blur(8px)}
.hero-copy{position:absolute;z-index:2;left:clamp(28px,4.2vw,88px);top:27%;max-width:430px;pointer-events:none;text-shadow:0 2px 12px #10161760}
.eyebrow{font-size:clamp(9px,.7vw,12px);letter-spacing:2.3px;color:#e8cc91;font-weight:700}.hero-copy h1{font:normal clamp(36px,4vw,76px)/.98 Georgia,'Times New Roman',serif;letter-spacing:-2.5px;margin:16px 0 22px}.hero-copy h1 em{font-weight:400;color:#f0d7a7}.hero-desc{font-size:clamp(11px,.9vw,14px);color:#f4f0e2d6}
.scene-hint{position:absolute;z-index:2;left:clamp(20px,3.6vw,64px);bottom:105px;font-size:12px;color:#fff5dfb8;text-shadow:0 2px 10px #000}
.status{position:absolute;right:clamp(20px,3.6vw,64px);bottom:105px;font-size:11px;color:#fff5dfb8;text-shadow:0 2px 10px #000}
.bottom-bar{position:absolute;bottom:0;left:0;right:0;min-height:86px;padding:14px clamp(18px,3vw,48px) 18px;display:flex;align-items:flex-end;justify-content:space-between;gap:18px;z-index:3}
.volume-shortcut{display:flex;align-items:center;gap:10px;min-width:210px;max-width:225px;font-size:10px;letter-spacing:1.1px;color:#e7e3d6;white-space:nowrap}.volume-shortcut input{width:100px;accent-color:#f0d19e}.volume-shortcut output{min-width:30px;letter-spacing:0}
.controls{display:flex;justify-content:center;align-items:center;gap:3px;border:1px solid #ffffff3b;border-radius:20px;padding:6px;background:rgba(16,31,36,.73);backdrop-filter:blur(18px);box-shadow:0 9px 32px #0008;max-width:min(920px,100%);overflow-x:auto;scrollbar-width:thin}
.controls button{flex:0 0 auto;min-height:53px;min-width:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#f6edde;background:transparent;border:0;border-radius:12px;padding:5px 10px;font-size:10px;white-space:nowrap;transition:background .2s}.controls button:hover{background:#ffffff26}.controls button>span:first-child{font-size:18px;color:#edcc8e}.corner-note{font-size:10px;white-space:nowrap;color:#f9f3ddad;min-width:185px;text-align:right}
.settings-panel{position:fixed;z-index:20;top:18px;right:18px;width:min(330px,calc(100vw - 36px));max-height:calc(100dvh - 36px);overflow-y:auto;transform:translateX(calc(100% + 30px));transition:transform .3s ease;border:1px solid #ffffff45;border-radius:18px;padding:23px 25px;background:rgba(23,39,43,.94);backdrop-filter:blur(24px);box-shadow:0 18px 65px #0008}.settings-panel.open{transform:translateX(0)}.settings-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.settings-heading strong{font:20px Georgia,serif}.settings-heading button{border:0;background:transparent;font-size:27px;color:white}.settings-panel label{display:block;font-size:13px;margin:15px 0;color:#e2e5e0}.settings-panel output{float:right;color:#eacb95}.settings-panel input{display:block;width:100%;margin-top:10px;accent-color:#e9c68b}.settings-panel p{font-size:11px;line-height:1.7;color:#cad0cbb9}.audio-mixer{padding-top:14px;margin-top:18px;border-top:1px solid #ffffff35}.audio-mixer>strong{font:18px Georgia,serif}
@media(max-width:1250px){.corner-note{display:none}.volume-shortcut{min-width:160px}.controls{max-width:calc(100vw - 260px)}.controls button{padding:5px 8px}}
@media(max-width:820px){.hero-copy{top:23%}.hero-copy h1{font-size:clamp(32px,6vw,54px)}.volume-shortcut{display:none}.controls{max-width:100%;width:100%;justify-content:flex-start}.bottom-bar{padding:10px 13px 14px}.scene-hint,.status{bottom:105px}.status{display:none}.header-right>span:not(.live-dot){display:none}}
@media(max-width:520px){.hero-copy{left:20px;top:20%;max-width:240px}.hero-copy h1{font-size:38px;letter-spacing:-1.6px}.hero-desc{font-size:11px}.topbar{padding:17px 18px}.brand strong{font-size:15px}.brand small{font-size:8px}.scene-hint{left:18px;bottom:96px;font-size:10px}.controls button{min-width:56px;font-size:9px}.controls button>span:first-child{font-size:16px}.controls{min-height:61px}.bottom-bar{min-height:78px}}

.hero-copy{transition:opacity .45s ease, transform .45s ease}.hero-copy.hidden{opacity:0;transform:translateY(14px);pointer-events:none}
.cat-hotspot::before{content:"🖐";position:absolute;left:58%;top:38%;transform:translate(-50%,-50%) scale(.92);font-size:34px;opacity:0;background:rgba(255,245,220,.18);border:1px solid rgba(255,255,255,.36);width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);transition:opacity .22s ease,transform .22s ease}
.cat-hotspot:hover::before,.cat-hotspot:focus-visible::before{opacity:1;transform:translate(-50%,-50%) scale(1)}
.scene.top-view-active .scene-hint{opacity:.6}