:root{--bg: #000000;--fg: #c4b5a0;--muted: #8a7a65}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--fg);overscroll-behavior:none}.app-root{position:relative;width:100%;height:100%}.scene-container{position:relative;width:100%;height:100%;transition:opacity 1.2s ease-out,transform 1.2s ease-out}.scene-container.is-loading{opacity:0;pointer-events:none}.scene-container.loaded{opacity:1}.scene-container.fade-out{opacity:0;transform:scale(1.2);pointer-events:none}canvas{position:fixed;top:0;right:0;bottom:0;left:0}.hud{position:relative;z-index:1;padding:24px}.hud h1{font-weight:700;letter-spacing:.4px}.hud p{margin-top:8px;color:var(--muted)}.hud p.hint{margin-top:16px;font-size:14px;opacity:.7;animation:hintPulse 2s ease-in-out infinite}@keyframes hintPulse{0%,to{opacity:.5}50%{opacity:.9}}.cli-loader{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:flex-start;justify-content:flex-start;background:#040804a6;z-index:999;transition:opacity .6s ease,visibility .6s ease;font-family:Courier New,Courier,monospace;color:#9ffdcb}.cli-loader--complete{opacity:0;visibility:hidden;pointer-events:none}.cli-loader__content{padding:48px 64px}.cli-loader__text{white-space:pre;font-size:16px;line-height:1.6;max-width:520px}.instruction-popup{position:fixed;bottom:32px;left:32px;z-index:10;pointer-events:none;animation:fadeInSlideUp 1s ease-out .5s both}.instruction-popup__text{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial;font-size:18px;font-weight:600;color:#9ffdcb;text-shadow:0 2px 8px rgba(0,0,0,.6);margin-bottom:6px;letter-spacing:.3px}.instruction-popup__subtitle{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial;font-size:14px;font-weight:400;color:#6fcdab;text-shadow:0 2px 8px rgba(0,0,0,.6);letter-spacing:.2px}@keyframes fadeInSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}