:root{--wood-dark: #2A2118;--wood: #3B2A1E;--wood-light: #5C4033;--lamp: #FFD9A0;--lamp-dim: #8A6E4B;--reading: #2E5A3C;--paper: #E8DCC8;--ink: #1A1410;--error: #C0392B;--serif-cjk: "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;--sans-cjk: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;overflow:hidden}body{font-family:var(--sans-cjk);background:var(--wood-dark);color:var(--paper);-webkit-font-smoothing:antialiased}button{font-family:inherit;font-size:15px;padding:10px 22px;border:1px solid var(--lamp-dim);border-radius:3px;background:transparent;color:var(--lamp);cursor:pointer;transition:background .15s,color .15s}button:hover:not(:disabled){background:var(--lamp);color:var(--ink)}button:disabled{opacity:.4;cursor:not-allowed}input{font-family:inherit;font-size:15px;padding:10px 12px;border:1px solid var(--lamp-dim);border-radius:3px;background:#0000004d;color:var(--paper);width:100%;outline:none}input:focus{border-color:var(--lamp)}input::placeholder{color:#e8dcc84d}.login-page{height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 30%,rgba(255,217,160,.1),transparent 60%),var(--wood-dark)}.login-card{width:380px;padding:44px 40px;background:#2a2118e6;border:1px solid var(--lamp-dim);border-radius:4px;box-shadow:0 20px 60px #0009}.login-card h1{font-family:var(--serif-cjk);font-size:26px;font-weight:400;letter-spacing:.3em;text-align:center;margin:0 0 6px;color:var(--lamp)}.login-card .subtitle{text-align:center;font-size:13px;color:#e8dcc873;margin-bottom:32px;letter-spacing:.1em}.field{margin-bottom:18px}.field label{display:block;font-size:13px;color:#e8dcc899;margin-bottom:6px}.login-card button[type=submit]{width:100%;margin-top:10px;padding:12px;font-size:16px;letter-spacing:.2em}.form-error{color:var(--error);font-size:13px;margin-bottom:14px;min-height:18px;text-align:center}.switch-mode{text-align:center;margin-top:22px;font-size:13px;color:#e8dcc873}.switch-mode a{color:var(--lamp);cursor:pointer;text-decoration:none;border-bottom:1px solid rgba(255,217,160,.3)}.scene-wrap{position:relative;width:100%;height:100%}.scene-wrap canvas{display:block}.crosshair{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);pointer-events:none;opacity:.55}.crosshair:before,.crosshair:after{content:"";position:absolute;background:var(--paper)}.crosshair:before{width:2px;height:12px;left:-1px;top:-6px}.crosshair:after{width:12px;height:2px;left:-6px;top:-1px}.prompt{position:absolute;left:50%;bottom:22%;transform:translate(-50%);padding:10px 20px;background:#1a1410d9;border:1px solid var(--lamp-dim);border-radius:3px;font-size:15px;letter-spacing:.05em;pointer-events:none;white-space:nowrap}.prompt kbd{display:inline-block;padding:1px 7px;margin:0 3px;background:var(--lamp);color:var(--ink);border-radius:2px;font-family:inherit;font-weight:600}.enter-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#1a1410bf;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);cursor:pointer;text-align:center}.enter-hint h2{font-family:var(--serif-cjk);font-size:22px;font-weight:400;letter-spacing:.25em;margin:0 0 14px;color:var(--lamp)}.enter-hint p{margin:4px 0;font-size:14px;color:#e8dcc899}.hud-top{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:linear-gradient(to bottom,rgba(26,20,16,.8),transparent);pointer-events:none}.hud-top .brand{font-family:var(--serif-cjk);font-size:17px;letter-spacing:.3em;color:var(--lamp)}.hud-top .user{font-size:13px;color:#e8dcc88c;pointer-events:auto}.hud-top .user button{font-size:12px;padding:4px 12px;margin-left:12px}.joystick{position:absolute;left:28px;bottom:34px;border-radius:50%;touch-action:none;user-select:none;-webkit-user-select:none;z-index:10}.joystick-ring{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid rgba(255,217,160,.28);background:radial-gradient(circle,#2a1d1480,#1a141059);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.joystick-knob{position:absolute;left:50%;top:50%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffd9a0d9,#ffd9a073);border:1px solid rgba(255,217,160,.7);box-shadow:0 2px 10px #00000080;pointer-events:none}.touch-action{position:absolute;right:34px;bottom:52px;width:88px;height:88px;border-radius:50%;border:2px solid rgba(255,217,160,.5);background:#2a1d14b8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);color:var(--lamp);font-size:15px;letter-spacing:.1em;display:flex;align-items:center;justify-content:center;touch-action:none;z-index:10;font-family:var(--serif-cjk)}.touch-action:active{background:#ffd9a0d9;color:var(--ink)}.touch-action:disabled{opacity:.25}@media(max-width:640px){.hud-top{padding:10px 14px}.hud-top .brand{font-size:14px;letter-spacing:.2em}.hud-top .user{font-size:12px}.prompt{font-size:13px;padding:8px 14px;bottom:30%}.enter-hint h2{font-size:18px}.enter-hint p{font-size:12px}}.center-msg{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;background:var(--wood-dark);font-size:15px;color:#e8dcc8b3}.center-msg.error{color:var(--error)}