:root{--bg:#050b18;--bg-2:#0a1628;--panel:#0a182eb8;--panel-strong:#081224e6;--line:#78dcff38;--line-strong:#78dcff80;--cyan:#50e3ff;--cyan-2:#1fb6e0;--cyan-soft:#50e3ff24;--text:#e8f4ff;--text-dim:#9db4cc;--text-faint:#6c83a0;--ok:#4ff0b0;--warn:#ffc857;--danger:#ff6b81;--radius:16px;--radius-sm:10px;--shadow:0 18px 50px #00000073;--font:"Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;--font-display:"Orbitron", "Noto Sans JP", system-ui, sans-serif;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}*{box-sizing:border-box}html,body{background:var(--bg);width:100%;height:100%;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;touch-action:none;margin:0;padding:0;overflow:hidden}button,input,select{font-family:inherit}.hidden{display:none!important}#app{position:fixed;inset:0}#scene-root{position:absolute;inset:0}#scene-root canvas{outline:none;width:100%;height:100%;display:block}.glass{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow), inset 0 1px 0 #ffffff0f;-webkit-backdrop-filter:blur(14px)saturate(130%);background:linear-gradient(160deg,#142c4ec7,#061022c7)}.btn{border:1px solid var(--line-strong);min-height:42px;color:var(--text);letter-spacing:.02em;cursor:pointer;white-space:nowrap;background:#50e3ff14;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:15px;font-weight:500;transition:transform .15s,background .2s,box-shadow .2s,opacity .2s;display:inline-flex}.btn:hover:not(:disabled){background:#50e3ff2e;box-shadow:0 0 18px #50e3ff40}.btn:active:not(:disabled){transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{color:#02121f;background:linear-gradient(135deg,#27c6f2,#1a8fe0);border-color:#a0f0ffcc;font-weight:700}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#5fe0ff,#2aa2f0);box-shadow:0 0 24px #50e3ff80}.btn-ghost{background:#ffffff0a}.btn-danger{background:#ff6b811a;border-color:#ff6b818c}.btn-danger:hover:not(:disabled){background:#ff6b8138;box-shadow:0 0 18px #ff6b8140}.btn-lg{min-height:52px;padding:14px 26px;font-size:17px}.btn-sm{min-height:34px;padding:6px 14px;font-size:13px}.btn-icon{font-size:1.1em}kbd{border:1px solid var(--line-strong);min-width:26px;color:var(--cyan);font-family:var(--font-display);text-align:center;background:#50e3ff1a;border-radius:6px;margin-right:3px;padding:2px 7px;font-size:12px;display:inline-block}.screen{z-index:50;flex-direction:column;justify-content:flex-start;align-items:center;padding:20px;display:flex;position:absolute;inset:0;overflow-y:auto}.screen>.start-card{margin-top:auto}.screen>.start-footer{margin-bottom:auto}#start-screen{background:radial-gradient(at 50% 30%,#050b1840,#050b18d9 75%)}.start-grid{pointer-events:none;opacity:.35;background-image:linear-gradient(#50e3ff14 1px,#0000 1px),linear-gradient(90deg,#50e3ff14 1px,#0000 1px);background-size:48px 48px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(#0000 30%,#000 85%);mask-image:radial-gradient(#0000 30%,#000 85%)}.start-card{text-align:center;width:min(520px,100%);padding:34px 32px 24px;animation:.8s both rise;position:relative}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.start-logo{object-fit:contain;filter:drop-shadow(0 0 18px #ffbe144d);width:138px;height:138px;margin:0 auto 8px;display:block}.logo{font-family:var(--font-display);letter-spacing:.12em;background:linear-gradient(#fff,#8eeaff 60%,#3cc6ee);color:#0000;text-shadow:0 0 30px #50e3ff40;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(30px,7vw,46px);font-weight:900;line-height:1.1}.hud-badge,.menu-title{align-items:center;gap:8px;display:flex}.hud-badge img{object-fit:contain;width:28px;height:28px}.menu-title img{object-fit:contain;width:34px;height:34px}.start-sub{color:var(--text-dim);letter-spacing:.08em;margin:10px 0 22px;font-size:15px}.login-form{text-align:left;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;display:grid}.field span{color:var(--text-dim);letter-spacing:.06em;margin:0 0 6px 4px;font-size:12px;display:block}.field input,.field select{border-radius:var(--radius-sm);border:1px solid var(--line);width:100%;color:var(--text);background:#000a188c;outline:none;padding:11px 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px #50e3ff26}.loading{margin-bottom:18px}.loading-bar{background:#ffffff14;border-radius:4px;height:4px;overflow:hidden}.loading-fill{background:linear-gradient(90deg, var(--cyan-2), var(--cyan));width:0%;height:100%;box-shadow:0 0 12px var(--cyan);transition:width .3s}#loading-text{color:var(--text-faint);margin:8px 0 0;font-size:12px}.start-actions{flex-direction:column;gap:10px;display:flex}.vr-status{color:var(--text-faint);margin:10px 0 0;font-size:12px}.start-help{text-align:left;color:var(--text-dim);margin-top:18px;font-size:13px}.start-help summary{cursor:pointer;color:var(--cyan);text-align:center;list-style:none}.start-help summary::-webkit-details-marker{display:none}.help-grid{grid-template-columns:1fr 1fr;gap:8px 14px;margin-top:12px;display:grid}.help-note{color:var(--text-faint);margin:12px 0 0;font-size:12px}.start-footer{color:var(--text-faint);letter-spacing:.12em;margin-top:18px;font-size:11px;position:relative}#hud{pointer-events:none;z-index:10;position:absolute;inset:0}#hud button,#hud canvas{pointer-events:auto}.hud-top-left{top:calc(14px + var(--safe-t));border-radius:999px;align-items:center;gap:14px;padding:9px 16px;display:flex;position:absolute;left:14px}.hud-badge{font-family:var(--font-display);letter-spacing:.18em;color:var(--cyan);font-size:12px;font-weight:700}.hud-loc{align-items:center;gap:7px;font-size:14px;display:flex}.hud-loc .dot{background:var(--ok);width:8px;height:8px;box-shadow:0 0 8px var(--ok);border-radius:50%}.hud-clock{font-family:var(--font-display);color:var(--text-dim);font-size:13px}.hud-top-right{top:calc(14px + var(--safe-t));gap:8px;display:flex;position:absolute;right:14px}.icon-btn{width:54px;height:50px;color:var(--text);cursor:pointer;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:1px;font-size:18px;transition:background .2s,box-shadow .2s;display:flex}.icon-btn:hover{box-shadow:0 0 16px #50e3ff59}.icon-btn.disabled{opacity:.45}.icon-label{color:var(--text-dim);letter-spacing:.04em;font-size:9px}#objective{top:calc(74px + var(--safe-t));border-left:3px solid var(--cyan);border-radius:12px;max-width:320px;padding:10px 16px;position:absolute;left:14px}.objective-label{font-family:var(--font-display);letter-spacing:.2em;color:var(--cyan);font-size:10px}.objective-text{margin-top:2px;font-size:14px}#crosshair{background:#ffffffd9;border-radius:50%;width:6px;height:6px;margin:-3px 0 0 -3px;position:absolute;top:50%;left:50%;box-shadow:0 0 6px #50e3ffe6}#crosshair.active{border:2px solid var(--cyan);background:0 0;width:14px;height:14px;margin:-7px 0 0 -7px}#interact-prompt{border:1px solid var(--line-strong);white-space:nowrap;background:#041022d1;border-radius:999px;align-items:center;gap:10px;padding:9px 18px 9px 10px;font-size:15px;animation:.2s pop;display:flex;position:absolute;top:calc(50% + 46px);left:50%;transform:translate(-50%);box-shadow:0 0 22px #50e3ff40}#interact-prompt kbd{background:var(--cyan);color:#02121f;border:none;padding:3px 9px;font-size:14px}@keyframes pop{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}#minimap{right:14px;bottom:calc(14px + var(--safe-b));border:1px solid var(--line-strong);width:180px;height:180px;box-shadow:var(--shadow), 0 0 18px #50e3ff26;background:#040c1ab8;border-radius:50%;position:absolute}#fps{left:14px;bottom:calc(14px + var(--safe-b));font-family:var(--font-display);color:var(--ok);background:#0006;border-radius:6px;padding:3px 8px;font-size:11px;position:absolute}#resume-overlay{z-index:20;cursor:pointer;background:#02081259;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.resume-card{text-align:center;padding:18px 26px}.resume-card p{margin:0 0 4px;font-size:16px}.resume-card small{color:var(--text-faint)}#touch-controls{pointer-events:none;z-index:12;position:absolute;inset:0}#joystick{left:22px;bottom:calc(26px + var(--safe-b));pointer-events:auto;border:1px solid var(--line-strong);background:radial-gradient(circle,#50e3ff1a,#50e3ff08);border-radius:50%;width:128px;height:128px;position:absolute}#joystick-knob{background:#50e3ff59;border:1px solid #a0f0ffcc;border-radius:50%;width:54px;height:54px;margin:-27px 0 0 -27px;position:absolute;top:50%;left:50%;box-shadow:0 0 16px #50e3ff66}.touch-buttons{right:18px;bottom:calc(210px + var(--safe-b));flex-direction:column;align-items:flex-end;gap:12px;display:flex;position:absolute}.touch-btn{pointer-events:auto;border:1px solid var(--line-strong);width:60px;height:60px;color:var(--text);font-size:22px;font-family:var(--font-display);background:#061428b3;border-radius:50%}.touch-btn:active,.touch-btn.on{background:#50e3ff59}#touch-action{background:var(--cyan);color:#02121f;width:76px;height:76px;font-weight:900;box-shadow:0 0 20px #50e3ff99}.overlay{z-index:30;background:#0208128c;justify-content:center;align-items:center;padding:20px;animation:.2s fade;display:flex;position:absolute;inset:0}@keyframes fade{0%{opacity:0}to{opacity:1}}.menu-shell{grid-template-columns:230px 1fr;width:min(1080px,100%);height:min(700px,100%);display:grid;position:relative;overflow:hidden}.menu-nav{border-right:1px solid var(--line);background:#00081459;flex-direction:column;gap:4px;padding:22px 14px;display:flex;overflow-y:auto}.menu-title{font-family:var(--font-display);letter-spacing:.14em;color:var(--cyan);border-bottom:1px solid var(--line);margin-bottom:10px;padding:4px 10px 16px;font-size:16px;font-weight:900}.menu-item{color:var(--text-dim);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:12px;align-items:center;gap:12px;padding:11px 14px;font-size:15px;transition:background .2s,color .2s;display:flex}.menu-item span{text-align:center;width:22px}.menu-item:hover{color:var(--text);background:#50e3ff12}.menu-item.active{background:var(--cyan-soft);border-color:var(--line-strong);color:var(--text);box-shadow:inset 3px 0 0 var(--cyan)}.menu-spacer{flex:1;min-height:12px}.menu-nav .btn{margin-top:6px}.menu-content{padding:28px 30px;overflow-y:auto}.close-btn{border:1px solid var(--line);width:36px;height:36px;color:var(--text);cursor:pointer;background:#00000040;border-radius:50%;font-size:15px;position:absolute;top:14px;right:14px}.close-btn.inline{flex-shrink:0;margin-left:auto;position:static}.close-btn:hover{border-color:var(--cyan)}.section-title{align-items:center;gap:10px;margin:0 0 4px;font-size:22px;display:flex}.section-sub{color:var(--text-dim);margin:0 0 22px;font-size:14px}.cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}.card{border:1px solid var(--line);background:#ffffff08;border-radius:14px;flex-direction:column;gap:8px;padding:16px;display:flex}.card h4{margin:0;font-size:16px}.card p{color:var(--text-dim);flex:1;margin:0;font-size:13px;line-height:1.6}.card .card-icon{font-size:26px}.card .btn{align-self:flex-start;margin-top:6px}.card.soon{opacity:.65}.tag{border:1px solid var(--line-strong);color:var(--cyan);border-radius:999px;padding:2px 9px;font-size:11px;display:inline-block}.tag.ok{color:var(--ok);border-color:#4ff0b080}.tag.warn{color:var(--warn);border-color:#ffc85780}.tag.dim{color:var(--text-faint);border-color:var(--line)}.row{flex-wrap:wrap;gap:14px;display:flex}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.panel-block{border:1px solid var(--line);background:#ffffff06;border-radius:14px;margin-bottom:16px;padding:18px}.panel-block h4{color:var(--cyan);letter-spacing:.06em;margin:0 0 12px;font-size:14px;font-weight:500}.map-wrap{position:relative}.school-map{aspect-ratio:1.3;width:100%;max-width:560px;margin:0 auto 12px;display:block}.teleport-list{flex-wrap:wrap;gap:8px;display:flex}.attendance-card{grid-template-columns:auto 1fr;gap:6px 18px;font-size:15px;display:grid}.attendance-card dt{color:var(--text-dim)}.attendance-card dd{margin:0}.status-present{color:var(--ok);font-weight:700}.status-present:before{content:"● "}.status-absent{color:var(--warn)}.status-absent:before{content:"○ "}.big-time{font-family:var(--font-display);color:var(--cyan);letter-spacing:.06em;font-size:36px}.stat-tiles{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px;display:grid}.stat{border:1px solid var(--line);background:#ffffff08;border-radius:14px;padding:14px}.stat .label{color:var(--text-dim);font-size:12px}.stat .value{font-family:var(--font-display);margin-top:4px;font-size:24px}.stat .value small{font-family:var(--font);color:var(--text-dim);margin-left:3px;font-size:12px}.bar-row{grid-template-columns:70px 1fr 48px;align-items:center;gap:12px;margin:10px 0;font-size:14px;display:grid}.bar-track{background:#ffffff12;border-radius:10px;height:10px;overflow:hidden}.bar-fill{background:linear-gradient(90deg, var(--cyan-2), var(--cyan));border-radius:10px;height:100%;transition:width .8s;box-shadow:0 0 10px #50e3ff80}.bar-val{font-family:var(--font-display);text-align:right;font-size:13px}.list{margin:0;padding:0;list-style:none}.list li{border-bottom:1px solid #78dcff14;justify-content:space-between;gap:10px;padding:10px 0;font-size:14px;display:flex}.list li:last-child{border-bottom:none}.list .muted{color:var(--text-faint);white-space:nowrap;font-size:12px}.reco{background:#ffc8570f;border:1px solid #ffc85766;border-radius:14px;margin-bottom:10px;padding:14px 16px}.reco p{margin:0 0 10px;font-size:14px;line-height:1.6}.reco.ok{background:#4ff0b00d;border-color:#4ff0b066}.profile-layout{grid-template-columns:260px 1fr;gap:20px;display:grid}.avatar-preview{aspect-ratio:.8;border:1px solid var(--line);background:radial-gradient(circle at 50% 40%,#50e3ff26,#0003);border-radius:16px;width:100%;display:block}.form-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.color-row{flex-wrap:wrap;gap:8px;display:flex}.swatch{cursor:pointer;border:2px solid #0000;border-radius:50%;width:30px;height:30px}.swatch.active{border-color:#fff;box-shadow:0 0 10px #50e3ffb3}.setting{border-bottom:1px solid #78dcff14;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;display:flex}.setting:last-child{border-bottom:none}.setting .s-label{font-size:15px}.setting .s-desc{color:var(--text-faint);margin-top:2px;font-size:12px}.seg{border:1px solid var(--line);border-radius:999px;flex-shrink:0;display:inline-flex;overflow:hidden}.seg button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:7px 14px;font-size:13px}.seg button.active{background:var(--cyan-soft);color:var(--cyan)}.switch{flex-shrink:0;width:48px;height:26px;position:relative}.switch input{opacity:0;width:0;height:0}.switch .slider{cursor:pointer;background:#ffffff1f;border-radius:26px;transition:background .2s;position:absolute;inset:0}.switch .slider:before{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:3px;left:3px}.switch input:checked+.slider{background:var(--cyan-2)}.switch input:checked+.slider:before{transform:translate(22px)}input[type=range]{accent-color:var(--cyan);width:160px}.chat-box{border:1px solid var(--line);border-radius:14px;flex-direction:column;height:420px;display:flex;overflow:hidden}.chat-log{flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.chat-form{border-top:1px solid var(--line);background:#0003;gap:8px;padding:10px;display:flex}.chat-form input{border:1px solid var(--line);color:var(--text);background:#000a1899;border-radius:999px;outline:none;flex:1;padding:10px 14px;font-size:14px}.bubble{white-space:pre-wrap;border-radius:14px;max-width:82%;padding:10px 14px;font-size:14px;line-height:1.65}.bubble.ai{border:1px solid var(--line);background:#50e3ff1a;border-top-left-radius:4px;align-self:flex-start}.bubble.me{background:#288ce659;border-top-right-radius:4px;align-self:flex-end}.bubble.typing{color:var(--text-dim);font-style:italic}.chips{flex-wrap:wrap;gap:8px;margin:10px 0 0;display:flex}.chip{border:1px solid var(--line);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:999px;padding:6px 12px;font-size:12px}.chip:hover{color:var(--text);border-color:var(--cyan)}#lesson-panel{pointer-events:none;z-index:15;position:absolute;inset:0}#lesson-panel>*{pointer-events:auto}.lesson-head{top:calc(14px + var(--safe-t));border-radius:16px;align-items:center;gap:26px;width:min(640px,100% - 28px);padding:12px 22px;display:flex;position:absolute;left:50%;transform:translate(-50%)}.lesson-title-wrap{flex:1;min-width:0}.lesson-kicker{font-family:var(--font-display);letter-spacing:.22em;color:var(--danger);align-items:center;gap:6px;font-size:10px;display:flex}.lesson-kicker:before{content:"";background:currentColor;border-radius:50%;width:7px;height:7px;animation:1.4s infinite blink;box-shadow:0 0 8px}@keyframes blink{50%{opacity:.3}}#inspect-panel .lesson-kicker{color:var(--cyan)}#lesson-title{white-space:nowrap;text-overflow:ellipsis;margin:2px 0 0;font-size:19px;overflow:hidden}.lesson-progress{font-family:var(--font-display);color:var(--text-dim);flex-direction:column;align-items:flex-end;gap:6px;font-size:12px;display:flex}.progress-track{background:#ffffff14;border-radius:5px;width:150px;height:5px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--cyan-2), var(--cyan));width:0;height:100%;transition:width .4s}.lesson-tools{border-radius:16px;flex-direction:column;gap:6px;width:74px;padding:10px;display:flex;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.tool-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;font-size:18px;display:flex}.tool-btn span{font-size:10px}.tool-btn:hover{color:var(--text);background:#50e3ff14}.tool-btn.active{background:var(--cyan-soft);border-color:var(--line-strong);color:var(--cyan)}.lesson-tools .tool-hint{display:none}.tool-hint{color:var(--text-faint);font-size:11px;line-height:1.5}.lesson-body{left:50%;bottom:calc(16px + var(--safe-b));grid-template-columns:auto 1fr;gap:6px 18px;width:min(880px,100% - 28px);padding:18px 20px;display:grid;position:absolute;transform:translate(-50%)}.teacher-avatar{width:58px;height:58px;font-family:var(--font-display);color:#02121f;background:radial-gradient(circle at 35% 30%,#aef3ff,#1a8fe0 60%,#0a2a55);border:2px solid #a0f0ffcc;border-radius:50%;flex-shrink:0;place-items:center;font-size:17px;font-weight:900;display:grid;box-shadow:0 0 20px #50e3ff8c}.teacher-avatar.small{width:42px;height:42px;font-size:13px}.teacher-avatar.talking{animation:.5s ease-in-out infinite alternate talk}@keyframes talk{to{transform:scale(1.04);box-shadow:0 0 34px #50e3fff2}}.lesson-speaker{color:var(--cyan);letter-spacing:.1em;margin-bottom:4px;font-size:12px}.lesson-text{white-space:pre-wrap;min-height:3.7em;margin:0;font-size:16px;line-height:1.85}.lesson-nav{flex-wrap:wrap;grid-column:1/-1;justify-content:flex-end;gap:10px;margin-top:8px;display:flex}.lesson-quiz{grid-template-columns:1fr 1fr;gap:8px;margin-top:12px;display:grid}.quiz-q{grid-column:1/-1;margin-bottom:2px;font-weight:700}.quiz-opt{border:1px solid var(--line);color:var(--text);cursor:pointer;text-align:left;background:#ffffff0a;border-radius:12px;padding:11px 14px;font-size:14px;transition:background .2s,border-color .2s}.quiz-opt:hover:not(:disabled){border-color:var(--cyan);background:#50e3ff14}.quiz-opt.correct{border-color:var(--ok);background:#4ff0b026}.quiz-opt.wrong{border-color:var(--danger);background:#ff6b8126}.quiz-opt:disabled{cursor:default}.quiz-feedback{color:var(--text-dim);grid-column:1/-1;font-size:14px;line-height:1.6}#dialog-panel{inset:auto 0 calc(16px + var(--safe-b)) 0;z-index:16;justify-content:center;padding:0 14px;display:flex;position:absolute}.dialog-card{flex-direction:column;width:min(640px,100%);max-height:70vh;padding:16px 18px;animation:.25s rise;display:flex}.dialog-head{align-items:center;gap:12px;margin-bottom:10px;display:flex}.dialog-name{font-weight:700}.dialog-role{color:var(--text-dim);font-size:12px}.dialog-log{flex-direction:column;gap:8px;min-height:60px;margin-bottom:12px;display:flex;overflow-y:auto}.dialog-options{flex-wrap:wrap;gap:8px;display:flex}.dialog-input{gap:8px;margin-top:10px;display:flex}.dialog-input input{border:1px solid var(--line);color:var(--text);background:#000a1899;border-radius:999px;outline:none;flex:1;padding:10px 14px;font-size:14px}.dialog-input input:focus{border-color:var(--cyan)}#inspect-panel{z-index:15;width:min(340px,100% - 28px);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.inspect-card{padding:20px}.inspect-card h3{margin:4px 0 8px;font-size:20px}.inspect-card p{color:var(--text-dim);margin:0 0 10px;font-size:14px;line-height:1.7}.inspect-card ul{margin:0 0 12px;padding-left:18px;font-size:13px;line-height:1.8}.inspect-actions{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.modal-card{text-align:left;width:min(460px,100%);max-height:90vh;padding:26px;animation:.25s rise;overflow-y:auto}.modal-card h3{margin:0 0 6px;font-size:20px}.modal-card .modal-kicker{font-family:var(--font-display);letter-spacing:.22em;color:var(--cyan);font-size:10px}.modal-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;margin-top:22px;display:flex}#toast-container{top:calc(80px + var(--safe-t));z-index:25;pointer-events:none;flex-direction:column;align-items:flex-end;gap:8px;display:flex;position:absolute;right:14px}.toast{border:1px solid var(--line-strong);max-width:320px;box-shadow:var(--shadow);background:#061428eb;border-radius:12px;padding:11px 16px;font-size:14px;line-height:1.5;animation:.3s both toastIn}.toast.ok{border-color:#4ff0b099}.toast.warn{border-color:#ffc85799}.toast.out{animation:.3s both toastOut}@keyframes toastIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:none}}@keyframes toastOut{to{opacity:0;transform:translate(20px)}}#fatal{z-index:100;background:var(--bg);justify-content:center;align-items:center;padding:20px;display:flex;position:absolute;inset:0}.fatal-card{max-width:480px;padding:28px}@media (width<=900px){.menu-shell{grid-template-rows:auto 1fr;grid-template-columns:1fr;height:100%}.menu-nav{border-right:none;border-bottom:1px solid var(--line);flex-flow:row;align-items:center;padding:12px;overflow-x:auto}.menu-title,.menu-spacer{display:none}.menu-item{flex-shrink:0;padding:9px 12px;font-size:13px}.menu-item.active{box-shadow:inset 0 -3px 0 var(--cyan)}.menu-nav .btn{flex-shrink:0;margin:0 0 0 6px}#btn-logout{display:none}.menu-content{padding:20px 18px 30px}.close-btn{top:10px;right:10px}.menu-nav{padding-right:56px}.stat-tiles{grid-template-columns:1fr 1fr}.grid-2,.profile-layout{grid-template-columns:1fr}.avatar-preview{max-width:220px;margin:0 auto}.lesson-tools{top:auto;bottom:calc(230px + var(--safe-b));flex-direction:row;width:auto;padding:6px;right:50%;transform:translate(50%)}.tool-btn{padding:6px 8px}}@media (width<=600px){.overlay{padding:0}.menu-shell{border-radius:0}.login-form{grid-template-columns:1fr}.start-card{padding:26px 20px 20px}.hud-top-left{gap:10px;padding:7px 12px}.hud-badge,.hud-clock{display:none}.icon-btn{width:44px;height:44px;font-size:16px}.icon-label{display:none}#objective{top:calc(62px + var(--safe-t));max-width:62vw;padding:7px 12px}.objective-text{font-size:12px}#minimap{width:118px;height:118px;top:calc(118px + var(--safe-t));bottom:auto;right:10px}.lesson-head{gap:12px;padding:10px 14px}#lesson-title{font-size:15px}.progress-track{width:80px}.lesson-body{grid-template-columns:1fr;gap:4px;padding:14px}.lesson-body .teacher-avatar{display:none}.lesson-text{min-height:0;max-height:28vh;font-size:14px;line-height:1.7;overflow-y:auto}.lesson-nav .btn{flex:1;padding:10px 8px;font-size:14px}.lesson-quiz{grid-template-columns:1fr}.lesson-tools{bottom:calc(250px + var(--safe-b))}.tool-btn span{display:none}#inspect-panel{top:auto;bottom:calc(10px + var(--safe-b));width:calc(100% - 20px);left:10px;transform:none}.inspect-card{max-height:42vh;padding:14px;overflow-y:auto}.chat-box{height:55vh}.bar-row{grid-template-columns:56px 1fr 42px}}@media (hover:none){#crosshair{display:none}}.face-login{border-radius:var(--radius-sm);border:1px dashed var(--line-strong);width:100%;color:var(--text-dim);text-align:left;cursor:not-allowed;background:#50e3ff0d;align-items:center;gap:14px;margin:0 0 16px;padding:12px 14px;display:flex}.face-login .face-icon{width:40px;height:40px;color:var(--cyan);opacity:.7;flex-shrink:0}.face-login b{color:var(--text);font-size:14px;font-weight:500;display:block}.face-login small{font-size:11px;line-height:1.5}.field select{appearance:none;background-image:linear-gradient(45deg, transparent 50%, var(--cyan) 50%), linear-gradient(135deg, var(--cyan) 50%, transparent 50%);background-position:calc(100% - 18px),calc(100% - 13px);background-repeat:no-repeat;background-size:5px 5px}.hud-room{top:calc(18px + var(--safe-t));color:var(--ok);font-family:var(--font-display);letter-spacing:.1em;background:#08281ecc;border:1px solid #4ff0b080;border-radius:999px;padding:6px 14px;font-size:12px;position:absolute;left:50%;transform:translate(-50%)}.icon-btn.on{border-color:var(--ok);background:#4ff0b040}.icon-btn.talking{box-shadow:0 0 0 3px #4ff0b099,0 0 18px #4ff0b099}#chat-hud{left:14px;bottom:calc(14px + var(--safe-b));pointer-events:none;width:min(380px,100% - 220px);position:absolute}#chat-hud-log{flex-direction:column;gap:4px;margin-bottom:6px;display:flex}.chat-line{background:#041022b8;border-radius:10px;align-self:flex-start;max-width:100%;padding:5px 10px;font-size:13px;line-height:1.5;transition:opacity 1s}.chat-line.mine{background:#1e6ec899}.chat-line.sys{color:var(--ok);background:#08281eb3;font-size:12px}.chat-line.old{opacity:.35}#chat-hud-form{pointer-events:auto;display:none}#chat-hud.typing #chat-hud-form{display:block}#chat-hud.typing .chat-line{opacity:1}#chat-hud-form .row{flex-wrap:nowrap;gap:6px}#chat-hud-input{border:1px solid var(--line-strong);min-width:0;color:var(--text);background:#000a18d9;border-radius:999px;outline:none;flex:1;padding:9px 14px;font-size:14px}#chat-hud-quick{margin:0 0 6px}#chat-hud-quick .chip{background:#041022d9}.chat-sys{color:var(--ok);text-align:center;font-size:12px}.chat-box.small{height:260px}.route-chip{border:1px solid var(--route,var(--cyan));color:var(--route,var(--cyan));font-family:var(--font);letter-spacing:0;border-radius:999px;margin-left:8px;padding:1px 8px;font-size:11px;display:inline-block}.lesson-kicker .route-chip:before{display:none}.lesson-quiz.analysis{display:block}.route-card{border:1px solid var(--route);background:color-mix(in srgb, var(--route) 12%, transparent);border-radius:12px;margin-bottom:8px;padding:10px 14px}.route-name{color:var(--route);font-weight:700}.route-desc{color:var(--text-dim);margin-top:2px;font-size:13px}.unit-plan{gap:4px;margin:0;padding:0;list-style:none;display:grid}.unit-plan li{background:#ffffff08;border-radius:8px;grid-template-columns:24px minmax(0,1fr) minmax(0,1.3fr);align-items:center;gap:8px;padding:6px 8px;font-size:13px;display:grid}.unit-plan .u-name{font-weight:700}.unit-plan .u-why{color:var(--text-faint);font-size:12px}.unit-plan .mode-skip .u-icon{color:var(--ok)}.unit-plan .mode-basic .u-icon{color:var(--warn)}.quiz-hint{color:var(--cyan);grid-column:1/-1;font-size:12px}.lesson-quiz.type-ox{grid-template-columns:1fr 1fr}.quiz-opt.ox{text-align:center;padding:6px;font-size:34px;font-weight:700}.lesson-quiz.type-pick{grid-template-columns:repeat(3,1fr)}.lesson-quiz.type-order{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}.order-slots{border:1px dashed var(--line-strong);border-radius:10px;flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:6px;padding:8px;display:flex}.order-slots .slot{min-width:64px;color:var(--text-faint);text-align:center;background:#ffffff0d;border-radius:8px;padding:6px 10px;font-size:13px}.order-slots .slot.filled{background:var(--cyan-soft);color:var(--text)}.order-slots .arrow{color:var(--text-faint)}.order-slots.ok{border-color:var(--ok)}.order-slots.ng{border-color:var(--danger)}.order-actions{grid-column:1/-1;justify-content:flex-end;gap:8px;display:flex}.teacher-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}#lesson-teacher-avatar{background:radial-gradient(circle at 35% 30%, #fff, var(--t-color,#1a8fe0) 60%, #0a2a55);overflow:hidden}.lesson-body{max-height:62vh;overflow-y:auto}.sub-tabs button{padding:8px 16px;font-size:14px}.teacher-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;display:grid}.teacher-card{border:1px solid var(--line);color:var(--text);text-align:left;cursor:pointer;background:#ffffff08;border-radius:14px;grid-template-rows:auto auto auto;grid-template-columns:52px 1fr;align-items:center;column-gap:12px;padding:14px;font-family:inherit;display:grid}.teacher-card:hover{border-color:var(--t-color)}.teacher-card.active{border-color:var(--t-color);box-shadow:inset 0 0 0 1px var(--t-color), 0 0 18px color-mix(in srgb, var(--t-color) 35%, transparent)}.t-face{background:radial-gradient(circle at 35% 30%, #fff, var(--t-color) 65%);color:#02121f;border-radius:50%;grid-row:1/4;place-items:center;width:52px;height:52px;font-size:20px;font-weight:900;display:grid;overflow:hidden}.t-face img{object-fit:cover;width:100%;height:100%}.t-name{font-size:15px;font-weight:700}.t-spec{color:var(--t-color);font-size:12px}.t-style{color:var(--text-faint);margin-top:2px;font-size:11px;line-height:1.5}.file-drop{border:1px dashed var(--line-strong);min-height:120px;color:var(--text-dim);text-align:center;cursor:pointer;border-radius:12px;place-items:center;margin-bottom:10px;padding:12px;font-size:13px;display:grid}.file-thumb{object-fit:cover;border-radius:12px;width:110px;height:110px}.check{color:var(--text-dim);align-items:flex-start;gap:8px;margin:6px 0;font-size:13px;line-height:1.5;display:flex}.check input{accent-color:var(--cyan);margin-top:3px}.code-input{border-radius:var(--radius-sm);border:1px solid var(--line);min-width:0;color:var(--text);font-family:var(--font-display);letter-spacing:.25em;text-transform:uppercase;background:#000a188c;outline:none;flex:1;padding:10px 14px;font-size:20px}.code-input:focus{border-color:var(--cyan)}.room-banner{background:#4ff0b00f;border:1px solid #4ff0b073;border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;padding:16px 18px;display:flex}.room-code{font-family:var(--font-display);letter-spacing:.3em;color:#fff;font-size:34px}.safety{color:var(--text-dim);margin:0;padding-left:18px;font-size:13px;line-height:1.9}.organ-grid{grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px;display:grid}.organ-card{border:1px solid var(--line);background:#ffffff05;border-radius:12px;gap:6px;padding:12px 14px;display:grid}.organ-card.passed{border-color:#4ff0b08c}.organ-icon{font-size:26px}.organ-name{font-size:14px;font-weight:700}.organ-meta{color:var(--text-dim);font-size:12px}.badge-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.badge{border:1px solid var(--line);opacity:.5;text-align:center;background:#ffffff05;border-radius:12px;padding:12px}.badge.got{opacity:1;background:#ffc8570f;border-color:#ffc8578c}.b-icon{font-size:28px}.b-name{margin-top:4px;font-size:13px;font-weight:700}.b-desc{color:var(--text-faint);margin-top:2px;font-size:11px;line-height:1.5}.explore-maps{gap:10px;display:grid}.explore-maps canvas{background:#00000026;border-radius:12px;width:100%;height:auto}#badge-pop{left:50%;top:calc(90px + var(--safe-t));z-index:45;background:#1e1806eb;border:1px solid #ffc857b3;border-radius:16px;align-items:center;gap:14px;padding:12px 20px 12px 12px;animation:.3s pop;display:flex;position:absolute;transform:translate(-50%);box-shadow:0 0 30px #ffc85759}.badge-pop-icon{background:#ffc8572e;border-radius:50%;place-items:center;width:54px;height:54px;font-size:30px;display:grid}.badge-pop-name{font-size:16px;font-weight:700}.badge-pop-desc{color:var(--text-dim);font-size:12px}.rest-card{text-align:center}.rest-timer{font-family:var(--font-display);color:var(--cyan);margin:10px 0;font-size:44px}.lesson-picker{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.lesson-picker button{border:1px solid var(--line);color:var(--text);cursor:pointer;text-align:left;background:#ffffff08;border-radius:12px;flex-direction:column;align-items:flex-start;gap:4px;padding:12px;font-family:inherit;display:flex}.lesson-picker button:hover{border-color:var(--cyan)}.lesson-picker .lp-icon{font-size:26px}.lesson-picker .lp-name{font-size:14px;font-weight:700}.lesson-picker .lp-meta{color:var(--text-faint);font-size:11px}@media (width<=600px){.login-form{grid-template-columns:1fr 1fr}#chat-hud{width:calc(100% - 28px);bottom:calc(170px + var(--safe-b))}.unit-plan li{grid-template-columns:22px 1fr}.unit-plan .u-why{grid-column:2}.lesson-quiz.type-pick{grid-template-columns:1fr 1fr}.lesson-picker{grid-template-columns:1fr}.room-code{font-size:26px}}.room-code.small{letter-spacing:.08em;font-size:22px;font-family:var(--font);font-weight:700}.geo-hud{left:14px;top:calc(150px + var(--safe-t));pointer-events:auto;border-radius:14px;flex-direction:column;gap:6px;width:150px;padding:10px;display:flex;position:absolute}.geo-hud-title{letter-spacing:.12em;color:var(--cyan);text-align:center;font-size:11px;font-weight:700}.geo-hud button{font:inherit;color:var(--text);border:1px solid var(--line);cursor:pointer;text-align:left;background:#ffffff0f;border-radius:9px;padding:6px 8px;font-size:12.5px}.geo-hud button:hover{background:#50e3ff24}.geo-hud button.on{border-color:var(--cyan);background:#50e3ff33}.geo-credit{left:50%;bottom:calc(8px + var(--safe-b));color:#fff;z-index:30;white-space:nowrap;background:#0000008c;border-radius:6px;padding:3px 10px;font-size:11px;position:fixed;transform:translate(-50%)}#inspect-panel:not(.hidden)~.geo-credit{z-index:30}@media (width<=600px){.geo-hud{top:calc(126px + var(--safe-t));flex-direction:row;gap:5px;width:auto;padding:6px;left:10px;right:138px;overflow-x:auto}.geo-hud-title{display:none}.geo-hud button{white-space:nowrap;flex:none;padding:5px 7px;font-size:11px}}.geo-progress{flex-wrap:wrap;align-items:center;gap:16px;margin-top:10px;display:flex}.geo-progress canvas{border:1px solid var(--line);background:#040c1a80;border-radius:12px;width:240px;height:auto}.geo-progress-text{flex-direction:column;flex:1;gap:10px;min-width:180px;display:flex}.server-status{color:var(--text-dim);margin:6px 0 4px;font-size:12px;line-height:1.6}.login-error{min-height:1.2em;color:var(--danger);margin:4px 0 0;font-size:13px}.server-only{display:none}body.server-mode .server-only{display:flex}body.server-mode .local-only{display:none}.login-modes{gap:8px;margin:12px 0;display:flex}.login-mode{border:1px solid var(--line);color:var(--text-dim);cursor:pointer;background:0 0;border-radius:8px;flex:1;padding:9px 12px}.login-mode.active{border-color:var(--accent);color:var(--text);background:#5eead41f}body.guest-mode .student-only{display:none}body.guest-mode .guest-only{display:flex}.modal-card.wide{width:min(760px,100%)}.lf-title{margin:2px 0 4px;font-size:20px}.lf-sub{color:var(--text-dim);margin:0 0 12px;font-size:13px}.lf-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:12px;display:grid}.lf-card{--c:var(--cyan);border:1px solid var(--line);background:linear-gradient(160deg, color-mix(in srgb, var(--c) 14%, transparent), #ffffff05);color:var(--text);cursor:pointer;text-align:left;border-radius:14px;flex-direction:column;align-items:flex-start;gap:4px;padding:16px;font-family:inherit;transition:transform .15s,border-color .15s;display:flex}.lf-card:hover:not([disabled]){border-color:var(--c);transform:translateY(-2px)}.lf-card.soon{opacity:.45;cursor:not-allowed}.lf-icon{font-size:30px;line-height:1.1}.lf-name{font-size:16px;font-weight:800}.lf-desc{color:var(--text-dim);font-size:12px}.lf-meta{color:var(--text-faint);font-size:11px}.lf-resume-tag{color:var(--warn)}.lf-progress{background:#ffffff14;border-radius:4px;width:100%;height:5px;margin-top:6px;display:block;overflow:hidden}.lf-progress>span{background:linear-gradient(90deg, var(--cyan), var(--ok));height:100%;display:block}.lf-resume{border:1px solid var(--warn);background:#ffc85714;border-radius:14px;align-items:center;gap:14px;margin:10px 0 4px;padding:14px 16px;display:flex}.lf-resume-info{flex:1;min-width:0}.lf-resume-kicker{color:var(--warn);letter-spacing:.08em;font-size:11px;font-weight:700}.lf-resume-title{margin:2px 0;font-size:16px;font-weight:800}.lf-resume-meta{color:var(--text-dim);margin-top:4px;font-size:11px}.lf-resume-btns{flex-direction:column;gap:6px;display:flex}.lf-list{flex-direction:column;gap:10px;margin:12px 0;display:flex}.lf-row{border:1px solid var(--line);background:#ffffff08;border-radius:12px;align-items:center;gap:12px;padding:12px 14px;display:flex}.lf-row-main{flex:1;min-width:0}.lf-row-btns{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.lf-row-btns .btn{flex-direction:column;align-items:center;line-height:1.2;display:inline-flex}.lf-row-btns .btn small{opacity:.75;font-size:10px;font-weight:400}.lf-foot{justify-content:space-between;gap:8px;margin-top:14px;display:flex}.lf-in-menu{padding:4px 0}@media (width<=640px){.lf-row,.lf-resume{flex-direction:column;align-items:stretch}}.sc-summary{margin:0 0 8px;font-weight:700}.sc-insights{color:var(--text-dim);margin:0;padding-left:18px;font-size:13px;line-height:1.8}.sc-ai{background:var(--cyan-soft);border-radius:10px;margin-top:10px;padding:10px 12px;font-size:13px;line-height:1.7}.sc-week{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin-top:12px;display:grid}.sc-day{border:1px solid var(--line);background:#ffffff05;border-radius:12px;padding:10px}.sc-day.today{border-color:var(--ok);box-shadow:0 0 0 1px var(--ok) inset}.sc-day.rest{opacity:.55}.sc-day-head{margin-bottom:8px;font-weight:800}.sc-rest{color:var(--text-faint);font-size:12px}.sc-item{border-left:3px solid var(--cyan);background:#ffffff0a;border-radius:10px;align-items:flex-start;gap:8px;margin-bottom:6px;padding:8px;display:flex}.sc-item.k-resume{border-left-color:var(--warn)}.sc-item.k-review{border-left-color:var(--danger)}.sc-item.k-spaced{border-left-color:#a07dff}.sc-item.k-explore{border-left-color:var(--ok)}.sc-item.done{opacity:.5}.sc-item.done .sc-title{text-decoration:line-through}.sc-body{flex:1;min-width:0}.sc-title{font-size:13px;font-weight:700}.sc-meta{color:var(--text-dim);font-size:11px}.sc-kind{color:var(--cyan)}.sc-reason{color:var(--text-faint);margin-top:2px;font-size:11px;line-height:1.5}.sc-check input{width:18px;height:18px;accent-color:var(--ok);margin-top:2px}.teacher-card.expert{cursor:default}.vr-help{border:1px solid var(--warn);text-align:left;background:#ffc85714;border-radius:12px;margin-top:10px;padding:12px 14px;font-size:13px;line-height:1.7}.vr-help p{margin:0 0 8px}