@font-face{font-family:Pretendard;src:url(/fonts/Pretendard-Regular.woff) format("woff");font-weight:400;font-display:swap}@font-face{font-family:CookieRun;src:url(/fonts/CookieRun-Regular.woff) format("woff");font-weight:400;font-display:swap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#111;color:#fff;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font-family:inherit}#app{width:100%;height:100%;position:relative;padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}#popup-container{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;pointer-events:none}#popup-container:not(:empty){pointer-events:auto}.popup-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center}.popup-box{background:#222;border:1px solid #444;border-radius:12px;padding:24px;min-width:280px;max-width:90vw}.popup-title{font-size:18px;font-weight:700;margin-bottom:12px}.popup-message{font-size:14px;color:#ccc;margin-bottom:20px;line-height:1.5}.popup-buttons{display:flex;gap:8px;justify-content:flex-end}.popup-btn{padding:8px 20px;border-radius:8px;border:none;font-size:14px;cursor:pointer}.popup-btn.primary{background:#4a9eff;color:#fff}.popup-btn.secondary{background:#444;color:#fff}#demo-banner{position:fixed;top:calc(env(safe-area-inset-top) + 8px);left:50%;transform:translate(-50%);background:#ffc800e6;color:#000;padding:4px 16px;border-radius:20px;font-size:12px;font-weight:700;z-index:500;pointer-events:none}#ota-loading{position:fixed;top:0;right:0;bottom:0;left:0;background:#111;display:flex;align-items:center;justify-content:center;z-index:9999}.ota-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:ota-spin .8s linear infinite}@keyframes ota-spin{to{transform:rotate(360deg)}}#hud{padding:8px 16px;font-size:20px;font-weight:700;text-align:center}#game-area{flex:1;display:flex;align-items:center;justify-content:center}:root{--accent: #39d17d;--danger: #ff5b52;--warn: #ffcc00;--glass: rgba(13, 17, 23, .62);--glass-line: rgba(255, 255, 255, .14);--text-dim: rgba(255, 255, 255, .62)}body{background:#0d1117}#scene{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0}#scene canvas{display:block;width:100%;height:100%}.hidden{display:none!important}.panel{background:var(--glass);border:1px solid var(--glass-line);border-radius:14px;padding:8px 12px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.chip{min-width:58px;padding:9px 10px;border:1px solid var(--glass-line);border-radius:12px;background:var(--glass);color:#fff;font-size:12px;font-weight:600;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.chip.ghost{color:var(--text-dim)}.chip.on{border-color:var(--accent);color:var(--accent)}.btn{padding:13px 18px;border:1px solid var(--glass-line);border-radius:14px;background:#ffffff14;color:#fff;font-size:15px;font-weight:700}.btn.primary{background:var(--accent);color:#06210f;border-color:transparent}.btn.ghost{background:transparent;color:var(--text-dim)}#hud{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;pointer-events:none}#hud button,#hud .wheel{pointer-events:auto}.hud-top{position:absolute;top:10px;left:12px;right:12px;display:flex;gap:8px;align-items:flex-start;justify-content:space-between}.objective{flex:1;max-width:62%;font-size:13px;line-height:1.35}.objective .tag{display:block;font-size:10px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:2px}.objective .progress{display:block;font-size:11px;color:var(--text-dim);margin-top:2px}.stats{display:flex;gap:14px}.stat{text-align:right;line-height:1.1}.stat b{display:block;font-size:19px;font-variant-numeric:tabular-nums}.stat small{font-size:10px;color:var(--text-dim)}.side-right{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:7px;align-items:flex-end}.gear-stack{display:flex;flex-direction:column;gap:3px;padding:4px;border-radius:14px;background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.gear{width:46px;height:34px;border:0;border-radius:10px;background:transparent;color:var(--text-dim);font-size:15px;font-weight:800}.gear.active{background:var(--accent);color:#06210f}.gear[data-gear=R].active{background:var(--warn);color:#2a1f00}.side-left{position:absolute;left:12px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;align-items:flex-start}.speedo{position:relative;min-width:96px;padding:8px 12px 9px;border-radius:14px;background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.speedo b{font-size:28px;font-variant-numeric:tabular-nums;line-height:1}.speedo small{font-size:11px;color:var(--text-dim);margin-left:3px}.speedo .limit{display:block;margin-top:3px;font-size:10px;color:var(--text-dim)}.speedo.over b{color:var(--danger)}.cluster{border-radius:14px;background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:6px 9px 8px;min-width:150px}.cluster .speedo{background:none;border:0;backdrop-filter:none;-webkit-backdrop-filter:none;padding:2px 4px 0;min-width:0}.tell-tales{display:flex;align-items:center;gap:3px;padding:2px 2px 5px;border-bottom:1px solid rgba(255,255,255,.09)}.tell-tale{width:17px;height:17px;opacity:.18;transition:opacity .12s ease}.tell-tale svg{width:100%;height:100%;display:block}.tell-tale.on{opacity:1}.tell-tale.on[data-lamp=indicatorLeft],.tell-tale.on[data-lamp=indicatorRight]{animation:blink .86s steps(1,end) infinite}@keyframes blink{0%,49%{opacity:1}50%,to{opacity:.18}}.lamp-names{min-height:12px;padding:3px 2px 0;font-size:9.5px;line-height:1.25;color:#ffffffa8;word-break:keep-all}.fuel-gauge{--fuel: 1;position:relative;height:4px;margin:5px 4px 0;border-radius:2px;background:#ffffff29;overflow:hidden}.fuel-gauge i{position:absolute;top:0;right:0;bottom:0;left:0;transform-origin:left center;transform:scaleX(var(--fuel));background:var(--accent);transition:transform .2s linear}.fuel-gauge.low i{background:#ffb400}.switch-row{display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.sw{width:52px;min-height:44px;padding:4px 2px 3px;border:0;border-radius:9px;background:#ffffff0f;color:#ffffff73;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}.sw i{display:block;width:20px;height:20px}.sw em{font-style:normal;font-size:8.5px;font-weight:600;line-height:1.1;text-align:center;color:inherit;opacity:.9}.sw svg{width:20px;height:20px}.sw.on{background:#2ecc4038;color:#2ecc40}.sw.high{background:#3d9bff3d;color:#3d9bff}.sw.warn{background:#ff413638;color:#ff6a60}.stalks{position:absolute;left:14px;bottom:calc(clamp(112px,33vw,150px) + 22px);display:flex;gap:6px}.stalk{width:58px;min-height:42px;padding:3px 2px;flex-direction:column;gap:1px;border-radius:10px;border:1px solid var(--glass-line);background:var(--glass);color:#ffffff80;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.stalk i{display:block;width:19px;height:19px}.stalk em{font-style:normal;font-size:8.5px;font-weight:600;line-height:1.05;text-align:center}.stalk svg{width:19px;height:19px}.stalk.on{color:#2ecc40;border-color:#2ecc4099}.stalk.on svg{animation:blink .86s steps(1,end) infinite}.handbrake{position:relative;width:clamp(52px,15vw,66px);height:clamp(86px,25vw,108px);border:0;background:none;padding:0;flex:0 0 auto;align-self:flex-end}.hb-base{position:absolute;left:50%;bottom:0;width:100%;height:26%;transform:translate(-50%);border-radius:10px 10px 12px 12px;background:linear-gradient(180deg,#343c47f2,#181d24f2);border:1px solid var(--glass-line)}.hb-slot{position:absolute;left:50%;bottom:16%;width:8px;height:62%;transform:translate(-50%) rotate(-10deg);transform-origin:bottom center;border-radius:4px;background:#00000073}.hb-lever{position:absolute;left:50%;bottom:18%;width:15px;height:70%;transform-origin:bottom center;transform:translate(-50%) rotate(-40deg);transition:transform .22s cubic-bezier(.3,1.4,.5,1);border-radius:7px;background:linear-gradient(180deg,#9aa4b2,#5b6673);box-shadow:0 2px 6px #00000073}.handbrake.set .hb-lever{transform:translate(-50%) rotate(-6deg)}.hb-grip{position:absolute;left:50%;top:-14%;width:21px;height:36%;transform:translate(-50%);border-radius:8px;background:linear-gradient(180deg,#2b3138,#171b21);border:1px solid rgba(255,255,255,.12)}.hb-btn{position:absolute;left:50%;top:-2px;width:11px;height:6px;transform:translate(-50%);border-radius:3px;background:#ffffff40;transition:background .18s ease}.handbrake.set .hb-btn{background:var(--danger);box-shadow:0 0 8px #ff5b52e6}#steer-diagram{width:132px;height:132px}.toast{position:absolute;left:50%;top:16%;transform:translate(-50%) translateY(-6px);padding:9px 16px;border-radius:999px;background:#0d1117d9;border:1px solid var(--glass-line);font-size:13px;font-weight:600;opacity:0;transition:opacity .18s ease,transform .18s ease;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%) translateY(0)}.toast.warn{border-color:var(--danger);color:#ffb9b4}.controls{position:absolute;left:0;right:0;bottom:max(10px,env(safe-area-inset-bottom));display:flex;align-items:flex-end;justify-content:space-between;gap:8px;padding:0 12px;gap:6px}.pedals{display:flex;align-items:flex-end;gap:8px}.pedal{width:clamp(58px,17vw,78px);height:clamp(84px,24vw,104px);border-radius:18px;border:1px solid var(--glass-line);background:var(--glass);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;transition:transform .08s ease,background .08s ease}.pedal span{font-size:12px;font-weight:800;letter-spacing:.06em;color:var(--text-dim)}.pedal.accel{border-color:#39d17d80}.pedal.accel span{color:var(--accent)}.pedal.brake{border-color:#ff5b5280;width:clamp(66px,19vw,86px);height:clamp(92px,26vw,112px)}.pedal.brake span{color:#ff8b84}.pedal.pressed{transform:scale(.94);background:#ffffff24}.wheel{width:clamp(112px,33vw,150px);height:clamp(112px,33vw,150px);flex:0 0 auto;touch-action:none;margin-bottom:2px}.wheel-face{width:100%;height:100%;position:relative;border-radius:50%;transform:rotate(var(--wheel-rot, 0rad));transition:transform .04s linear}.wheel .rim{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:11px solid rgba(22,27,34,.9);box-shadow:inset 0 0 0 2px #ffffff1f,0 6px 18px #0006;background:radial-gradient(circle at 50% 45%,rgba(255,255,255,.06),transparent 60%)}.wheel .spoke{position:absolute;background:#1e242ceb;border-radius:4px}.wheel .spoke.h{left:12%;right:12%;top:calc(50% - 5px);height:10px}.wheel .spoke.v{top:50%;bottom:12%;left:calc(50% - 5px);width:10px}.wheel .hub{position:absolute;left:50%;top:50%;width:30%;height:30%;transform:translate(-50%,-50%);border-radius:50%;background:#262d37f2;border:1px solid rgba(255,255,255,.14)}.wheel .top-mark{position:absolute;left:50%;top:6px;width:14px;height:5px;transform:translate(-50%);border-radius:3px;background:var(--accent)}.screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;overflow-y:auto;background:linear-gradient(180deg,#0d1117,#131b26 60%,#0d1117);padding:calc(22px + env(safe-area-inset-top)) 18px calc(24px + env(safe-area-inset-bottom))}.menu-head{position:relative;margin-bottom:16px}.menu-head h1{font-size:26px;font-weight:800;letter-spacing:-.01em}.menu-head p{margin-top:5px;font-size:13px;color:var(--text-dim)}.chip.lang{position:absolute;right:0;top:0;min-width:0}.lesson-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:start}@media (max-width: 640px){.lesson-list{grid-template-columns:1fr}}.lesson-card{display:block;width:100%;text-align:left;padding:11px 14px;border-radius:16px;border:1px solid var(--glass-line);background:#ffffff0d;color:#fff}.lesson-card.cleared{border-left:3px solid var(--accent)}.lesson-card .row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.lesson-card h3{font-size:16px;font-weight:700}.lesson-card .badge{font-size:11px;color:var(--accent);font-weight:700}.lesson-card p{margin-top:4px;font-size:12.5px;color:var(--text-dim);line-height:1.4}.lesson-card .tip{margin-top:7px;font-size:11.5px;color:#39d17de6;border-left:2px solid rgba(57,209,125,.55);padding-left:7px}.result-card{max-width:420px;margin:6vh auto 0;padding:22px 18px;border-radius:20px;background:#ffffff0d;border:1px solid var(--glass-line);text-align:center}.verdict{font-size:28px;font-weight:800;letter-spacing:.04em}.verdict.pass{color:var(--accent)}.verdict.fail{color:var(--danger)}.reason{margin-top:6px;font-size:13px;color:var(--text-dim)}.result-score{margin:16px 0 4px}.result-score b{font-size:46px;font-variant-numeric:tabular-nums}.result-score small{font-size:12px;color:var(--text-dim);margin-left:4px}.result-rows{margin:12px 0 18px;display:flex;flex-direction:column;gap:5px}.result-rows .row{display:flex;justify-content:space-between;font-size:13px;color:var(--text-dim);padding:5px 2px;border-bottom:1px solid rgba(255,255,255,.07)}.result-actions{display:flex;gap:8px;justify-content:center}.result-actions .btn{flex:1}@media (max-height: 560px){.side-left{top:78px;bottom:auto;transform:none;flex-direction:row;align-items:flex-start;gap:10px}#steer-diagram{width:104px;height:104px}.side-right{top:62px;bottom:auto;transform:none;gap:5px}.gear-stack{flex-direction:row;gap:2px}.gear{width:40px;height:30px;font-size:14px}.side-right .chip{padding:6px 9px;font-size:11px;min-width:52px}.hud-top{top:8px}.hud-top .objective{max-width:46%;font-size:12px}}#rotate-gate{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:none;align-items:center;justify-content:center;background:#0d1117;padding:24px;text-align:center}.rotate-card{max-width:320px}.rotate-card h2{font-size:20px;font-weight:800;margin-bottom:8px}.rotate-card p{font-size:13.5px;color:var(--text-dim);line-height:1.5}.rotate-icon{width:84px;height:54px;margin:0 auto 18px;border:3px solid var(--accent);border-radius:9px;position:relative;animation:rotate-hint 2.4s ease-in-out infinite}.rotate-icon span{position:absolute;left:50%;top:50%;width:26px;height:3px;transform:translate(-50%,-50%);background:#ffffff80;border-radius:2px}@keyframes rotate-hint{0%,40%{transform:rotate(90deg) scale(.86)}60%,to{transform:rotate(0) scale(1)}}@media (orientation: portrait) and (max-width: 900px){#rotate-gate{display:flex}#hud,#menu-screen,#result-screen{visibility:hidden}}body.first-person .objective{max-width:27%;font-size:11px;padding:6px 9px}body.first-person .objective .progress{display:none}