:root{--game-primary: #e67858;--game-mint: #78b9a8;--game-ink: #234658;--game-accent: #f3b844;--game-danger: #d95f5f;--game-surface: #fffdf8;--game-radius: 22px }*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden;background:#f4f8f4;color:var(--game-ink);font-family:Arial,Helvetica,sans-serif}#game-canvas{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;touch-action:pan-y}.screen,.hud,.tutorial,.countdown,.sound,.float-layer,.impact{position:fixed;z-index:2}.screen{top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:calc(20px + env(safe-area-inset-top)) 22px calc(20px + env(safe-area-inset-bottom));text-align:center;background:linear-gradient(155deg,#fffdf9ec,#eaf4efdc)}.screen.start{background:linear-gradient(160deg,#fffdf9e8,#e8f3edbd)}.hidden{display:none!important}.loading-mark,.finish-badge{width:58px;height:58px;border-radius:20px;display:grid;place-items:center;background:var(--game-mint);color:#fff;font-weight:900;font-size:22px;box-shadow:0 8px #5a9688;margin-bottom:18px}.loading b{font-size:21px;letter-spacing:.13em}.bar{width:210px;height:9px;border-radius:20px;background:#dde9e3;overflow:hidden}.bar i{display:block;width:0;height:100%;background:var(--game-mint);transition:width .2s ease}.hero-cart{position:relative;font-size:74px;line-height:1;filter:drop-shadow(0 13px 8px #71938b55);animation:floaty 2.3s ease-in-out infinite}.hero-cart i,.hero-cart em{position:absolute;font-size:17px;color:var(--game-accent);font-style:normal}.hero-cart i{top:-2px;right:-13px}.hero-cart em{bottom:0;left:-5px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.18em;color:#6f9991;margin:12px 0 4px}h1,h2{margin:0;font-weight:900;letter-spacing:.015em}h1 small{display:block;font-size:18px;letter-spacing:.13em;color:#457d8c}h1{font-size:clamp(48px,15vw,70px);font-style:italic;line-height:.86;color:var(--game-primary);text-shadow:0 4px #f8d6c8}.hero-copy{line-height:1.5;font-size:16px;margin:25px 0 13px}.swipe{font-size:11px;font-weight:700;letter-spacing:.05em;color:#527987;margin-bottom:24px}.swipe span{color:var(--game-primary);font-size:22px;vertical-align:middle}.primary,.secondary{width:min(100%,330px);min-height:54px;border:0;border-radius:17px;font-size:15px;font-weight:900;letter-spacing:.05em;cursor:pointer;transition:transform .15s ease,filter .15s}.primary{background:var(--game-primary);color:#fff;box-shadow:0 5px #bb5c44,0 10px 20px #d8775b3b}.primary b{float:right;font-size:20px;line-height:.7}.primary:hover{filter:brightness(1.05)}.primary:active{transform:translateY(4px);box-shadow:0 1px #bb5c44}.primary:focus-visible,.secondary:focus-visible,.sound:focus-visible{outline:3px solid var(--game-accent);outline-offset:3px}.secondary{margin-top:16px;color:#5c8995;background:transparent}.hud{top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:calc(12px + env(safe-area-inset-top)) 14px 0;pointer-events:none}.hud-card{min-width:82px;padding:8px 11px 7px;border:1px solid #ffffff9c;border-radius:14px;background:#fffffff0;box-shadow:0 5px 15px #5f817119;text-align:left}.hud-card span,.hud-card i{display:block;font-size:9px;font-style:normal;font-weight:700;letter-spacing:.1em;color:#6e9290}.hud-card strong{display:block;font-size:25px;line-height:1.1;color:var(--game-ink)}.time{text-align:right}.time .urgent{color:var(--game-danger);animation:tick .6s ease-in-out infinite}.time i{color:var(--game-primary);margin-top:1px}.hud #rush{padding-top:10px;font-size:13px;font-weight:900;color:#e67745;text-shadow:0 1px #fff;animation:rush .55s ease-in-out infinite alternate}.tutorial{left:50%;top:64%;transform:translate(-50%,-50%);padding:11px 15px;border-radius:18px;background:#234658e8;color:#fff;font-size:11px;font-weight:700;letter-spacing:.03em;white-space:nowrap;box-shadow:0 5px 14px #23465844}.tutorial span{font-size:18px}.countdown{top:0;right:0;bottom:0;left:0;z-index:4;display:grid;place-items:center;color:var(--game-primary);font-size:90px;font-weight:900;text-shadow:0 4px 0 #fff,0 10px 20px #9f503244}.count-pop{animation:count .65s cubic-bezier(.18,.89,.32,1.28)}.sound{right:14px;bottom:calc(14px + env(safe-area-inset-bottom));width:46px;height:46px;border:1px solid #fff;border-radius:50%;background:#fffffff2;box-shadow:0 5px 15px #54726b32;font-size:19px}.float-layer{top:0;right:0;bottom:0;left:0;pointer-events:none}.float{position:absolute;left:50%;top:62%;font-weight:900;font-size:27px;color:#459e85;text-shadow:0 2px #fff;animation:score-up .7s cubic-bezier(.2,.7,.25,1) forwards}.float.special{color:#e8a92c;font-size:34px}.impact{top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;border:8px solid #d75e5e80;animation:impact .18s ease-out}.result,.reward{background:linear-gradient(150deg,#eef7f2ef,#fff7ebed);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.result-card,.reward-card{width:min(100%,340px);padding:24px 22px;border:1px solid #fff;border-radius:28px;background:var(--game-surface);box-shadow:0 14px 32px #44675b29}.finish-badge{margin:0 auto 13px;background:var(--game-accent);box-shadow:0 7px #d6a13a}.result h2,.reward h2{font-size:27px;color:var(--game-ink)}#final-score{display:block;margin-top:11px;font-size:64px;line-height:.9;color:var(--game-primary);letter-spacing:-.05em}.score-caption{font-size:11px;font-weight:700;letter-spacing:.2em;color:#70958f}.stats{display:flex;gap:8px;margin:22px 0}.stats p{flex:1;margin:0;padding:9px 4px;border-radius:13px;background:#f0f6f2}.stats b,.stats span{display:block}.stats b{font-size:15px}.stats span{margin-top:4px;font-size:8px;font-weight:700;color:#7c9c98}.gift{font-size:66px;animation:gift 1.5s ease-in-out infinite}.reward-card h3{margin:8px;color:#cf8540}code{display:block;margin:14px 0 22px;padding:10px;border-radius:11px;background:#fff3d0;color:#9a662d;font-size:20px;font-weight:700;letter-spacing:.08em}@keyframes floaty{50%{transform:translateY(-8px) rotate(-2deg)}}@keyframes score-up{0%{opacity:0;transform:scale(.55)}30%{opacity:1;transform:scale(1.15)}to{opacity:0;transform:translateY(-76px) scale(.9)}}@keyframes count{0%{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}@keyframes tick{50%{transform:scale(1.12)}}@keyframes rush{to{transform:scale(1.08);color:#d75942}}@keyframes impact{to{opacity:0;border-width:18px}}@keyframes gift{50%{transform:rotate(-6deg) scale(1.07)}}@media (max-height:650px){.hero-cart{font-size:54px}.hero-copy{margin:15px 0 7px}.swipe{margin-bottom:13px}.result-card,.reward-card{transform:scale(.9)}}@media (orientation:landscape) and (max-height:500px){.screen{padding:8px}.screen:after{content:"Trải nghiệm tốt nhất ở màn hình dọc";font-size:10px;margin-top:5px}.hero-cart{display:none}.result-card,.reward-card{transform:scale(.78)}}html,body{width:100%;min-height:100%;overflow-x:hidden;background:#243840}#app{position:relative;container-type:inline-size;width:min(100%,500px);height:100vh;height:100dvh;margin:0 auto;overflow:hidden;background:#f4f8f4;box-shadow:0 0 45px #0004;touch-action:pan-y}.start .card{width:calc(100% - 20px);max-width:464px;padding-left:8px;padding-right:8px;overflow:visible}.start h1{width:100%;max-width:100%;font-size:clamp(34px,11cqw,52px);line-height:.9;white-space:nowrap}@supports not (font-size: 1cqw){.start h1{font-size:clamp(34px,10vw,52px)}}#game-canvas,#ui{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}#game-canvas{touch-action:pan-y}.screen,.hud,.tutorial,.countdown,.sound,.float-layer,.impact{position:absolute}@media (orientation:landscape) and (max-height:500px){#app{width:min(100%,620px)}}.hud #combo:empty{display:none}.hud{padding:calc(13px + env(safe-area-inset-top)) 15px 0;align-items:flex-start}.hud-card{display:flex;align-items:center;gap:8px;min-width:0;padding:8px 13px 8px 9px;border:3px solid #9edfff;border-radius:21px;background:linear-gradient(145deg,#276da7,#123d72);box-shadow:inset 0 2px #fff6,0 5px #0d305c,0 9px 18px #173d684d;color:#fff}.hud-card i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#f7c33d;color:#fff;font-size:25px;font-style:normal;text-shadow:0 2px #bd7f20}.distance-card i{background:#ee6f89;font-size:18px}.hud-card span{display:block;color:#d8f2ff;font-size:10px;font-weight:900;letter-spacing:.06em}.hud-card strong{display:block;color:#fff;font-size:25px;line-height:1.05;letter-spacing:-.04em}.hud #combo{position:absolute;top:calc(72px + env(safe-area-inset-top));left:18px;padding:6px 12px;border:2px solid #ffd266;border-radius:17px;background:#634424;color:#fff6bf;font-size:13px;font-weight:900;text-shadow:0 1px #49351c}.tutorial{top:auto;bottom:calc(24px + env(safe-area-inset-bottom));display:flex;align-items:center;justify-content:center;gap:24px;width:calc(100% - 76px);padding:10px 14px;border-radius:28px;background:#213d53d9;color:#fff;box-shadow:0 5px 16px #17324755}.tutorial b{font-size:30px}.tutorial span{font-size:28px}.tutorial small{position:absolute;bottom:5px;font-size:9px;font-weight:900;letter-spacing:.04em}.tutorial{padding-bottom:21px}.sound{width:48px;height:48px;border:2px solid #fff;background:#254c80;color:#fff;box-shadow:0 4px #152f58}.impact{border-color:#e65e5e88}