*{box-sizing:border-box;margin:0;padding:0}
:root{--purple:#4A1A63;--purple-soft:#6B3A85;--amber:#FFC42E;--orange:#FF7A2F;--orange-dark:#D95B17;--teal:#2FAFAF;--teal-dark:#147D7D;--cream:#FFF7EA;--paper:#FFFCF5;--ink:#331445;--muted:#715E78;--white:#fff;--line:#E4CFB2;--green:#2E8B57;--road:#3F4650;--road-line:#F6D365;--sky:#BDE9F4;--font:ui-rounded,"SF Pro Rounded",Nunito,Quicksand,"Hiragino Maru Gothic ProN","Trebuchet MS",system-ui,sans-serif}
html,body{min-height:100%;font-family:var(--font);color:var(--ink);background:var(--cream)}
body{min-height:100vh;min-height:100dvh;overflow:hidden;background-image:radial-gradient(circle at 10px 10px,rgba(47,175,175,.12) 2px,transparent 2px);background-size:28px 28px}
button,input{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible{outline:4px solid var(--amber);outline-offset:3px}
#app,.screen{min-height:100vh;min-height:100dvh}.screen{display:none}.screen.active{display:flex}.hidden{display:none!important}
.menu-screen{flex-direction:column;align-items:center;overflow-y:auto;padding:18px 16px 30px}.brand-mark{width:100px;height:auto}.eyebrow{color:var(--teal-dark);font-size:.78rem;font-weight:900;letter-spacing:.12em}.menu-screen h1{margin-top:6px;font-size:2.35rem;text-align:center;letter-spacing:0}.tagline{max-width:500px;margin:10px 0 18px;color:var(--muted);font-size:1.08rem;line-height:1.5;text-align:center}.rule-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;max-width:680px;margin-bottom:22px}.rule-strip span{padding:8px 11px;border:2px solid var(--teal);border-radius:8px;background:var(--white);font-size:.9rem;font-weight:800}.menu-buttons{display:grid;gap:14px;width:min(350px,92vw)}
.big-btn{min-height:56px;border:0;border-radius:8px;padding:10px 18px;color:var(--white);background:var(--orange);box-shadow:0 5px 0 var(--orange-dark);font-size:1.08rem;font-weight:900;cursor:pointer}.big-btn:active{transform:translateY(3px);box-shadow:0 2px 0 var(--orange-dark)}.big-btn.ghost{color:var(--purple);background:var(--white);box-shadow:0 5px 0 var(--line)}.big-btn.reset-btn{background:var(--purple-soft);box-shadow:0 5px 0 var(--purple)}.portal-link{display:inline-flex;align-items:center;min-height:44px;margin-top:22px;padding:10px 18px;border-radius:999px;color:var(--purple);background:var(--white);font-weight:800;text-decoration:none;box-shadow:0 2px 8px rgba(51,20,69,.12)}.build{margin-top:10px;color:var(--muted);font-size:.75rem}
.menu-header{display:grid;grid-template-columns:48px 1fr 48px;align-items:center;width:min(720px,100%);margin-bottom:12px;text-align:center}.menu-header h2{font-size:1.75rem}.header-spacer{width:48px}.icon-btn,.repeat-btn{display:grid;place-items:center;min-width:46px;min-height:46px;border:2px solid var(--line);border-radius:8px;color:var(--purple);background:var(--white);font-size:1.2rem;font-weight:900;cursor:pointer}.map-progress{margin-bottom:18px;color:var(--muted);font-weight:800}.level-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(720px,100%);padding-bottom:28px}.stage-heading{grid-column:1/-1;margin-top:10px;padding-bottom:5px;border-bottom:3px solid var(--amber);font-size:1.05rem}.level-card{display:grid;grid-template-columns:34px 46px 1fr 30px;align-items:center;gap:8px;min-height:86px;border:2px solid var(--line);border-radius:8px;padding:10px;color:var(--ink);background:var(--white);text-align:left;box-shadow:0 3px 0 var(--line);cursor:pointer}.level-card:not(:disabled):active{transform:translateY(2px);box-shadow:0 1px 0 var(--line)}.level-card:disabled{opacity:.58;cursor:not-allowed}.level-number{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;color:var(--white);background:var(--purple);font-weight:900}.level-icon{font-size:1.9rem}.level-copy{display:grid;gap:3px;min-width:0}.level-copy strong{font-size:1rem}.level-copy span{overflow:hidden;color:var(--muted);font-size:.78rem;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.level-state{font-size:1.2rem}
.game-screen{flex-direction:column;overflow-y:auto;background:var(--paper)}.game-header{display:grid;grid-template-columns:48px 1fr 48px;align-items:center;gap:10px;min-height:66px;padding:9px 14px;color:var(--white);background:var(--purple)}.level-heading{display:grid;text-align:center}.level-heading span{color:var(--amber);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.level-heading strong{font-size:1.08rem}.game-header .icon-btn{border-color:rgba(255,255,255,.35);color:var(--white);background:rgba(255,255,255,.12)}
.road-scene{position:relative;flex:0 0 310px;overflow:hidden;background:var(--sky);isolation:isolate}.weather{position:absolute;z-index:8;top:8px;left:10px;max-width:70%;padding:5px 9px;border-radius:7px;background:rgba(255,255,255,.88);font-size:.76rem;font-weight:900}.building-row{position:absolute;top:42px;left:0;display:flex;align-items:end;justify-content:space-around;width:100%;font-size:2.3rem}.far-footpath,.near-footpath{position:absolute;z-index:4;left:0;width:100%;height:50px;background:repeating-linear-gradient(90deg,#DDD4C8 0 42px,#C9BFB3 42px 44px)}.far-footpath{top:94px;border-bottom:5px solid #F0F0E7}.near-footpath{bottom:0;border-top:5px solid #F0F0E7}.safe-zone,.edge-line{position:absolute;padding:4px 8px;border-radius:5px;font-size:.66rem;font-weight:900;letter-spacing:.08em}.safe-zone{top:12px;right:12px;color:#185A35;background:#DFF3E6}.edge-line{top:8px;left:50%;transform:translateX(-50%);color:#7A3D00;background:var(--amber)}.road-surface{position:absolute;z-index:2;top:144px;bottom:50px;width:100%;overflow:hidden;background:var(--road)}.road-surface::after{content:"";position:absolute;top:50%;left:0;width:100%;border-top:4px dashed var(--road-line)}.road-marking.zebra{position:absolute;z-index:2;top:0;bottom:0;left:50%;width:84px;transform:translateX(-50%);background:repeating-linear-gradient(0deg,transparent 0 10px,#F6F3E8 10px 20px)}.vehicle{position:absolute;z-index:3;font-size:2.15rem;filter:drop-shadow(0 3px 1px rgba(0,0,0,.25));animation:drive-right 6s linear infinite}.vehicle-one{top:5px;left:-60px}.vehicle-two{right:-60px;bottom:5px;transform:scaleX(-1);animation-name:drive-left;animation-duration:7s}.vehicle-three{top:4px;left:-80px;animation-delay:3s;animation-duration:9s}.traffic-stopped .vehicle{animation-play-state:paused}.traffic-stopped .road-surface::before{content:"✋ TRAFFIC STOPPED";position:absolute;z-index:7;top:50%;left:50%;transform:translate(-50%,-50%);padding:7px 10px;border:3px solid var(--purple);border-radius:7px;color:var(--purple);background:var(--amber);font-size:.72rem;font-weight:900;white-space:nowrap}.child{position:absolute;z-index:10;bottom:4px;left:calc(50% - 20px);font-size:2.3rem;transform-origin:center}.child.crossing{animation:cross-road 1.2s ease-in-out forwards}.child.ready{animation:ready-bounce .8s ease-in-out forwards}.signal{position:absolute;z-index:9;top:102px;left:calc(50% + 52px);display:grid;place-items:center;width:58px;padding:5px;border:3px solid #252A30;border-radius:7px;color:var(--white);background:#252A30;font-size:.58rem;text-align:center}.signal-light{width:20px;height:20px;margin-bottom:3px;border:2px solid var(--white);border-radius:50%;background:#D84444}.signal.walk .signal-light{background:#39A861}.signal strong{letter-spacing:.04em}.night{background:#38456E}.night .building-row{filter:brightness(.8)}.night::after{content:"✦  ·  ✦    ·   ✦";position:absolute;top:12px;right:18px;color:#FFF4A6}.rain::after{content:"||||||||||||||||||||||||||||";position:absolute;z-index:7;inset:0;color:rgba(255,255,255,.5);font-size:2rem;letter-spacing:12px;transform:rotate(18deg);pointer-events:none}.travel-scene .child{font-size:3.2rem}.travel-scene .vehicle{display:none}
.challenge-panel{display:flex;flex:1;flex-direction:column;align-items:center;padding:14px 14px 24px;background:var(--paper)}.instruction-row{display:grid;grid-template-columns:1fr 46px;align-items:center;gap:10px;width:min(760px,100%);margin-bottom:10px}.instruction-row p{font-size:1.08rem;font-weight:900;line-height:1.35;text-align:center}.repeat-btn{color:var(--teal-dark)}.step-tray{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;width:min(760px,100%);margin:2px 0 11px}.step-slot{display:grid;place-items:center;min-width:45px;min-height:42px;border:2px dashed var(--line);border-radius:7px;padding:5px;color:var(--muted);background:var(--white);font-size:.72rem;font-weight:800}.step-slot.filled{border-style:solid;border-color:var(--teal);color:var(--ink);background:#E7F7F5}.answer-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:min(760px,100%)}.answer-btn{display:grid;grid-template-columns:44px 1fr;align-items:center;gap:8px;min-height:70px;border:2px solid var(--purple-soft);border-radius:8px;padding:8px 10px;color:var(--ink);background:var(--white);box-shadow:0 4px 0 #C9B4D4;text-align:left;cursor:pointer}.answer-btn span{font-size:1.65rem;text-align:center}.answer-btn strong{font-size:.9rem;line-height:1.2}.answer-btn:not(:disabled):active{transform:translateY(3px);box-shadow:0 1px 0 #C9B4D4}.answer-btn:disabled{opacity:.6;cursor:default}.status-text{min-height:48px;width:min(760px,100%);margin-top:12px;color:var(--teal-dark);font-size:.95rem;font-weight:900;line-height:1.35;text-align:center}.needs-check+.challenge-panel .status-text{color:#8A4200}
.safe-zone{left:12px;right:auto}.edge-line{right:12px;left:auto;transform:none}
.overlay{position:fixed;z-index:50;inset:0;display:grid;place-items:center;padding:18px;background:rgba(51,20,69,.72)}.dialog-card{width:min(430px,100%);max-height:90vh;overflow-y:auto;border:4px solid var(--amber);border-radius:8px;padding:24px;color:var(--ink);background:var(--paper);box-shadow:0 12px 35px rgba(0,0,0,.28);text-align:center}.dialog-card h2{font-size:1.65rem}.dialog-card p{margin:12px 0 20px;color:var(--muted);line-height:1.5}.complete-badge{font-size:3.5rem;animation:ready-bounce .8s ease-in-out}.dialog-buttons{display:grid;gap:12px}.setting-row{display:flex;align-items:center;gap:12px;min-height:56px;margin:14px 0;border:2px solid var(--line);border-radius:8px;padding:10px 14px;background:var(--white);font-weight:900;text-align:left}.setting-row input{width:26px;height:26px;accent-color:var(--teal-dark)}
@keyframes drive-right{from{transform:translateX(-80px)}to{transform:translateX(calc(100vw + 180px))}}@keyframes drive-left{from{transform:scaleX(-1) translateX(-80px)}to{transform:scaleX(-1) translateX(calc(100vw + 180px))}}@keyframes cross-road{0%{bottom:4px;transform:scale(1)}45%{bottom:132px;transform:scale(.9)}100%{bottom:226px;transform:scale(.82)}}@keyframes ready-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@media(max-width:620px){.menu-screen h1{font-size:1.85rem}.brand-mark{width:82px}.level-grid{grid-template-columns:1fr}.road-scene{flex-basis:270px}.building-row{top:39px;font-size:1.9rem}.far-footpath{top:84px}.road-surface{top:134px}.signal{top:93px}.answer-buttons{grid-template-columns:1fr}.answer-btn{min-height:58px}.challenge-panel{padding-top:10px}.step-slot{flex:1 1 30%;min-width:95px}.child.crossing{animation-name:cross-road-mobile}@keyframes cross-road-mobile{0%{bottom:4px;transform:scale(1)}45%{bottom:112px;transform:scale(.9)}100%{bottom:196px;transform:scale(.82)}}}
@media(max-height:700px) and (min-width:621px){.road-scene{flex-basis:250px}.building-row{top:28px}.far-footpath{top:64px}.road-surface{top:114px}.signal{top:72px}.answer-btn{min-height:58px}.challenge-panel{padding-top:9px}}
@media(prefers-reduced-motion:reduce){.vehicle{animation-duration:18s}.child.crossing,.child.ready,.complete-badge{animation-duration:.01ms}}