/* RuleShift — Zumi's Grade 6 world-building math game */
.rs{--rs-purple:#7956cf;--rs-ink:#342449;--rs-muted:#786b8c;--rs-stroke:#e8def7;max-width:1040px;margin:0 auto 55px;color:var(--rs-ink);font-family:inherit}
.rs *{box-sizing:border-box}
.rs-back{display:inline-flex;margin:0 0 16px;color:#7956cf;font-size:13px;font-weight:800;text-decoration:none}
.rs-back:hover{text-decoration:underline}
.rs-hero{position:relative;display:flex;align-items:center;justify-content:space-between;overflow:hidden;min-height:228px;border:1px solid #e8dcf9;border-radius:28px;padding:31px 46px;background:radial-gradient(circle at 86% 15%,#e5d7fd 0,transparent 45%),linear-gradient(120deg,#fff,#f7f1ff)}
.rs-hero-copy{position:relative;z-index:1}
.rs-eyebrow{font-size:11px;color:#7b58c3;letter-spacing:1.4px;font-weight:900}
.rs-hero h1{font-weight:900;font-size:clamp(42px,7vw,72px);letter-spacing:-3.5px;line-height:1.05;margin:16px 0 10px}
.rs-name{background:linear-gradient(120deg,#4c3976,#8659d1);background-clip:text;-webkit-background-clip:text;color:transparent}
.rs-h1-star{font-size:.45em;color:#b18cdd;vertical-align:top}
.rs-hero p{font-size:18px;color:#52446a;font-weight:800;margin:0 0 12px}
.rs-hero-note{font-size:13px;color:#81748d;line-height:1.5}
.rs-hero-art{width:230px;height:180px;position:relative;flex:0 0 230px;display:grid;place-items:center}
.rs-emblem{display:grid;place-items:center;width:115px;height:115px;border-radius:33px;background:linear-gradient(140deg,#a185eb,#6d4cba);color:#fff;font-size:78px;font-weight:900;transform:rotate(-12deg);box-shadow:0 13px 26px #7657b04a}
.rs-ring{position:absolute;border-radius:50%;border:1px dashed #ba9fed;inset:3px 14px;transform:rotate(-15deg)}
.rs-ring-two{inset:27px -15px;transform:rotate(28deg)}
.rs-float{position:absolute;background:#fff;box-shadow:0 7px 15px #7350a222;padding:7px 10px;border-radius:11px;font-size:16px;font-weight:900;color:#6f4caf}
.rs-float-a{top:8px;left:10px;transform:rotate(-10deg)}
.rs-float-b{right:-12px;top:22px;color:#36a88e;transform:rotate(15deg)}
.rs-float-c{bottom:5px;right:20px;color:#e19050;transform:rotate(-5deg)}
.rs-section-title{font-size:22px;letter-spacing:-.6px;margin:33px 0 17px;color:#403055}
.rs-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.rs-mode,.rs-race-box,.rs-world-card,.rs-worlds-panel,.rs-play-card,.rs-leaderboard,.rs-race-lobby{background:#fff;border:1px solid var(--rs-stroke);border-radius:22px;box-shadow:0 10px 28px #7956cf0b}
.rs-mode{display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:25px}
.rs-mode-icon{width:51px;height:51px;display:grid;place-items:center;border-radius:15px;background:#f3ebff;font-size:27px}
.rs-tag,.rs-step{display:inline-block;border-radius:999px;background:#f0e8ff;color:#7051b7;font-size:10px;font-weight:900;letter-spacing:.9px;padding:7px 10px}
.rs-mode h3{font-size:21px;letter-spacing:-.5px;margin:0}
.rs-mode p{font-size:13px;color:var(--rs-muted);line-height:1.65;margin:0;flex:1}
.rs-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;text-align:center;white-space:normal;font-family:inherit;font-size:13px;font-weight:800;line-height:1.2;border-radius:13px;padding:13px 18px;min-height:46px;cursor:pointer;text-decoration:none;transition:transform .16s,background .16s}
.rs-btn:hover:not(:disabled){transform:translateY(-2px)}
.rs-btn:disabled{opacity:.48;cursor:not-allowed}
.rs-btn:focus-visible,.rs input:focus-visible,.rs select:focus-visible,.rs summary:focus-visible{outline:3px solid #a284e9;outline-offset:3px}
.rs-btn-primary{background:#7956cf;color:#fff;box-shadow:0 7px 18px #7956cf25}
.rs-btn-primary:hover:not(:disabled){background:#6942c4}
.rs-btn-soft{background:#f0e9fc;color:#6844ae}
.rs-btn-soft:hover:not(:disabled){background:#e5d8fa}
.rs-mode .rs-btn{width:100%}
.rs-world-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.rs-world-card{text-decoration:none;display:flex;align-items:center;gap:13px;padding:16px;color:#403053;transition:transform .15s,border-color .15s}
.rs-world-card:hover{transform:translateY(-2px);border-color:#b9a1eb}
.rs-world-emoji{font-size:25px;display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:#f3edfc}
.rs-world-card span:nth-child(2){flex:1}
.rs-world-card strong{display:block;font-size:14px}
.rs-world-card small{display:block;color:#8a7e99;margin-top:4px;font-size:11px}
.rs-world-arrow{font-size:20px;color:#9678d2}
.rs-race-lobby{margin:29px 0 22px;padding:clamp(18px,3.5vw,34px);scroll-margin-top:24px}
.rs-race-title{display:flex;gap:15px;align-items:center;margin-bottom:21px}
.rs-race-title h2{margin:4px 0 6px;font-size:27px}
.rs-race-title p{margin:0;font-size:13px;color:var(--rs-muted)}
.rs-race-icon{width:60px;height:60px;display:grid;place-items:center;font-size:27px;border-radius:18px;background:#f0e8ff}
.rs-race-forms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.rs-race-box{padding:23px;background:#fcfaff;box-shadow:none}
.rs-race-box h3{font-size:21px;margin:11px 0 17px;letter-spacing:-.4px}
.rs-race-box label:not(.rs-avatar-choice label){display:block;font-size:12px;font-weight:800;color:#685778;margin:12px 0 5px}
.rs input:not([type=radio]),.rs select{display:block;width:100%;padding:12px 14px;border-radius:12px;border:1px solid #dcd0f1;background:#fff;color:#342449;font:500 14px/1.4 inherit}
.rs-race-box p{font-size:12px;color:#7b6f8b;line-height:1.6}
.rs-race-box .rs-safety{color:#775c95}
.rs-avatar-choice{display:flex;gap:6px;flex-wrap:wrap;margin:13px 0}
.rs-avatar-choice label{display:grid;place-items:center;gap:3px;border:2px solid #e9def8;border-radius:12px;background:#fff;padding:3px;cursor:pointer}
.rs-avatar-choice label:has(input:checked){background:#efe8fb;border-color:#7956cf}
.rs-avatar-choice img{width:42px;height:42px;object-fit:contain}
.rs-avatar-choice input{accent-color:#7956cf}
.rs-btn-google{background:#7956cf;color:white;padding:13px 22px;white-space:nowrap;box-shadow:0 6px 16px #7956cf20}
.rs-btn-google:hover{background:#6540b8}
.rs-message{margin:12px 0;font-weight:750}
.rs-error{color:#b94f6b}
.rs-play-layout{display:grid;grid-template-columns:225px minmax(0,1fr);gap:20px;margin-top:23px}
.rs-worlds-panel{padding:18px;align-self:start;position:sticky;top:18px}
.rs-worlds-panel[hidden]{display:none}
.rs-worlds-panel h2{font-size:16px;margin:0 0 5px}
.rs-worlds-panel>p{font-size:12px;color:var(--rs-muted)}
.rs-world-option{display:flex;gap:10px;align-items:center;width:100%;text-align:left;margin:5px 0;padding:11px 9px;background:transparent;border:1px solid transparent;border-radius:12px;color:#655674;font-family:inherit;font-size:12px;font-weight:800;line-height:1.3;cursor:pointer}
.rs-world-option:hover,.rs-world-option.active{background:#f4edff;color:#7651c5;border-color:#eadcfc}
.rs-world-option span{font-size:22px}
.rs-world-option small{display:block;color:#9383a5;font-weight:500;margin-top:4px}
.rs-progress-card{background:linear-gradient(125deg,#e9ddff,#f4f0fe);border-radius:14px;padding:18px 13px;margin-top:20px}
.rs-progress-card span{display:block;font-size:10px;letter-spacing:.8px;color:#775a9f;font-weight:900}
.rs-progress-card strong{display:block;margin:6px 0;font-size:31px;color:#63419e}
.rs-progress-card small{font-size:11px;color:#806c95}
.rs-play-top{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-bottom:13px}
.rs-play-top>span:last-child{font-size:12px;color:#8b789e;font-weight:800}
.rs-play-card{padding:clamp(20px,4vw,33px)}
.rs-play-card h2,.rs-play-card h3{font-size:clamp(23px,3.2vw,31px);letter-spacing:-.8px;margin:0 0 12px}
.rs-story{font-size:15px;color:#776987;line-height:1.7;margin:0 0 23px}
.rs-machine{background:linear-gradient(135deg,#f5f0ff,#ecf5ff);border:1px solid #e8dffc;border-radius:19px;padding:17px;margin:21px 0}
.rs-machine-meta{display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:.6px;font-weight:900;color:#8a72af}
.rs-stage{display:flex;align-items:center;justify-content:center;gap:22px;min-height:190px;padding:22px 12px}
.rs-stage-core{position:relative;display:grid;place-items:center;flex:0 0 95px;width:95px;height:95px;background:linear-gradient(145deg,#ad8ceb,#6a4dbb);box-shadow:0 13px 32px #7f5bb33c;color:#fff;border-radius:27px;transform:rotate(-6deg)}
.rs-stage-core>span{font-size:42px;z-index:1;transform:rotate(6deg)}
.rs-stage-halo{position:absolute;inset:-11px;border:1px dashed #a588de;border-radius:32px}
.rs-visualization{width:min(100%,360px);display:grid;gap:9px}
.rs-meter{display:flex;overflow:hidden;height:28px;border-radius:9px;background:#ddcdfb}
.rs-meter>span{display:block;background:linear-gradient(90deg,#7956cf,#aa89ea);transition:width .12s}
.rs-meter>span+span{background:linear-gradient(90deg,#f0aa6a,#e7c47d)}
.rs-stage-reading{font-size:14px;font-weight:800;color:#69568a}
.rs-signal-track{height:10px;background:#e1d8f4;border-radius:999px;overflow:hidden}
.rs-signal-bar{height:100%;background:linear-gradient(90deg,#9571d7,#48baa8);transition:width .15s}
.rs-map-grid{position:relative;aspect-ratio:1;width:145px;margin:auto;background:linear-gradient(#b6a3d01f 1px,transparent 1px),linear-gradient(90deg,#b6a3d01f 1px,transparent 1px);background-size:calc(100% / 6) calc(100% / 6);border:1px solid #b5a5d4;border-radius:9px}
.rs-map-grid:before,.rs-map-grid:after{content:"";position:absolute;background:#7b68a0}
.rs-map-grid:before{height:2px;top:50%;left:0;right:0}.rs-map-grid:after{width:2px;left:50%;top:0;bottom:0}
.rs-map-pin{position:absolute;width:17px;height:17px;border:3px solid white;background:#7956cf;border-radius:50%;box-shadow:0 3px 9px #63518a54;transform:translate(-50%,-50%);z-index:2;transition:all .18s}
.rs-shape-preview{height:135px;max-width:240px;min-width:35px;background:linear-gradient(130deg,#e6d7ff,#9d76e5);border:3px solid #7859b6;border-radius:6px;margin:auto;transition:all .15s;display:grid;place-items:center;color:#fff;font-size:20px;font-weight:900}
.rs-data-bars{display:flex;align-items:end;gap:11px;height:125px;justify-content:center}
.rs-data-bars>div{min-width:25px;max-width:44px;width:18%;background:linear-gradient(#aa90ed,#7356c5);border-radius:8px 8px 0 0;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:900}
.rs-machine-reading{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ddd4ed;padding-top:11px;gap:13px}
.rs-machine-reading span{font-size:11px;color:#786499;font-weight:900}
.rs-machine-reading strong{font-size:22px;color:#5d409c;font-variant-numeric:tabular-nums}
.rs-controls{display:grid;gap:20px;margin:22px 0}
.rs-control{background:#fbf9ff;border:1px solid #eae0f7;border-radius:15px;padding:16px}
.rs-control-head{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#604d7e;font-size:13px;font-weight:800}
.rs-control-output{display:flex;gap:8px;align-items:center}
.rs-control-number{width:76px!important;min-width:0;text-align:center!important;font-weight:850!important;border-radius:9px!important;padding:8px!important}
.rs-control input[type=range]{width:100%;margin:18px 0 6px;accent-color:#7956cf;cursor:pointer}
.rs-control-bounds{display:flex;justify-content:space-between;font-size:11px;color:#9c8aaf}
.rs-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.rs-feedback{font-size:14px;font-weight:800;color:#6546ad;min-height:20px;margin:17px 0}
.rs-feedback.is-error{color:#b7526b}
.rs-tip{font-size:12px;color:#78698e;margin:22px 0 0;border-top:1px solid #ede5f7;padding-top:12px}
.rs-tip summary{cursor:pointer;color:#6d4cae;font-weight:800}
.rs-tip p{line-height:1.6}
.rs-levels{display:flex;flex-wrap:wrap;gap:7px;padding:15px 0}
.rs-level{width:34px;height:34px;border:1px solid #e4d8f4;border-radius:10px;color:#725d96;background:#fff;font-weight:800;font-size:12px;cursor:pointer}
.rs-level.active{color:#fff;background:#7956cf;border-color:#7956cf}
.rs-level.done{background:#e6f7f0;border-color:#a8dcc9;color:#287b65}
.rs-level:disabled{opacity:.36;cursor:not-allowed}
.rs-learning-note{font-size:11px;color:#9688a2}
.rs-race-room{display:grid;gap:18px;margin-top:23px}
.rs-race-room-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:22px 26px;background:#fff;border:1px solid var(--rs-stroke);border-radius:22px}
.rs-race-room-head h2{font-size:27px;margin:9px 0;color:#43325e}
.rs-race-room-head p{color:#85748f;font-size:13px}
.rs-pin-card{display:grid;text-align:center;gap:6px;border-radius:17px;background:#f0e8ff;padding:18px;min-width:200px}
.rs-pin-card small{font-size:10px;color:#7852bc;letter-spacing:1px;font-weight:900}
.rs-pin-card strong{color:#6141a9;font-size:35px;letter-spacing:5px;font-variant-numeric:tabular-nums}
.rs-pin-card a{font-size:10px;color:#7651bb}
.rs-race-controls{display:flex;gap:12px}
.rs-leaderboard{padding:24px}
.rs-leaderboard h3{font-size:21px;margin:0 0 7px}
.rs-leaderboard>p{font-size:13px;color:#897f96}
.rs-rank{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid #f0eafa}
.rs-rank:last-child{border:0}
.rs-rank img{width:40px;height:40px;object-fit:contain;background:#f6efff;border-radius:12px}
.rs-rank span{flex:1;font-size:14px;font-weight:750}
.rs-rank small{display:block;font-weight:500;color:#9385a1;font-size:11px}
.rs-rank strong{color:#7b56c6;font-size:14px}
@media(max-width:780px){.rs-play-layout{grid-template-columns:1fr}.rs-worlds-panel{position:static}.rs-worlds-panel #rsWorlds{display:flex;overflow-x:auto;gap:6px}.rs-world-option{min-width:145px}.rs-progress-card{margin-top:9px;padding:11px}.rs-progress-card strong{display:inline;font-size:19px;margin:0 9px}.rs-world-list{grid-template-columns:1fr}.rs-race-forms{grid-template-columns:1fr}.rs-modes{grid-template-columns:1fr}.rs-mode{gap:10px}.rs-mode .rs-btn{width:auto}}
@media(max-width:560px){.rs{margin-bottom:25px}.rs-hero{padding:22px;min-height:180px}.rs-hero-art{position:absolute;right:-50px;opacity:.23;transform:scale(.8)}.rs-hero-copy{max-width:100%}.rs-hero h1{font-size:46px}.rs-hero-note{max-width:220px;display:block}.rs-stage{flex-direction:column;gap:14px;padding:19px 5px}.rs-stage-core{width:70px;height:70px;flex-basis:70px;border-radius:20px}.rs-stage-core>span{font-size:30px}.rs-race-room-head{flex-direction:column;align-items:stretch}.rs-play-card,.rs-leaderboard{padding:17px}.rs-mode{padding:20px}.rs-machine{padding:12px}.rs-race-lobby{padding:17px}.rs-play-card h2{font-size:24px}.rs-actions .rs-btn{flex:1}.rs-control-head{align-items:flex-start}.rs-control-output{flex-direction:column;align-items:end}.rs-control-number{width:66px!important}}
@media(prefers-reduced-motion:reduce){.rs-btn,.rs-world-card,.rs-map-pin,.rs-meter>span,.rs-shape-preview,.rs-signal-bar{transition:none!important}.rs-btn:hover,.rs-world-card:hover{transform:none!important}}


/* RuleShift solo flow: worlds → level map → a focused puzzle page. */
main:has(.rs){max-width:1100px;margin:30px auto 0;padding:0 24px;min-width:0}
.rs,.rs *{min-width:0}
.rs{width:100%;max-width:100%;margin:0 auto 44px}
.rs-solo-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:0 0 18px;color:#8e7b9c;font-size:13px;font-weight:800;line-height:1.5}
.rs-solo-breadcrumb a{color:#7956cf;text-decoration:none;overflow-wrap:anywhere}
.rs-solo-breadcrumb a:hover{text-decoration:underline}
.rs-solo-breadcrumb strong{color:#4c3b62}
.rs-solo-heading{padding:clamp(19px,4vw,35px);border:1px solid #e8dcf8;border-radius:24px;background:radial-gradient(circle at 94% 5%,#e7d9ff 0,transparent 50%),linear-gradient(115deg,#fff,#f7f2ff);margin-bottom:20px}
.rs-solo-heading h1{font-size:clamp(30px,5vw,50px);line-height:1.12;letter-spacing:-1.5px;margin:9px 0 8px;color:#35274e}
.rs-solo-heading h1 span{color:#ac83e5}
.rs-solo-heading p{font-size:14px;line-height:1.6;color:#796d88;margin:0 0 17px}
.rs-solo-summary{display:flex;align-items:center;flex-wrap:wrap;gap:9px}
.rs-solo-summary span{background:#eee6fc;border:1px solid #e5d7f5;color:#6549a8;padding:8px 12px;border-radius:999px;font-size:12px;font-weight:850}
.rs-solo-world-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.rs-solo-world-tile{display:flex;flex-direction:column;gap:14px;min-width:0;text-decoration:none;color:#352746;background:#fff;border:1px solid #e7dff3;border-radius:21px;padding:22px;box-shadow:0 12px 26px #7956cf0c;transition:transform .16s,border-color .16s}
.rs-solo-world-tile:hover{transform:translateY(-2px);border-color:var(--world-accent,#7956cf)}
.rs-solo-world-tile:focus-visible,.rs-solo-level-tile:focus-visible{outline:3px solid #a387ed;outline-offset:3px}
.rs-solo-world-symbol{flex:0 0 auto;display:grid;place-items:center;width:60px;height:60px;border-radius:17px;background:color-mix(in srgb,var(--world-accent,#7956cf) 13%,white);font-size:30px}
.rs-solo-world-name h2{font-size:22px;letter-spacing:-.7px;margin:0 0 6px;color:#3b2d51}
.rs-solo-world-name p{margin:0;font-size:13px;color:#7d718d;line-height:1.5}
.rs-solo-world-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;font-size:12px;color:#79678d;font-weight:750}
.rs-solo-world-foot strong{font-size:20px;color:var(--world-accent,#7956cf)}
.rs-solo-progress-track{height:9px;border-radius:999px;background:#eee7f9;overflow:hidden}
.rs-solo-progress-track span{display:block;height:100%;border-radius:999px;background:var(--world-accent,#9670dd);transition:width .2s}
.rs-solo-levels .rs-solo-heading>.rs-solo-progress-track{margin-top:15px}
.rs-solo-world-heading{display:flex;align-items:center;gap:13px;margin:9px 0}
.rs-solo-world-heading h1{margin:0}
.rs-solo-levels-card{background:#fff;border:1px solid #e9def7;border-radius:22px;padding:clamp(17px,4vw,30px);box-shadow:0 13px 30px #7956cf0b}
.rs-levels-intro h2{font-size:22px;color:#3f305a;margin:0 0 5px}
.rs-levels-intro p{font-size:13px;color:#7c708d;line-height:1.5;margin:0 0 22px}
.rs-solo-level-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.rs-solo-level-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-width:0;min-height:105px;padding:13px 6px;border-radius:16px;text-align:center;text-decoration:none;background:#f5f0fc;border:1px solid #e7d9f9;color:#6a4cb0;transition:transform .16s,border-color .16s}
a.rs-solo-level-tile:hover{transform:translateY(-2px);border-color:#a483e2}
.rs-solo-level-tile.is-next{background:linear-gradient(135deg,#7956cf,#9f75e5);color:#fff;border-color:#7956cf;box-shadow:0 7px 17px #7956cf25}
.rs-solo-level-tile.is-complete{background:#eef9f5;border-color:#bce4d3;color:#277b68}
.rs-solo-level-tile.is-locked{background:#f8f5fa;color:#9c91a7;border-color:#f0eaf4}
.rs-solo-level-num{font-weight:900;font-size:27px;line-height:1}
.rs-solo-level-state{font-size:11px;font-weight:800;white-space:nowrap}
.rs-solo-finished{padding:18px;margin-top:18px;border-radius:14px;background:#ecf8f2;color:#20745d;font-size:13px;font-weight:800}
.rs-solo-return{margin-top:19px}
.rs-focused-play{width:min(100%,790px);margin:0 auto}
.rs-play-crumb{margin:0 0 14px}
.rs-focused-play .rs-play-card{width:100%}

/* Small-screen containment across RuleShift, including race and daily play. */
.rs-hero,.rs-hero-copy,.rs-mode,.rs-world-card,.rs-race-lobby,.rs-race-box,.rs-race-room,
.rs-play-body,.rs-focused-play,.rs-play-card,.rs-machine,.rs-stage,.rs-visualization,
.rs-control,.rs-controls,.rs-world-list,.rs-race-forms,.rs-race-room-head,.rs-rank,
.rs-solo-levels-card{max-width:100%;min-width:0}
.rs-hero h1,.rs-play-card h2,.rs-play-card h3,.rs-story,.rs-mode p,.rs-rank span,.rs-machine-reading strong{overflow-wrap:anywhere}
.rs-machine-meta,.rs-machine-reading{flex-wrap:wrap;gap:8px;min-width:0}
.rs-machine-meta>*,.rs-machine-reading>*{min-width:0;overflow-wrap:anywhere}
.rs-stage{flex-wrap:wrap}
.rs-visualization{min-width:0;max-width:100%;flex:1 1 180px}
.rs-control-head{flex-wrap:wrap}
.rs-control-output{min-width:0}
.rs-control input[type=range]{max-width:100%}
.rs-race-room-head{flex-wrap:wrap}
.rs-rank span{min-width:0;overflow-wrap:anywhere}
.rs-rank strong{flex:0 0 auto}
.rs-pin-card{max-width:100%;min-width:0}
.rs-pin-card strong{font-size:clamp(22px,6vw,35px);letter-spacing:clamp(1px,.8vw,5px)}

@media(max-width:780px){
  .rs-solo-level-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
  .rs-solo-world-grid{grid-template-columns:1fr}
  .rs-stage{flex-direction:column}
  .rs-visualization{width:100%;flex:0 1 auto;max-width:360px}
  .rs-solo-world-tile{padding:19px}
}
@media(max-width:560px){
  main:has(.rs){margin:14px auto 0;padding:0 14px}
  .rs{width:100%;max-width:100%}
  .rs-hero{padding:20px 17px;overflow:hidden}
  .rs-hero h1{font-size:clamp(35px,10vw,45px);letter-spacing:-2px}
  .rs-hero-art{right:-64px;pointer-events:none}
  .rs-solo-heading{padding:19px 16px}
  .rs-solo-heading h1{font-size:clamp(28px,9vw,38px)}
  .rs-solo-world-name h2{font-size:20px}
  .rs-solo-levels-card{padding:16px 12px}
  .rs-solo-level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .rs-solo-level-tile{min-height:87px;padding:11px 3px;gap:7px;border-radius:12px}
  .rs-solo-level-num{font-size:22px}
  .rs-solo-level-state{font-size:10px;white-space:normal}
  .rs-machine{padding:10px}
  .rs-stage{padding:15px 5px}
  .rs-visualization{width:100%}
  .rs-machine-reading strong{font-size:18px}
  .rs-race-forms{grid-template-columns:minmax(0,1fr)}
  .rs-race-box{padding:16px}
  .rs-race-room-head{padding:17px}
  .rs-rank{gap:7px}
  .rs-rank img{width:33px;height:33px}
  .rs-rank strong{font-size:12px}
  .rs-rank span{font-size:12px}
  body:has(.rs) header{height:auto;min-height:76px;flex-wrap:wrap;gap:9px;padding:12px 14px}
  body:has(.rs) header .header-account{flex:1 1 100%;min-width:0;justify-content:flex-start;flex-wrap:wrap;gap:8px}
}
@media(max-width:360px){
  .rs-solo-level-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
  .rs-solo-level-tile{min-height:82px}
  .rs-solo-heading h1{font-size:28px}
  .rs-control-output{width:100%;align-items:stretch}
}


/* RuleShift 2: mission-specific controls, action feedback and world simulation */
.rs-choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,140px),1fr));gap:10px;margin:14px 0 3px}
.rs-choice-card{background:#fff;color:#644a93;border:2px solid #e5d7f8;border-radius:14px;padding:15px 12px;min-height:58px;cursor:pointer;font-family:inherit;font-weight:800;font-size:13px;line-height:1.5;text-align:center;overflow-wrap:anywhere;transition:transform .15s,border-color .15s,background .15s}
.rs-choice-card:hover{transform:translateY(-2px);border-color:#bca5e9}
.rs-choice-card[aria-pressed=true]{background:#ede3ff;border-color:#7956cf;box-shadow:0 5px 13px #7650c81c;color:#543399}
.rs-choice-card:focus-visible,.rs-stepper button:focus-visible{outline:3px solid #a388e9;outline-offset:2px}
.rs-stepper{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:14px;max-width:100%}
.rs-stepper button{border:0;border-radius:14px;background:#7956cf;color:#fff;cursor:pointer;min-height:46px;width:50px;font-size:24px;font-weight:800}
.rs-stepper .rs-control-number{width:100px!important;min-width:0;flex:0 1 100px;text-align:center!important}
.rs-scene{width:100%;min-width:0;max-width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}
.rs-live-pipes{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,115px),1fr));gap:13px;width:100%}
.rs-live-meter{min-width:0;display:grid;gap:6px;background:#fff9;border:1px solid #e3d6f7;border-radius:12px;padding:12px}
.rs-live-meter-name{font-size:11px;color:#715d91;font-weight:800;overflow-wrap:anywhere}
.rs-live-meter-value{font-size:21px;color:#7050b9;font-variant-numeric:tabular-nums}
.rs-live-meter .rs-signal-track{height:11px}
.rs-scene-message{color:#776a8e;font-size:12px;line-height:1.5}
.rs-scene-choice-visual{display:grid;place-items:center;width:65px;height:65px;border:3px solid #a486e5;border-radius:22px;transform:rotate(-7deg);font-size:39px;color:#7d5ac5;background:#fff}
.rs-scene-rover{font-size:31px;align-self:flex-start;transition:margin-left .2s ease}
.rs-scene-route-track{width:100%;height:15px;border:2px dashed #ac90e5;border-radius:9px;background:#ebe3fc}
.rs-scene-thermometer{height:120px;width:37px;border:3px solid #9e82d7;border-radius:25px;background:#f8f2ff;position:relative;overflow:hidden}
.rs-scene-thermo-fill{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(#ed9d68,#cc5b80);transition:height .2s}
.rs-scene-clock{display:grid;place-items:center;width:124px;height:124px;border-radius:50%;background:#fff;border:8px solid #a48bdf;position:relative;box-shadow:0 7px 20px #7650c820}
.rs-scene-clock:before{content:"12";position:absolute;top:9px;color:#7851c4;font-weight:900}
.rs-scene-clock-hand{position:absolute;left:calc(50% - 3px);bottom:50%;height:37px;width:6px;border-radius:10px;background:#7453b8;transform-origin:bottom center;transition:transform .2s}
.rs-scene-conveyor{font-size:80px;color:#7354bf;transition:transform .2s}
.rs-machine-meta{align-items:flex-start}
.rs-visualization .rs-stage-reading{font-size:12px;line-height:1.5;color:#796c8a}
.rs-control label{overflow-wrap:anywhere}
@media(max-width:600px){
 .rs-choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .rs-choice-card{padding:12px 8px;min-height:56px;font-size:12px}
 .rs-stepper{gap:8px}
 .rs-stepper button{width:45px;min-height:45px}
 .rs-live-pipes{grid-template-columns:repeat(2,minmax(0,1fr))}
 .rs-stage{overflow:hidden}
}
@media(max-width:340px){.rs-choice-grid,.rs-live-pipes{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.rs-scene-rover,.rs-scene-thermo-fill,.rs-scene-clock-hand,.rs-scene-conveyor,.rs-choice-card{transition:none}}

/* Google progress syncing on the solo world-select screen */
.rs-progress-sync{display:flex;align-items:flex-start;gap:15px;padding:18px 19px;margin:0 0 21px;background:linear-gradient(115deg,#f6efff,#eef5ff);border:1px solid #e5d8f6;border-radius:18px;color:#5d438d}
.rs-progress-sync>span:first-child{font-size:26px;flex:0 0 auto}
.rs-progress-sync>div{min-width:0;flex:1}
.rs-progress-sync strong{display:block;font-size:14px;line-height:1.5}
.rs-progress-sync p{font-size:12px;color:#7b6a8f;line-height:1.5;margin:5px 0 12px}
.rs-progress-sync .rs-btn{display:inline-flex;width:auto;min-height:45px;gap:10px}
.rs-google-g{width:26px;height:26px;display:grid;place-items:center;background:#fff;border-radius:50%;flex:0 0 auto}
.rs-google-g svg{height:19px;width:19px;display:block}
.rs-progress-saved-label{display:inline-flex;color:#6c4ba2;font-size:12px;font-weight:800;background:#f0eaff;padding:10px 15px;border-radius:999px;margin:0 0 15px}
@media(max-width:560px){.rs-progress-sync{padding:14px;gap:10px}.rs-progress-sync .rs-btn{max-width:100%}}