/* Isolated quick-start experiment. Overrides only this copy of the game. */
[hidden]{display:none!important}
body .app,body.in-game .app{max-width:570px;margin:auto;padding:0 16px 12px}
.topbar,body.in-game .topbar{display:grid;grid-template-columns:88px 1fr 88px;min-height:64px;padding-top:env(safe-area-inset-top);gap:0;border-bottom:1px solid #29435980}
.brand,body.in-game .topbar .brand{display:flex;justify-content:center;gap:7px;font-size:17px;letter-spacing:.11em;white-space:nowrap}
.brand-logo{width:25px;height:25px}.brand small{font-size:9px;color:#86e3f4;letter-spacing:.1em;border:1px solid #396174;border-radius:4px;padding:3px}
.header-actions{display:flex}.icon-button{border:0;background:transparent;color:#a7bed0;font-size:24px;width:44px;height:44px;border-radius:9px;cursor:pointer}.icon-button:hover{background:#173149;color:#fff}#help-open{font-size:20px;font-weight:700}
.intro,.rules,#session>.section-number,#player-name,.session-note,.keyboard-hint{display:none!important}
.layout,body.in-game .layout{display:flex;flex-direction:column;gap:0;padding-top:8px}
.sidebar,body.in-game .sidebar,#session,body.in-game #session{display:contents}
.play-area,body.in-game .play-area{position:relative;width:100%;border:0;background:none;box-shadow:none;padding:0}
.stats,body.in-game .stats{display:flex;justify-content:space-between;gap:20px;border:0;padding:0 4px 8px;margin:0}
.stats>div{display:flex;gap:9px;align-items:center}.stats span,body.in-game .stats span{font-size:12px;color:#a7bed0}.stats strong,body.in-game .stats strong{font-size:22px;margin:0;font-weight:500}
.field-heading,body.in-game .field-heading{display:flex;font-size:10px;letter-spacing:.08em;min-height:20px;padding:0 62px 0 4px;gap:10px;justify-content:flex-start}
#field-label,body.in-game #field-label{display:none}
.completion,body.in-game .completion{position:absolute;top:36px;right:4px;width:48px;margin:0}
.completion p,body.in-game .completion p{font-size:0;line-height:14px;text-align:right;margin:0}.completion strong,body.in-game .completion strong{font-size:12px;margin:0}.completion progress,body.in-game .completion progress{height:3px}
.arena,body.in-game .arena{width:100%;max-width:min(440px,calc(100svh - 320px));min-width:200px;margin:0 auto}
.gate-row,body.in-game .gate-row{height:28px}.exit-marker,body.in-game .exit-marker{font-size:9px;bottom:3px}.exit-marker>span:first-child,body.in-game .exit-marker>span:first-child{font-size:17px}
.entry-row,body.in-game .entry-row{height:auto;min-height:calc(var(--entry-space,12.5cqw) + 20px);font-size:9px}
.field-status,body.in-game .field-status{font-size:12px;line-height:17px;min-height:34px;margin:0 auto 4px;max-width:440px;text-align:center}
.game-controls,body.in-game .game-controls{position:static;width:100%;padding:0;background:none;border:0;box-shadow:none;max-width:440px;margin:auto}
.direction-pad,body.in-game .direction-pad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0;max-width:none}.side-directions,body.in-game .side-directions{display:contents}
.direction-pad button,body.in-game .direction-pad button{width:100%;height:54px;font-size:29px;border-radius:12px}.direction-pad [data-dir=left]{grid-column:1;grid-row:1}.direction-pad [data-dir=up]{grid-column:2;grid-row:1}.direction-pad [data-dir=right]{grid-column:3;grid-row:1}
.session-actions,body.in-game .session-actions{display:flex;flex-wrap:nowrap;gap:3px;justify-content:space-between;margin:2px 0 0}.session-actions button{font-size:11px;padding:8px 3px;min-height:44px;white-space:nowrap}
body footer,body.in-game footer{display:flex;justify-content:space-between;flex-direction:row;gap:10px;font-size:9px;line-height:1.5;letter-spacing:0;text-transform:none;padding:12px 0 4px;border-top:1px solid #29435955;margin-top:8px;color:#839aaa}footer a{color:#a7bed0}
#settings-dialog{max-width:480px}#settings-dialog .setup{padding:0;border:0;background:none}#settings-dialog .play-modes,#settings-dialog #remembered-player,#settings-dialog #nick-fields,#settings-dialog #email-fields,#settings-dialog #nick-error,#settings-dialog #identity-status,#settings-dialog #start-hint{display:none!important}
#settings-dialog h2{font:600 25px/1.2 system-ui;margin:16px 0 24px}#settings-dialog fieldset{margin:20px 0}#settings-dialog legend{font-size:13px}#settings-dialog .difficulty{padding:12px;min-height:62px}#settings-dialog .difficulty small{font-size:12px}#settings-dialog .difficulty strong{font-size:13px}#settings-dialog .help{font-size:12px}#settings-dialog .primary{font-size:14px}.language-control{display:flex;align-items:center;justify-content:space-between}.language-control select{background:#132b41;color:#edf6ff;border:1px solid #3f6a86;border-radius:8px;padding:10px;font-size:14px}
#how-dialog{max-width:420px;padding:30px;border-radius:20px;background:radial-gradient(ellipse at 0 0,#18384c,transparent 65%),#0d1c2c}
#how-dialog .eyebrow{font-size:10px;letter-spacing:.15em}#how-dialog h2{font:700 29px/1.15 system-ui;margin:15px 0 10px;letter-spacing:-.04em}.how-close{position:absolute;right:16px;top:12px}.how-lead{color:#a7bed0;font-size:16px;line-height:1.5;margin:0}.mini-map{display:grid;grid-template-columns:repeat(3,32px);gap:5px;margin:22px auto;width:max-content;transform:rotate(-6deg)}.mini-map i{width:32px;height:32px;border:1px solid #456174;border-radius:6px;background:#142b40;font-style:normal;display:grid;place-items:center}.mini-map .tile-path{border-color:#86e3f480;background:#86e3f41b}.mini-map .tile-target{color:#f4c574;border-color:#f4c57480}.mini-map .tile-robot{font-size:21px;background:#86e3f41b;border-color:#86e3f4}
.how-steps{list-style:none;padding:0;counter-reset:step;display:grid;gap:16px;margin:0 0 25px}.how-steps li{position:relative;padding-left:34px;counter-increment:step}.how-steps li:before{content:counter(step);position:absolute;left:0;top:1px;color:#86e3f4;border:1px solid #396174;border-radius:50%;width:22px;height:22px;display:grid;place-items:center;font-size:11px}.how-steps strong{display:block;font-size:13px}.how-steps span{display:block;font-size:12px;color:#a7bed0;margin-top:4px;line-height:1.5}.how-foot{text-align:center;color:#839aaa;font-size:11px;margin:12px 0 0}.primary{border-radius:11px;min-height:49px}#claim-form input{width:100%;background:#102438;border:1px solid #395a73;border-radius:8px;color:var(--ink);padding:12px;font-size:16px}#claim-form label{display:block;font-size:13px;margin:12px 0 6px}#claim-form h3{font-size:18px;margin-top:20px}#claim-error:empty{display:none}#boot-error{color:#f4c574;font-size:13px}#boot-retry{margin-top:8px}button:focus-visible{outline:2px solid #86e3f4;outline-offset:3px}
@media(max-width:380px){body .app,body.in-game .app{padding-left:10px;padding-right:10px}.brand,body.in-game .topbar .brand{font-size:14px}.brand-logo{width:20px;height:20px}.brand small{display:none}#how-dialog{padding:26px 22px}#how-dialog h2{font-size:27px}.session-actions button{font-size:10px}}
@media(max-height:650px){.arena,body.in-game .arena{max-width:280px}#how-dialog{padding:22px}.mini-map{margin:12px auto}.how-steps{gap:10px;margin-bottom:16px}}

.topbar #ranking-open{font-size:24px;padding:0}.icon-button svg{vertical-align:middle}

/* Six-second demo: existing sprite assets, transforms and opacity only. */
.tutorial-demo{--demo-duration:6.4s;margin:10px auto 16px;text-align:center;border:1px solid #31536980;background:#07182777;border-radius:12px;padding:4px 8px 0;max-width:300px;overflow:hidden}
.tutorial-scene{width:200px;height:160px;margin:auto;position:relative}
.tutorial-field{position:absolute;left:20px;top:8px;width:160px;height:120px;border:1px solid #4d788a;border-radius:5px;background:#152b43}
.tutorial-grid{position:absolute;inset:0;background:linear-gradient(90deg,transparent 39px,#69c7dd80 39px 40px) 0 0/40px 40px,linear-gradient(transparent 39px,#69c7dd80 39px 40px) 0 0/40px 40px;border-radius:4px}
.tutorial-flag{position:absolute;right:10px;top:3px;color:#f4c574;font-size:22px}
.tutorial-actor{position:absolute;left:80px;top:148px;width:30px;height:40px;margin:-34px 0 0 -15px}
.tutorial-sprite,.tutorial-part{display:block;width:30px;height:40px;background:url('assets/explorer-back-sprites.png') 0 0/400% 100% no-repeat}
.tutorial-sprite{filter:drop-shadow(0 2px 2px #0008)}
.tutorial-impact{position:absolute;left:120px;top:68px;width:0;height:0}
.tutorial-impact i{position:absolute;opacity:0;pointer-events:none}
.tutorial-flash{left:-20px;top:-20px;width:40px;height:40px;background:radial-gradient(circle,#ffebae,#f7b75b70 35%,transparent 70%);border-radius:50%}
.tutorial-ring{left:-16px;top:-16px;width:32px;height:32px;border:2px solid #f4c574;border-radius:50%}
.tutorial-part{left:-15px;top:-34px}.part-head{clip-path:inset(0 0 52%);--dx:-24px;--dy:-18px;--spin:-65deg}.part-body{clip-path:inset(48% 0 22%);--dx:23px;--dy:0px;--spin:80deg}.part-left{clip-path:inset(78% 50% 0 0);--dx:-19px;--dy:22px;--spin:-100deg}.part-right{clip-path:inset(78% 0 0 50%);--dx:22px;--dy:24px;--spin:110deg}
.tutorial-caption{height:19px;position:relative;font-size:12px;color:#b8d6e5;line-height:19px}.tutorial-caption span{position:absolute;inset:0;opacity:0}.tutorial-caption span:first-child{opacity:1}
.tutorial-toggle{border:0;background:transparent;color:#90afc1;font-size:10px;min-height:30px;padding:5px 10px;text-decoration:underline;text-underline-offset:3px}.tutorial-static{display:none}
.tutorial-running .tutorial-actor{animation:tutorial-walk var(--demo-duration) infinite}
.tutorial-running .tutorial-sprite{animation:tutorial-stride var(--demo-duration) steps(1,end) infinite}
.tutorial-running .tutorial-grid{animation:tutorial-grid var(--demo-duration) infinite}
.tutorial-running .tutorial-flash{animation:tutorial-flash var(--demo-duration) infinite}
.tutorial-running .tutorial-ring{animation:tutorial-ring var(--demo-duration) infinite}
.tutorial-running .tutorial-part{animation:tutorial-parts var(--demo-duration) infinite}
.tutorial-running .tutorial-caption span{animation:tutorial-caption var(--demo-duration) steps(1,end) infinite}
.tutorial-running .tutorial-caption span:nth-child(2){animation-name:tutorial-caption-walk}.tutorial-running .tutorial-caption span:nth-child(3){animation-name:tutorial-caption-mine}.tutorial-running .tutorial-caption span:nth-child(4){animation-name:tutorial-caption-return}
.tutorial-paused *{animation-play-state:paused!important}
@keyframes tutorial-walk{0%,16%{transform:translate(0,0);opacity:1}23%,34%{transform:translate(0,-40px);opacity:1}41%,52%{transform:translate(0,-80px);opacity:1}59%,63.9%{transform:translate(40px,-80px);opacity:1}64%,82%{transform:translate(40px,-80px);opacity:0}83%{transform:translate(0,0);opacity:0}89%,100%{transform:translate(0,0);opacity:1}}
@keyframes tutorial-stride{0%,23%,41%,59%,100%{background-position:0 0}16%,34%,52%{background-position:33.333% 0}20%,38%,56%{background-position:66.667% 0}}
@keyframes tutorial-grid{0%,18%,92%,100%{opacity:1}25%,82%{opacity:0}}
@keyframes tutorial-flash{0%,63.9%,78%,100%{opacity:0;transform:scale(.2)}65%{opacity:.85;transform:scale(1)}72%{opacity:0;transform:scale(1.8)}}
@keyframes tutorial-ring{0%,63.9%{opacity:0;transform:scale(.2)}65%{opacity:.8;transform:scale(.6)}77%,100%{opacity:0;transform:scale(2.4)}}
@keyframes tutorial-parts{0%,63.9%{opacity:0;transform:translate(0,0) rotate(0)}64%{opacity:1;transform:translate(0,0) rotate(0)}75%{opacity:1;transform:translate(var(--dx),var(--dy)) rotate(var(--spin))}82%,100%{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(var(--spin))}}
@keyframes tutorial-caption{0%{opacity:1}18%,100%{opacity:0}}@keyframes tutorial-caption-walk{0%{opacity:0}18%{opacity:1}64%,100%{opacity:0}}@keyframes tutorial-caption-mine{0%{opacity:0}64%{opacity:1}83%,100%{opacity:0}}@keyframes tutorial-caption-return{0%{opacity:0}83%{opacity:1}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.tutorial-scene{height:130px}.tutorial-actor{top:108px}.tutorial-caption,.tutorial-toggle{display:none}.tutorial-static{display:block!important;font-size:12px!important;color:#b8d6e5;margin:8px 0!important}}
@media(max-height:740px){.tutorial-scene{transform:scale(.8);transform-origin:top center;height:128px}.tutorial-demo{margin:8px auto 12px}.how-steps{gap:10px;margin-bottom:16px}#how-dialog{padding-top:24px;padding-bottom:24px}}