:root{color-scheme:dark;--bg:#151726;--panel:#1e2134;--deep:#141625;--line:#383d56;--ink:#f5f0e7;--dim:#b5b5c7;--gold:#ffc879;--purple:#c2a4ff;--mint:#8dd8bd;--radius:22px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Noto Sans KR",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;background:radial-gradient(ellipse at 75% 0%,#302845 0,transparent 43%),var(--bg);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.42}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,canvas:focus-visible{outline:3px solid var(--mint);outline-offset:4px}button{touch-action:manipulation}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.shell{width:min(1180px,calc(100% - 64px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;min-height:96px;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:850;letter-spacing:.09em;line-height:1.3}.brand small{display:block;color:var(--dim);font-size:8px;letter-spacing:.21em;margin-top:4px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;background:var(--gold);color:var(--bg);border-radius:12px;font-size:32px;font-weight:700;line-height:1}.language-control{max-width:190px}.language-control select{width:100%;min-height:44px;padding:8px 31px 8px 13px;border:1px solid var(--line);background:var(--panel);border-radius:12px;color:var(--ink);font-size:13px}.intro{padding:37px 0 28px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--gold);margin:0}.intro>.eyebrow{display:flex;align-items:center;gap:8px}.live-dot{width:6px;height:6px;background:var(--mint);border-radius:50%}h1{font-size:clamp(32px,4.4vw,56px);letter-spacing:-.055em;line-height:1.12;margin:13px 0 12px;max-width:880px;text-wrap:balance}.lead{font-size:18px;color:#e7dfef;margin:0 0 7px}.demo-note{font-size:12px;color:var(--dim);margin:0}.game-shell{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;box-shadow:0 20px 60px #0002}.game-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.heist-title .eyebrow{font-size:9px}.heist-title h2{font-size:21px;line-height:1.3;letter-spacing:-.03em;margin:4px 0 0}.text-button{border:0;background:none;color:var(--dim);min-height:44px;padding:8px 0;text-decoration:underline;text-underline-offset:4px;font-size:12px;line-height:1.4}.text-button:hover:not(:disabled){color:var(--ink)}.help-panel{display:flex;align-items:center;gap:24px;background:#302d43;border:1px solid #544668;border-radius:14px;padding:16px 18px;margin-bottom:24px}.help-panel>div{flex:1}.help-panel strong{font-size:14px}.help-panel p{font-size:12px;line-height:1.6;color:#d3c9df;margin:5px 0 0;max-width:770px}.help-panel .button{flex:0 0 auto}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:26px}.play-area{min-width:0}.readouts{display:flex;align-items:center;gap:23px;padding:0 1px 12px;min-height:56px}.time-readout,.loop-readout{display:flex;flex-direction:column;gap:1px}.readout-label{font-size:10px;color:var(--dim);letter-spacing:.015em}.time-value{font-size:25px;line-height:1.15;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.04em}.time-value small{color:var(--dim);font-size:13px;margin-left:3px}.echo-count{font-size:16px;display:flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;font-weight:650}.echo-count i{width:9px;height:9px;border-radius:50%;border:2px solid var(--purple)}.echo-count i.filled{background:var(--purple);box-shadow:0 0 10px #c2a4ff55}.state-badge{margin-left:auto;font-size:10px;padding:5px 9px;background:#2c3046;color:#d8dbe9;border:1px solid #41465f;border-radius:100px;text-align:center;max-width:140px}.state-badge[data-state=won]{color:var(--mint);border-color:#517967}.state-badge[data-state=watching]{color:var(--purple)}.timer-track{height:3px;background:#35394d;border-radius:4px;overflow:hidden;margin-bottom:13px}.timer-track span{display:block;width:100%;height:100%;background:var(--mint);transition:width .22s linear,background .2s}.timer-track span.low{background:var(--gold)}.board-stage{position:relative;display:grid;place-items:center;background:var(--deep);border:1px solid #30364c;border-radius:14px;overflow:hidden;min-height:225px;isolation:isolate}.board-stage canvas{display:block;width:100%;height:auto;aspect-ratio:13/7;touch-action:pan-y}.board-stage.rewinding:after{content:"";pointer-events:none;position:absolute;inset:0;background:#c2a4ff;animation:rewind-flash .32s ease-out both}.board-overlay{position:absolute;inset:0;display:grid;place-items:center;background:#11131bcc;backdrop-filter:blur(3px);padding:14px;z-index:2}.overlay-card{text-align:center;max-width:440px;width:100%}.overlay-kicker{color:var(--gold);font-size:10px;letter-spacing:.15em;text-transform:uppercase;margin:0 0 5px}.overlay-card h3{font-size:clamp(19px,2vw,27px);line-height:1.2;letter-spacing:-.035em;margin:0 0 8px;text-wrap:balance}.overlay-card>p:not(.overlay-kicker){font-size:12px;color:#d1cedc;margin:0 auto 15px;max-width:350px}.overlay-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.overlay-actions .button{font-size:12px;min-height:44px;padding:10px 14px}.overlay-actions .text-button{flex-basis:100%;min-height:28px;padding:0;font-size:11px}.situational-hint{min-height:36px;margin:12px 1px 6px;font-size:12px;line-height:1.5;color:#d6cfdf}.legend{display:flex;flex-wrap:wrap;gap:9px 15px;margin-top:8px;font-size:9px;color:var(--dim)}.legend>span{display:inline-flex;align-items:center;gap:5px}.legend-icon{display:inline-block;width:10px;height:10px;flex-shrink:0}.legend-icon.you{background:var(--gold);border-radius:50%;box-shadow:inset 0 -3px 0 #a77245}.legend-icon.echo{background:var(--purple);border-radius:50%;box-shadow:inset 0 -3px 0 #786298}.legend-icon.plate{border:2px solid var(--gold);border-radius:3px}.legend-icon.door{background:repeating-linear-gradient(90deg,#7bb7be 0 2px,transparent 2px 4px)}.legend-icon.treasure{background:var(--gold);transform:rotate(45deg);width:8px;height:8px;margin:1px}.legend-icon.exit{border:2px solid var(--mint);border-radius:2px}.controls-panel{border-left:1px solid var(--line);padding-left:24px;display:flex;flex-direction:column;min-width:0}.controls-heading{display:flex;flex-direction:column;gap:12px}.controls-heading .eyebrow{font-size:9px;color:var(--dim)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid transparent;border-radius:10px;padding:11px 17px;font-size:13px;line-height:1.35;font-weight:750;text-align:center;white-space:normal;overflow-wrap:anywhere}.button.primary{background:var(--gold);color:#242031;box-shadow:0 3px 0 #b7874f}.button.primary:hover:not(:disabled){background:#ffd797}.button.secondary{background:#2b3047;border-color:#464d69;color:var(--ink)}.button.secondary:hover:not(:disabled){background:#373d57}.start-button{min-height:46px}.movement-controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:17px;margin:22px 0 17px}.dpad{display:grid;grid-template:repeat(3,46px)/repeat(3,46px);gap:5px;flex-shrink:0;touch-action:none;user-select:none}.direction{display:grid;place-items:center;border:1px solid #505674;border-radius:10px;background:#31364e;color:#f5ecdf;font-size:26px;font-weight:500;min-width:44px;min-height:44px;padding:0;touch-action:none}.direction:hover:not(:disabled),.direction.pressed{background:#4a4265;border-color:var(--purple)}.direction.up{grid-area:1/2}.direction.left{grid-area:2/1}.direction.right{grid-area:2/3}.direction.down{grid-area:3/2}.dpad-center{grid-area:2/2;display:grid;place-items:center;color:#696784;font-size:18px}.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:100%}.action-buttons .button{font-size:11px;padding:9px 7px;min-width:0}.loop-buttons{display:flex;flex-direction:column;gap:10px}.loop-buttons .button{font-size:12px}.rewind-button{background:#3e335c;border-color:#7e64ab;color:#e7d9ff}.rewind-button:hover:not(:disabled){background:#4c3e70}.rewind-button>span:first-child{font-size:24px;line-height:1}.rewind-button kbd{margin-left:auto;font-family:inherit;border:1px solid #88759e;border-radius:4px;font-size:9px;padding:1px 4px}.touch-hint{color:var(--dim);font-size:10px;line-height:1.6;margin:13px 0 5px}.secondary-tools{display:flex;justify-content:space-between;gap:12px;margin-top:auto}.secondary-tools .text-button{font-size:10px}.keyboard-hint{font-size:10px;color:#9798ae;margin:20px 0 0;padding-top:15px;border-top:1px solid var(--line);text-wrap:balance}.full-game{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:29px 0 30px}.full-game>div{max-width:610px}.full-game p{font-size:13px;line-height:1.6;color:var(--dim);margin:7px 0 0}.full-game .button{max-width:340px;min-width:220px;flex-shrink:0;font-size:13px}.full-game .eyebrow{color:var(--purple)}footer{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:22px 0 28px;border-top:1px solid var(--line);color:#9b9aaf;font-size:10px}footer nav{display:flex;gap:20px;margin-left:auto}footer a{text-decoration:underline;text-underline-offset:4px;display:inline-flex;min-height:44px;align-items:center}footer small{font-size:9px}.no-script{padding:16px;border:1px solid var(--line);border-radius:12px;color:var(--dim)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes rewind-flash{from{opacity:.36}to{opacity:0}}
@media(max-width:900px){.shell{width:calc(100% - 40px)}.game-shell{padding:20px}.game-layout{grid-template-columns:minmax(0,1fr)}.controls-panel{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px;display:grid;grid-template-columns:185px minmax(0,1fr);gap:14px 22px}.controls-heading{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}.start-button{min-width:150px}.movement-controls{grid-column:1;grid-row:2/5;margin:0;gap:10px}.action-buttons{width:100%}.loop-buttons{grid-column:2;align-self:start}.touch-hint{grid-column:2;margin:0}.secondary-tools{grid-column:2;align-self:end;margin:0}.keyboard-hint{margin-top:17px}.board-stage{min-height:245px}.help-panel{gap:17px}.full-game{gap:20px}.full-game .button{min-width:210px}.intro{padding-top:29px}}
@media(max-width:560px){.shell{width:calc(100% - 24px)}.site-header{min-height:76px;gap:10px}.brand{font-size:11px;gap:8px}.brand-mark{width:32px;height:32px;border-radius:10px;font-size:28px}.brand small{font-size:7px}.language-control{max-width:138px}.language-control select{font-size:11px;padding-left:9px;padding-right:24px}.intro{padding:26px 3px 21px}h1{font-size:35px;max-width:410px}.lead{font-size:15px;line-height:1.5}.demo-note{font-size:10px;line-height:1.6;max-width:340px}.game-shell{padding:14px 11px;border-radius:17px}.game-heading{gap:10px;margin-bottom:15px;padding:0 2px}.heist-title h2{font-size:18px}.game-heading .text-button{font-size:10px;max-width:90px}.help-panel{display:block;padding:13px;margin-bottom:17px;border-radius:11px}.help-panel strong{font-size:12px}.help-panel p{font-size:11px;line-height:1.55}.help-panel .button{margin-top:11px;min-height:44px;width:100%;font-size:12px}.readouts{gap:17px;padding:0 3px 10px}.readout-label{font-size:9px}.time-value{font-size:24px}.state-badge{font-size:9px;max-width:112px;padding:5px 7px}.echo-count{font-size:14px}.board-stage{min-height:218px;border-radius:10px}.board-overlay{padding:10px}.overlay-card h3{font-size:21px}.overlay-card>p:not(.overlay-kicker){font-size:11px;margin-bottom:10px}.overlay-card .button{font-size:10px;padding:9px 10px}.overlay-actions{gap:6px}.situational-hint{font-size:11px;min-height:34px;margin-top:10px}.legend{font-size:8px;gap:7px 11px;margin:8px 2px 0}.game-layout{gap:17px}.controls-panel{grid-template-columns:146px minmax(0,1fr);column-gap:12px;row-gap:10px;padding-top:14px}.controls-heading .eyebrow{font-size:8px;max-width:110px}.start-button{min-width:110px;font-size:12px;min-height:44px;padding:10px 14px}.movement-controls{gap:10px}.dpad{grid-template:repeat(3,44px)/repeat(3,44px);gap:4px}.direction{font-size:25px}.action-buttons{grid-template-columns:1fr;gap:7px}.action-buttons .button{font-size:10px;min-height:44px}.loop-buttons{gap:9px}.loop-buttons .button{font-size:11px;min-height:48px;padding:9px 8px}.rewind-button{gap:5px}.rewind-button kbd{display:none}.touch-hint{font-size:10px;line-height:1.6;align-self:start}.secondary-tools{display:flex;flex-direction:column;gap:1px;align-items:stretch}.secondary-tools .text-button{font-size:10px;text-align:left;min-height:44px}.keyboard-hint{font-size:9px;line-height:1.7}.full-game{display:block;padding:24px 4px}.full-game p{font-size:12px}.full-game .button{width:100%;max-width:none;min-width:0;margin-top:15px;font-size:13px;min-height:48px}footer{padding:16px 3px 23px;gap:6px 15px;font-size:9px}footer>span{flex-basis:100%}footer nav{margin-left:0;gap:18px}footer small{margin-left:auto;font-size:8px}}
@media(pointer:coarse){.keyboard-hint{display:none}}@media(max-width:359px){h1{font-size:31px}.game-shell{padding-inline:9px}.controls-panel{grid-template-columns:140px minmax(0,1fr);gap:9px}.echo-count{font-size:13px}.readouts{gap:13px}.overlay-card h3{font-size:19px}.overlay-card>p:not(.overlay-kicker){font-size:10px}.overlay-card .button{font-size:9px;min-height:44px;padding:8px}.legend{column-gap:9px}.full-game p{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

.board-overlay{overflow-y:auto;overscroll-behavior:contain;align-items:safe center}

/* Short screens: keep the room and the seven essential controls together.
   Optional actions remain below the three-row movement/action cluster. */
@media (max-width:560px) and (max-height:700px), (min-width:561px) and (max-height:480px){
  .game-shell{padding:10px 9px}
  .game-heading{margin-bottom:5px;padding:0 2px;min-height:44px}
  .heist-title h2{font-size:16px;margin-top:2px}
  .heist-title .eyebrow{font-size:8px}
  .game-heading .text-button{font-size:10px;min-height:44px}
  .readouts{min-height:42px;padding:0 3px 5px;gap:14px}
  .readout-label{font-size:8px}
  .time-value{font-size:21px}
  .time-value small{font-size:11px}
  .echo-count{font-size:13px}
  .state-badge{font-size:9px;padding:4px 7px}
  .timer-track{margin-bottom:7px}
  .game-layout{gap:8px}
  .board-stage{min-height:218px}
  .board-overlay{padding:10px}
  .situational-hint,.legend,.touch-hint,.keyboard-hint{display:none}
  .controls-panel{display:grid;grid-template-columns:140px minmax(0,1fr);grid-template-rows:repeat(5,44px);gap:8px;border-top:1px solid var(--line);border-left:0;padding:8px 0 0}
  .controls-heading,.movement-controls,.action-buttons,.loop-buttons{display:contents}
  .controls-heading .eyebrow{display:none}
  .controls-panel .dpad{grid-column:1;grid-row:1/4;align-self:center;justify-self:start;grid-template:repeat(3,44px)/repeat(3,44px);gap:4px}
  .controls-panel .direction{min-width:44px;min-height:44px;font-size:25px}
  .controls-panel .button{min-width:0;min-height:44px;height:44px;margin:0;padding:5px 7px;font-size:10px;line-height:1.3}
  #start-pause{grid-column:2;grid-row:1}
  #pick{grid-column:2;grid-row:2}
  #rewind{grid-column:2;grid-row:3;gap:5px}
  #rewind kbd{display:none}
  #wait{grid-column:1;grid-row:4}
  #retry{grid-column:2;grid-row:4}
  .controls-panel .secondary-tools{grid-column:1/-1;grid-row:5;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:12px;margin:0}
  .controls-panel .secondary-tools .text-button{min-height:44px;font-size:10px;padding:5px 0;text-align:left}
}
@media (max-width:560px) and (max-height:700px){
  .board-stage{min-height:250px}
}
@media (min-width:561px) and (max-height:480px){
  .game-shell{padding:8px 10px}
  .game-heading{margin-bottom:5px}
  .game-layout{grid-template-columns:minmax(0,1fr) 238px;align-items:start;gap:14px}
  .controls-panel{padding:0 0 0 8px;border-top:0;border-left:1px solid var(--line)}
  .board-stage{height:218px;min-height:218px}
  .board-stage canvas{width:100%;height:216px;aspect-ratio:auto;object-fit:contain}
  .overlay-card h3{font-size:20px}
  .overlay-card>p:not(.overlay-kicker){font-size:11px;margin-bottom:10px}
  .overlay-actions .button{font-size:11px;padding:9px 12px;min-height:44px}
  .overlay-actions{gap:6px}
}