[hidden]{display:none!important}
.game-introduction{padding:0 0 20px;max-width:690px}.game-introduction p{font:14px/1.65 system-ui,sans-serif;color:#c6d2c7;margin:0 0 10px}.game-introduction strong{font-weight:500;color:#ebdec2}.open-guide{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:8px 0;border:0;background:transparent;color:#f2d195;font:500 14px system-ui,sans-serif;cursor:pointer}.open-guide>svg{width:18px;height:18px;stroke-width:1.5}.open-guide span{text-decoration:underline;text-underline-offset:4px;text-decoration-color:#ddbe8277}.open-guide:hover span{text-decoration-color:currentColor}
.game-tabs{align-items:center;gap:24px}.game-tabs .help-tab{position:relative;display:inline-flex;align-items:center;gap:9px;overflow:hidden;padding:10px 15px;min-height:44px;margin-bottom:5px;border:1px solid #c9a46b;border-radius:5px;background:#d6ba8230;color:#f3dfb6;isolation:isolate;font-weight:600}.help-tab svg{width:19px;height:19px;stroke-width:1.5}.help-tab span{font-size:10px;font-weight:400;color:#dbccb1;border-left:1px solid #d9c29b55;padding-left:9px}.game-tabs .help-tab.is-active{background:#d4b87b;color:#17271f;border-color:#ead1a2}.help-tab.is-active span{color:#263a2b}.help-tab::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 20%,#fff1c250 48%,transparent 74%);transform:translateX(-130%);pointer-events:none;animation:helpSheen 2.2s ease-in-out 1s 2}.help-tab.was-opened::after{animation:none;opacity:0}@keyframes helpSheen{0%,25%{transform:translateX(-130%)}100%{transform:translateX(130%)}}
.key-tile.is-hint{animation:none!important;outline:3px solid #f9e4a9;outline-offset:3px;background:#f0dfad;box-shadow:inset 0 0 0 2px #846733,0 5px 0 #806642}.key-tile.is-hint:focus-visible{outline:3px solid #fff6d7}
.hint-note{display:flex;align-items:flex-start;gap:13px;padding:16px 18px;margin:14px 0 0;border-left:3px solid #e7c987;background:#d5be8020;color:#f0e0bd;font:14px/1.65 system-ui,sans-serif}.hint-note>svg{width:22px;height:22px;flex-shrink:0;stroke-width:1.5;margin-top:2px}.hint-equation{font-weight:600}.hint-instruction{margin:5px 0 0;color:#dbe5d5}.view-game.is-active{grid-template-rows:none;grid-auto-rows:auto}.game-message{max-width:310px}
@media(max-width:600px){.game-tabs{gap:17px}.game-tabs .help-tab{padding:9px 12px;gap:7px}.help-tab span{display:none}.hint-note{font-size:13px;padding:13px 12px;gap:10px}.key-tile.is-hint{outline-offset:1px;outline-width:2px}}
@media(prefers-reduced-motion:reduce){.help-tab::after{animation:none;display:none}}