:root{color-scheme:dark;--bg:#10131b;--panel:#171c27;--line:#2a3040;--text:#f1efe8;--muted:#a4aabd;--dim:#78829a;--amber:#f0be77;--blue:#aaa9ff;--green:#a3d5b4;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 88% 6%,#23223955,transparent 44%),radial-gradient(ellipse at 5% 90%,#33271633,transparent 46%),var(--bg);min-width:300px}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.35}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:5px}button{transition:background .15s,border-color .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.app{max-width:1360px;margin:auto;padding:0 46px}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}.header{min-height:110px;display:flex;align-items:center;gap:38px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:15px;color:var(--text);text-decoration:none;font-size:27px;font-weight:600;letter-spacing:7px}.brand-mark{width:36px;height:33px;position:relative;display:block}.brand-mark i{position:absolute;width:19px;height:23px;border:1.5px solid var(--amber);border-radius:7px;transform:rotate(-22deg);left:1px;top:3px}.brand-mark i+i{border-color:var(--blue);left:14px;transform:rotate(22deg)}.tagline,.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;color:var(--dim)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px}.quiet{border:0;background:transparent;color:var(--muted);padding:10px 0;font-size:12px;min-height:44px}.help{border:1px solid var(--line);width:36px;height:36px;background:transparent;border-radius:50%;color:var(--muted)}.layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:62px;padding-top:43px}.sidebar-intro h1{font-size:38px;line-height:1.18;letter-spacing:-1px;margin:16px 0}.sidebar-intro>p{color:var(--muted);font-size:13px;line-height:1.85}.route{margin-top:35px}.route summary{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;cursor:pointer;list-style:none}.route summary::-webkit-details-marker{display:none}.route summary>span:last-child{color:var(--dim);font-variant-numeric:tabular-nums}.progress{height:3px;background:#ffffff0c;margin:15px 0 16px;border-radius:5px;overflow:hidden}.progress span{height:100%;display:block;background:var(--amber);width:0}.level-list{display:grid;gap:4px}.level-choice{border:1px solid transparent;background:transparent;border-radius:9px;display:flex;align-items:center;padding:9px 10px;gap:11px;min-height:45px;text-align:left;width:100%}.level-choice:disabled{opacity:.42}.level-choice[aria-current="step"]{background:#f0be770c;border-color:#f0be7730}.level-choice:not(:disabled):hover{background:#ffffff06}.level-choice .number{font-size:12px;color:var(--dim);width:18px;flex-shrink:0;font-variant-numeric:tabular-nums}.level-choice[aria-current="step"] .number{color:var(--amber)}.level-choice .level-name{font-size:12px;flex:1}.level-choice .score{font-size:11px;letter-spacing:1px;color:var(--amber)}.level-choice .lock{color:var(--dim);font-size:11px}.sidebar-bottom{border-top:1px solid var(--line);margin-top:25px;padding-top:22px;display:flex;gap:13px;align-items:center}.sidebar-bottom p{color:var(--dim);font-size:11px;line-height:1.8}.tiny-orbit{width:21px;height:28px;border:1px solid #776b61;border-radius:50%;transform:rotate(35deg);flex-shrink:0}.level-header{display:flex;justify-content:space-between;align-items:center;gap:20px}.level-header h2{font-size:28px;letter-spacing:-.5px;margin-top:9px}.level-number{font-size:12px;color:var(--dim);border:1px solid var(--line);border-radius:25px;padding:8px 13px;white-space:nowrap;font-variant-numeric:tabular-nums}.metrics{display:flex;gap:40px;padding:26px 0 17px;margin-top:13px;border-top:1px solid var(--line)}.metrics>div{display:grid;gap:7px}.metrics>div>span{color:var(--dim);font-size:11px}.metrics strong{font-size:23px;font-weight:400;line-height:1.1;font-variant-numeric:tabular-nums}.metrics small{font-size:14px;color:var(--dim)}.portal-metric{margin-left:auto;text-align:right}.board-wrap{position:relative;border:1px solid var(--line);border-radius:19px;background:radial-gradient(ellipse at 20% 10%,#302c2522,transparent 50%),#141924;overflow:hidden}canvas{display:block;width:100%;height:400px}.message{color:var(--muted);font-size:12px;line-height:1.8;min-height:65px;padding:17px 4px 9px}.message.is-hint{color:var(--amber)}.game-controls{display:grid;grid-template-columns:1fr auto;gap:9px 24px;align-items:center;border-top:1px solid var(--line);padding-top:19px}.tools{display:flex;flex-wrap:wrap;gap:8px}.tool{border:1px solid var(--line);border-radius:8px;background:#ffffff03;padding:10px 13px;font-size:12px;min-height:42px}.tool>span{font-size:17px;vertical-align:-1px;margin-right:4px}.tool:hover:not(:disabled){background:#ffffff08;border-color:#4a5264}.keyboard-note{font-size:10px;line-height:2;color:var(--dim);grid-column:1;grid-row:2}kbd{font:inherit;color:var(--muted)}.dpad{display:grid;grid-template-columns:repeat(3,42px);grid-template-rows:repeat(3,36px);gap:4px;grid-column:2;grid-row:1/3}.dpad button{border:1px solid #3a4153;background:#202635;border-radius:8px;font-size:20px;line-height:1}.dpad button:first-child{grid-column:2;grid-row:1}.dpad button:nth-child(2){grid-column:1;grid-row:2}.dpad button:nth-child(4){grid-column:3;grid-row:2}.dpad button:last-child{grid-column:2;grid-row:3}.dpad-center{grid-column:2;grid-row:2;display:grid;place-items:center;color:var(--dim)}.dpad button:hover:not(:disabled),.dpad button.is-hint{border-color:var(--amber);background:#f0be7720;color:var(--amber)}.footer{margin-top:37px;padding:24px 0;display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);color:var(--dim);font-size:10px;letter-spacing:.4px}.victory{display:flex;gap:20px;justify-content:space-between;align-items:center;border:1px solid #a3d5b433;border-radius:12px;background:#a3d5b409;margin:0 0 18px;padding:18px 20px}.victory-stars{color:var(--amber);letter-spacing:6px;font-size:17px}.victory h3{margin:5px 0;font-size:19px}.victory p{color:var(--muted);font-size:12px;line-height:1.7}.primary{display:flex;justify-content:center;align-items:center;gap:14px;min-height:44px;border:1px solid var(--amber);border-radius:8px;background:var(--amber);color:#272019;padding:11px 17px;white-space:nowrap;font-size:12px;font-weight:600}.primary:hover{background:#f7d09b}.primary span{font-size:18px}dialog{background:#1a202d;color:var(--text);border:1px solid #424b60;border-radius:19px;max-width:480px;width:calc(100% - 36px);padding:30px;box-shadow:0 24px 100px #0008}dialog::backdrop{background:#060810bb;backdrop-filter:blur(6px)}dialog h2{font-size:25px;margin:15px 0 20px}dialog p{font-size:14px;line-height:1.85;color:var(--muted);margin:12px 0}dialog .primary{margin-top:23px;width:100%}noscript{display:block;padding:20px;color:var(--amber)}
.board-toolbar{display:none}.board-toolbar button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:5px 14px;min-height:40px}.board-toolbar button span{font-size:16px;margin-left:6px}
@media(min-width:1450px){.app{padding:0 55px}.layout{gap:80px}.board-wrap canvas{height:435px}}
@media(max-width:1100px){.app{padding:0 28px}.layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.sidebar-intro h1{font-size:32px}.tagline{font-size:9px}.game-controls{gap:10px}.tool{padding:9px}.level-choice{padding:9px 6px}.level-choice .level-name{font-size:11px}}
@media(max-width:820px){.app{padding:0 22px}.header{min-height:88px;gap:20px}.tagline{display:none}.layout{grid-template-columns:minmax(0,1fr);gap:25px;padding-top:22px}.sidebar{display:flex;flex-direction:column}.sidebar-intro,.sidebar-bottom{display:none}.route{margin:0}.route summary{padding:6px 0;min-height:35px}.route summary>span:first-child:after{content:'⌄';color:var(--dim);margin-left:10px}.route:not([open]) .progress{display:none}.level-list{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:10px}.level-choice .level-name{font-size:11px}.level-header h2{font-size:27px}.metrics{padding-top:20px;margin-top:20px}.footer{margin-top:24px}canvas{height:400px}}
@media(max-width:480px){.app{padding:0 16px}.header{min-height:78px}.brand{font-size:23px;gap:9px;letter-spacing:6px}.brand-mark{transform:scale(.85);transform-origin:left center;width:31px}.header-actions{gap:12px}.quiet{font-size:11px}.help{width:32px;height:32px;min-width:44px;min-height:44px}.layout{padding-top:13px;gap:21px}.level-list{grid-template-columns:repeat(2,minmax(0,1fr))}.eyebrow{font-size:9px;letter-spacing:1.5px}.level-header{gap:7px}.level-header h2{font-size:24px}.level-number{font-size:11px;padding:7px 10px}.metrics{gap:26px;margin-top:19px;padding-top:17px}.metrics strong{font-size:22px}.metrics>div>span{font-size:10px}.board-wrap{border-radius:15px}.message{font-size:12px;padding-top:13px;min-height:77px}.game-controls{grid-template-columns:1fr;gap:17px;padding-top:17px}.tools{justify-content:center;gap:7px}.tool{padding:10px 12px;min-height:44px}.dpad{grid-column:1;grid-row:2;justify-content:center;grid-template-columns:repeat(3,52px);grid-template-rows:repeat(3,44px);gap:5px}.keyboard-note{grid-row:3;text-align:center;display:none}.footer{flex-direction:column;align-items:center;font-size:10px;gap:7px;text-align:center}.victory{flex-direction:column;text-align:center;padding:18px;gap:15px}.victory .primary{width:100%}dialog{padding:23px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:1100px) and (min-width:821px){.board-toolbar{display:flex;justify-content:flex-end}}
@media(max-width:590px){.board-toolbar{display:flex;justify-content:flex-end}}