:root{--navy:#0d2b45;--deep:#0b2d49;--teal:#12a3a8;--sea-1:#7fe0ea;--sea-2:#35b6cf;--sea-3:#1a8fb3;--foam:#fff;--sand:#f6dca6;--sand-2:#ecc67c;--coral:#ff6b5b;--coral-2:#e5493a;--gold:#ffc83d;--paper:#fff8e6;--ink:#12385a;--font:ui-rounded, "SF Pro Rounded", "Nunito", "Segoe UI Variable Display", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--safe-b:env(safe-area-inset-bottom,0px);--beach:url(../assets/beach.webp)}*{box-sizing:border-box}html,body{background:var(--deep);height:100%;color:var(--ink);font-family:var(--font);overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-text-size-adjust:100%;margin:0;overflow:hidden}button{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent;touch-action:manipulation}#game{touch-action:manipulation;background:linear-gradient(#0f4a6e, var(--deep));position:fixed;inset:0}#app{max-width:620px;height:100%;margin:0 auto;position:relative}#app[hidden],.screen[hidden]{display:none}.screen{flex-direction:column;display:flex;position:absolute;inset:0}.loading{color:#cfeef7;place-items:center;margin:0;font-weight:700;display:grid;position:absolute;inset:0}.loading[hidden]{display:none}.btn{min-height:48px;color:var(--ink);cursor:pointer;background:#fff;border:0;border-radius:999px;padding:0 22px;font-size:17px;font-weight:800;transition:transform 80ms;box-shadow:0 4px #a9d3df,0 8px 14px #05284640}.btn:active{transform:translateY(3px);box-shadow:0 1px #a9d3df}.btn.primary{background:linear-gradient(var(--coral), var(--coral-2));color:#fff;box-shadow:0 4px #a52c20,0 8px 14px #0528464d}.btn.primary:active{box-shadow:0 1px #a52c20}.btn.big{width:100%;min-height:62px;font-size:24px}.btn:focus-visible,.link:focus-visible,.lvl:focus-visible,.lesson:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.link{color:#0f4666;cursor:pointer;background:0 0;border:0;min-height:44px;font-weight:700;text-decoration:underline}#home{padding:max(28px, env(safe-area-inset-top)) 20px max(18px, var(--safe-b));background-image:var(--beach), linear-gradient(#ffe9b8 0%, #bff0f5 18%, var(--sea-1) 30%, var(--sea-2) 62%, var(--sea-3) 74%, var(--sand) 74.5%, var(--sand-2) 100%);background-position:bottom;background-size:cover;justify-content:space-between;align-items:center}.brand{text-align:center}.brand h1{color:#fff;text-shadow:0 3px 0 var(--teal), 0 6px 0 #0c6f86, 0 12px 18px #05284659;letter-spacing:.01em;margin:0;font-size:clamp(44px,14vw,68px);font-weight:900;line-height:1}.brand h1 span{color:var(--gold);text-shadow:0 3px #d98a00,0 6px #9a5d00,0 12px 18px #05284659}.tag{color:#0f4666;max-width:17em;margin:12px auto 0;font-weight:700}.home-castle{flex:0 auto;width:min(82vw,340px)}.home-castle img{filter:drop-shadow(0 8px 6px #7850144d);width:100%;display:block}.menu{justify-items:center;gap:12px;width:100%;max-width:360px;display:grid}.row2{grid-template-columns:1fr 1fr;gap:12px;width:100%;display:grid}.best{color:#6b4a14;min-height:1.2em;margin:0;font-size:13px;font-weight:800}@media (height<=640px){.home-castle{width:min(40vw,170px)}.tag{display:none}}#play{background:var(--deep)}.hud{padding:max(8px, env(safe-area-inset-top)) 112px 4px 10px;color:#fff;grid-template-rows:auto auto;grid-template-columns:44px repeat(3,minmax(0,1fr));align-items:center;gap:2px 8px;display:grid}.menu-btn{color:#fff;cursor:pointer;background:#ffffff24;border:0;border-radius:12px;grid-row:1/3;place-items:center;width:44px;height:44px;padding:0;display:grid}.menu-btn svg{width:24px;height:24px}.stat{flex-direction:column;min-width:0;line-height:1.05;display:flex}.stat small{letter-spacing:.08em;text-transform:uppercase;color:#8fd3e6;font-size:10px;font-weight:800}.stat b{font-variant-numeric:tabular-nums;white-space:nowrap;text-overflow:ellipsis;font-size:19px;font-weight:900;overflow:hidden}.shells{grid-column:2/5;gap:4px;height:20px;display:flex}.shells i{width:20px;height:20px;transition:transform .2s,opacity .2s,filter .2s}.shells i img{width:100%;height:100%;display:block}.shells i.lost{opacity:.28;filter:grayscale();transform:scale(.8)}.shells i.pulse{animation:.4s ease-out pulse}.goal{background:#ffffff24;height:5px;margin:0}.goal i{background:linear-gradient(90deg, #6fe0d0, var(--gold));width:0;height:100%;transition:width .25s ease-out;display:block}.combo{z-index:4;color:#fff;pointer-events:none;opacity:0;background:#0d2b458c;border-radius:999px;align-items:center;padding:3px 12px 4px;transition:opacity .2s;position:absolute;top:74px;left:10px}.combo.on{opacity:1}.combo small{font-size:9px}.combo b{color:var(--gold);font-size:18px}.combo.bump b{animation:.35s ease-out pulse}.field{background-color:var(--sea-2);background-image:var(--beach), linear-gradient(var(--sea-1) 0%, var(--sea-2) 34%, var(--sea-3) 66%, #45bfd0 79%, #fff 79.4%, var(--sand) 80.4%, var(--sand-2) 100%);background-position:bottom;background-size:cover;flex:1 1 0;min-height:0;position:relative;overflow:hidden}.field:before,.field:after{content:"";opacity:.8;pointer-events:none;background:radial-gradient(#ffffff80,#fff0 70%);border-radius:999px;width:160%;height:14px;position:absolute;left:-30%}.field:before{top:22%}.field:after{height:20px;top:52%}.field.live:before{animation:9s ease-in-out infinite alternate drift}.field.live:after{animation:13s ease-in-out infinite alternate-reverse drift}.waves,.sweeps{pointer-events:none;position:absolute;inset:0}.shore{display:none}.castle{pointer-events:none;filter:drop-shadow(0 6px 4px #78501447);width:clamp(150px,46%,240px);margin-left:calc(clamp(150px,46%,240px)/-2);position:absolute;bottom:2%;left:50%}.castle img{width:100%;display:block}.castle.hit{animation:.45s ease-out 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#dff8fc;border-radius:999px;align-items:center;gap:.35em;padding:.3em .75em .34em;transition:transform .12s ease-out,background .2s,box-shadow .2s;display:flex;box-shadow:0 .16em #a6dbe6,0 .5em .8em #053c5a4d}.word{letter-spacing:.07em;white-space:nowrap}.l.done{color:var(--teal)}.locked .l.next{text-decoration:underline;-webkit-text-decoration-color:var(--coral);text-decoration-color:var(--coral);text-underline-offset:.12em;text-decoration-thickness:.12em}.foam{opacity:.95;background:radial-gradient(circle at 50% 0,#fff 0 .26em,#0000 .28em) 0 0/.7em .5em repeat-x;height:.5em;position:absolute;bottom:.05em;left:8%;right:8%}.locked .chip{transform:scale(1.1);box-shadow:0 0 0 .14em #19c9b8,0 .16em #6fd6cd,0 .6em 1em #053c5a59}.has-lock .wave:not(.locked) .chip{opacity:.82}.guide .chip{animation:.8s ease-in-out infinite alternate guide}.danger .chip{color:#8a1f12;background:#ffe3dd;border-color:#ffc2b8}.danger .swell{animation:.22s linear infinite shiver}.power .chip{background:linear-gradient(#fff6c2, var(--gold));color:#5e3600;border-color:#fff3b0;box-shadow:0 0 1.1em .25em #ffc83cbf,0 .16em #d98a00}.power.freeze .chip{color:#0d4a78;box-shadow:0 0 1.1em .25em #ffdc5acc, 0 0 0 .12em var(--gold), 0 .16em 0 #7cbbe0;background:linear-gradient(#f4fdff,#bfe9ff);border-color:#fff}.pw{width:1.15em;height:1.15em;display:inline-flex}.pw img{width:100%;height:100%}.wave.wrong .chip{animation:.26s ease-out nope}.field.frozen .chip{background:#e6f7ff;border-color:#bfeaff}.field.frozen .power .chip{background:linear-gradient(#fff6c2, var(--gold))}.wave.gone .swell{animation:.3s ease-out forwards gone}.wave.splat .swell{animation:.3s ease-out forwards splat}.wave.wash .swell{animation:.3s ease-out forwards wash}.sweep{background:linear-gradient(#fff0,#fffffff2 55%,#fff0);border-radius:40%;height:24%;animation:.65s ease-in forwards sweep;position:absolute;top:-10%}.coach{text-align:center;color:#fff;background:var(--deep);min-height:0;margin:0;padding:0 16px;font-weight:800}.coach:not(:empty){background:#0f4a6e;min-height:2.4em;padding:8px 16px;font-size:16px}.coach b{color:var(--gold);letter-spacing:.1em;text-transform:uppercase}.kbd{padding:6px 0 calc(8px + var(--safe-b));background:linear-gradient(#0e3a5a, var(--deep));display:none}body.touch .kbd{display:block}.krow{height:clamp(46px,7.4vh,58px);display:flex}.spacer{flex:.5}.key{cursor:pointer;background:0 0;border:0;flex:1;min-width:0;padding:0}.key i{height:calc(100% - 6px);color:var(--ink);pointer-events:none;background:#e9f7fb;border-radius:9px;place-items:center;margin:3px 2.5px;font-size:clamp(17px,5vw,23px);font-style:normal;font-weight:800;display:grid;box-shadow:0 3px #82bccb}.key svg{width:26px;height:26px}.key.back i{background:#c9dbe6}.key.down i{box-shadow:none;background:#b9e7f1;transform:translateY(3px)}.key.bad i{background:#ff9387}.key.hint i{background:#ffe58a;animation:.7s ease-in-out infinite alternate guide}.krow.focus .key i{background:#c8f4e6}#sheets 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b{font-size:18px}.lesson small{color:#5b7285;font-size:12.5px;font-weight:700}.help{gap:10px;display:grid}.hrow{background:#fff;border-radius:14px;gap:2px;padding:10px 12px;font-size:14.5px;font-weight:700;line-height:1.35;display:grid}.hrow b{color:var(--teal);font-size:16px}.hrow.gold{background:#fff1c2}.hrow.gold b{color:#b87500}.gi{vertical-align:-.2em;color:#0d6aa8;width:1.2em;height:1.2em;display:inline-block}.gi img{width:100%;height:100%}.help .btn{justify-self:center}.tiles{grid-template-columns:repeat(2,1fr);gap:8px;margin-top:14px;display:grid}.tile{background:#fff;border-radius:14px;gap:1px;padding:9px 12px;display:grid}.tile small{color:#5b7285;letter-spacing:.06em;text-transform:uppercase;font-size:11px;font-weight:800}.tile b{font-variant-numeric:tabular-nums;font-size:21px;font-weight:900}.chart{background:#fff;border-radius:14px;align-items:flex-end;gap:5px;height:80px;margin-top:8px;padding:6px 8px;display:flex}.chart i{background:linear-gradient(var(--teal), 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