:root{--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px);--safe-left:env(safe-area-inset-left,0px);--safe-right:env(safe-area-inset-right,0px);--navbar:48px;--bg:#12324a;--bg-deep:#0b2233;--text:#fff;--muted:#a9c0d1;--accent:#ffc83d;--danger:#ff6b5e;--ink:#1b2b38;--primary:var(--accent);--on-primary:var(--ink);--surface:#ffffff1f;--surface-strong:#ffffff38;--surface-weak:#ffffff14;--line:#ffffff14;--track:#ffffff26;--switch-off:#ffffff40;--body:#ffffffdb;--overlay:#050c14db;--card:#fff;--card-muted:#4b5b68;--card-button:#e8edf1;--toast-bg:#000000bf;--toast-text:#fff;word-break:keep-all;overflow-wrap:anywhere;color:var(--text);background:var(--bg-deep);font-family:system-ui,-apple-system,Apple SD Gothic Neo,Noto Sans KR,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:manipulation;height:100%;margin:0;overflow:hidden}#app{height:100%;padding:calc(var(--safe-top) + var(--navbar)) calc(var(--safe-right) + 12px) calc(var(--safe-bottom) + 12px) calc(var(--safe-left) + 12px);background:linear-gradient(var(--bg), var(--bg-deep));flex-direction:column;display:flex}button{font:inherit;color:inherit;cursor:pointer;border:0}.screen{flex-direction:column;flex:1;gap:12px;min-height:0;display:flex}.screen[hidden]{display:none}#title{text-align:center;justify-content:center;align-items:center;gap:20px}.brand img{border-radius:28px;width:112px;height:112px;box-shadow:0 8px 24px #0000004d}.brand img.hero{aspect-ratio:1;object-fit:contain;width:min(56vw,220px,26vh);height:auto;box-shadow:none;border-radius:0}.brand h1{letter-spacing:.02em;margin:16px 0 4px;font-size:34px}.brand p,#best{color:var(--muted);margin:0}#best{min-height:1.5em;color:var(--accent);font-weight:700}.menu{flex-direction:column;gap:10px;width:min(100%,300px);display:flex}.menu button{background:var(--surface);border-radius:14px;min-height:52px;font-size:17px;font-weight:700}.menu button.primary{background:var(--primary);color:var(--on-primary)}.menu button[hidden]{display:none}.notice{color:var(--muted);flex-direction:column;align-items:center;gap:8px;font-size:12px;display:flex}.notice p{margin:0}#rating{color:#3ecf6e;border:1.5px solid #3ecf6e;border-radius:999px;align-items:center;gap:7px;padding:2px 10px;font-weight:700;display:inline-flex}#page header{align-items:center;gap:4px;display:flex}#page h2{margin:0;font-size:20px}#back{background:0 0;width:44px;height:44px;margin-left:-8px;font-size:32px;line-height:1}#page .body{overscroll-behavior:contain;-webkit-user-select:text;user-select:text;min-height:0;color:var(--body);flex:1;font-size:15px;line-height:1.65;overflow-y:auto}#page .body h3{color:var(--text);margin:24px 0 4px;font-size:16px}#page .body p{margin:0 0 8px}#page .body ul{margin:0 0 8px;padding-left:20px}#page .body .small{color:var(--muted);font-size:12px}.group{background:var(--surface-weak);border-radius:14px;margin-bottom:16px;overflow:hidden}.item{text-align:left;width:100%;min-height:52px;color:var(--text);background:0 0;justify-content:space-between;align-items:center;gap:12px;padding:0 16px;font-size:16px;display:flex}.item+.item{border-top:1px solid var(--line)}.item span{color:var(--muted);text-align:right;font-size:14px}.item.link:after{content:"›";color:var(--muted);font-size:22px}.switch{background:var(--switch-off);border-radius:14px;flex:none;width:48px;height:28px;transition:background .15s;position:relative}.switch:after{content:"";background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .15s;position:absolute;top:3px;left:3px}[aria-checked=true] .switch{background:var(--primary)}[aria-checked=true] .switch:after{transform:translate(20px)}#page .body h3.chapter:first-child{margin-top:0}#page .body h3.chapter{margin-bottom:8px}#page .body .chapter-note{color:var(--muted);font-size:13px}.levels{grid-template-columns:repeat(2,1fr);gap:10px;padding-bottom:8px;display:grid}.level{background:var(--surface-weak);min-height:96px;box-shadow:inset 0 0 0 1px var(--line);text-align:left;font-variant-numeric:tabular-nums;color:var(--text);border-radius:14px;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 14px;line-height:1.4;display:flex}.level b{font-size:17px}.level span{color:var(--muted);font-size:13px}.level .rec{color:var(--accent);margin-top:auto;font-weight:600}.level.next{box-shadow:inset 0 0 0 2px var(--primary)}.level:disabled{opacity:.45;cursor:default}.level:disabled .rec{color:var(--muted);font-weight:400}#hud .row{font-variant-numeric:tabular-nums;justify-content:space-between;align-items:baseline;gap:12px;font-weight:700;display:flex}#hud .row>:first-child{font-size:18px}#hud .row>:last-child{color:var(--accent);font-size:16px}#timebar{background:var(--track);border-radius:4px;height:8px;margin-top:8px;overflow:hidden}#timebar i{background:var(--accent);transform-origin:0;border-radius:4px;width:100%;height:100%;display:block}#tools{grid-auto-columns:1fr;grid-auto-flow:column;gap:8px;display:grid}#tools button{background:var(--surface);border-radius:12px;min-height:48px;font-size:15px;font-weight:600}#tools button:disabled{opacity:.4}#tools button:active:not(:disabled){background:var(--surface-strong)}#toast{left:50%;bottom:calc(var(--safe-bottom) + 84px);background:var(--toast-bg);max-width:calc(100% - 32px);color:var(--toast-text);text-align:center;z-index:20;border-radius:20px;padding:10px 16px;font-size:14px;position:fixed;transform:translate(-50%)}#modal{background:var(--overlay);z-index:30;place-items:center;padding:24px;display:grid;position:fixed;inset:0}#modal[hidden],#toast[hidden]{display:none}#modal .card{background:var(--card);width:min(100%,340px);color:var(--ink);text-align:center;border-radius:20px;padding:28px 20px 20px;animation:.24s ease-out rise}@keyframes rise{0%{opacity:0;transform:translateY(8px)}}#modal .face{object-fit:contain;width:104px;height:104px;margin:-84px auto 4px;display:block}#modal .face[hidden]{display:none}#modal h2{margin:0 0 8px;font-size:22px}#modal p{color:var(--card-muted);white-space:pre-line;margin:0 0 20px;font-size:15px;line-height:1.5}#modal .actions{gap:8px;display:flex}#modal .actions.col{flex-direction:column}#modal .actions button{background:var(--card-button);min-height:50px;color:var(--ink);border-radius:12px;flex:1;padding:0 8px;font-size:16px;font-weight:700}#modal .actions button.primary{background:var(--primary);color:var(--on-primary)}@media (height<=760px){#title{gap:12px}.brand h1{margin-top:8px}}@media (prefers-reduced-motion:reduce){.switch,.switch:after{transition:none}#modal .card{animation:none}}#rating .rating-provider{font-size:10px;font-weight:500}:root{--bg:#0f4a50;--bg-deep:#0a3236;--accent:#f07a28;--primary:#f07a28;--on-primary:#1d1408;--muted:#a8cbcd;--water:#5fc3f0;--warn:#ff7a4d;--mid:#f0a428}#hud{gap:6px;display:grid}#site{font-weight:700}#limit{font-variant-numeric:tabular-nums;font-weight:700}#limit.low{color:var(--warn)}#moves,#swaps{color:var(--muted);font-variant-numeric:tabular-nums;font-size:14px}#note{color:var(--muted);min-height:1.3em;margin:0;font-size:12px}#timebar{background:#ffffff1f;border-radius:10px;height:32px;position:relative;overflow:hidden}#timebar[hidden]{display:none}#timebar i{transform-origin:0;background:#2b9aa1;transition:transform .1s linear,background .3s;position:absolute;inset:0}#timebar b{font-variant-numeric:tabular-nums;text-shadow:0 1px 2px #0006;justify-content:center;align-items:center;height:100%;font-size:16px;display:flex;position:relative}#timebar.mid i{background:var(--mid)}#timebar.low i{background:var(--warn)}#timebar.low{animation:.5s infinite alternate pulse}@keyframes pulse{to{box-shadow:0 0 0 4px #ff7a4d66}}#field{flex-direction:column;flex:1;align-items:center;width:100%;min-height:0;display:flex;position:relative}#board{border-radius:6px;flex:none;width:100%;transition:box-shadow .3s;display:grid}#board.low{box-shadow:0 0 0 3px #ff7a4da6}.edge{justify-content:center;align-items:center;display:flex}.edge .mark{color:#fff;border-radius:6px;place-items:center;width:90%;height:70%;font-size:12px;transition:background .6s;display:grid}.edge.in .mark{background:#0f6e73;box-shadow:inset 0 0 0 2px #5fc3f0}.edge.out .mark{background:#5b4f45}.edge.out.full .mark{background:var(--water)}.cell{aspect-ratio:1;touch-action:none;background-size:cover;position:relative}.cell .pipe{pointer-events:none;width:100%;height:100%;transition:transform .15s ease-out;position:absolute;inset:0}.cell.target{outline:3px solid var(--accent);outline-offset:-3px;z-index:1}.cell.lift{opacity:.35}.cell.locked:after{content:"";background:#5fc3f01f;position:absolute;inset:0}.cell.leak:before{content:"";border:3px dashed var(--warn);z-index:2;border-radius:6px;position:absolute;inset:3px}.cell.next:before{content:"";border:3px solid var(--water);z-index:2;border-radius:6px;animation:.6s infinite alternate blink;position:absolute;inset:2px}@keyframes blink{to{opacity:.2}}.cell.shock{animation:.5s 2 shock}@keyframes shock{50%{filter:brightness(1.6);background-color:#ffe46b}}#ghost{pointer-events:none;z-index:10;opacity:.92;filter:drop-shadow(0 6px 10px #00000059);background-size:cover;position:fixed}#ghost .pipe{width:100%;height:100%;position:absolute;inset:0}#valve[hidden]{display:none}#crew{pointer-events:none;justify-content:space-between;align-items:flex-end;display:flex;position:absolute;bottom:0;left:0;right:0}#crew.side{top:0;height:auto!important}#crew.side .mate{width:var(--side-w);aspect-ratio:3/4;height:auto;max-height:70%}#crew.side #hero{max-height:62%}.mate{aspect-ratio:3/4;height:100%;position:relative}#hero{height:89%}.mate .body{transform-origin:50% 97.7%;animation:3.4s ease-in-out infinite breathe;position:absolute;inset:0}#partner .body{animation-duration:4.1s;animation-delay:-1.7s}.mate img{object-fit:contain;opacity:0;width:100%;height:100%;transition:opacity .25s;position:absolute;inset:0}.mate img.on{opacity:1}.mate.flip img{transform:scaleX(-1)}@keyframes breathe{0%,to{transform:scale(1)rotate(0)}50%{transform:scale(1.004,1.014)rotate(.35deg)}}#crew.hop .mate{animation:.6s ease-out hop}#crew.hop #partner{animation-delay:80ms}@keyframes hop{30%{transform:translateY(-7%)}60%{transform:translateY(0)}75%{transform:translateY(-2%)}}#party{z-index:50;padding-bottom:calc(10vh + var(--safe-bottom));background:radial-gradient(80% 60% at 50% 72%,#7cc6ec 0%,#2b8f9a 45%,#0b4f55 100%);justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0;overflow:hidden}#party[hidden]{display:none}#party .star{aspect-ratio:3/4;will-change:transform;flex:none;height:min(66vh,96vw,700px);position:relative}#party .star.hero{z-index:1;height:min(60vh,87vw,640px);margin-right:min(-30vw,-150px)}#party .star img{object-fit:contain;opacity:0;width:100%;height:100%;position:absolute;inset:0}#party .star img.on{opacity:1}#party .star.partner img{transform:scaleX(-1)}#party .drop{background:radial-gradient(circle at 35% 30%,#fff 0 16%,#9fdcfa 42%,#2f93d1 100%);border-radius:50%/60% 60% 40% 40%;width:10px;height:13px;position:absolute}@media (prefers-reduced-motion:reduce){.mate .body,#crew.hop .mate,#timebar.low,.cell.next:before{animation:none}}