:root{font-family:IBM Plex Sans,Segoe UI,sans-serif;line-height:1.5;font-weight:400;color:#e8edf2;background:radial-gradient(circle at 20% 10%,#1d3557,#111827 60%,#0b1020)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit}.app-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.card{width:min(720px,100%);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:1.5rem;background:#070b16cc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.title{margin:0;font-size:clamp(1.3rem,2vw,1.8rem)}.text-muted{color:#9eb1c7}.kv{display:grid;grid-template-columns:160px 1fr;gap:.5rem;margin-top:1rem;font-family:IBM Plex Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem}.btn{margin-top:1rem;border:0;border-radius:10px;padding:.7rem 1rem;cursor:pointer;color:#0b1020;background:#7dd3fc;font-weight:600}.session-exit-btn{position:fixed;top:.75rem;right:.75rem;z-index:999;border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:.45rem .8rem;background:#061424e6;color:#e6f5ff;font-weight:600;cursor:pointer}.session-exit-btn:disabled{opacity:.65;cursor:progress}.session-banner{position:fixed;top:3rem;right:.75rem;z-index:998;width:min(430px,calc(100vw - 1.5rem));border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:.55rem .7rem;background:#040e1ceb;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.session-banner-row{display:grid;grid-template-columns:112px 1fr;gap:.5rem;font-size:.8rem}.session-banner-row+.session-banner-row{margin-top:.2rem}.session-banner-key{color:#8fb5d5}.session-banner-val{color:#e7f3ff;font-family:IBM Plex Mono,ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere}.game-card{width:min(940px,100%);padding:1.2rem}.game-header{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.hud{margin-top:.8rem;display:flex;flex-wrap:wrap;gap:.5rem}.chip{margin:0;font-size:.92rem;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:.35rem .65rem;background:#ffffff0f}.lives-row{margin-top:.4rem}.life{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:#ffffff59}.life-on{color:#d6f4ff}.lake{position:relative;margin-top:1rem;width:100%;aspect-ratio:12 / 7;overflow:hidden;border-radius:18px;border:1px solid rgba(167,219,255,.35);background:radial-gradient(circle at 20% 15%,rgba(196,242,255,.28) 0%,transparent 40%),radial-gradient(circle at 85% 20%,rgba(123,191,233,.22) 0%,transparent 46%),linear-gradient(160deg,#1d5e8d,#1a739e 38%,#0f4f7f 70%,#0c3d67)}.lake:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(175deg,rgba(255,255,255,.12) 0,rgba(255,255,255,.12) 2px,transparent 2px,transparent 22px);opacity:.15;animation:drift 5.8s linear infinite;pointer-events:none}.boat,.buoy,.rock{position:absolute;transform:translate(-50%,-50%)}.player-boat{border-radius:8px 8px 14px 14px;border:1px solid rgba(8,27,44,.9);background:linear-gradient(180deg,#f7fcff,#d6ebff 60%,#93b9db);box-shadow:0 4px 10px #00000047}.boat-cabin{position:absolute;left:35%;top:-38%;width:30%;height:62%;border-radius:5px 5px 0 0;background:#fefae0;border:1px solid rgba(5,15,24,.6)}.buoy{border-radius:999px;border:1px solid rgba(88,44,7,.7);background:radial-gradient(circle at 32% 28%,#ffd8ae,#ffb15c 45%,#d46e0b)}.rock{border-radius:45% 55% 48% 52%;background:linear-gradient(160deg,#7b8a95,#566571 48%,#3d4b57);border:1px solid rgba(12,19,28,.75)}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:1.2rem;background:#030e1cb8;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.overlay h2{margin:0;font-size:clamp(1.2rem,2.2vw,1.8rem)}.overlay p{margin:.6rem 0 0;max-width:36ch;color:#d5e8f5}.game-controls{margin-top:1rem;display:flex;gap:1rem;align-items:center;justify-content:space-between}.pad{display:grid;grid-template-columns:repeat(3,minmax(44px,64px));grid-template-rows:repeat(3,minmax(40px,56px));gap:.35rem;grid-template-areas:". up ." "left . right" ". down ."}.pad-btn{border:1px solid rgba(255,255,255,.25);background:#ffffff1a;color:#ecf8ff;border-radius:10px;font-weight:600;font-size:.82rem;touch-action:none}.pad-btn:active{background:#7cd3fc73}.up{grid-area:up}.left{grid-area:left}.right{grid-area:right}.down{grid-area:down}.game-help{margin-top:.9rem;font-size:.9rem}@keyframes drift{0%{transform:translateY(0)}to{transform:translateY(22px)}}@media(max-width:760px){.app-shell{padding:.75rem;align-items:stretch}.card{border-radius:14px}.game-header{flex-direction:column;align-items:flex-start}.game-controls{flex-direction:column;align-items:stretch}.session-banner{top:3.1rem;right:.5rem;left:.5rem;width:auto}.session-banner-row{grid-template-columns:104px 1fr}}