:root{
  color-scheme:dark;
  --bg:#081112;--panel:#101d1e;--panel-2:#152526;--line:rgba(255,255,255,.09);
  --text:#f1f5ee;--muted:#8fa29d;--accent:#d8ef77;--accent-2:#73d8d0;--danger:#ffcc76
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);font-family:ui-rounded,"Hiragino Sans","Yu Gothic",system-ui,sans-serif;color:var(--text)}
body{overscroll-behavior:none;background:radial-gradient(circle at 50% -10%,#173234 0,#081112 44%)}
button{font:inherit;-webkit-tap-highlight-color:transparent}
.app-shell{width:min(100%,520px);margin:0 auto;padding:calc(14px + env(safe-area-inset-top)) 14px calc(28px + env(safe-area-inset-bottom))}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:2px 2px 13px}
.eyebrow{margin:0 0 2px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.18em}
h1{font-size:24px;line-height:1.05;margin:0;letter-spacing:-.04em}
.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.04);color:var(--text);font-size:22px}.icon-btn:active{transform:scale(.94)}
.stage-strip{margin:0 -14px 12px;overflow:hidden}.stage-tabs{display:flex;gap:7px;overflow-x:auto;padding:0 14px 5px;scrollbar-width:none}.stage-tabs::-webkit-scrollbar{display:none}
.stage-tab{flex:0 0 auto;border:1px solid var(--line);background:#0e1a1b;color:var(--muted);border-radius:999px;padding:8px 11px;font-size:11px;font-weight:800;white-space:nowrap}.stage-tab.active{background:var(--text);color:#0a1415;border-color:var(--text)}.stage-tab.locked{opacity:.35}
.hud{display:grid;grid-template-columns:1.9fr .75fr .75fr;gap:8px;margin-bottom:9px}.hud-card{min-width:0;border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.02));border-radius:15px;padding:10px 11px;display:flex;flex-direction:column;justify-content:center}
.hud-card .label,.label{font-size:9px;letter-spacing:.09em;color:var(--muted);font-weight:800;text-transform:uppercase}.hud-card strong{font-size:18px;line-height:1.1;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hud-card strong small{font-size:10px;color:var(--muted);margin-left:1px}.hud-card>small{font-size:9px;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.water-card.pulse{animation:hudPulse .36s ease}@keyframes hudPulse{50%{border-color:rgba(115,216,208,.75);transform:scale(1.04)}}
.game-card{position:relative;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#183335;box-shadow:0 22px 55px rgba(0,0,0,.34);touch-action:none}#gameCanvas{display:block;width:100%;aspect-ratio:1/1.12;background:#244b4b}
.goal-banner{position:absolute;top:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:7px;max-width:80%;padding:8px 12px;border-radius:999px;background:rgba(5,16,17,.82);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(8px);font-size:11px;pointer-events:none;transition:.2s ease;white-space:nowrap;box-shadow:0 8px 26px rgba(0,0,0,.22)}
.goal-banner span{display:grid;place-items:center;width:19px;height:19px;border-radius:50%;background:var(--accent);color:#12200f;font-weight:1000}.goal-banner strong{overflow:hidden;text-overflow:ellipsis}.goal-banner.alert{border-color:rgba(216,239,119,.55);animation:goalPulse 1s ease-in-out infinite}@keyframes goalPulse{50%{transform:translateX(-50%) scale(1.025);box-shadow:0 0 0 7px rgba(216,239,119,.06)}}
.depth-scale{position:absolute;right:9px;top:50%;transform:translateY(-50%);height:34%;display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;pointer-events:none}.depth-scale span{font-size:8px;font-weight:800;color:rgba(255,255,255,.6);text-shadow:0 1px 3px rgba(0,0,0,.55)}.depth-scale i{display:block;width:1px;flex:1;margin:3px 7px;background:rgba(255,255,255,.25)}
.intro-panel,.complete-panel{position:absolute;inset:auto 16px 16px;background:rgba(7,18,19,.92);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:16px;box-shadow:0 16px 45px rgba(0,0,0,.45)}.intro-panel p,.complete-panel p{margin:0;color:#b6c4c0;font-size:12px}.intro-panel>p:first-child,.complete-kicker{font-size:9px!important;color:var(--accent)!important;font-weight:900;letter-spacing:.16em;margin-bottom:4px!important}.intro-panel h2,.complete-panel h2{margin:0 0 4px;font-size:24px;letter-spacing:-.04em}
.primary-btn{width:100%;border:0;border-radius:15px;margin-top:13px;padding:13px 16px;background:var(--accent);color:#142011;font-weight:900;box-shadow:0 8px 24px rgba(216,239,119,.16);display:flex;justify-content:center;align-items:center;gap:9px}.primary-btn b{font-size:18px}.primary-btn:active{transform:scale(.98)}
.next-tease{margin-top:12px;padding:10px 12px;border-radius:13px;background:rgba(255,255,255,.05);font-size:10px;color:#b7c8c3}.next-tease strong{display:block;color:var(--text);font-size:13px;margin-top:2px}.hidden{display:none!important}
.toast{position:absolute;left:50%;top:54px;transform:translate(-50%,-8px);opacity:0;pointer-events:none;background:rgba(7,17,18,.9);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:8px 12px;font-size:11px;font-weight:900;white-space:nowrap;transition:.2s ease;z-index:5}.toast.show{transform:translate(-50%,0);opacity:1}
.control-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:9px}.pump-meter,.boost-btn{border:1px solid var(--line);border-radius:16px;background:var(--panel);min-height:68px}.pump-meter{padding:10px 12px;position:relative;overflow:hidden}.pump-meter.active:after{content:"";position:absolute;inset:-40%;background:linear-gradient(110deg,transparent 42%,rgba(115,216,208,.12) 50%,transparent 58%);animation:pumpSweep 1.15s linear infinite}@keyframes pumpSweep{to{transform:translateX(50%)}}
.pump-copy{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.pump-copy strong{font-size:11px}.meter{height:6px;background:rgba(255,255,255,.06);border-radius:99px;margin-top:12px;overflow:hidden}.meter i{display:block;height:100%;width:18%;background:linear-gradient(90deg,var(--accent-2),var(--accent));border-radius:99px;transition:width .25s ease}
.boost-btn{color:var(--text);padding:10px 12px;text-align:left;display:flex;flex-direction:column;justify-content:center;transition:.12s ease}.boost-btn:active,.boost-btn.flash{transform:scale(.97);background:#183033;border-color:rgba(115,216,208,.45)}.boost-btn span{font-size:12px;font-weight:900}.boost-btn small{font-size:9px;color:var(--muted);margin-top:3px}
.discovery-panel{margin-top:16px;border-top:1px solid var(--line);padding-top:16px}.section-head{display:flex;justify-content:space-between;align-items:flex-end}.section-head h2{font-size:17px;margin:0}.record-pill{font-size:10px;font-weight:900;border:1px solid var(--line);border-radius:99px;padding:6px 9px;color:var(--muted)}
.discoveries{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:10px}.discoveries.empty{display:block;border:1px dashed var(--line);border-radius:16px;padding:17px;text-align:center;color:var(--muted);font-size:11px}.discovery{border:1px solid var(--line);border-radius:15px;background:var(--panel);padding:10px;min-height:78px;display:flex;flex-direction:column;justify-content:space-between;animation:cardIn .28s ease both}@keyframes cardIn{from{opacity:0;transform:translateY(5px) scale(.97)}}.discovery .glyph{font-size:22px;line-height:1}.discovery strong{font-size:10px;line-height:1.25}.discovery small{font-size:8px;color:var(--muted);margin-top:3px}.discovery.rare{border-color:rgba(216,239,119,.35);background:linear-gradient(155deg,rgba(216,239,119,.09),var(--panel))}.footnote{font-size:9px;line-height:1.6;color:#667b76;text-align:center;margin:16px 14px 0}
@media (min-width:700px){body{padding:24px 0}.app-shell{border:1px solid rgba(255,255,255,.06);border-radius:28px;background:rgba(5,12,13,.55)}}