:root{--void: #0b1016;--tube: #101820;--phos: #9ef0ff;--phos-dim: #7aa8b6;--amber: #f6c15c;--steel: #1c2834;--mist: #e4eef2;--panel: #16222c;--safe: env(safe-area-inset-bottom, 0px);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(720px 280px at 50% -8%,rgba(158,240,255,.14),transparent 55%),radial-gradient(520px 240px at 100% 100%,rgba(246,193,92,.1),transparent 48%),var(--void);color:var(--mist);font-family:Zen Kaku Gothic New,Hiragino Sans,sans-serif}#app{width:min(52rem,100%);margin:0 auto;padding:14px 12px calc(22px + var(--safe));display:grid;gap:10px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{display:flex;gap:10px;align-items:center}.mark{width:46px;height:46px;display:grid;place-items:center;border:1px solid var(--phos);color:var(--phos);font-family:Chakra Petch,monospace;font-size:18px;letter-spacing:.04em;box-shadow:0 0 16px #8fe8ff2e}.eyebrow{margin:0;color:var(--amber);font-family:Share Tech Mono,monospace;font-size:11px;letter-spacing:.18em}h1,h2{margin:0;font-family:Chakra Petch,sans-serif;font-weight:600;letter-spacing:.08em}h1{font-size:clamp(20px,4vw,28px);line-height:1.2}.ver{margin:2px 0 0;font-family:Share Tech Mono,monospace;font-size:12px;letter-spacing:.14em;color:var(--phos-dim)}.stats{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.pill,.ghost,.card button,.pad,.fire,.thrust,.start,.again{font-family:inherit}.pill,.ghost{border:1px solid rgba(158,240,255,.4);background:#152028;color:var(--mist);padding:6px 11px;font-size:13px;border-radius:0}.pill.gold{color:var(--amber);border-color:#f0b14a73}.ghost{cursor:pointer}.ghost:hover{border-color:var(--phos)}.stage{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(240px,.7fr);gap:14px;align-items:start}.tube-wrap{position:relative;background:var(--steel);border:1px solid rgba(158,240,255,.45);box-shadow:inset 0 0 0 6px #243240,0 0 24px #9ef0ff1f,0 18px 40px #00000073;overflow:hidden}#space{display:block;width:100%;aspect-ratio:3 / 2;height:auto;background:#05080c;touch-action:none}.tube-wrap:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:repeating-linear-gradient(to bottom,transparent 0 2px,rgba(5,8,12,.16) 2px 3px)}.modal{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#080e14b8;padding:14px;overflow:auto}.modal.hidden{display:none}.sheet{width:min(24rem,94%);background:#1a2834;border:1px solid rgba(158,240,255,.55);padding:20px 16px 14px;text-align:center;box-shadow:0 12px 32px #0006}.sheet h2{margin:6px 0 10px;font-size:28px;color:var(--phos)}.sheet p{margin:0 0 14px;color:var(--mist);font-size:13px;line-height:1.65}.sheet .big{font-family:Chakra Petch,monospace;font-size:48px;line-height:.9;color:var(--amber)}.deck{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:8px;padding:10px;background:#15202a}.pad,.thrust,.fire,.start,.again,.card button{border:0;cursor:pointer;font-weight:700}.pad,.thrust,.fire{min-height:54px;letter-spacing:.12em;font-size:14px;color:var(--phos);background:#1c2a36;border:1px solid rgba(158,240,255,.45)}.thrust{color:var(--amber);border-color:#f0b14a66}.fire{grid-column:1 / -1;background:#203040;color:var(--phos)}.pad:active,.thrust:active,.fire:active{transform:translateY(1px);box-shadow:inset 0 0 18px #8fe8ff1f}.start,.again{min-height:48px;width:100%;letter-spacing:.16em;background:var(--phos);color:#061018}.status{margin:0;padding:0 10px 10px;min-height:1.4em;color:var(--mist);font-size:12px}.shop{background:var(--panel);border:1px solid rgba(158,240,255,.35);padding:14px 12px 12px}.shop-head h2{font-size:20px;color:var(--phos)}.shop-head p{margin:6px 0 12px;color:var(--mist);font-size:12px;line-height:1.6}.cards{display:grid;gap:10px}.card{padding:10px;background:#101820;border:1px solid rgba(158,240,255,.28)}.card-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline}.card h3{margin:0;font-size:15px}.lv{font-family:Chakra Petch,monospace;font-size:15px;color:var(--amber)}.card p{margin:6px 0 10px;color:#c5d4dc;font-size:12px;line-height:1.55}.card button{width:100%;padding:8px 10px;background:var(--amber);color:#16120a;font-size:13px;letter-spacing:.04em}.shop-foot{margin-top:12px}.ghost.wide{width:100%}.over-cards{text-align:left;margin:0 0 10px}button:focus-visible{outline:2px solid var(--amber);outline-offset:2px}.start:disabled,.again:disabled,.card button:disabled,.ghost:disabled,.pad:disabled,.thrust:disabled,.fire:disabled{opacity:.35;cursor:default}@media(max-width:860px){.stage{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:stretch}.stats{justify-content:flex-start}}@media(prefers-reduced-motion:reduce){.pad,.thrust,.fire{transform:none}}