:root{--bg: #0e1422;--panel: #182236;--grid: #233048;--cell: #2c3a55;--ink: #eaf1ff;--dim: #9fb0cf;--accent: #38e1c6;--minus: #ff6b6b}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#14203a,var(--bg));color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;display:flex;justify-content:center;-webkit-user-select:none;user-select:none}#app{width:100%;max-width:480px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:30px;letter-spacing:1px;font-weight:800;color:var(--accent)}.sub{margin:4px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:9px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--grid);border-radius:999px;overflow:hidden}.seg button{background:none;border:none;color:var(--dim);padding:6px 13px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#062e28}.btn{background:var(--panel);border:1px solid var(--grid);color:var(--ink);padding:7px 14px;border-radius:999px;font:700 13px system-ui;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn.primary{background:var(--accent);color:#062e28;border-color:var(--accent)}.scoreboard{display:flex;gap:8px;justify-content:center;margin:8px 0;flex-wrap:wrap}.readout{background:var(--panel);border:1px solid var(--grid);border-radius:8px;padding:5px 14px;font:800 19px ui-monospace,monospace;color:var(--ink);min-width:72px;text-align:center}.readout.accent{color:var(--accent);border-color:var(--accent)}.readout span{color:var(--dim);font-size:10px;display:block;font-weight:600;letter-spacing:.5px}.stage{position:relative;display:flex;justify-content:center}.grid{background:var(--grid);border-radius:12px;padding:8px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:min(94vw,440px);aspect-ratio:1}.cell{background:var(--cell);border-radius:7px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:clamp(18px,7vw,34px)}.cell.e{background:#ffffff0a}.cell.num{background:#3b6ea5;color:#eaf1ff}.cell.num.near{background:#4f8fd0;box-shadow:inset 0 0 0 2px #38e1c659}.cell.num.hit{background:var(--accent);color:#062e28;box-shadow:0 0 18px #38e1c699}.cell.minus{background:#3a1f28;color:var(--minus);box-shadow:inset 0 0 0 2px #ff6b6b66}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080c16cc;border-radius:12px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--grid);border-radius:16px;padding:22px 26px;text-align:center;max-width:320px}.card h2{margin:0 0 6px;font-size:26px;color:var(--accent)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .row{display:flex;gap:8px;justify-content:center;margin-top:14px}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:10px;line-height:1.5}