:root{--bg: #0e1611;--panel: #16201a;--line: #2a3a30;--ink: #eef7f1;--dim: #93b3a4;--accent: #5a9c6a;--base: #1e2c24;--tile: #1c2922;--tile2: #243429;--pick: #234a32;--bad: #5a1f26}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#16261c,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:560px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:6px;font-weight:800;color:var(--accent)}.sub{margin:3px 0 0;color:var(--dim);font-size:13px}.bar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;margin:10px 0}.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);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:#06140c}.btn{background:var(--panel);border:1px solid var(--line);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:#06140c;border-color:var(--accent)}.scoreboard{display:flex;gap:10px;justify-content:center;margin:8px 0;flex-wrap:wrap}.readout{background:#0a120d;border:1px solid var(--line);border-radius:8px;padding:5px 16px;font:800 18px ui-monospace,monospace;color:var(--accent);min-width:92px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.msg{text-align:center;min-height:20px;margin:6px auto;color:var(--dim);font-size:13px;max-width:520px;line-height:1.4}.stage{position:relative}.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:8px;padding:10px;background:var(--panel);border:1px solid var(--line);border-radius:12px;min-height:120px}.shelf.err{animation:shake .32s}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.tile{display:flex;flex-direction:column;align-items:center;gap:2px;background:var(--tile);border:1px solid var(--line);border-radius:10px;padding:9px 6px;cursor:pointer;transition:transform .08s,border-color .12s}.tile:hover{background:var(--tile2);border-color:var(--accent);transform:translateY(-2px)}.tile.base{background:var(--base)}.tile.picked{border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.tile.flash{animation:flash .6s}@keyframes flash{0%{box-shadow:0 0 #5a9c6ae6}to{box-shadow:0 0 0 14px #5a9c6a00}}.tile .emoji{font-size:26px;line-height:1}.tile .formula{font:800 16px ui-monospace,monospace;color:var(--ink)}.tile .formula sub{font-size:.7em}.tile .tname{font-size:10px;color:var(--dim);text-align:center}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#080e0ad1;border-radius:12px;backdrop-filter:blur(3px)}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 26px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;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}.log{margin-top:14px}.logtitle{color:var(--dim);font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:4px 10px;font:700 13px ui-monospace,monospace;color:var(--accent)}.chip sub{font-size:.7em}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:14px;line-height:1.5}