:root{--bg: #160d14;--panel: #241620;--line: #3a2532;--ink: #f6eef3;--dim: #c39bb1;--accent: #b05f8a;--accent2: #e58fb8;--ok: #4ec98a;--bad: #d65a6e;--gold: #e6c14e}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:radial-gradient(900px 560px at 50% -8%,#2a1322,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:540px;padding:12px 12px 26px}header{text-align:center;margin-bottom:6px}h1{margin:0;font-size:28px;letter-spacing:5px;font-weight:800;color:var(--accent2);text-shadow:0 0 18px rgba(176,95,138,.5)}.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 14px;font:600 13px system-ui;cursor:pointer}.seg button.active{background:var(--accent);color:#fff}.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(--accent2)}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.scoreboard{display:flex;gap:8px;justify-content:center;margin:10px 0;flex-wrap:wrap}.readout{background:#120810;border:1px solid var(--line);border-radius:8px;padding:5px 14px;font:800 18px ui-monospace,monospace;color:var(--accent2);min-width:84px;text-align:center}.readout span{color:var(--dim);font-size:11px;display:block;font-weight:600;letter-spacing:.5px}.readout.lives{color:var(--gold)}.stage{position:relative}.qcard{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}.qmeta{display:flex;justify-content:space-between;align-items:center;color:var(--dim);font-size:12px;margin-bottom:8px}.diffpill{display:inline-block;padding:2px 9px;border-radius:999px;font-weight:700;font-size:11px}.diffpill.d1{background:#1c3a2a;color:var(--ok)}.diffpill.d2{background:#3a3216;color:var(--gold)}.diffpill.d3{background:#3a1a22;color:var(--bad)}.qtext{font-size:19px;font-weight:700;line-height:1.35;margin:4px 0 14px;min-height:52px}.opts{display:grid;gap:8px}.opt{display:flex;align-items:center;gap:10px;text-align:left;background:#1b0f17;border:1px solid var(--line);color:var(--ink);padding:12px 14px;border-radius:10px;font:600 15px system-ui;cursor:pointer}.opt:hover{border-color:var(--accent2)}.opt .key{width:24px;height:24px;flex:0 0 24px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--accent);color:#fff;font:800 13px ui-monospace,monospace}.opt.correct{background:#16321f;border-color:var(--ok)}.opt.wrong{background:#321218;border-color:var(--bad)}.opt.predict{box-shadow:inset 0 0 0 2px var(--gold)}.opt.disabled{opacity:.85;cursor:default;pointer-events:none}.opt .crowdbar{margin-left:auto;height:6px;border-radius:3px;background:var(--accent2);opacity:.55;min-width:4px}.predictpanel{background:#1b0f17;border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin:12px 0 4px;font-size:13px;color:var(--dim);text-align:center}.predictpanel.armed{border-color:var(--gold);color:var(--gold)}.predictpanel b{color:var(--gold)}.feedback{text-align:center;min-height:22px;margin-top:10px;font-weight:700;font-size:14px}.feedback.good{color:var(--ok)}.feedback.bad{color:var(--bad)}.feedback.gold{color:var(--gold)}.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0a0509d1;backdrop-filter:blur(3px);z-index:10}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px 28px;text-align:center;max-width:340px}.card h2{margin:0 0 6px;font-size:24px;color:var(--accent2)}.card p{margin:6px 0;color:var(--dim);font-size:14px}.card .big{font:800 30px ui-monospace,monospace;color:var(--gold);margin:8px 0}.card .row{display:flex;gap:8px;justify-content:center;margin-top:16px;flex-wrap:wrap}.hint{text-align:center;color:var(--dim);font-size:12px;margin-top:14px;line-height:1.5}