:root{--bg:#07111f;--panel:#0d1b2a;--text:#eef6ff;--muted:#9db0c5;--accent:#4da3ff;--good:#3ddc97;--line:#24415f;--teamA:#4da3ff;--teamB:#bc7cff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#102a46 0,#07111f 42%,#050b13 100%);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif;min-height:100vh}.shell{width:min(980px,94vw);margin:auto;padding:28px 0 60px}.brand{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}.logo{font-weight:900;letter-spacing:.07em}.teacher,.small{color:var(--muted);font-size:.88rem}.card{background:rgba(13,27,42,.94);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 18px 50px rgba(0,0,0,.24);margin:16px 0}.hero{text-align:center;padding:32px 22px}.hero h1{font-size:clamp(1.8rem,4vw,3rem);margin:0 0 8px}.hero p{color:var(--muted)}.meta,.grid3{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field label{display:block;color:var(--muted);font-size:.85rem;margin-bottom:7px}input,select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:#071522;color:var(--text);font-size:1rem}.team-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.team-btn{padding:15px;border-radius:14px;border:2px solid var(--line);background:#091827;color:white;font-weight:900;cursor:pointer}.team-btn[data-team=A].selected{border-color:var(--teamA);box-shadow:0 0 0 3px rgba(77,163,255,.15)}.team-btn[data-team=B].selected{border-color:var(--teamB);box-shadow:0 0 0 3px rgba(188,124,255,.15)}.btn{border:0;border-radius:12px;padding:13px 18px;font-weight:900;cursor:pointer;background:linear-gradient(135deg,var(--accent),#276be8);color:white}.btn.secondary{background:#122941;border:1px solid var(--line)}.hidden{display:none!important}.progress-wrap{position:sticky;top:0;z-index:10;padding:10px 0;background:linear-gradient(#07111f 70%,transparent)}.progress{height:10px;background:#10243a;border-radius:999px;overflow:hidden;border:1px solid var(--line)}.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#78c4ff);transition:.25s}.qhead{display:flex;justify-content:space-between;gap:12px}.qnum{color:#78c4ff;font-weight:900}.qtext{font-size:1.18rem;line-height:1.5;margin:16px 0}.option{display:block;width:100%;text-align:left;margin:10px 0;padding:14px 15px;background:#0a1a2a;border:1px solid var(--line);border-radius:13px;color:var(--text);cursor:pointer;font-size:1rem}.option:hover{border-color:#47739d}.option.selected{border-color:var(--accent);background:#102d49}.score-big{font-size:4rem;font-weight:900;color:var(--good);margin:.2em 0}.grid3{grid-template-columns:repeat(3,1fr)}.stat{padding:14px;border-radius:14px;background:#0a1a2a;border:1px solid var(--line);text-align:center}.stat b{display:block;font-size:1.35rem}.notice{color:#ffd479;background:#2c2512;border:1px solid #6a5622;padding:12px;border-radius:12px}.ok{color:#b8f8d9;background:#0c2d23;border:1px solid #256a50;padding:12px;border-radius:12px}.actions{display:flex;gap:10px;flex-wrap:wrap}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{color:#78c4ff;position:sticky;top:0;background:#0d1b2a}.table-wrap{overflow:auto;max-height:65vh}.pill{display:inline-block;padding:4px 8px;border-radius:999px;font-weight:900}.pill.A{background:rgba(77,163,255,.16);color:#84c0ff}.pill.B{background:rgba(188,124,255,.16);color:#d0a7ff}a{color:#78c4ff}@media(max-width:700px){.meta,.grid3{grid-template-columns:1fr}.card{padding:17px}.shell{padding-top:15px}}