*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Arial,sans-serif;background:#f0f4ff;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}._card_7m4hf_1{background:#fff;border-radius:16px;box-shadow:0 4px 24px #0000001f;padding:32px;width:100%;max-width:480px}._h1_7m4hf_9{text-align:center;font-size:26px;font-weight:800;color:#1e3a8a;margin-bottom:4px}._subtitle_7m4hf_16{text-align:center;color:#6b7280;margin-bottom:24px}._grid_7m4hf_21{display:grid;gap:12px;margin-bottom:24px}._label_7m4hf_26{font-weight:600;color:#374151;font-size:15px}._btnGroup_7m4hf_31{display:flex;gap:8px;flex-wrap:wrap}._btn_7m4hf_31{padding:8px 16px;border-radius:8px;border:2px solid #d1d5db;background:#f9fafb;cursor:pointer;font-weight:600;font-size:14px}._btnActive_7m4hf_45{padding:8px 16px;border-radius:8px;border:2px solid #1e40af;background:#dbeafe;color:#1e40af;cursor:pointer;font-weight:700;font-size:14px}._startBtn_7m4hf_55{width:100%;padding:14px;background:#1e40af;color:#fff;border:none;border-radius:10px;font-size:18px;font-weight:700;cursor:pointer;margin-top:8px}._startBtn_7m4hf_55:hover{background:#1d4ed8}._hint_7m4hf_70{color:#666;font-size:13px;margin-top:16px;text-align:center}._card_15kv2_1{background:#fff;border-radius:16px;box-shadow:0 4px 24px #0000001f;padding:32px;width:100%;max-width:480px}._topBar_15kv2_9{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}._qCount_15kv2_15{font-weight:600;color:#374151}._liveScore_15kv2_19{font-weight:700;color:#16a34a;font-size:18px}._timer_15kv2_24{font-weight:800;font-size:20px}._normal_15kv2_28{color:#1e40af}._urgent_15kv2_31{color:#ef4444}._progressBar_15kv2_34{height:8px;background:#e5e7eb;border-radius:4px;margin-bottom:24px;overflow:hidden}._progressFill_15kv2_41{height:100%;background:#1e40af;border-radius:4px;transition:width .3s}._question_15kv2_47{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:28px}._questionText_15kv2_54{font-size:42px;font-weight:800;color:#1e3a8a}._inputDisplay_15kv2_59{font-size:42px;font-weight:800;color:#1e40af;min-width:80px;text-align:center;border-bottom:4px solid #1e40af;padding-bottom:4px}._empty_15kv2_68{color:#ccc}._numpad_15kv2_71{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}._numKey_15kv2_76{padding:18px 0;font-size:22px;font-weight:700;border-radius:10px;border:2px solid #d1d5db;background:#f9fafb;cursor:pointer}._numKey_15kv2_76:hover{background:#e5e7eb}._enterKey_15kv2_88{padding:18px 0;font-size:16px;font-weight:700;border-radius:10px;border:none;background:#1e40af;color:#fff;cursor:pointer}._enterKey_15kv2_88:hover{background:#1d4ed8}._backKey_15kv2_101{padding:18px 0;font-size:22px;font-weight:700;border-radius:10px;border:2px solid #fca5a5;background:#fff1f2;color:#dc2626;cursor:pointer}._backKey_15kv2_101:hover{background:#fee2e2}._interstitial_15kv2_114{text-align:center;padding:40px 0}._icon_15kv2_118{font-size:48px}._interstitial_15kv2_114 p{color:#555;font-size:18px;margin-top:12px}._card_vrm0r_1{background:#fff;border-radius:16px;box-shadow:0 4px 24px #0000001f;padding:32px;width:100%;max-width:480px}._h1_vrm0r_9{text-align:center;font-size:26px;font-weight:800;color:#1e3a8a;margin-bottom:12px}._scoreBig_vrm0r_16{display:flex;align-items:baseline;justify-content:center;gap:4px;margin-bottom:8px}._scoreNum_vrm0r_23{font-size:64px;font-weight:800}._scoreDenom_vrm0r_27{font-size:28px;color:#888}._meta_vrm0r_31{text-align:center;color:#555;margin-bottom:16px}._grid_vrm0r_36{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:24px;max-height:360px;overflow-y:auto}._item_vrm0r_44{border-radius:8px;padding:10px 12px}._correct_vrm0r_48{background:#dcfce7}._wrong_vrm0r_51{background:#fee2e2}._itemQ_vrm0r_54{font-weight:700}._itemGiven_vrm0r_57{font-size:12px;color:#666}._retryBtn_vrm0r_61{width:100%;padding:14px;background:#1e40af;color:#fff;border:none;border-radius:10px;font-size:18px;font-weight:700;cursor:pointer}._retryBtn_vrm0r_61:hover{background:#1d4ed8}