:root{--ink:#101828;--muted:#667085;--line:#e4e7ec;--blue:#2458ff;--green:#16875a;--red:#c7352b;--orange:#f97316;--yellow:#f5c518;--bg:#f6f8fc}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif}
.sim-wrap{width:min(1120px,94%);margin:28px auto 90px}
.sim-hero{background:linear-gradient(135deg,#111827,#1f2937 60%,#312e81);color:#fff;border-radius:24px;padding:28px;box-shadow:0 16px 42px rgba(17,24,39,.15)}
.sim-tag{display:inline-flex;padding:6px 9px;border-radius:999px;background:#263244;color:var(--yellow);font-size:10px;font-weight:950;letter-spacing:.6px}
.sim-hero h1{font-size:36px;margin:12px 0 7px}.sim-hero p{margin:0;color:#cbd5e1;line-height:1.6;max-width:850px}
.sim-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}.sim-stat{background:#fff;border:1px solid var(--line);border-radius:15px;padding:14px}.sim-stat span{display:block;font-size:9px;color:var(--muted);font-weight:900;letter-spacing:.5px}.sim-stat strong{display:block;font-size:22px;margin-top:5px}
.sim-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:14px;align-items:start}
.sim-card,.sim-side,.sim-result,.review-card{background:#fff;border:1px solid var(--line);border-radius:19px;box-shadow:0 8px 24px rgba(17,24,39,.04)}
.sim-card{padding:22px}.sim-side{padding:16px;position:sticky;top:90px}.sim-meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:12px;color:var(--muted);font-size:10px;font-weight:850}.sim-badge{display:inline-flex;padding:6px 9px;border-radius:999px;background:#eef3ff;color:var(--blue);font-weight:950}
.sim-card h2{font-size:19px;line-height:1.5;margin:0 0 16px}.sim-options{display:grid;gap:9px}.sim-option{width:100%;text-align:left;border:1px solid #dfe4ea;background:#fff;border-radius:12px;padding:13px 14px;cursor:pointer;font-size:13px;line-height:1.45;color:#344054}.sim-option:hover{border-color:#9bb0ff;background:#f8faff}.sim-option.selected{border-color:var(--blue);box-shadow:0 0 0 2px rgba(36,88,255,.09)}
.sim-actions{display:flex;justify-content:space-between;gap:9px;flex-wrap:wrap;margin-top:16px}.sim-actions button{height:40px;border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:0 14px;font-weight:900;cursor:pointer}.sim-actions .finish{background:#111827;color:#fff;border-color:#111827}
.sim-side h3{font-size:14px;margin:0 0 10px}.q-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.q-nav button{height:34px;border:1px solid #dfe4ea;background:#fff;border-radius:9px;font-size:10px;font-weight:900;cursor:pointer}.q-nav button.done{background:#eef3ff;border-color:#b9c8ff;color:var(--blue)}.q-nav button.current{outline:2px solid var(--blue)}
.side-note{margin-top:12px;padding:11px;border-radius:10px;background:#fffbea;border:1px solid #f0df8a;color:#5c5100;font-size:10.5px;line-height:1.5}
.sim-result{display:none;margin-top:18px;padding:22px}.sim-result.show{display:block}.sim-result h2{margin:0 0 8px}.score-big{font-size:46px;font-weight:950;letter-spacing:-1px}.score-sub{color:var(--muted);font-size:12px}
.review-list{display:grid;gap:12px;margin-top:16px}.review-card{padding:18px}.review-card h3{font-size:15px;line-height:1.5;margin:0 0 10px}.review-status{font-size:11px;font-weight:950;margin-bottom:8px}.review-status.ok{color:var(--green)}.review-status.bad{color:var(--red)}
.review-answer{padding:10px 11px;border-radius:10px;background:#f8fafc;border:1px solid #eef0f3;font-size:11.5px;line-height:1.5;margin:7px 0}.review-theory{padding:12px 13px;border-radius:11px;background:#f4f7ff;border:1px solid #dbe5ff;font-size:11.5px;line-height:1.55;color:#344054;margin-top:10px}.review-rats{display:grid;gap:6px;margin-top:10px}.review-rat{padding:9px 10px;border:1px solid #eef0f3;border-radius:9px;background:#fafbfc;font-size:11px;line-height:1.45;color:#475467}.review-fija{margin-top:10px;padding:11px 12px;border-radius:10px;background:#fffbea;border:1px solid #f0df8a;color:#5c5100;font-size:11px;line-height:1.5}
.back-link{display:inline-flex;margin-top:18px;text-decoration:none;font-weight:900;font-size:12px;color:var(--blue)}
@media(max-width:820px){.sim-layout{grid-template-columns:1fr}.sim-side{position:static}.sim-stats{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.sim-wrap{width:calc(100% - 20px)}.sim-hero{padding:21px}.sim-hero h1{font-size:29px}.sim-card{padding:17px}.q-nav{grid-template-columns:repeat(4,1fr)}}