.fb-head{padding:30px 0 24px;max-width:1120px;margin:auto}.fb-head .back-link{margin:0 0 18px;display:inline-block}.fb-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.fb-title-row h1{font-size:clamp(30px,4vw,46px);letter-spacing:-1.8px;line-height:1.08;margin:0 0 10px;font-weight:600}.fb-title-row p{margin:0;color:var(--muted)}.fb-progress-label{display:flex;justify-content:space-between;font-size:12px;margin:23px 0 8px;color:#666e61}.fb-progress{height:5px;background:#e8e9e1;border-radius:20px;overflow:hidden}.fb-progress i{display:block;height:100%;background:#829876;transition:width .35s}.fb-game{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;max-width:1120px;margin:0 auto 55px;align-items:start}.fb-lab{background:white;border:1px solid var(--line);border-radius:28px;padding:30px}.fb-lab h2{font-size:clamp(24px,3vw,34px);letter-spacing:-1px;margin:10px 0 7px;line-height:1.2}.fb-target{color:var(--muted);margin:0 0 24px;font-size:14px}.fb-ion-controls{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fb-ion-control{border-radius:20px;padding:17px;text-align:center}.fb-positive{background:#e4eadb;color:#30432e}.fb-negative{background:#e9e2f2;color:#4c3c65}.fb-ion-control small{font-size:11px;letter-spacing:1.2px;text-transform:uppercase}.fb-ion-symbol{font-size:38px;font-weight:600;margin:9px 0 15px;line-height:1.2}.fb-lab sub{font-size:.57em;vertical-align:sub}.fb-lab sup{font-size:.48em;vertical-align:super;margin-left:2px}.fb-stepper{display:flex;justify-content:center;gap:22px;align-items:center}.fb-stepper button{width:38px;height:38px;border:1px solid #ffffff9c;border-radius:50%;background:#ffffff9c;font-size:24px;color:inherit;line-height:1}.fb-stepper button:disabled{opacity:.35}.fb-stepper output{font-size:20px;font-weight:600;min-width:20px}.fb-tray{display:flex;flex-wrap:wrap;gap:7px;align-items:center;justify-content:center;border:1px dashed #d9ddd3;background:#fafbf8;border-radius:18px;min-height:88px;padding:14px;margin:20px 0}.fb-tile{font-size:20px;border-radius:12px;padding:8px 13px;animation:ion-arrive .2s ease-out}.fb-empty{font-size:13px;color:var(--muted);text-align:center}.fb-live{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:0 2px 18px}.fb-live small{font-size:11px;color:var(--muted)}.fb-formula{font-size:36px;font-weight:600;letter-spacing:-1px;margin-top:5px;line-height:1.3;min-height:48px}.fb-total{text-align:right;display:grid;min-width:100px}.fb-total strong{font-size:34px;line-height:1.2;font-weight:500}.fb-total span{font-size:11px;color:var(--muted)}.fb-feedback{min-height:42px;margin:16px 0;line-height:1.5;font-size:14px;border-radius:12px}.fb-feedback:not(:empty){padding:13px 16px}.fb-feedback.success{background:#e6eddf;color:#34472d}.fb-feedback.error{background:#faede5;color:#784a31}.fb-feedback.hint{background:#f5f0d8;color:#61582e}.fb-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.fb-primary,.fb-quiet{border-radius:24px;padding:11px 20px;font-size:13px;border:1px solid var(--line);transition:transform .15s,background .15s}.fb-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.fb-primary:hover{background:#3b4939}.fb-quiet{background:transparent;color:var(--ink)}.fb-quiet:hover{background:#edeee7}.fb-guide{padding:27px 23px;border-radius:24px;background:#f0ede5}.fb-guide-mark{font-size:31px;letter-spacing:3px;color:#7b7f6d}.fb-guide h3{font-size:20px;line-height:1.25;margin:16px 0}.fb-guide p{font-size:13px;line-height:1.75;color:#606658}.fb-tip{border-top:1px solid #dad9cd;margin-top:23px;padding-top:18px;font-size:12px;color:#777b6c}.fb-source{display:block;font-size:10px;line-height:1.5;margin-top:20px;color:#747a6c;text-decoration:underline}.fb-finish{text-align:center;max-width:760px;margin:65px auto;background:white;border:1px solid var(--line);border-radius:30px;padding:40px}.fb-medal{margin:0 auto 25px;background:var(--sage);width:75px;height:75px;display:grid;place-items:center;font-size:40px;border-radius:50%}.fb-finish h1{font-size:clamp(32px,4vw,50px);letter-spacing:-2px;line-height:1.1}.fb-finish p{color:var(--muted)}.fb-score{display:grid;margin:30px 0;gap:5px}.fb-score strong{font-size:45px}.fb-score span{font-size:13px;color:var(--muted)}.fb-finish .back-link{display:block;margin:20px 0 0}.fb-card-art{display:flex;align-items:center;justify-content:center;gap:12px;height:100%;font-size:38px;font-weight:600}.fb-card-art b{border-radius:16px;padding:14px 19px;background:#e4eadb;transform:rotate(-8deg)}.fb-card-art b:last-child{background:#e9e2f2;transform:rotate(8deg)}.fb-card-art sup{font-size:15px}@keyframes ion-arrive{from{transform:scale(.88);opacity:.3}to{transform:scale(1);opacity:1}}@media(max-width:900px){.fb-game{grid-template-columns:minmax(0,1fr) 235px;gap:16px}.fb-lab{padding:23px}.fb-guide{padding:22px 18px}}@media(max-width:700px){.fb-game{grid-template-columns:1fr}.fb-head{padding-top:22px}.fb-title-row{align-items:start}.fb-title-row .fb-quiet{padding:8px 12px;max-width:115px}.fb-lab{padding:22px 18px}.fb-ion-control{padding:14px 9px}.fb-stepper{gap:14px}.fb-guide{padding:22px}.fb-finish{padding:28px 20px;margin:30px auto}.fb-ion-symbol{font-size:32px}.fb-actions{gap:8px}.fb-primary,.fb-quiet{padding:11px 15px}.fb-formula{font-size:31px}}@media(prefers-reduced-motion:reduce){.fb-tile{animation:none}.fb-progress i{transition:none}}