.training-shell{background:linear-gradient(#edf3f8 0,#f7f8fa 220px);min-height:100vh;padding-bottom:54px}.training-header{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffd1;border-bottom:1px solid #bfcbd7bf;justify-content:space-between;align-items:center;height:84px;padding:0 max(28px,50vw - 590px);display:flex}.training-brand,.user-chip{align-items:center;gap:12px;display:flex}.training-brand>span{color:#fff;background:var(--blue);border-radius:12px;place-items:center;width:42px;height:42px;font-size:22px;font-weight:800;display:grid}.training-brand div,.user-chip div{gap:2px;display:grid}.training-brand strong{font-size:16px}.training-brand small,.user-chip small{color:var(--muted);font-size:12px}.user-chip>span{color:#175da7;background:#dcebfa;border-radius:50%;place-items:center;width:38px;height:38px;font-weight:800;display:grid}.user-chip strong{font-size:14px}.training-grid{grid-template-columns:minmax(0,1.35fr) minmax(350px,.8fr);align-items:start;gap:26px;width:min(1180px,100% - 40px);margin:42px auto 0;display:grid}.status-row{justify-content:space-between;align-items:center;min-height:34px;margin-bottom:14px;display:flex}.mode-pill,.timer{border-radius:999px;align-items:center;min-height:32px;padding:0 12px;font-size:13px;font-weight:750;display:inline-flex}.mode-pill{color:#076f51;background:var(--green-soft)}.repeat-pill{color:var(--amber);background:var(--amber-soft)}.timer{color:#45566b;border:1px solid var(--line);font-variant-numeric:tabular-nums;background:#fff}.timer.over{color:#a34b14;background:#fff8ef;border-color:#f1c79e}.scenario-card,.answer-card,.completion-card,.state-card{border:1px solid var(--line);background:var(--paper);box-shadow:0 13px 36px #1f324b12}.scenario-card{border-radius:20px;padding:34px}.section-label{color:var(--blue);letter-spacing:.08em;text-transform:uppercase;margin:0 0 9px;font-size:12px;font-weight:800}.scenario-card h1{letter-spacing:-.035em;margin:0;font-size:clamp(28px,4vw,42px)}.scenario-copy{max-width:620px;color:var(--muted);margin:12px 0 26px;line-height:1.6}.input-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.input-fact{background:#f4f7fa;border:1px solid #e7ecf1;border-radius:13px;padding:17px 18px}.input-fact small{color:var(--muted);margin-bottom:6px;font-size:12px;display:block}.input-fact strong{font-variant-numeric:tabular-nums;font-size:21px}.input-fact em{color:var(--muted);font-size:12px;font-style:normal}.rule-note{color:#536276;background:#eaf2fa;border-radius:14px;gap:12px;margin-top:14px;padding:17px 19px;font-size:13px;line-height:1.55;display:flex}.rule-note>span{color:#fff;background:#5886b3;border-radius:50%;flex:none;place-items:center;width:22px;height:22px;font-weight:800;display:grid}.rule-note p{margin:0}.answer-card{border-radius:20px;margin-top:48px;padding:28px}.progress-top{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.progress-top strong{color:var(--blue)}.progress-track{background:#e9eef3;border-radius:99px;height:6px;margin:10px 0 30px;overflow:hidden}.progress-track span{background:var(--blue);border-radius:inherit;height:100%;transition:width .2s;display:block}.answer-card h2{margin:0;font-size:25px;line-height:1.24}.formula-line{color:var(--muted);margin:10px 0 24px}.answer-card label{margin-bottom:8px;font-size:13px;font-weight:750;display:block}.answer-input{background:#fff;border:2px solid #cad4df;border-radius:12px;align-items:center;min-height:58px;display:flex;overflow:hidden}.answer-input:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px #1479e81c}.answer-input input{width:100%;min-width:0;color:var(--ink);border:0;outline:none;padding:14px 16px;font-size:22px;font-weight:700}.answer-input span{color:var(--muted);padding:0 16px;font-size:13px;font-weight:750}.primary-button{color:#fff;background:var(--blue);cursor:pointer;border:0;border-radius:12px;width:100%;min-height:50px;margin-top:16px;font-weight:800}.primary-button:hover{background:#0868ca}.primary-button:disabled{cursor:not-allowed;opacity:.48}.hint-button{color:#2467a7;cursor:pointer;background:0 0;border:0;width:100%;min-height:46px;margin-top:8px;font-weight:750}.feedback,.hint-box{border-radius:10px;gap:10px;margin-top:12px;padding:12px 14px;font-size:13px;line-height:1.4;display:flex}.feedback b{color:#fff;border-radius:50%;place-items:center;width:20px;height:20px;display:grid}.feedback.error{color:#9a3d27;background:#fff0eb}.feedback.error b{background:#d85f42}.feedback.success{color:#087052;background:var(--green-soft)}.feedback.success b{background:var(--green)}.hint-box{color:#6d4d12;background:#fff7e8;display:grid}.mini-stats{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;margin-top:22px;padding-top:18px;font-size:12px;display:flex}.mini-stats strong{color:var(--ink)}.completion-card,.state-card{text-align:center;border-radius:24px;width:min(660px,100% - 32px);margin:64px auto;padding:42px}.completion-icon{color:#fff;border-radius:50%;place-items:center;width:62px;height:62px;margin:0 auto 22px;font-size:30px;font-weight:800;display:grid}.completion-icon.mastered{background:var(--green)}.completion-icon.repeat{background:#dc7a1b}.completion-card h1{margin:0;font-size:36px}.completion-card>p:not(.eyebrow){color:var(--muted);line-height:1.6}.result-stats{grid-template-columns:repeat(3,1fr);gap:8px;margin:28px 0 8px;display:grid}.result-stats div{background:#f3f6f8;border-radius:12px;padding:16px 8px}.result-stats small,.result-stats strong{display:block}.result-stats small{color:var(--muted);margin-bottom:7px}.result-stats strong{font-size:18px}.state-card{color:var(--muted);gap:18px;display:grid}@media (max-width:850px){.training-grid{grid-template-columns:1fr}.answer-card{margin-top:0}.training-header{padding:0 20px}}@media (max-width:520px){.training-header{height:72px}.training-brand small,.user-chip div{display:none}.training-grid{gap:14px;width:min(100% - 24px,1180px);margin-top:22px}.scenario-card,.answer-card{border-radius:16px;padding:22px}.input-grid{grid-template-columns:1fr}.scenario-card h1{font-size:28px}.result-stats{grid-template-columns:1fr}.completion-card{padding:30px 22px}.completion-card h1{font-size:30px}}