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small{font-size:13px;font-weight:400;letter-spacing:0;color:#607667}.plan-card p{color:#677b70;font-size:13px;line-height:1.7}.plan-card ul{padding:0;margin:22px 0 26px;list-style:none;flex:1}.plan-card li{font-size:13px;margin:13px 0;padding-left:21px;position:relative;line-height:1.6}.plan-card li:before{content:'✓';position:absolute;left:0;color:#438371}.plan-card>.btn{width:100%;justify-content:center;margin-top:8px}.plan-caption{color:#667a6f;line-height:1.7;font-size:11px;display:block;margin-top:14px}.membership-footnotes{font-size:12px;color:#728177;line-height:1.8;margin:25px 0}.comparison-table{margin:30px 0}.membership-pill{display:inline-block;background:#e9f1e6;color:#315f54;border-radius:20px;padding:6px 12px;font-size:11px;font-weight:650;margin-bottom:12px}.account-card{margin:22px 0}.account-card h2{font-size:22px;letter-spacing:-.02em;margin:0 0 12px}.account-card p{font-size:13px;line-height:1.9;color:#64776c}.account-card 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.answer-button{padding:16px;line-height:1.7}.answer-button.correct{border-color:#5f957d;background:#ecf5ea}.practice-feedback{background:#faf1e8;border-radius:12px;margin-top:20px;padding:20px;font-size:13px;color:#65564b;line-height:1.8}.practice-feedback.good{background:#ebf4e9;color:#3e654d}.practice-feedback p{margin:7px 0 0}.practice-bottom{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:25px}.practice-caption{text-align:center;font-size:11px;color:#859185;line-height:1.8;margin:23px}.analytics-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric-card strong{display:block;font-size:31px;letter-spacing:-.04em;color:#315f54;margin-bottom:10px}.metric-card span{font-size:12px;color:#718378}.topic-metric{margin:20px 0}.topic-metric>div{display:flex;justify-content:space-between;font-size:13px;gap:12px}.topic-metric span{font-size:12px;color:#78887c}.topic-metric progress{display:block;width:100%;height:8px;margin:12px 0;border:0;border-radius:8px;background:#eff3ed;accent-color:#62917e}.topic-metric progress::-webkit-progress-bar{background:#eff3ed;border-radius:8px}.topic-metric progress::-webkit-progress-value{background:#62917e;border-radius:8px}.recent-attempt{display:flex;gap:13px;padding:15px 0;border-bottom:1px solid #edf0eb;font-size:12px;line-height:1.7}.recent-attempt b{font-weight:500}.recent-attempt small{display:block;color:#889587}.result-dot{display:flex;align-items:center;justify-content:center;background:#f6ece2;color:#ac8055;border-radius:50%;width:24px;height:24px;flex-shrink:0}.result-dot.good{background:#e4efdf;color:#567f59}.activity-bars{display:flex;align-items:flex-end;gap:12px;overflow:auto;padding:12px 0}.activity-bars>div{display:flex;flex-direction:column;text-align:center;font-size:10px;min-width:30px;gap:5px;color:#7c8e7e}.activity-bars span{background:#a5c1a7;border-radius:4px;display:block}.module-grid,.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:20px 0}.module-grid .account-card,.topic-grid .account-card{margin:0}.module-card h2{font-size:21px;line-height:1.4}.module-card.planned{background:#f4f3ee;box-shadow:none}.module-experiments{list-style:none;padding:0;font-size:13px}.module-experiments a{display:flex;align-items:center;gap:9px;padding:13px 0;border-bottom:1px solid #edf0eb}.module-experiments small{margin-left:auto;color:#879587;font-size:10px}.premium-label{font-size:9px;font-weight:650;letter-spacing:.02em;background:#e6e9db;color:#69764f;border-radius:8px;padding:3px 6px;margin-left:4px}.reagent-item.locked{opacity:.72}.exp-card.locked .exp-meta>span:nth-child(2){color:#779062}.chemistry-status{padding:15px 18px;background:#f0f4ed;border-radius:12px;margin-top:15px;font-size:12px;color:#4e6b55;line-height:1.8}.chemistry-status.partial{background:#faf0e4;color:#916645}.chemistry-status b{display:block;font-size:13px}.chemistry-status p{margin:6px 0}.coverage-table td{font-size:12px;vertical-align:top}.coverage-table td:first-child{min-width:170px}.saved-summary{font-size:12px;white-space:pre-wrap;color:#687b6d;max-height:340px;overflow:auto}.header-right .course-pill{display:none}.note-card small{color:#7f8f81;font-size:11px}.notes-grid .note-actions{flex-wrap:wrap;gap:5px}
@media(max-width:1000px){.main-nav{gap:13px}.header-right{gap:12px}.main-nav a{font-size:12px}.analytics-metrics{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.plans-grid,.module-grid,.topic-grid{grid-template-columns:1fr}.plan-card,.account-card,.practice-card{padding:23px}.practice-top{flex-wrap:wrap;gap:12px}.practice-top>.text-link{margin-left:0}.practice-top .field{width:100%}.main-nav{overflow:auto}.site-header{gap:10px;flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:12px}.main-nav{order:3;width:100%;justify-content:center;padding-top:7px;gap:20px}.header-right{margin-left:auto}.brand{font-size:21px}.analytics-metrics{gap:9px}.metric-card{padding:19px}.metric-card strong{font-size:25px}.topic-metric>div{flex-wrap:wrap}.account-card .section-top{gap:15px}}
.lab-kit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:10px;margin-top:20px}.lab-kit-tool{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:15px 9px;border:1px solid #dce7d8;border-radius:11px;background:#f5f8f0;color:#496c55;min-height:114px;cursor:pointer}.lab-kit-tool:hover{background:#eaf2e3;border-color:#a3be97}.lab-kit-tool:focus-visible{outline:2px solid #315f54;outline-offset:3px}.kit-tool-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:#fff;border-radius:11px;border:1px solid #e0e9da}.lab-kit-tool strong{font-weight:600;font-size:11px;line-height:1.5}.lab-kit-tool small{font-size:9px;color:#7d9371}.lab-kit-tool.locked{background:#f4f3ed;border-color:#e3e2d9;color:#7d8776}.lab-kit-tool.locked small{color:#969475}.billing-notice{display:flex;flex-direction:column;gap:6px;background:#faf2e5;border:1px solid #dfd5b8;border-radius:12px;padding:18px 22px;margin-bottom:23px;color:#8a7047;font-size:13px;line-height:1.6}.billing-notice.confirmed{background:#eaf3e5;color:#4e7454;border-color:#c1d5b7}.billing-notice span{font-size:12px}
@media(max-width:700px){.lab-kit-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.lab-kit-tool{padding:12px 5px;min-height:100px}.lab-kit-tool strong{font-size:10px}.billing-notice{padding:14px}}
.stripe-billing-form{display:inline-flex;margin:0;max-width:100%}.plan-card>.stripe-billing-form{display:flex;width:100%;margin-top:8px}.plan-card>.stripe-billing-form>.btn{width:100%;justify-content:center}.stripe-billing-form .btn:disabled{opacity:.7;cursor:progress}