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minmax(280px,1fr);gap:18px}.chart-card,.tissue-card{background:#fff;border:1px solid var(--line);border-radius:9px;min-width:0;overflow:hidden}.card-heading{display:flex;justify-content:space-between;gap:8px;padding:20px 20px 10px;align-items:flex-start}.card-heading h3,.inventory-heading h3{font-size:13px;font-weight:650;letter-spacing:-.2px}.card-heading p{font-size:10px;color:#8a9da5;margin-top:6px}.overlay-choice{font-size:9px;max-width:150px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.overlay-choice select{font-size:10px;padding:5px;margin-top:3px}#profile-chart{height:280px;width:100%;padding:0 10px}svg{width:100%;height:100%;overflow:visible}svg text{font-family:inherit;font-size:10px;fill:#8499a4}.chart-legend{display:flex;gap:12px;align-items:center;padding:4px 20px 18px;font-size:9px;color:#7c939e;flex-wrap:wrap}.chart-legend span{display:inline-flex;align-items:center;gap:4px}.chart-legend i{width:13px;height:3px;display:inline-block;border-radius:3px}.depth-key{background:#1b8d99}.switch-key{background:#a68fcf}.nitrogen-key{background:#3f8d9d}.helium-key{background:#b2a3d0}#tissue-chart{height:210px;padding:10px 15px 0}#tissue-detail{border-top:1px solid #edf1f3;padding:12px 18px;min-height:58px;font-size:10px;color:#6d8490;line-height:1.7}#tissue-detail strong{color:#214759}.playback-bar{margin:16px 0;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 16px}.play-button{height:32px;width:32px;border-radius:50%;background:#0c7c82;color:white;font-size:12px;flex-shrink:0}.playback-bar input[type=range]{flex:1;accent-color:#09818a;min-width:20px}.playback-bar select{width:66px;padding:6px;font-size:10px}.playback-bar .quiet{padding:6px 9px}#playback-time{font-size:12px;font-variant-numeric:tabular-nums;color:#2c5366;min-width:46px}.live-values{display:grid;grid-template-columns:repeat(6,1fr);padding:14px 5px 20px;gap:10px;border-bottom:1px solid var(--line);margin-bottom:22px}.live-values span{font-size:9px;color:#8399a2;display:block;margin-bottom:7px}.live-values strong{font-size:17px;font-weight:550;color:#2d5568}.live-values small{font-size:10px;color:#89a0aa;font-weight:400}.inventory-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.inventory-heading>span{font-size:10px;color:#8aa1ab}.gas-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.gas-card{padding:15px 16px;background:#fff;border:1px solid var(--line);border-radius:7px}.gas-card .gas-name{font-size:10px;color:#6f8a97;margin-bottom:11px;display:flex;align-items:center;gap:5px}.gas-card strong{font-size:19px;font-weight:550}.gas-card small{font-size:9px;color:#91a4ad;margin-left:4px}.gas-track{position:relative;height:5px;background:#e7eff0;border-radius:3px;margin:13px 0 8px}.gas-track .fill{height:5px;border-radius:3px;background:#7ec2c0;max-width:100%}.gas-track .reserve{height:9px;position:absolute;top:-2px;border-left:1px solid #d49c59}.gas-card p{font-size:9px;color:#8da1ab}.gas-card.shortfall{border-color:#dfbf9c}.gas-card.shortfall .fill{background:#d7a16f}.result-section{border:1px solid var(--line);background:#fff;border-radius:7px;margin-top:18px;padding:16px 20px;font-size:12px;line-height:1.7}.result-section summary{cursor:pointer;font-weight:600;color:#365969}.result-section p{margin-top:10px;font-size:11px;color:#758c96}.table-scroll{max-height:320px;overflow:auto;margin-top:14px}table{width:100%;border-collapse:collapse;font-size:11px}th{text-align:left;color:#7e96a2;font-weight:500;position:sticky;top:0;background:white}td,th{padding:9px 8px;border-bottom:1px solid #eaf0f2}td{font-variant-numeric:tabular-nums}.workspace-footer{display:flex;justify-content:space-between;gap:12px;font-size:9px;color:#91a6af;padding-top:24px;margin-top:12px}.empty-state{min-height:650px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px dashed #d5e4e7;border-radius:14px;background:radial-gradient(ellipse at 50% 40%,#e7f2f2,transparent 60%)}.empty-profile{font-size:110px;line-height:.8;color:#aad3d4;margin-bottom:30px}.empty-state h2{font-size:42px;line-height:1.2;font-weight:500;letter-spacing:-1.7px;margin:18px 0}.empty-state p{font-size:13px;line-height:1.9;color:#7d969f;margin-bottom:27px}.empty-state small{font-size:10px;color:#92a6af;margin-top:15px}.error-panel,.stale-panel,.issues{padding:14px 18px;margin:0 0 20px;background:#fcf4e9;border:1px solid #ead6bc;border-radius:7px;font-size:12px;color:#8d6338;line-height:1.6}.error-panel p{margin-top:5px}.stale-panel{background:#eef4fa;border-color:#cfdfeb;color:#52728b}.issues summary{cursor:pointer;font-weight:600}.issues p{margin-top:8px;font-size:11px}.objective-intro,.objective-result{background:#e8f3f2;border:1px solid #cfe4e2;border-radius:7px;padding:14px;margin:16px 0}.objective-intro label{margin-top:12px}.objective-result{display:flex;gap:16px;align-items:center;font-size:12px}.objective-result span{color:#6e9395;font-size:11px}.hint{font-size:11px;color:#8197a0;line-height:1.6;margin-top:8px}.is-stale{opacity:.45;pointer-events:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#blazor-error-ui{display:none;background:#fff2d9;bottom:0;box-shadow:0 -1px 2px #0002;left:0;padding:12px 25px;position:fixed;width:100%;z-index:1000}#blazor-error-ui .dismiss{cursor:pointer;position:absolute;right:16px;top:10px}
@media(min-width:1700px){.workspace{grid-template-columns:375px minmax(0,1fr)}.results-panel{padding:36px 45px}#profile-chart{height:340px}#tissue-chart{height:270px}}
@media(max-width:1180px){.workspace{grid-template-columns:320px minmax(0,1fr)}.results-panel{padding:25px 22px}.visual-grid{grid-template-columns:1fr}.tissue-card{display:grid;grid-template-columns:145px 1fr;align-items:center}.tissue-card .card-heading{padding:16px}.tissue-card #tissue-chart{height:170px}.tissue-card .chart-legend{grid-column:2}.tissue-card #tissue-detail{grid-column:1/-1}.metrics{gap:8px}.metrics>div{padding:15px 12px}.metrics strong{font-size:23px}.live-values{grid-template-columns:repeat(3,1fr);row-gap:20px}}
@media(max-width:760px){.topbar{height:auto;min-height:75px;padding:15px 18px;gap:12px;flex-wrap:wrap}.top-actions{gap:6px}.badge{display:none}.quiet,.button{font-size:10px;padding:8px}.workspace{display:flex;flex-direction:column}.settings-panel{position:static;max-height:none;border-right:0}.settings-heading{padding:22px}.settings-heading h1{font-size:26px}.settings-scroll{max-height:420px}.calculate-bar{padding:15px 22px}.results-panel{padding:24px 16px}.result-heading h2{font-size:22px}.result-heading{align-items:flex-start}.metrics{grid-template-columns:1fr 1fr}.visual-grid{gap:12px}.card-heading{padding:16px}.tissue-card{display:block}.tissue-card #tissue-chart{height:190px}#profile-chart{height:255px}.live-values strong{font-size:15px}.playback-bar{gap:7px;padding:10px}.playback-bar .quiet{padding:6px}#speed{width:53px}.workspace-footer{flex-direction:column;line-height:1.5}.empty-state{min-height:440px}.empty-state h2{font-size:32px}.objective-result{align-items:flex-start;flex-direction:column;gap:5px}.info>span{left:-90px;width:235px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
#tissue-scale{font-size:9px;padding:5px;margin-top:9px;color:#6a8794}
.info[open]{display:block}.info>span{position:static;width:auto;max-width:100%;margin-top:8px}.card-heading>.info[open]{max-width:260px;min-width:160px}.overlay-choice .info[open]{width:100%}
#tissue-select{font-size:9px;padding:5px;margin-top:9px;color:#6a8794}
.metrics .assessment.review{color:#a07139}

.active-model{padding:0 24px 16px}

.starting-history{margin-top:24px}.starting-history>label{display:block;margin-bottom:8px;font-weight:600}.starting-history>select{width:100%;margin-bottom:8px}.history-explanation{font-size:13px;line-height:1.6;color:var(--ink,#17364a)}.duration-input{display:grid;grid-template-columns:minmax(0,1fr) 95px;gap:8px}.duration-input input,.duration-input select{min-width:0;width:100%}.history-duration .hint{margin:8px 0 0}.history-destination,.history-timeline{border:1px solid #d4e4e6;background:#f4f9f9;border-radius:10px;padding:14px;margin-top:18px;font-size:12px;line-height:1.6}.history-destination strong{display:block}.history-timeline ol{padding-left:20px}.history-timeline li{padding:4px 0}.history-attention{font-size:12px;border-left:3px solid #c58d38;padding:8px 12px;background:#fcf7ef;line-height:1.6}

.testing-notice{padding:12px 24px;background:#fff4da;color:#5c4213;border-bottom:1px solid #e8d6aa;font-size:13px;line-height:1.5}