/* Studio 02 — restrained, responsive instruments; original engine styling retained. */
:root{--navy:#10234a;--blue:#244bf5;--muted:#62738e;--line:#dbe3f0;background:#f3f6fb;font-family:Inter,"Segoe UI",Arial,sans-serif}
.site-head{height:74px}.site-head>.button{margin-left:8px}.local-status{margin-left:auto;font-size:10px;color:#718299;display:flex;align-items:center;gap:7px}.local-status i{width:6px;height:6px;background:#00a4a1;border-radius:100%}main{padding-top:18px;max-width:1480px}.head-context{font-size:9px}.chapter-nav a{padding-bottom:17px}.chapter-nav{gap:28px}.intro{padding:26px 0 22px}.intro h1{font-size:36px;font-weight:650;letter-spacing:-1.2px}.intro-mark{transform:scale(.82);height:75px}.intro .eyebrow{font-size:9px;color:#627591}.intro>div>p:last-child{font-size:13px}
.mission-bar{display:flex;align-items:center;gap:23px;padding:17px 20px;border:1px solid #cddaf3;border-radius:13px;background:linear-gradient(112deg,#fff 0%,#edf3ff 80%,#e7f4f9);box-shadow:0 5px 18px #1b438905;margin-bottom:15px}.mission-selector{min-width:190px;border-right:1px solid #d0dcef;padding-right:24px}.mission-selector label{display:block;font-size:9px;color:#6a7f9e;margin-bottom:6px;letter-spacing:.4px}.mission-selector select{border:0;background:transparent;font-size:13px;color:var(--navy);font-weight:650;cursor:pointer;width:100%;padding:1px 0}.mission-description{flex:1}.mission-description h2{font-size:12px;margin:0 0 5px;color:#264772;font-weight:600}.mission-description p{font-size:11px;line-height:1.5;margin:0;color:#617493}.mission-bar .button{font-size:10px;background:white;box-shadow:0 4px 10px #234ac40a;white-space:nowrap}
.workflow{list-style:none;display:flex;gap:20px;margin:0 0 18px;padding:0 4px;align-items:center}.workflow li{display:flex;align-items:center;gap:7px;font-size:10px;color:#8a99ae}.workflow li:not(:last-child):after{content:"";height:1px;width:24px;background:#dbe4f1;margin-left:12px}.workflow b{font-weight:500;width:21px;height:21px;border:1px solid #d8e1ed;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:9px;background:#fff}.workflow .current{color:#2549c5;font-weight:600}.workflow .current b{background:#244bf5;color:#fff;border-color:#244bf5;box-shadow:0 2px 8px #244bf52c}.workflow .done{color:#0b8287}.workflow .done b{background:#e1f3f1;border-color:#c3e5e2;color:#007e85}
.workspace{grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:stretch}.plot-panel{border-color:#d3dff2;box-shadow:0 10px 28px #1936630c}.panel-top{padding:22px 23px 15px}.panel-top h2{font-size:18px}.plot-panel>.panel-top{background:linear-gradient(105deg,#fff,#f9fbff)}.plot-tabs{display:flex;gap:5px;padding:0 22px 12px;border-bottom:1px solid #e7edf8;overflow-x:auto;scrollbar-width:thin;flex-shrink:0}.plot-tabs button{border:1px solid transparent;white-space:nowrap;background:transparent;color:#68809f;font-size:11px;border-radius:7px;padding:8px 12px;font-weight:500}.plot-tabs button[aria-pressed=true]{background:#edf2ff;border-color:#d5e1fd;color:#244bf5;font-weight:650}.plot-tabs button:hover{background:#f1f5fc}.view-toolbar{min-height:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 24px}.view-toolbar:has(*){min-height:46px;padding-top:8px}.view-toolbar p{font-size:10px;color:#6b7f9f;margin:0;line-height:1.5}.view-toolbar select{font-size:11px;border:1px solid #d3def1;color:#2c4a78;background:#fff;padding:6px 8px;border-radius:6px;max-width:170px}.chart{height:355px;padding:9px 14px 0}.chart:has(.chart-toggle) svg{height:100%}.chart svg text{font-size:11px;fill:#6b7e9c}.chart svg .axis-name{font-size:11px;fill:#3c557a}.plot-bottom{padding:4px 24px 17px;align-items:flex-start}.legend{font-size:10px;gap:13px}.legend i.band{width:15px;height:8px;border:1px solid #bfcefd;background:#e4ebff;border-radius:2px}.legend i.slate{background:#9caccc}.metrics{min-height:86px;padding:17px 10px;background:#f7faff}.metric strong{font-size:27px}.metric>span{font-size:10px}.metric strong.long-value{font-size:19px}.diagnostic-summary{display:flex;gap:20px;padding:0 24px;min-height:0}.diagnostic-summary:has(*){padding:14px 24px;border-top:1px solid #e5ecf7;background:#fbfcff}.diagnostic-summary>div{flex:1;min-width:0}.diagnostic-summary span{display:block;font-size:9px;color:#7185a1;margin-bottom:6px}.diagnostic-summary strong{color:#345487;font-size:17px;font-weight:600}.diagnostic-summary p{font-size:10px;line-height:1.5;color:#7c8da6;margin:0}.diagnostic-summary .button{font-size:10px;min-height:33px;padding:7px 11px}
.controls-panel{background:#fff;border-color:#d9e2f1;box-shadow:0 8px 24px #19366308;padding-bottom:21px;display:flex;flex-direction:column}.controls-panel .panel-top h2{font-size:16px}.controls-panel #controls{padding-top:2px}.field{margin-bottom:20px}.field label{font-size:12px}.field select{font-size:12px;min-height:40px}.field output{padding:3px 7px;border:1px solid #dce6fb;background:#f3f6fe}.range-labels{font-size:9px}.controls-actions{margin-top:auto;padding-top:14px}.controls-panel>.micro{font-size:10px}.training-status{margin:0 20px;font-size:10px;padding:11px 0;border-top:1px solid #e5ebf5;line-height:1.6;color:#617593}.training-status:empty{display:none}.training-status strong{color:#193867;font-weight:600}.training-status.warning{color:#a35b1d;background:#fff8ed;padding:9px 11px;border:1px solid #f4dfb9;border-radius:7px}.training-status .tiny-bar{height:4px;border-radius:4px;background:#e4edff;margin-top:8px;overflow:hidden}.tiny-bar span{display:block;height:100%;background:#2581d9;max-width:100%}.more-controls{margin:0 0 14px}.more-controls summary{font-size:11px;color:#587094;cursor:pointer}.more-controls>div{padding-top:16px}.more-controls .field{margin-bottom:13px}
.reading{padding:15px 19px;margin:16px 0 20px;min-height:70px;background:#ecf2fc;border-color:#dce7f8}.reading p{font-size:12px}.reading h2{font-size:10px}.lower-grid{grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);align-items:start}.history-panel,.assessment-panel{border-radius:15px}.history-scroll{height:224px;padding-bottom:8px}.history-panel>.micro{font-size:10px}.history-table th{font-size:10px}.history-table td{font-size:11px;padding-top:13px;padding-bottom:13px}.history-table tr.selected{background:#f8faff}.history-table small{line-height:1.5}.compare-button{padding:6px 8px}.comparison-summary{margin:0 23px 15px;padding:12px 14px;background:#f3f7fd;border:1px solid #dde6f6;border-radius:9px;display:flex;gap:14px;align-items:center}.comparison-summary>span{font-size:10px;color:#607a9c;flex:1;line-height:1.6}.comparison-summary strong{color:#244bf5;font-size:18px;font-variant-numeric:tabular-nums}.comparison-summary small{display:block;font-size:9px;color:#6f83a0;font-weight:400;margin-top:3px}.empty{min-height:190px;text-align:center;align-items:center}.empty .line-art{border:1px solid #d6e0f3;width:52px;height:45px;border-radius:9px;background:#f9fbff;font-size:26px;color:#8aa5e3;display:flex;align-items:center;justify-content:center}.empty strong{font-size:14px}.empty p{max-width:310px;font-size:11px;line-height:1.7;margin:0}.assessment-panel{background:linear-gradient(135deg,#102653,#193b7c);border-color:#1c407d;color:white;box-shadow:0 10px 24px #15346917}.assessment-panel .overline{color:#99b5e9}.assessment-panel h2{color:#fff}.lock-symbol{color:#7fa3e4}.assessment-panel .prediction label{color:#cbd9f4;font-size:11px;line-height:1.6}.assessment-panel select,.assessment-panel textarea{background:#ffffff0c;color:#eff4ff;border-color:#54729f}.assessment-panel option{color:#152c56;background:#fff}.assessment-panel textarea::placeholder{color:#a6bbdf}.assessment-panel .micro{color:#abc1e6}.assessment-panel .button.primary{background:#fff;color:#2448c0;box-shadow:none}.assessment-panel .button.secondary{background:#ffffff09;color:#dbe7fd;border-color:#7390c1}.assessment-panel .result-strip>div{background:#ffffff0a;border-color:#526e9c}.assessment-panel .result-strip span{color:#bdd1f3}.assessment-panel .result-strip strong{color:#fff}.assessment-panel .result-text{color:#dbe5f9}.assessment-panel .result-text strong{color:#fff}.result-delta{font-size:12px;border-left:2px solid #6ed5e7;padding-left:11px;margin:3px 0 14px;line-height:1.6;color:#cde3ff}.readiness{font-size:10px!important;margin:0 0 12px!important;color:#bbd0f7!important;line-height:1.65!important}.readiness strong{color:#fff}.assessment-actions{margin-top:12px}.prediction textarea{min-height:68px}.assessment-panel .reflection summary{color:#b0c9f4;cursor:pointer}.assessment-panel .reflection p{font-size:11px;line-height:1.7}.assessment-panel .review-label{margin-top:16px}.assessment-panel .panel-top{padding-bottom:16px}.assessment-panel .micro.complete{color:#a5f0e0}.method{font-size:12px}.method>div{padding:10px 4px}.method .equation{font-size:17px}.equation sub,.equation sup{font-size:11px}.export-options{display:grid;gap:10px}.export-options button{border:1px solid #d9e3f3;background:#f8faff;border-radius:10px;padding:15px;text-align:left;color:#244062}.export-options strong{display:flex;justify-content:space-between;font-size:13px;gap:15px}.export-options strong span{color:#244bf5;font-size:11px;white-space:nowrap}.export-options small{display:block;margin-top:8px;font-size:11px;color:#667e9f;line-height:1.6}.export-options button:hover{background:#edf3ff;border-color:#acbff9}.export-options [hidden]{display:none}.notice{background:#102654}
@media(min-width:1550px){.chart{height:385px}.workspace{grid-template-columns:minmax(0,1fr) 324px}.intro h1{font-size:41px}}
@media(max-width:1050px){.workspace{grid-template-columns:minmax(0,1fr) 265px;gap:15px}.mission-bar{gap:15px}.mission-selector{min-width:170px;padding-right:17px}.mission-description p{font-size:10px}.metric strong{font-size:23px}.metric>span{font-size:9px}.plot-tabs{padding-left:14px;padding-right:14px;gap:2px}.plot-tabs button{font-size:10px;padding:7px 9px}.chart{height:330px}.panel-top{padding-left:19px;padding-right:19px}.legend{gap:9px}.local-status{display:none}.site-head>.button{margin-left:auto}.diagnostic-summary{gap:12px}.controls-panel .panel-top h2{font-size:14px}.assessment-actions{flex-direction:column;align-items:stretch}.assessment-actions .micro{max-width:none}}
@media(max-width:760px){.site-head{height:66px;padding:0 16px}.site-head img{width:162px}.chapter-nav{gap:6px}.chapter-nav a{padding:9px 4px 14px;gap:6px}.intro{padding:23px 0 20px}.intro h1{font-size:30px;letter-spacing:-1px}.intro>div>p:last-child{font-size:12px}.intro-mark{display:none}.mission-bar{display:grid;grid-template-columns:1fr auto;gap:13px;padding:15px}.mission-selector{border:0;padding:0;min-width:0}.mission-selector select{font-size:12px}.mission-description{grid-column:1/-1;grid-row:2}.mission-description h2{font-size:11px}.mission-description p{font-size:11px}.mission-bar .button{font-size:9px;min-height:35px;padding:8px 10px}.workflow{gap:9px;padding:0;margin:17px 0;font-size:9px;justify-content:space-between}.workflow li{font-size:9px;gap:5px}.workflow li:after{display:none}.workflow b{width:19px;height:19px;font-size:9px}.workspace{grid-template-columns:1fr;gap:14px}.chart{height:315px;padding:10px 7px 0}.chart svg text{font-size:13px}.chart svg .axis-name{font-size:13px}.plot-tabs{padding-bottom:11px;scrollbar-width:none}.plot-tabs button{font-size:11px;padding:8px 10px}.panel-top h2{font-size:17px}.badge{font-size:9px}.view-toolbar{padding-left:18px;padding-right:18px}.view-toolbar p{font-size:10px}.view-toolbar select{font-size:10px;max-width:145px}.plot-bottom{padding:7px 18px 16px;font-size:10px;gap:9px}.legend{font-size:10px;gap:11px}.metrics{padding:16px 5px}.metric strong{font-size:22px}.metric>span{font-size:9px}.diagnostic-summary:has(*){padding:13px 18px;gap:15px}.diagnostic-summary span{font-size:9px}.diagnostic-summary strong{font-size:16px}.controls-panel #controls{padding-left:19px;padding-right:19px;display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.controls-panel .panel-top h2{font-size:17px}.controls-panel .more-controls{grid-column:1/-1}.more-controls>div{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.controls-actions{padding-left:19px;padding-right:19px;margin-top:0}.training-status{margin-left:19px;margin-right:19px}.controls-panel{padding-bottom:18px}.field{margin-bottom:18px}.field label{font-size:12px}.field select{font-size:12px}.lower-grid{grid-template-columns:1fr}.reading{padding:14px 15px}.reading p{font-size:11px}.history-scroll{height:220px}.history-table th{font-size:10px}.history-table td{font-size:11px}.assessment-actions{flex-direction:column;align-items:stretch}.assessment-panel .prediction label{font-size:12px}.assessment-panel .prediction textarea,.assessment-panel .prediction select{font-size:12px}.comparison-summary{margin-left:18px;margin-right:18px}.mission-selector label{font-size:10px}.method>div{font-size:12px}.method summary{font-size:12px}}
@media(max-width:380px){main{padding-left:12px;padding-right:12px}.chapter-nav a{font-size:9px;gap:4px}.intro h1{font-size:28px}.mission-bar{padding:12px;gap:12px 7px}.mission-bar .button{font-size:8px;padding:7px}.mission-selector select{font-size:11px}.workflow li{font-size:8px;gap:4px}.workflow b{width:17px;height:17px}.chart{height:285px}.panel-top h2{font-size:15px}.badge{font-size:8px}.metric strong{font-size:20px}.metric>span{font-size:8px}.diagnostic-summary{gap:10px}.diagnostic-summary strong{font-size:14px}.plot-tabs button{font-size:10px}.controls-panel #controls{gap:0 12px}.field label{font-size:11px}.field select{font-size:11px}.range-labels{font-size:8px}}
@media(max-width:420px){.plot-panel>.panel-top{align-items:flex-start;flex-direction:column;gap:9px}.plot-panel>.panel-top h2{font-size:18px}.plot-panel>.panel-top .badge{padding:4px 8px;font-size:9px}.workflow{display:grid;grid-template-columns:1fr 1fr;gap:9px 14px}.workflow li{font-size:10px}.workflow b{width:20px;height:20px;font-size:10px}.mission-description h2{font-size:10px}.metric strong.long-value{font-size:15px}.view-toolbar{flex-wrap:wrap;gap:7px;padding-bottom:6px}.diagnostic-summary:has(*){flex-wrap:wrap}.diagnostic-summary>div{flex:1 1 38%}}