/* TracingsMD live monitor — split workspace (menu 1 : monitor 3).
   Brand palette from the approved G logo: navy #0b2a5b, teal #0a9aa6. */
:root{
  --navy-950:#071a36;--navy-900:#0b2a5b;--navy-800:#143766;--navy-700:#1d4a80;--navy-100:#e8eef7;
  --teal-600:#08808b;--teal-500:#0a9aa6;--teal-50:#e5f5f6;
  --ink:#172536;--ink-2:#3a4b5f;--muted:#66778a;
  --line:#dde3ea;--line-2:#c6d0db;--bg:#eef2f6;--surface:#fff;--surface-2:#f6f8fb;--segment:#e9eef4;
  --danger:#b42318;--warn-bg:#fff4dc;--warn-ink:#7a5a1c;
  --device:#0c1824;--device-line:#1e3142;--trace:#5aef9b;--trace-dim:#7fae95;
  --radius:10px;--shadow:0 1px 2px rgba(7,26,54,.06);
  font-family:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  font-size:14px;line-height:1.45;color:var(--ink);background:var(--bg);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
h2,h3{margin:0}

/* ---------- Controls ---------- */
button,.export-menu>summary{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:36px;padding:6px 13px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--navy-900);font-weight:500;cursor:pointer;transition:background-color .12s,border-color .12s,color .12s;user-select:none}
button:hover,.export-menu>summary:hover{background:var(--surface-2);border-color:#aebccb}
button:disabled{opacity:.45;cursor:default}
button[aria-pressed=true]{background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.btn-primary{background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.btn-primary:hover{background:var(--navy-800);border-color:var(--navy-800)}
input:not([type=checkbox]):not([type=range]):not([type=file]),select{min-height:36px;padding:6px 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--ink)}
input[type=range]{width:100%;margin:6px 0;accent-color:var(--navy-900)}
input[type=checkbox]{accent-color:var(--navy-900);width:16px;height:16px}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--teal-500);outline-offset:2px}
a{color:var(--navy-700)}
output{font-variant-numeric:tabular-nums;color:var(--navy-900);font-weight:600}
.error{color:var(--danger)!important}
.skip-link{position:fixed;left:12px;top:-90px;z-index:50;background:#fff;color:var(--navy-900);padding:12px 16px;border:2px solid var(--teal-500);border-radius:8px}
.skip-link:focus{top:10px}

/* ---------- App frame ---------- */
.app{min-height:100dvh;display:grid;align-content:start;grid-template-columns:minmax(0,1fr);grid-template-areas:"brand" "stage" "side" "foot"}
.brand-bar{grid-area:brand}
#monitor-area{grid-area:stage;min-width:0}
#workspace-tools{grid-area:side;background:var(--surface)}
.workspace-footer{grid-area:foot}

.brand-bar{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;min-width:0;overflow:hidden;padding:12px 18px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand-heading{margin:0;flex:0 0 auto;line-height:0;font-size:inherit}
.brand-logo{display:block;height:34px;width:auto;flex:0 0 auto}
.brand-meta{display:flex;flex-direction:column;align-items:flex-end;gap:3px;margin-left:auto;min-width:0;text-align:right}
.beta{font-size:12px;font-weight:600;color:var(--navy-900)}
.simulation{font-size:10px;font-weight:600;letter-spacing:.06em;color:var(--muted);padding:2px 7px;border:1px solid var(--line-2);border-radius:999px;white-space:nowrap}

/* ---------- Monitor stage ---------- */
.stage{padding:18px 22px 6px;margin:0 auto}
.compact-setup{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 14px;margin:0 0 12px;padding:12px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.compact-setup label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:var(--muted)}
.compact-setup label:first-child{flex:1 1 220px;min-width:0}
.compact-setup select{width:100%}
.compact-rate{display:flex;align-items:center;gap:6px;font-weight:400;color:var(--ink-2)}
.compact-rate input{width:84px}
#compact-details{flex-basis:100%;margin:0;font-size:12px;color:var(--ink-2)}

.device{background:var(--device);border-radius:14px;padding:10px 12px 12px;box-shadow:0 12px 32px rgba(7,26,54,.18),inset 0 0 0 1px var(--device-line)}
.monitor-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:2px 6px 10px;color:#c7d6e2}
.monitor-status{display:flex;align-items:center;gap:9px;font-size:13px;min-width:0}
#status-dot{width:9px;height:9px;border-radius:50%;background:#78838a;box-shadow:0 0 0 3px rgba(255,255,255,.07);flex:0 0 auto}
#status{color:#eef4f8;font-weight:600;min-width:62px}
#clock{color:#8fa6b8;font-variant-numeric:tabular-nums;white-space:nowrap}
.heart-rate{display:flex;align-items:center;gap:9px;color:var(--trace);white-space:nowrap}
.hr-label{display:flex;flex-direction:column;align-items:flex-end;font-size:14px;font-weight:700;letter-spacing:.08em;line-height:1.1;cursor:help}
.hr-label small{font-size:10px;font-weight:500;letter-spacing:.02em;color:var(--trace-dim)}
#hr{font-size:40px;line-height:1;font-weight:600;font-variant-numeric:tabular-nums;min-width:3.1ch;text-align:right}
.hr-unit{font-size:12px;color:var(--trace-dim);align-self:flex-end;padding-bottom:4px}
.applied-strip{display:flex;align-items:baseline;gap:8px;margin:0 0 8px;padding:6px 10px;border-radius:8px;background:#102231;border:1px solid var(--device-line);font-size:12.5px;color:#d9e6f0}
.applied-title{flex:0 0 auto;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7fb4c8}
#applied-list{display:flex;flex-wrap:wrap;align-items:center;gap:2px 0;margin:0;padding:0;list-style:none;min-width:0}
#applied-list li{font-weight:600;color:#eef4f8}
#applied-list li.applied-rhythm{color:var(--trace)}
#applied-list li+li::before{content:"+";margin:0 8px;font-weight:400;color:#6f8ba0}
/* Engine model measurements (Intervals toggle): values, never configured settings. */
#intervals{margin-left:auto;align-self:center;min-height:22px;padding:0 10px;font-size:11.5px;line-height:20px;font-weight:600;letter-spacing:.02em;background:#13283a;border-color:#2e5372;color:#d9e6f0;flex:0 0 auto}
#intervals:hover{background:#1d3a52;border-color:#3b6588}
#intervals[aria-pressed=true]{background:var(--teal-600);border-color:var(--teal-500);color:#fff}
.measure-strip{margin:0 0 8px;padding:5px 10px 6px;border-radius:8px;background:#0e1f2c;border:1px solid var(--device-line);color:#d9e6f0;font-size:12.5px;line-height:1.4}
.measure-row{display:flex;align-items:baseline;gap:2px 12px}
.measure-title{flex:0 0 auto;font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7fb4c8;cursor:help}
#measurement-scope{color:#8fa6b8}
#measurement-values{display:flex;flex-wrap:wrap;gap:0 13px;margin:0;min-width:0}
#measurement-values>div{display:flex;align-items:baseline;gap:5px;white-space:nowrap}
#measurement-values dt{font-size:11px;font-weight:600;color:#8fa6b8}
#measurement-values dd{margin:0;font-weight:600;color:var(--trace);font-variant-numeric:tabular-nums}
#measurement-values dd.null{color:#6f8ba0;cursor:help}
.measure-foot{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 12px;margin-top:1px;font-size:11.5px;color:#b8cad8}
#measurement-beat{margin:0;overflow-wrap:anywhere}
#measurement-beat:empty{display:none}
#measurement-why summary{cursor:pointer;color:#9fc4d6}
#measurement-why[open]{flex-basis:100%}
#measurement-why ul{margin:2px 0 0;padding-left:18px}
.measure-disclaimer{margin-left:auto;font-size:10.5px;color:#7d94a6}
body.answers-hidden .measure-strip{display:none!important}
.medication-strip{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin:0 0 8px;padding:7px 10px;border-radius:8px;background:#13283a;color:#d9e6f0;font-size:12px;overflow-wrap:anywhere}
.medication-strip-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#ffbd63}
.medication-strip button{min-height:28px;padding:3px 10px;font-size:12px;background:#1d3a52;border-color:#2e5372;color:#fff}
.medication-strip button:hover{background:#25486a}
.screen{position:relative;background:#06120f;border:1px solid var(--device-line);border-radius:8px;overflow:hidden}
canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;touch-action:none}
canvas.measuring{touch-action:none!important;cursor:crosshair}
#record-indicator{position:absolute;right:14px;top:12px;background:var(--danger);color:#fff;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.05em}
#record-indicator.paused{background:#536879}
.screen:fullscreen{display:flex;align-items:center;justify-content:center;border:0;border-radius:0}
.screen:fullscreen canvas{width:min(100vw,177.7778vh);height:auto;max-width:none;flex:none}
.touch-trace-help{display:none;margin:8px 2px 0;font-size:12px;line-height:1.5;color:var(--ink-2)}

/* Transport: everyday actions on the left, view actions and the menu toggle on the right. */
.transport{display:flex;align-items:center;justify-content:space-between;gap:8px 10px;flex-wrap:wrap;margin-top:12px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.transport:focus{outline:none}
.transport:focus-visible{outline:2px solid var(--teal-500);outline-offset:2px}
.transport-main,.transport-dock{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.transport-dock{margin-left:auto}
#pause{width:108px;flex:0 0 108px}
#pause::before{content:"";flex:none;width:10px;height:12px;border-left:3px solid currentColor;border-right:3px solid currentColor}
#pause.is-paused{background:var(--teal-500);border-color:var(--teal-500)}
#pause.is-paused:hover{background:var(--teal-600)}
#pause.is-paused::before{width:0;height:0;border:0;border-left:10px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
#record{width:150px;flex:0 0 150px;color:var(--danger);border-color:#e6bdb7}
#record:hover{background:#fdf1ef}
body.recording #record{background:var(--danger);border-color:var(--danger);color:#fff}
#restart-session{border-color:var(--danger);color:var(--danger);font-weight:600}
#record-time{font-size:12px;font-weight:600;color:#ff9a8f;font-variant-numeric:tabular-nums;white-space:nowrap}
.export-menu{position:relative}
.export-menu>summary{list-style:none}
.export-menu>summary::-webkit-details-marker{display:none}
.export-menu>summary::after{content:"";border:4px solid transparent;border-top-color:currentColor;margin-top:4px}
.export-menu[open]{z-index:20}
.save-options{position:absolute;left:0;bottom:calc(100% + 6px);display:flex;flex-direction:column;gap:2px;min-width:205px;padding:6px;background:var(--surface);border:1px solid var(--line-2);border-radius:10px;box-shadow:0 14px 30px rgba(7,26,54,.18);z-index:20}
.save-options button{justify-content:flex-start;width:100%;border-color:transparent;white-space:nowrap}
.view-field{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:600;color:var(--muted)}
.view-switch{display:inline-flex;gap:3px;padding:3px;background:var(--segment);border-radius:9px}
.view-switch button{min-height:30px;padding:4px 12px;border:0;background:transparent;font-size:12.5px;color:var(--ink-2)}
.view-switch button:hover{background:#dce4ee}
.view-switch button[aria-pressed=true]{background:var(--surface);color:var(--navy-900);font-weight:600;box-shadow:0 1px 3px rgba(7,26,54,.2)}
.menu-toggle::before{content:"☰";font-size:15px;line-height:1}
.menu-toggle[aria-expanded=true]{background:var(--navy-100);border-color:#b8c8dc}

/* Stage messages and review states */
#message{margin:10px 2px 0;min-height:20px;font-size:13px;color:var(--ink-2)}
#measurement{margin:4px 2px 0;font-size:13px;font-weight:600;color:#1f6b47}
#measurement:empty{display:none}
#measure-help,#hr-context,.review-context:has(#trace-context:not([hidden]),#shown-medications:not([hidden])){margin:8px 0 0;padding:6px 12px;font-size:12.5px;line-height:1.5;color:var(--ink-2);background:var(--navy-100);border-left:3px solid var(--navy-700);border-radius:0 8px 8px 0}
#measure-help button{margin-left:8px;min-height:30px;padding:3px 10px;font-size:12px}
.review-context p{margin:0}
#trace-context{font-weight:600}
.review-context #shown-setup{display:none!important}
.review-context #shown-medications{margin-top:2px}
#review-bar{display:flex;align-items:center;gap:12px;flex:1 1 100%;order:3;margin:0 -8px -8px;padding:8px 14px;background:var(--navy-100);border-top:1px solid var(--line);border-radius:0 0 12px 12px;font-size:12.5px}
#review-bar label{white-space:nowrap;font-weight:600;color:var(--ink-2)}
#review-bar input{flex:1;min-width:60px;margin:0}
#review-time{min-width:52px}
#clipping-note{margin:10px 0 0;padding:8px 12px;font-size:12.5px;background:var(--warn-bg);color:var(--warn-ink);border-radius:8px}
#clipping-note button{margin-left:8px;min-height:28px;padding:3px 10px;font-size:12px}
.saved-recording{margin-top:10px;padding:10px 14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;font-size:12.5px}
.saved-recording summary{cursor:pointer;font-weight:600;color:var(--navy-900)}
.saved-recording summary span{font-weight:400;color:var(--muted)}
.saved-recording video{display:block;max-width:100%;max-height:340px;margin:10px auto;background:#06120f;border-radius:8px}
.saved-recording div{display:flex;flex-wrap:wrap;gap:6px}
#sequence-live{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px;padding:8px 12px;background:var(--teal-50);border:1px solid #b5e0e3;border-radius:10px;font-size:12.5px}
#sequence-live-status{flex:1 1 220px}
#presentation-active .presentation-controls{margin-top:10px;padding:10px 12px;background:var(--surface);border:1px solid var(--line);border-radius:10px}

/* ---------- Menu (sidebar) ---------- */
.workspace-tools-body{padding:16px 18px 28px}
.back-monitor{display:none}
.rate-stepper{display:inline-flex;align-items:stretch;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:var(--surface)}
.rate-stepper button{min-height:34px;padding:0 11px;border:0;border-radius:0;background:var(--surface-2);font-size:12px}
.rate-stepper button:hover{background:var(--navy-100)}
.rate-stepper input#rate-number{width:66px;min-height:34px;padding:2px 4px;border:0;border-inline:1px solid var(--line-2);border-radius:0;text-align:center;font-size:18px;font-weight:600;color:var(--navy-900)}
.rate-unit{font-size:12px;font-weight:400;color:var(--muted)}
.case-row{display:flex;align-items:center;gap:10px;margin-top:10px}
.field-label{min-width:40px;font-size:13px;font-weight:600;color:var(--ink-2)}
.cases,.direct-options{display:flex;flex-wrap:wrap;gap:3px;padding:3px;background:var(--segment);border-radius:9px}
.cases{flex:1}
.cases button,.direct-options button{flex:1;min-height:30px;padding:4px 8px;border:0;background:transparent;font-size:12px;color:var(--ink-2);white-space:normal}
.cases button:hover,.direct-options button:hover{background:#dce4ee}
.cases button[aria-pressed=true],.direct-options button[aria-pressed=true]{background:var(--surface);color:var(--navy-900);font-weight:600;box-shadow:0 1px 3px rgba(7,26,54,.2)}
#case-note{display:block;margin:6px 0 0;font-size:12px;line-height:1.4;color:var(--muted)}
.case-comparison{margin:4px 0 0;font-size:12px;color:var(--ink-2)}
.case-comparison summary{cursor:pointer;color:var(--navy-700);font-weight:500}
.case-comparison p{margin:6px 0;line-height:1.45;color:var(--muted)}
.case-comparison dt{margin-top:8px;font-weight:600}
.case-comparison dd{margin:3px 0 6px;line-height:1.4;color:var(--muted)}
.variability-label,.slider-label{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:13px;font-weight:600;color:var(--ink-2)}
.variation-help{display:block;font-size:11px;line-height:1.4;color:var(--muted)}

.panel h2{margin:18px 0 8px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.panel h2:first-child{margin-top:4px}
.panel label{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0;font-size:13px;color:var(--ink-2)}
.panel label:has(+.direct-options){margin-bottom:4px;font-weight:600}
.panel select,.panel input[type=number]{max-width:150px}
.panel p{margin:8px 0;font-size:12px;line-height:1.55;color:var(--muted)}
.direct-options{margin:0 0 12px}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.choices button{justify-content:flex-start;font-size:12.5px;text-align:left}
#quick-rhythms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0 0 10px}
#quick-rhythms button{font-weight:600}
#preset-search{width:100%}
#search-status{margin:6px 0 0;font-size:12px;color:var(--muted)}
#search-status:empty{display:none}
.preset-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;margin:12px 0 0}
.preset-group h2{grid-column:1/-1;margin:6px 0 2px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.preset-group button{justify-content:flex-start;min-height:36px;padding:6px 10px;border-color:var(--line);text-align:left;font-size:12.5px;line-height:1.3;color:var(--ink)}
.preset-group button[aria-pressed=true]{background:var(--teal-50);border-color:var(--teal-500);color:var(--navy-900);font-weight:600;box-shadow:inset 3px 0 0 var(--teal-500)}
.medication-intro{margin-top:4px}
.medication-group>h2{margin:16px 0 8px}
.medication-card{margin-bottom:8px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:10px}
.medication-card h3{margin:0 0 4px;font-size:14px;color:var(--navy-900)}
.medication-card p{margin:5px 0;line-height:1.45}
.medication-card .medication-status{font-weight:600;color:var(--navy-700);font-variant-numeric:tabular-nums}
.medication-buttons{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.medication-buttons button{flex:1;font-size:12.5px;white-space:nowrap}
.medication-card .medication-reason{font-size:11px;color:var(--muted)}
.medication-card details,.medication-reset{margin-top:6px;font-size:11.5px;line-height:1.5}
.medication-card summary,.medication-reset summary{cursor:pointer;color:var(--navy-700)}
.medication-card ul{margin:6px 0;padding-left:17px}
.medication-card a{display:block;margin-top:5px;overflow-wrap:anywhere}
.medication-reset{margin-top:14px;padding-top:10px;border-top:1px solid var(--line)}

/* Menu steps: 1 rhythm (replaces) → 2 rate & case (adjusts) → 3 add-ons (stack). */
#rhythm-change-note{margin:0 0 10px;padding:7px 10px;font-size:12px;line-height:1.45;color:var(--ink-2);background:var(--teal-50);border-left:3px solid var(--teal-500);border-radius:0 8px 8px 0}
#all-rhythms{margin-top:10px}
#all-rhythms>summary{padding:6px 0;cursor:pointer;font-size:13px;font-weight:600;color:var(--navy-700)}
#all-rhythms-count{font-weight:400;color:var(--muted)}

.side-heading{margin:22px 0 8px;padding-top:16px;border-top:1px solid var(--line);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.side-group{margin:0 0 8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.side-group>summary{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 14px;list-style:none;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--navy-900)}
.side-group>summary::-webkit-details-marker{display:none}
.side-group>summary::after{content:"";width:7px;height:7px;margin-right:4px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .15s}
.side-group[open]>summary::after{transform:rotate(-135deg)}
.side-group[open]>summary{border-bottom:1px solid var(--line)}
.side-group>:not(summary){margin:12px 14px}
.side-group details{padding:0 12px;background:var(--surface-2);border:1px solid var(--line);border-radius:8px}
.side-group details>summary{padding:10px 0;cursor:pointer;font-size:13px;font-weight:600;color:var(--ink-2)}
.side-group details[open]{padding-bottom:10px}
.side-group h2,.display-settings h3{margin:14px 0 6px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.side-group p{font-size:12px;line-height:1.5;color:var(--muted)}
.side-group label{font-size:12.5px;color:var(--ink-2)}
.tools-view .view-field{justify-content:space-between}
.measure-actions,.display-actions{display:flex;flex-wrap:wrap;gap:6px}
.display-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 10px}
.display-controls>label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}
.display-controls select{width:100%}
#window-duration{grid-column:1/-1;font-size:11px;color:var(--muted)}
#window-duration:empty{display:none}
.toggles{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px 16px}
.toggles label{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2)}
.display-actions{margin-top:12px}
.display-actions button{font-size:12.5px}
.interval-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:end;margin:8px 0}
.interval-fields label{display:flex;flex-direction:column;gap:4px;min-width:0;font-size:12px}
.interval-fields input,.interval-fields select{width:100%;min-width:0}
.interval-fields button{font-size:12.5px;white-space:normal}
.presentation-controls{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.presentation-controls p{margin:0;font-size:12px;line-height:1.5;color:var(--muted)}
#teaching-tools section label{display:flex;flex-direction:column;gap:4px}
#teaching-tools input:not([type=file]),#teaching-tools select{width:100%}
.scenario-actions{display:flex;flex-wrap:wrap;align-items:flex-end;gap:6px;margin:8px 0}
.scenario-actions button{font-size:12.5px}
.scenario-actions label{flex:1 1 100%}
.file-button{max-width:100%;overflow:hidden;padding:8px 10px;border:1px dashed var(--line-2);border-radius:8px;background:var(--surface)}
.file-button input{width:100%;max-width:100%;font-size:12px}
#scenario-steps,#history{margin:8px 0;padding-left:22px;max-height:280px;overflow:auto;font-size:12px}
#scenario-steps li,#history li{margin:6px 0}
#scenario-steps button{margin-left:6px;min-height:28px;padding:2px 8px;font-size:12px}
#history button{min-height:30px;padding:4px 8px;text-align:left;white-space:normal;overflow-wrap:anywhere;font-size:12px}
#history span{display:block;margin:3px 0;font-size:11px;color:var(--muted)}
#history button[aria-current="true"]{border:2px solid var(--navy-700);background:var(--navy-100)}
#history button:disabled{opacity:.7}
#action-count{margin-left:6px;padding:1px 7px;border-radius:999px;background:var(--segment);font-size:11px;color:var(--ink-2)}
.activity input{width:100%}
.activity>button,#save-events{font-size:12.5px}
.library-tools section+section{margin-top:12px}
#support-list{max-height:220px;overflow:auto;font-size:12px;line-height:1.55;color:var(--muted)}

/* ---------- Simulating head (sticky on tall desktop screens) + one-level layer tabs ---------- */
.sim-head{margin:-16px -18px 0;padding:14px 18px 12px;background:var(--surface);border-bottom:1px solid var(--line)}
.sim-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.sim-title{min-width:0}
#rhythm-name{display:block;margin:3px 0 1px;font-size:17px;line-height:1.25;color:var(--navy-900)}
#setup-details{margin:0;font-size:11.5px;line-height:1.35;color:var(--muted)}
#setup-details:empty{display:none}
.head-rate{display:flex;flex-direction:column;align-items:flex-end;gap:3px;flex:0 0 auto}
.head-rate-label{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);text-align:right;max-width:150px;line-height:1.2}
.head-rate .rate-stepper input#rate-number{width:58px;font-size:17px}
#layer-list{display:flex;flex-direction:column;gap:2px;margin:10px 0 0;padding:8px 0 0;list-style:none;border-top:1px dashed var(--line-2)}
#layer-list:focus{outline:none}
#layer-list:focus-visible{outline:2px solid var(--teal-500)}
.layer{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;column-gap:8px;min-height:30px}
.layer-kind{font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.layer .layer-value{justify-content:flex-start;min-height:28px;padding:2px 6px;margin-left:-6px;border:0;background:transparent;font-size:13px;font-weight:600;color:var(--navy-900);text-align:left;white-space:normal}
.layer .layer-value:hover{background:var(--surface-2)}
.layer-tag{font-size:10.5px;color:var(--muted);padding:1px 7px;border:1px solid var(--line-2);border-radius:999px;white-space:nowrap}
.layer .layer-remove{min-height:26px;width:28px;padding:0;border-color:var(--line);color:var(--muted);font-size:12px}
.layer .layer-remove:hover{background:#fbe4e1;border-color:#e9b7b0;color:var(--danger)}
.layer.builtin .layer-value{font-weight:500;color:var(--ink-2)}
.layer.inert .layer-value{color:var(--muted);text-decoration:line-through;font-weight:500}
.layer-why{grid-column:2/-1;margin:0 0 4px;padding:3px 8px;font-size:11.5px;line-height:1.35;color:var(--warn-ink);background:var(--warn-bg);border-radius:6px}
.layer-empty{font-size:12.5px;color:var(--muted);padding:2px 0}
#rhythm-change-note{margin:0 0 10px}
.layer-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;margin:12px 0 12px;padding:3px;background:var(--segment);border-radius:10px}
.layer-tabs button{min-height:32px;padding:4px;border:0;border-radius:7px;background:transparent;font-size:12.5px;color:var(--ink-2);white-space:nowrap}
.layer-tabs button:hover{background:#dce4ee}
.layer-tabs button[aria-selected=true]{background:var(--surface);color:var(--navy-900);font-weight:700;box-shadow:0 1px 3px rgba(7,26,54,.2)}
.layer-tabs button[data-tab=rhythms][aria-selected=true]{background:var(--navy-900);color:#fff}
.layer-tabs button[data-count]:not([data-count=""])::after{content:attr(data-count);display:inline-grid;place-items:center;min-width:17px;height:17px;margin-left:5px;padding:0 4px;border-radius:999px;background:var(--teal-500);color:#fff;font-size:10.5px;font-weight:700}
#control-panel.sticky-head .sim-head{position:sticky;top:0;z-index:4;box-shadow:0 4px 10px -8px rgba(7,26,54,.35)}
#control-panel.sticky-head .layer-tabs{position:sticky;top:calc(var(--head-h,0px) + 4px);z-index:3;box-shadow:0 0 0 4px var(--surface)}
.pane-cue{display:flex;align-items:baseline;gap:8px;margin:0 0 12px!important;font-size:12px!important;color:var(--ink-2)!important}
.cue-pill{flex:0 0 auto;padding:1px 8px;border-radius:999px;background:var(--teal-50);border:1px solid #a9dadd;color:var(--teal-600);font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.pane-cue.replaces .cue-pill{background:var(--navy-100);border-color:#b8c8dc;color:var(--navy-900)}
.rhythm-extras{margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.rhythm-extras>h2{margin:0 0 6px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.rhythm-extras .slider-label{margin-top:4px}
.base-rate{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0;font-size:13px;color:var(--ink-2)}
.base-rate-input{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.base-rate input{width:76px}
#escape-group h2{margin-top:14px}
.rotate-hint{display:none;margin:0 0 10px;font-size:12px;color:var(--ink-2)}

/* ---------- Narrow screens: the monitor stays pinned while the menu is open ---------- */
@media (max-width:959px){
  .sim-head{margin:0;padding:12px;border:1px solid var(--line);border-radius:12px}
  .app.menu-pinned #monitor-area{position:sticky;top:0;z-index:20;background:var(--bg);box-shadow:0 8px 14px -10px rgba(7,26,54,.4)}
  .app.menu-pinned .compact-setup,.app.menu-pinned #message,.app.menu-pinned #measurement:empty,.app.menu-pinned .applied-strip{display:none}
  .app.menu-pinned .stage{padding-top:8px;padding-bottom:6px}
  .app.menu-pinned .layer-tabs{position:sticky;top:var(--stage-h,0px);z-index:15;display:flex;overflow-x:auto;scrollbar-width:none;margin:10px -12px;border-radius:0;padding:4px 12px}
  .app.menu-pinned .layer-tabs button{flex:0 0 auto;padding:4px 12px}
  .app.menu-pinned .layer-tabs{-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);mask-image:linear-gradient(90deg,#000 85%,transparent)}
  .app.menu-pinned .back-monitor:first-child{display:none}
}
@media (max-width:600px) and (orientation:portrait){.app.menu-pinned .rotate-hint{display:block}}
.app.menu-pinned .menu-toggle{font-size:14px!important;padding-inline:14px!important;background:var(--navy-900);border-color:var(--navy-900);color:#fff}
.app.menu-pinned .menu-toggle::before{content:none}
/* Desktop brand bar: one line (logo + simulation notice). */
@media (min-width:960px){
  .app:not(:has(#workspace-tools[hidden])) .beta{display:none}
  .app:not(:has(#workspace-tools[hidden])) .brand-bar{flex-wrap:nowrap;padding:10px 14px}
  .app:not(:has(#workspace-tools[hidden])) .brand-logo{height:28px}
  .app:not(:has(#workspace-tools[hidden])) .simulation{font-size:9.5px;padding:2px 6px}
  .workspace-tools-body{padding-top:16px}
}

.setup-label{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-600)}

/* ---------- Footer ---------- */
.workspace-footer{padding:8px 22px 14px;font-size:11px;line-height:1.5;color:var(--muted)}
#hosted-limits{margin:0 0 4px;font-size:12px;color:var(--ink-2)}
footer .shortcuts{display:block}

/* ---------- Presentation: named answers hidden ---------- */
body.answers-hidden #control-panel,body.answers-hidden .compact-setup,body.answers-hidden .medication-strip,body.answers-hidden .activity,
body.answers-hidden #trace-context,body.answers-hidden #saved-recording,body.answers-hidden #save-previous,body.answers-hidden #save-current,
body.answers-hidden #save-csv,body.answers-hidden #data-tools,body.answers-hidden #teaching-tools,body.answers-hidden .library-tools,
body.answers-hidden .review-context,body.answers-hidden .applied-strip{display:none!important}
body.answers-hidden .side-heading{margin-top:0;padding-top:0;border:0}

/* ---------- Split layout (menu 1 : monitor 3) ---------- */
@media (min-width:960px){
  .app{height:100dvh;align-content:stretch;grid-template-columns:clamp(300px,25%,440px) minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) auto;
    grid-template-areas:"brand stage" "side stage" "side foot"}
  .brand-bar{border-right:1px solid var(--line)}
  .app:not(:has(#workspace-tools[hidden])) .brand-meta{flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 8px;margin-left:0}
  #workspace-tools{overflow-y:auto;overscroll-behavior:contain;border-right:1px solid var(--line);scrollbar-gutter:stable;scrollbar-width:thin}
  #monitor-area{overflow-y:auto;min-height:0;scrollbar-width:thin}
  .stage{max-width:max(700px,calc((100dvh - 290px - var(--measure-h,0px) * 1.25) * 1.7778 + 44px))}
  .compact-setup{display:none}
  .app:has(#workspace-tools[hidden]){grid-template-columns:minmax(0,1fr);grid-template-areas:"brand" "stage" "foot"}
  .app:has(#workspace-tools[hidden]) .brand-bar{border-right:0}
  .app:has(#workspace-tools[hidden]) .brand-meta{flex-direction:row;align-items:center;gap:12px}
  .app:has(#workspace-tools[hidden]) .stage{max-width:max(700px,calc((100dvh - 300px - var(--measure-h,0px) * 1.25) * 1.7778 + 44px))}
  .app:has(#workspace-tools[hidden]) .brand-bar{padding:6px 18px}
  .app:has(#workspace-tools[hidden]) .brand-logo{height:26px}
  .app:has(#workspace-tools[hidden]) .workspace-footer .shortcuts{display:none}
  .workspace-footer{padding:6px 22px 12px}
  .workspace-footer>*{max-width:1100px;margin-inline:auto}
}
@media (min-width:960px) and (max-height:700px){
  #hr{font-size:32px}
  .stage{padding-top:12px}
}

/* ---------- Narrow screens: monitor first, menu below on request ---------- */
@media (max-width:959px){
  html{scrollbar-gutter:stable}
  .app:not(.layout-ready) #workspace-tools{display:none}
  .monitor-status{flex-wrap:nowrap;min-width:0;flex:1 1 auto}
  #record-time{min-width:0;overflow:hidden;text-overflow:ellipsis}
  .stage{padding:12px 12px 4px;max-width:900px}
  .brand-bar{padding:10px 12px}
  .brand-logo{height:30px}
  .device{padding:8px 8px 9px;border-radius:12px}
  .monitor-heading{padding:0 4px 8px}
  #hr{font-size:32px}
  #workspace-tools{border-top:1px solid var(--line);scroll-margin-top:8px}
  .workspace-tools-body{max-width:900px;margin:0 auto;padding:14px 12px 20px}
  .back-monitor{display:flex;width:100%;margin:0 0 12px}
  .back-monitor:last-child{margin:12px 0 0}
  .transport-dock{margin-left:auto}
  .workspace-footer{width:100%;max-width:900px;margin:0 auto;padding:8px 12px 16px}
}
@media (max-width:600px){
  .measure-row{flex-wrap:wrap}
  #measurement-values{flex-basis:100%}
  .applied-strip{flex-wrap:wrap}
  #compact-details{display:none}
  .brand-bar{gap:8px}
  .brand-logo{height:27px}
  .beta{font-size:11px}
  .simulation{font-size:9px;padding:1px 6px}
  .compact-setup{padding:10px;gap:8px}
  .compact-setup label:first-child{flex:1 1 150px}
  .transport{padding:6px;gap:6px}
  #review-bar{margin:0 -6px -6px}
  .transport-main{gap:6px;flex-wrap:nowrap;min-width:0}
  #pause{width:86px;flex-basis:86px}
  #record{width:124px;flex-basis:124px;padding-inline:8px}
  .export-menu>summary{padding-inline:10px}
  .save-options{left:auto;right:0}
  .monitor-status{font-size:12px;gap:6px}
  .hr-label{font-size:12px}
  #review-bar{flex-wrap:wrap}
  #review-bar label{flex-basis:100%}
  footer .shortcuts+.shortcuts{display:none}
}
@media (max-width:400px){
  .menu-toggle{font-size:0;gap:0;padding-inline:12px}
  .menu-toggle::before{font-size:17px}
  #pause{width:76px;flex-basis:76px}
  #record{width:116px;flex-basis:116px;font-size:13px}
  .stage{padding-inline:8px}
}
@media (max-width:360px){
  #pause::before{display:none}
  .export-menu>summary{padding-inline:8px;gap:4px}
  #pause{width:70px;flex-basis:70px;padding-inline:6px}
  #record{width:102px;flex-basis:102px;font-size:12px;padding-inline:5px}
  .transport{gap:4px;padding:5px}
  .transport-main{gap:4px}
}
/* 12-lead view on small screens scrolls sideways; rhythm view lets the page scroll. */
@media (max-width:850px){
  .screen{overflow-x:auto}
  .screen canvas.twelve{min-width:900px;touch-action:pan-x}
  .screen canvas:not(.twelve){touch-action:pan-y}
  .screen:fullscreen canvas{min-width:0}
}
/* Touch targets: 44px minimum and 16px inputs without changing desktop density. */
@media (max-width:959px),(pointer:coarse){
  body button,body select,body input:not([type=checkbox]):not([type=range]),body summary{min-height:44px!important}
  body button{min-width:44px}
  body input:not([type=checkbox]),body select{font-size:16px!important}
  .device:has(canvas.twelve)+.touch-trace-help{display:block}
  .toggles label{min-height:44px}
  .library-tools a{display:inline-flex;align-items:center;min-height:44px}
}
@media print{.transport,#workspace-tools,.brand-meta{display:none}}