/* Vent Trainer UI. Device styles live in zvent.css under .zvent. */

:root{--page-width:1040px;}
main{padding:0 16px;padding-top:1rem;margin-top:0;max-width:var(--page-width);margin-left:auto;margin-right:auto;padding-bottom:6rem;}
.masthead{padding:calc(0.6rem + env(safe-area-inset-top,0px)) 16px 0.8rem;}
.masthead .seal-link{float:left;margin-right:12px;}
.masthead .seal{width:40px;height:40px;margin:0;}
.masthead .home-link{line-height:40px;margin:0;}
.masthead .eyebrow{clear:both;margin:0.55rem 0 0.25rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.masthead h1{margin:0;font-size:1.5rem;}
@media(max-width:520px){.masthead h1{font-size:1.25rem;}}

.pcg-chip{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.3px;padding:2px 8px;border-radius:999px;background:rgba(255,255,255,0.14);color:#fff;text-transform:none;}
.pcg-chip.bad{background:#BE0A2F;}

.vt-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin:0 0 14px;}
.vt-card h2{font-family:'Fraunces',serif;font-weight:600;font-size:1.3rem;margin:0 0 8px;color:var(--ink);}
.vt-card h3{font-size:0.95rem;margin:12px 0 4px;}
.vt-card ul{margin:4px 0 8px;padding-left:1.2rem;}
.vt-muted{color:var(--ink-soft);font-size:0.9rem;}
.vt-lead{font-size:1.02rem;font-weight:500;margin:0 0 8px;}
.vt-detail{color:var(--ink-soft);font-size:0.9rem;margin:0 0 10px;}
.vt-eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11px;text-transform:uppercase;letter-spacing:0.6px;color:var(--ink-soft);margin:0 0 6px;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;}
.vt-count{color:var(--ink-soft);}
.vt-row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;}
.vt-two{display:grid;grid-template-columns:1fr;gap:4px 16px;}
@media(min-width:620px){.vt-two{grid-template-columns:1fr 1fr;}}

/* Buttons */
.vt-btn{min-height:44px;padding:10px 16px;border-radius:10px;border:1.5px solid var(--line-strong);background:var(--paper-raised);color:var(--ink);font:600 0.95rem 'Inter',sans-serif;cursor:pointer;-webkit-tap-highlight-color:transparent;}
.vt-btn:hover{border-color:var(--pine);}
.vt-btn.primary{background:var(--pine);border-color:var(--pine);color:#fff;}
.vt-btn:focus-visible,.vt-opt:focus-visible,.vt-sc:focus-visible,.vt-mode:focus-visible,input:focus-visible{outline:3px solid var(--focus);outline-offset:2px;}
.vt-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:14px;}
.vt-actions:empty{display:none;}

/* Home */
.vt-modes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;}
.vt-mode{text-align:left;min-height:64px;padding:10px 12px;border-radius:10px;border:1.5px solid var(--line-strong);background:var(--paper);color:var(--ink);font-family:'Inter',sans-serif;cursor:pointer;display:flex;flex-direction:column;gap:2px;}
.vt-mode span{font-size:0.82rem;color:var(--ink-soft);}
.vt-mode.active{border-color:var(--pine);background:var(--pine-tint);}
.vt-mode[disabled]{opacity:0.6;cursor:not-allowed;}
.vt-scenarios{display:grid;grid-template-columns:1fr;gap:8px;margin-top:10px;}
@media(min-width:560px){.vt-scenarios{grid-template-columns:1fr 1fr;}}
@media(min-width:900px){.vt-scenarios{grid-template-columns:1fr 1fr 1fr;}}
.vt-sc{position:relative;text-align:left;min-height:64px;padding:10px 12px 10px 52px;border-radius:10px;border:1.5px solid var(--line-strong);background:var(--paper-raised);color:var(--ink);font-family:'Inter',sans-serif;cursor:pointer;display:flex;flex-direction:column;gap:2px;}
.vt-sc:hover{border-color:var(--pine);}
.vt-sc-code{position:absolute;left:12px;top:12px;font-family:'IBM Plex Mono',monospace;font-size:12px;font-weight:700;color:var(--pine);background:var(--pine-tint);border-radius:6px;padding:2px 6px;}
.vt-sc-short{font-size:0.82rem;color:var(--ink-soft);}
.vt-sc.held{background:var(--paper);border-style:dashed;color:var(--ink-soft);}
.vt-sc.held .vt-sc-code{color:var(--ink-soft);background:var(--line);}
.vt-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:0.4px;padding:2px 7px;border-radius:999px;align-self:flex-start;}
.vt-tag.hold{background:var(--gold-tint);color:var(--gold-text);margin-top:4px;}
.vt-tag.ok{background:var(--live-tint);color:var(--live);}
.vt-tag.gold{background:var(--gold-tint);color:var(--gold-text);}
.vt-tag.bad{background:var(--clay-tint);color:var(--clay-text);}
.vt-held-note{margin:10px 0 0;padding:10px 12px;border-radius:10px;background:var(--gold-tint);color:var(--gold-text);}

/* Progress */
.vt-progress{margin:0 0 12px;}
.vt-progress ol{list-style:none;margin:0 0 8px;padding:0;display:flex;gap:6px;}
.vt-progress li{flex:1;display:flex;align-items:center;gap:6px;font-size:0.78rem;color:var(--ink-soft);min-width:0;}
.vt-progress li span{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font:700 11px 'IBM Plex Mono',monospace;border:1.5px solid var(--line-strong);background:var(--paper-raised);}
.vt-progress li.now{color:var(--ink);font-weight:600;}
.vt-progress li.now span{background:var(--pine);border-color:var(--pine);color:#fff;}
.vt-progress li.done span{background:var(--live);border-color:var(--live);color:#fff;}
@media(max-width:420px){.vt-progress li{font-size:0;gap:0;justify-content:center;}.vt-progress li.now{font-size:0.78rem;gap:6px;justify-content:flex-start;flex:3;}}
.vt-bar{height:6px;border-radius:3px;background:var(--line);overflow:hidden;}
.vt-bar div{height:100%;background:var(--pine);transition:width .3s;}

/* Patient */
.vt-patient,.vt-cardref{background:var(--paper-raised);border:1px solid var(--line);border-radius:10px;margin:0 0 12px;padding:0 14px;}
.vt-patient summary,.vt-cardref summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:0.88rem;gap:4px;flex-wrap:wrap;}
.vt-patient[open],.vt-cardref[open]{padding-bottom:12px;}
.vt-vitals{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:10px 0;}
@media(min-width:620px){.vt-vitals{grid-template-columns:repeat(7,1fr);}}
.vt-vitals div{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:6px 8px;}
.vt-vitals dt{font:700 10.5px 'IBM Plex Mono',monospace;color:var(--ink-soft);text-transform:uppercase;}
.vt-vitals dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums;}
.vt-target{font-size:0.92rem;}

/* Callouts */
.vt-callout{padding:10px 12px;border-radius:10px;font-size:0.9rem;margin:10px 0 0;}
.vt-callout.gold{background:var(--gold-tint);color:var(--gold-text);}
.vt-callout.clay{background:var(--clay-tint);color:var(--clay-text);}

/* Fields */
.vt-fields{display:grid;grid-template-columns:1fr;gap:10px;}
@media(min-width:480px){.vt-fields{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));}}
.vt-field{display:flex;flex-direction:column;gap:4px;font-size:0.85rem;font-weight:600;}
.vt-input{display:flex;align-items:center;border:1.5px solid var(--line-strong);border-radius:10px;background:var(--paper);overflow:hidden;}
.vt-input input{flex:1;min-width:0;min-height:48px;border:0;background:transparent;color:var(--ink);font:600 1.15rem 'Inter',sans-serif;padding:0 12px;font-variant-numeric:tabular-nums;}
.vt-input em{font-style:normal;font:500 0.8rem 'IBM Plex Mono',monospace;color:var(--ink-soft);padding:0 12px;}
.vt-input:has(input.empty){border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-tint);}
.vt-input:has(input.good){border-color:var(--live);}
.vt-input:has(input.wrong){border-color:var(--clay);}

/* Options */
.vt-options{display:grid;grid-template-columns:1fr;gap:8px;}
@media(min-width:480px){.vt-options{grid-template-columns:1fr 1fr;}}
.vt-opt{min-height:48px;text-align:left;padding:10px 14px;border-radius:10px;border:1.5px solid var(--line-strong);background:var(--paper-raised);color:var(--ink);font:600 0.95rem 'Inter',sans-serif;cursor:pointer;display:flex;align-items:center;gap:10px;}
.vt-opt:hover:not([disabled]){border-color:var(--pine);}
.vt-opt.picked{border-color:var(--pine);background:var(--pine-tint);}
.vt-opt[disabled]{cursor:default;}
.vt-swatch{width:18px;height:18px;border-radius:5px;border:1px solid rgba(0,0,0,0.25);flex:none;}

/* Feedback: always visual, never sound */
.vt-feedback{margin-top:14px;}
.vt-fb{border-radius:10px;padding:12px 14px;border:2px solid;}
.vt-fb.ok{background:var(--live-tint);border-color:var(--live);}
.vt-fb.retry{background:var(--gold-tint);border-color:var(--gold);}
.vt-fb.reveal{background:var(--clay-tint);border-color:var(--clay);}
.vt-fb-head{display:flex;align-items:center;gap:8px;font-weight:700;margin:0 0 6px;}
.vt-fb-icon{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:15px;flex:none;}
.vt-fb.ok .vt-fb-icon{background:var(--live);}
.vt-fb.retry .vt-fb-icon{background:var(--gold);}
.vt-fb.reveal .vt-fb-icon{background:var(--clay);}
.vt-fb ul{list-style:none;padding:0;margin:4px 0;}
.vt-fb li,.vt-live li{display:flex;gap:6px;font-size:0.92rem;padding:2px 0;}
.vt-fb li.bad,.vt-live li.bad{color:var(--clay-text);}
.vt-fb li.ok,.vt-live li.ok{color:var(--live);}
.vt-teach{margin:8px 0 0;font-size:0.92rem;}
.vt-cite{margin:6px 0 0;font:500 11px 'IBM Plex Mono',monospace;color:var(--ink-soft);}
.vt-live{list-style:none;padding:10px 12px;margin:0;border:1px dashed var(--line-strong);border-radius:10px;background:var(--paper);}
.vt-waiting{display:flex;align-items:center;gap:8px;color:var(--ink-soft);font-weight:600;font-size:0.92rem;}
.vt-dot{width:10px;height:10px;border-radius:50%;background:var(--pine);animation:vtpulse 1.2s ease-in-out infinite;}
@keyframes vtpulse{50%{opacity:0.25;}}
@media(prefers-reduced-motion:reduce){.vt-dot{animation:none;}}

/* Settings card */
.vt-settings dl{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:0;}
@media(min-width:620px){.vt-settings dl{grid-template-columns:repeat(5,1fr);}}
.vt-settings dl div{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:8px 10px;}
.vt-settings dt{font:700 10.5px 'IBM Plex Mono',monospace;color:var(--ink-soft);text-transform:uppercase;}
.vt-settings dd{margin:2px 0 0;font-weight:700;font-variant-numeric:tabular-nums;}

/* Phase 3 */
.vt-p3-grid{display:grid;grid-template-columns:1fr;gap:12px;align-items:start;}
@media(min-width:960px){.vt-p3-grid{grid-template-columns:minmax(300px,380px) 1fr;}.vt-p3-grid #stepHost{position:sticky;top:12px;}}
.vt-devbar{display:flex;justify-content:flex-end;margin:0 0 6px;}
.vt-switch{display:flex;align-items:center;gap:8px;font-size:0.85rem;min-height:44px;cursor:pointer;}
.vt-switch input{width:20px;height:20px;}
.vt-devhost{min-height:200px;}

/* Results */
.vt-score{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0;}
.vt-score div{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:10px;text-align:center;}
.vt-score strong{display:block;font:600 1.5rem 'Fraunces',serif;color:var(--pine);}
.vt-score span{font:500 11px 'IBM Plex Mono',monospace;color:var(--ink-soft);text-transform:uppercase;}
.vt-review{padding-left:1.3rem;}
.vt-review>li{padding:8px 0;border-bottom:1px solid var(--line);}
.vt-miss{font-size:0.88rem;color:var(--clay-text);}
.vt-error{border-color:var(--clay);}