/* Vibrações · sistema visual "registrador" e identidade técnica Lobby / InteraEnge
   Papel milimetrado e canetas de registrador. Cada caneta é um termo de m·ẍ + c·ẋ + k·x = F:
   k e x azul · c e v verde · m e a magenta · F terracota/âmbar.
   O significado se mantém no desenho, nos controles e nos gráficos. */
:root{
  --serif:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --sans:"IBM Plex Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --display:"IBM Plex Sans Condensed","Arial Narrow",system-ui,sans-serif;
  --text:var(--sans);

  --paper:#f3f1ec;
  --sheet:#fbfaf7;
  --sunk:#eae6de;
  --grid:rgba(22,24,27,.055);
  --grid-2:#d9d5cc;
  --rule:#d9d5cc;
  --ink:#16181b;
  --ink-2:#4b4f55;
  --ink-3:#61656c;
  --accent:#c2410c;
  --accent-ink:#ffffff;
  --accent-soft:#fdf2e9;

  --pen-x:#1f5fa8;
  --pen-v:#0c8256;
  --pen-a:#b02e6b;
  --pen-F:#c2410c;
  --tint-x:#e9effb;
  --tint-v:#e2f2ea;
  --tint-a:#f7e7ef;
  --tint-F:#fdf2e9;
  --pen-ink:var(--ink);
  --pen-ink2:var(--ink-2);
  --pen-ink3:var(--ink-3);
  --pen-grid:var(--grid);
  --alert:#b42318;
  --alert-tint:#fdeeec;

  --plate:#101214;
  --plate-2:#171a1d;
  --plate-line:#2d3135;
  --plate-ink:#ebe8e1;
  --plate-ink-2:#b6b2aa;
  --glow-x:#74a9e6;
  --glow-v:#5fd3a6;
  --glow-a:#f494c2;
  --glow-F:#f07b3f;

  --lift:0 1px 2px rgba(22,24,27,.04),0 4px 12px -4px rgba(22,24,27,.08);
  --lift-2:0 2px 4px rgba(22,24,27,.06),0 10px 24px -8px rgba(22,24,27,.14);
  --r:3px;
  --r-l:4px;
  --gutter:clamp(16px,2.6vw,40px);
  --top:56px;
  --cond:87.5%;
  --ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}

:root[data-theme="dark"]{
  --paper:#101214;
  --sheet:#171a1d;
  --sunk:#1e2226;
  --grid:rgba(235,232,225,.05);
  --grid-2:#2d3135;
  --rule:#2d3135;
  --ink:#ebe8e1;
  --ink-2:#b6b2aa;
  --ink-3:#96928a;
  --accent:#f07b3f;
  --accent-ink:#101214;
  --accent-soft:#2d1808;

  --pen-x:#74a9e6;
  --pen-v:#4cc47e;
  --pen-a:#f494c2;
  --pen-F:#f07b3f;
  --tint-x:rgba(116,169,230,.12);
  --tint-v:rgba(76,196,126,.12);
  --tint-a:rgba(244,148,194,.12);
  --tint-F:rgba(240,123,63,.12);

  --plate:#101214;
  --plate-2:#171a1d;
  --plate-line:#2d3135;
  --plate-ink:#ebe8e1;
  --plate-ink-2:#b6b2aa;

  --alert:#ff705d;
  --alert-tint:#2a1515;
  --lift:0 1px 2px rgba(0,0,0,.35),0 6px 20px -8px rgba(0,0,0,.5);
  --lift-2:0 2px 4px rgba(0,0,0,.45),0 12px 32px -10px rgba(0,0,0,.6);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 15px/1.55 var(--text);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color .2s,color .2s}
#main{flex:1;outline:none}
h1,h2,h3{font-family:var(--sans);font-weight:600;line-height:1.15;margin:0;letter-spacing:0}
h1,.view-head h1,.workspace-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.4vw,44px);letter-spacing:-.015em;line-height:1.05}
h2{font-size:17px;letter-spacing:-.003em}
h3{font-size:14.5px}
p{margin:0}
var{font-style:italic;font-family:var(--mono)}
sub{font-size:.75em}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--pen-x)}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:40;background:var(--ink);color:var(--paper);padding:8px 12px;border-radius:var(--r)}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.pen-x,.pen-k{color:var(--pen-x)}.pen-v,.pen-c{color:var(--pen-v)}.pen-a,.pen-m{color:var(--pen-a)}.pen-F{color:var(--pen-F)}

/* barra superior */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:clamp(10px,2vw,24px);min-height:var(--top);padding:0 var(--gutter);background:var(--plate);color:var(--plate-ink);box-shadow:inset 0 -1px 0 var(--plate-line);max-width:100%;box-sizing:border-box}
.topbar .ba-root{margin-left:auto;flex-shrink:0}
.topbar .views{flex-shrink:1;min-width:0}
.brand{display:flex;align-items:center;gap:10px;color:var(--plate-ink);text-decoration:none;font:500 1.05rem/1 var(--mono);letter-spacing:.02em}
.brand-mark{width:28px;height:28px;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bm-wall{stroke:var(--ink)}.bm-k{stroke:var(--pen-x)}.bm-c{stroke:var(--pen-v)}.bm-m{stroke:var(--pen-a);fill:var(--tint-a)}
.topbar .bm-wall{stroke:var(--plate-ink)}.topbar .bm-k{stroke:var(--glow-x)}.topbar .bm-c{stroke:var(--glow-v)}.topbar .bm-m{stroke:var(--glow-a);fill:rgba(244,148,194,.16)}
.views{display:flex;gap:2px;align-items:center;padding:3px;border-radius:4px;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px var(--plate-line)}
.views .nav{display:flex;align-items:center;gap:7px;min-height:32px;padding:0 12px;border-radius:3px;color:var(--plate-ink-2);text-decoration:none;font:500 13.5px var(--sans);transition:color .15s,background .15s}
.views .nav .ic-nav{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;flex:none;opacity:.85}
.views .nav:hover .ic-nav,.views .nav.active .ic-nav{opacity:1}
.views .nav:hover{color:var(--plate-ink);background:rgba(255,255,255,.06)}
.views .nav.active{color:var(--plate);background:var(--plate-ink);box-shadow:0 1px 2px rgba(0,0,0,.3)}
.views .nav:focus-visible{outline-color:var(--glow-x)}
.count{min-width:18px;padding:0 5px;border-radius:3px;background:rgba(255,255,255,.12);font:500 11px/1.4 var(--mono);text-align:center;font-variant-numeric:tabular-nums}
.views .nav.active .count{background:var(--sunk);color:var(--ink-2)}
/* assinatura: a equação do produto, cada termo na cor da sua caneta */
.plate-eq{margin:0 0 0 auto;display:flex;align-items:baseline;gap:8px;padding:4px 12px;border-radius:3px;box-shadow:inset 0 0 0 1px var(--plate-line);font:400 18px var(--serif);color:var(--plate-ink-2);white-space:nowrap}
.plate-eq i{font-style:italic}
.plate-eq .eq-a{color:var(--glow-a)}.plate-eq .eq-v{color:var(--glow-v)}.plate-eq .eq-x{color:var(--glow-x)}.plate-eq .eq-F{color:var(--glow-F)}

/* controles */
.primary,.secondary,.ghost,.chip,.danger,.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:6px 14px;border-radius:var(--r);border:1px solid transparent;cursor:pointer;font:500 13.5px var(--sans);transition:background .15s,border-color .15s,color .15s,box-shadow .15s,transform .15s var(--ease);white-space:nowrap}
.primary{background:var(--ink);border-color:var(--ink);color:var(--paper);box-shadow:0 1px 2px rgba(22,24,27,.12);font-weight:600}
.primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.primary:active,.secondary:active{transform:translateY(1px)}
.secondary{background:transparent;border-color:var(--rule);color:var(--ink)}
.secondary:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.ghost{background:transparent;color:var(--ink-2)}
.ghost:hover{background:var(--sunk);color:var(--ink)}
.chip{min-height:30px;padding:3px 12px;border-radius:var(--r);background:var(--sheet);border-color:var(--rule);color:var(--ink-2);font:500 12.5px var(--mono)}
.chip:hover{color:var(--ink);border-color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.danger{background:transparent;border-color:#e6b9b3;color:var(--alert)}
.danger:hover{background:var(--alert-tint)}
.danger-text{color:var(--alert)}
.icon-btn{min-width:34px;padding:0;font-size:16px;background:var(--sheet);border-color:var(--rule)}
.link-button{background:none;border:0;padding:2px 0;color:var(--pen-x);font:500 13px var(--mono);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
button:disabled{opacity:.42;cursor:not-allowed}
.segmented{display:inline-flex;gap:2px;padding:2px;border-radius:4px;background:var(--sunk);box-shadow:inset 0 0 0 1px var(--rule)}
.segmented button{border:0;border-radius:3px;background:transparent;min-height:28px;padding:4px 10px;font:500 12.5px var(--mono);color:var(--ink-2);cursor:pointer;transition:background .15s,color .15s,box-shadow .15s}
.segmented button:hover{color:var(--ink)}
.segmented button[aria-pressed="true"]{background:var(--sheet);color:var(--ink);box-shadow:0 1px 2px rgba(22,24,27,.08),0 0 0 1px var(--rule)}
label{display:block;font:500 12.5px var(--mono);letter-spacing:.02em;color:var(--ink-2);margin:12px 0 4px}
input:not([type=checkbox]):not([type=range]):not([type=file]),select,textarea{display:block;width:100%;min-height:38px;padding:8px 10px;border:1px solid var(--rule);border-radius:var(--r);background:var(--sheet);font:14.5px var(--sans);color:var(--ink);font-variant-numeric:tabular-nums;transition:border-color .15s,box-shadow .15s}
input:not([type=checkbox]):not([type=range]):not([type=file]):hover,select:hover,textarea:hover{border-color:var(--ink-3)}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px color-mix(in srgb,var(--accent) 25%,transparent)}
input[aria-invalid="true"],input:invalid{border-color:var(--alert)}
textarea{resize:vertical;min-height:72px}
input[type=range]{width:100%;accent-color:var(--accent);margin:6px 0}
small,.hint{display:block;color:var(--ink-3);font-size:12.5px;line-height:1.4}
small{margin-top:4px}
.footnote{color:var(--ink-3);font-size:12.5px;line-height:1.45;margin-top:8px}
.checkbox{display:flex;gap:8px;align-items:center;color:var(--ink);font-family:var(--sans)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:0 12px;align-items:end}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.row-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.inline-field{display:flex;align-items:center;gap:8px;margin:0;font-size:13px;font-family:var(--mono)}
.inline-field select{width:auto;min-height:32px;padding:4px 8px}
.drawer{border-top:1px solid var(--rule);margin-top:16px}
.drawer>summary{cursor:pointer;padding:12px 0 4px;font:500 13.5px var(--mono);color:var(--ink);list-style:none;display:flex;gap:8px;align-items:center}
.drawer>summary::-webkit-details-marker{display:none}
.drawer>summary::before{content:"";width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(-45deg);transition:transform .2s var(--ease)}
.drawer[open]>summary::before{transform:rotate(45deg)}

/* avisos e estados */
.notice{padding:10px var(--gutter);background:var(--sheet);border-bottom:1px solid var(--rule);font-size:13.5px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}
.notice::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--pen-v)}
.error{position:relative;margin:12px 0;padding:10px 12px 10px 40px;border-radius:var(--r);background:var(--alert-tint);color:#7a1a10;font-size:13.5px;border:1px solid #f2c6bf}
.error::before{content:"!";position:absolute;left:12px;top:10px;width:18px;height:18px;border-radius:50%;background:var(--alert);color:#fff;font:700 12px/18px var(--mono);text-align:center}
.busy{display:flex;align-items:center;gap:12px;margin:16px 0;color:var(--ink-2);font-size:13.5px;font-family:var(--mono)}
.busy-bar{position:relative;width:120px;height:3px;background:var(--rule);overflow:hidden;border-radius:2px}
.busy-bar::after{content:"";position:absolute;inset:0;width:40%;background:var(--accent);animation:sweep 1.1s var(--ease) infinite}
@keyframes sweep{from{transform:translateX(-100%)}to{transform:translateX(250%)}}
.empty-banner{margin:24px 0;padding:24px;border:1px dashed var(--rule);border-radius:var(--r-l);color:var(--ink-2);background:var(--sheet)}

/* cabeçalhos de vista */
.view-head{padding:36px 0 24px;display:grid;gap:8px}
.view-head p{color:var(--ink-2);max-width:62ch;text-wrap:pretty;font-size:15.5px;line-height:1.5}
.view-head.with-actions{grid-template-columns:1fr auto;align-items:end;gap:16px}
.learn,.history{width:min(1360px,100%);margin:0 auto;padding:0 var(--gutter) 64px}

/* ANALISAR */
.analysis{display:grid;grid-template-columns:minmax(280px,330px) minmax(0,1fr);align-items:start;width:min(1480px,100%);margin:0 auto}
.settings{position:sticky;top:var(--top);max-height:calc(100vh - var(--top));overflow:auto;background:var(--sheet);border-right:1px solid var(--rule);box-shadow:8px 0 24px -22px rgba(22,24,27,.25);display:flex;flex-direction:column}
.settings form{display:flex;flex-direction:column;min-height:100%}
.form-block{padding:22px 22px 8px}
.form-block+.form-block{border-top:1px solid var(--rule)}
.form-block h2{font-size:15px;color:var(--ink);margin-bottom:6px;font-family:var(--sans)}
.upload{position:relative;display:grid;justify-items:center;gap:4px;margin:10px 0 0;padding:22px 14px;border:1.5px dashed var(--rule);border-radius:var(--r-l);text-align:center;cursor:pointer;background:var(--paper);color:var(--ink);transition:border-color .15s,background .15s}
.upload:hover,.upload:focus-within{border-color:var(--accent);background:var(--sheet)}
.upload svg{width:22px;height:22px;fill:none;stroke:var(--ink-2);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.upload strong{font:600 13.5px var(--sans);word-break:break-all}
.upload span{font:12px var(--mono);color:var(--ink-3)}
.upload input{position:absolute;inset:0;opacity:0;cursor:pointer}
.examples{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:10px}
.examples span{width:100%;font:12px var(--mono);color:var(--ink-3)}
.form-submit{position:sticky;bottom:0;margin-top:auto;padding:14px 20px 16px;background:linear-gradient(to bottom,rgba(255,255,255,0),var(--sheet) 22%);border-top:1px solid var(--rule)}
.form-submit .primary{width:100%;min-height:42px;font-size:14.5px}
.workspace{padding:36px var(--gutter) 64px;min-width:0;outline:none}
.workspace-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--rule)}
.workspace-head p{color:var(--ink-2);margin-top:6px;font-size:15.5px;overflow-wrap:anywhere}
.workspace-actions{display:flex;gap:8px;flex-wrap:wrap}
.empty-state{padding:36px 0;max-width:980px}
.empty-lead{font:400 clamp(24px,2.4vw,32px)/1.2 var(--serif);color:var(--ink);max-width:42ch;text-wrap:balance;letter-spacing:-.01em}
.specimens{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:28px 0 32px}
.specimen{display:grid;gap:4px;text-align:left;padding:0 0 16px;overflow:hidden;border:1px solid var(--rule);border-radius:var(--r-l);background:var(--sheet);box-shadow:var(--lift);cursor:pointer;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.specimen:hover,.specimen:focus-visible{border-color:var(--accent);box-shadow:var(--lift-2);transform:translateY(-2px)}
.specimen svg{width:100%;height:84px;fill:none;stroke:var(--accent);stroke-width:1.8;stroke-linejoin:round;margin-bottom:10px;padding:14px 16px;background-color:var(--sheet);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:20px 20px;border-bottom:1px solid var(--rule)}
.specimen strong,.specimen span{padding:0 16px}
.specimen strong{font:600 15px var(--sans)}
.specimen span{font:12.5px var(--mono);color:var(--ink-3)}
.empty-steps{margin:0;padding:0;list-style:none;counter-reset:st;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;color:var(--ink-2);font-size:14px}
.empty-steps li{counter-increment:st;display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;padding-top:14px;border-top:1px solid var(--rule)}
.empty-steps li::before{content:counter(st);width:24px;height:24px;border-radius:3px;background:var(--sheet);border:1px solid var(--rule);font:600 12px/24px var(--mono);text-align:center;color:var(--ink)}
.readouts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:24px 0 4px;border:1px solid var(--rule);border-radius:var(--r-l);background:var(--sheet);box-shadow:var(--lift)}
.reference-item{display:flex;gap:10px;padding:16px 18px;min-width:0}
.reference-item+.reference-item{border-left:1px solid var(--rule)}
.reference-icon svg{width:18px;height:18px;fill:none;stroke:var(--ink-3);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-top:2px}
.reference-item span{display:block;font:600 11px/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.reference-item strong{display:block;margin-top:4px;font:600 28px/1.1 var(--mono);font-variant-numeric:tabular-nums;color:var(--ink);overflow-wrap:anywhere}
.reference-item.pen-v strong{color:var(--pen-v)}.reference-item.pen-a strong{color:var(--pen-a)}
.reference-item small{color:var(--ink-3);font-family:var(--mono);font-size:12px}
.tabs{display:flex;gap:4px;margin:28px 0 0;border-bottom:1px solid var(--rule);overflow-x:auto;scrollbar-width:none}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:10px 14px;font:500 13.5px var(--mono);color:var(--ink-2);cursor:pointer;white-space:nowrap;transition:color .15s,border-color .15s}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.panel{padding:26px 0;display:grid;gap:26px;min-width:0}
.panel h2{margin-bottom:4px}
.signature{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:20px 22px;box-shadow:var(--lift)}
.signature-chart{width:100%;height:190px;display:block;margin-top:8px}
.sig-axis{stroke:var(--ink-2);stroke-width:1}
.sig-grid{stroke:var(--rule);stroke-dasharray:3 4}
.sig-tick{fill:var(--ink-3);font:11px var(--mono);text-anchor:middle}
.sig-peak{cursor:pointer}
.sig-peak line{stroke:var(--ink-3);stroke-width:2}
.sig-peak circle{fill:var(--sheet);stroke:var(--ink-3);stroke-width:1.6}
.sig-peak.linked line{stroke:var(--pen-a);stroke-width:2.4}
.sig-peak.linked circle{fill:var(--pen-a);stroke:var(--pen-a)}
.sig-peak:hover line,.sig-peak:focus line{stroke-width:3.4}
.sig-peak:focus{outline:none}.sig-peak:focus circle{stroke:var(--ink);stroke-width:2.4}
.sig-label{fill:var(--pen-a);font:600 11.5px var(--mono);paint-order:stroke;stroke:var(--sheet);stroke-width:4px}
#diagnostics{display:grid;gap:12px;margin-top:12px}
.diagnosis-card{display:grid;gap:10px;padding:18px 22px;background:var(--sheet);border:1px solid var(--rule);border-left:3px solid var(--pen-a);border-radius:var(--r-l)}
.diagnosis-card.diagnosis-neutral{border-left-color:var(--ink-3)}
.diagnosis-head{display:flex;gap:10px;align-items:flex-start}
.diagnosis-icon svg{width:20px;height:20px;fill:none;stroke:var(--ink-2);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.diagnosis-head h3{font-size:16px}
.diagnosis-caption{font-size:13px;color:var(--ink-3)}
.diagnosis-evidence{display:grid;gap:3px;padding:10px 12px;background:var(--paper);border-radius:var(--r);font-size:13.5px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.diagnosis-evidence strong{font:600 12.5px var(--mono);color:var(--ink-2)}
.diagnosis-checks h4,.diagnosis-meaning h4{font:600 12.5px var(--mono);text-transform:uppercase;letter-spacing:.04em;margin:0 0 4px;color:var(--ink-2)}
.diagnosis-checks ul{margin:0;padding-left:18px;display:grid;gap:2px;font-size:13.5px}
.diagnosis-more>summary{cursor:pointer;color:var(--pen-x);font:500 13px var(--mono)}
.diagnosis-more p{font-size:13.5px;margin-top:6px;color:var(--ink-2)}
.diagnosis-confirm{display:flex;gap:8px;align-items:flex-start;margin-top:8px}
.diagnosis-confirm svg{flex:none;width:18px;height:18px;fill:none;stroke:var(--pen-v);stroke-width:2}
.acquisition-drawer{margin-top:0}
.measurement-strip{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:10px;font-size:13.5px}
.measurement-strip span{color:var(--ink-3);font-family:var(--mono)}
.measurement-strip strong{font:600 13.5px var(--mono);font-variant-numeric:tabular-nums}
.warnings{display:grid;gap:4px;margin-top:10px;padding:10px 12px;border-left:3px solid var(--pen-F);background:var(--tint-F);border-radius:var(--r);font-size:13.5px}
.chart{width:100%;min-height:300px;min-width:0}
.chart-large{min-height:440px}
.chart-rms{min-height:260px}
.chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
figure{margin:0;min-width:0;background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:18px 18px 8px}
figcaption{font:500 13.5px var(--sans);color:var(--ink-2);margin-bottom:4px}
figcaption p{font:12.5px var(--sans);color:var(--ink-3)}
figcaption h2{font-size:15.5px;color:var(--ink);margin-bottom:2px}
.zone-reference h3{margin-bottom:4px}
.zone-legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:12px}
.zone-item{padding:12px;background:var(--sheet);border:1px solid var(--rule);border-top:3px solid var(--band,var(--ink-3));border-radius:var(--r);font-size:13.5px}
.zone-heading{display:flex;gap:6px;align-items:center}
.zone-heading svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8}
.zone-heading strong{font:600 13.5px var(--sans)}
.zone-range{display:block;font:600 12.5px var(--mono);font-variant-numeric:tabular-nums;color:var(--ink-2);margin:2px 0 4px}
.zone-item p{color:var(--ink-2);font-size:13px}
.zone-unavailable{display:inline-block;margin-top:6px;padding:1px 8px;border-radius:3px;background:var(--sunk);font:11.5px var(--mono);color:var(--ink-2)}
.band-unbalance{--band:#c4543c}.band-misalignment{--band:#406ebe}.band-looseness{--band:#be9628}.band-gear{--band:#288c64}.band-bearing{--band:#785aaa}.band-lubrication{--band:#288c96}
.region-references p{font-size:13px;color:var(--ink-2);margin-top:6px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split section{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:20px}
.split h3{margin-bottom:8px}
table{width:100%;border-collapse:collapse;font-size:13.5px;font-variant-numeric:tabular-nums}
th{text-align:left;font:600 11.5px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);padding:9px 12px;border-bottom:1px solid var(--rule);background:var(--paper)}
td{padding:9px 12px;border-bottom:1px solid var(--rule);vertical-align:top;font-family:var(--mono);font-size:13px}
.table-wrap{overflow-x:auto;border:1px solid var(--rule);border-radius:var(--r-l);background:var(--sheet)}
tbody tr{transition:background .12s}tbody tr:hover{background:var(--sunk)}
.rotation-value{font:600 24px var(--mono);color:var(--ink);font-variant-numeric:tabular-nums}
#rotation-info p{font-size:13.5px;color:var(--ink-2)}
.info-block{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:16px;display:grid;gap:4px;font-size:13.5px;font-family:var(--mono);font-variant-numeric:tabular-nums}
.health-grid{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:24px;align-items:start}
.health-card{background:var(--sheet);border:1px solid var(--rule);border-top:3px solid var(--level,var(--ink-3));border-radius:var(--r-l);padding:22px;display:grid;gap:4px}
.health-normal{--level:#4f8a62}.health-mild{--level:#c9a227}.health-moderate{--level:#d9822b}.health-severe{--level:var(--alert)}
.health-kicker{font:600 11px/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
#health-rms{font:600 42px/1.05 var(--mono);color:var(--pen-v);font-variant-numeric:tabular-nums}
#health-caption{color:var(--ink-2);font-size:13.5px}
.polar-chart{height:260px}
.spaced{margin-top:8px}

/* APRENDER */
.learn-bench{display:grid;grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:28px;align-items:start}
.learn-phenomenon{display:grid;gap:16px;position:sticky;top:calc(var(--top) + 16px);padding:16px;background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);box-shadow:var(--lift)}
.stage{position:relative;height:300px;border:1px solid var(--rule);border-radius:var(--r-l);background-color:var(--sheet);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;background-position:-1px -1px}
.stage svg{width:100%;height:100%}
.stage .ghost{position:absolute;right:8px;top:8px;background:var(--sheet);border:1px solid var(--rule)}
.wall{stroke:var(--ink);stroke-width:2.4;fill:none}
.pen-k-stroke{fill:none;stroke:var(--pen-x);stroke-width:2.2;stroke-linejoin:round}
.equilibrium{stroke:var(--ink-3);stroke-dasharray:4 4}
.mass-body{fill:var(--tint-a);stroke:var(--pen-a);stroke-width:2}
.tuners{display:grid;gap:6px;padding:0}
.tuners label{display:grid;grid-template-columns:1fr auto;align-items:center;margin:2px 0;color:var(--ink)}
.tuners output{font:600 18px var(--mono);font-variant-numeric:tabular-nums;color:var(--pen-a)}
.tuners input{grid-column:1/-1;accent-color:var(--pen-a)}
.learn-terms{display:grid;gap:8px;margin:0;padding-top:14px;border-top:1px solid var(--rule);font-size:13.5px}
.learn-terms div{display:grid;grid-template-columns:92px 1fr;gap:8px}
.learn-terms dt{font:600 13px var(--mono)}
.learn-terms dd{margin:0;color:var(--ink-2)}
.learn-instrument{display:grid;gap:16px;min-width:0}
.presets{display:flex;flex-wrap:wrap;gap:6px}
.learn-form{display:grid;grid-template-columns:repeat(6,minmax(70px,1fr)) auto;gap:10px;align-items:end;background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:6px 16px 16px}
.learn-form label{margin-top:8px}
.learn-flags{margin:0;padding:0;list-style:none;display:grid;gap:4px}
.learn-flags li{padding:8px 12px;background:var(--sheet);border-left:3px solid var(--ink-3);border-radius:var(--r);font-size:13.5px;color:var(--ink-2)}
.learn-depth{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:28px;margin-top:40px}
.learn-depth article{background:var(--sheet);border:1px solid var(--rule);border-radius:var(--r-l);padding:24px 26px}
.learn-depth h2{font-size:19px}
.learn-steps{margin:12px 0 0;padding:0;list-style:none;counter-reset:s;display:grid}
.learn-steps li{counter-increment:s;display:grid;grid-template-columns:26px minmax(0,1fr);column-gap:8px;padding:10px 0;border-top:1px solid var(--rule)}
.learn-steps li::before{content:counter(s);grid-row:span 4;width:20px;height:20px;border-radius:3px;background:var(--sunk);border:1px solid var(--rule);font:600 11px/20px var(--mono);text-align:center;color:var(--ink-2)}
.learn-steps strong{font:600 13.5px var(--sans)}
.learn-steps code{font:13.5px var(--mono);color:var(--ink-2)}
.learn-value{font:600 13.5px var(--mono);font-variant-numeric:tabular-nums;color:var(--pen-a)}
.learn-steps small{margin:0}
.practice{border:0;padding:0;margin:14px 0 0;display:grid;gap:6px}
.practice legend,.practice p{font-size:14.5px;padding:0}
.practice-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.practice-row input{width:120px;flex:none}
.practice-hints{margin:0;padding-left:18px;font-size:13.5px;color:var(--ink-2)}
.practice-feedback{font-size:13.5px;color:var(--ink)}
.practice-feedback:not(:empty){padding:8px 12px;background:var(--paper);border-radius:var(--r)}
.next-link{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:40px;padding:20px 24px;border-radius:var(--r-l);background:var(--plate);color:var(--plate-ink);text-decoration:none;font:600 17px var(--sans);box-shadow:var(--lift-2);transition:transform .2s var(--ease)}
.next-link::after{content:"";flex:none;width:10px;height:10px;border-top:2px solid var(--glow-x);border-right:2px solid var(--glow-x);transform:rotate(45deg)}
.next-link:hover{transform:translateY(-2px)}

/* HISTÓRICO */
.history-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.history-summary{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.history-stat{display:inline-flex;align-items:baseline;gap:8px;padding:10px 16px;border:1px solid var(--rule);border-radius:var(--r-l);background:var(--sheet)}
.history-stat strong{font:600 24px var(--mono);font-variant-numeric:tabular-nums}
.history-stat span{font:12.5px var(--mono);color:var(--ink-2)}
.history-stat-total{border-color:var(--ink)}
.history-trends{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.history-trends figcaption{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:baseline}
.history-guide{max-width:80ch}
.history-guide p{font-size:13.5px;color:var(--ink-2);margin-top:6px}
.history-complete{margin-top:32px}
/* vazio: um convite à primeira análise, sem tabela de cabeçalhos soltos */
#history-empty:not([hidden])~.history-guide,#history-empty:not([hidden])~.history-complete{display:none}
.empty-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,420px);gap:40px;align-items:center;padding:40px 44px;border:1px solid var(--rule);border-radius:var(--r-l);background:var(--sheet);box-shadow:var(--lift)}
.empty-hero h2{font-family:var(--serif);font-weight:400;font-size:clamp(26px,2.6vw,36px);letter-spacing:-.01em;margin-bottom:10px}
.empty-hero p{color:var(--ink-2);max-width:48ch;font-size:15px}
.empty-hero .row{margin-top:22px}
.empty-hero .primary{text-decoration:none}
.empty-hero svg{width:100%;height:auto;border-radius:var(--r-l);border:1px solid var(--rule);background-color:var(--sheet);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px}
.empty-hero .band{fill:none;stroke-width:1;stroke-dasharray:4 4}
.empty-hero .trend{fill:none;stroke:var(--pen-v);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.empty-hero .dot{fill:var(--sheet);stroke:var(--pen-v);stroke-width:2}
.history-complete h2{margin-bottom:10px}
.state-badge{display:inline-block;padding:1px 8px;border-radius:3px;font:500 11.5px var(--mono);background:var(--sunk);white-space:nowrap}
.state-normal{background:#e3efe6}.state-mild{background:#f7efd3}.state-moderate{background:#f8e5d2}.state-severe{background:var(--alert-tint);color:var(--alert)}

/* rodapé */
.colophon{display:flex;flex-wrap:wrap;gap:6px 24px;padding:22px var(--gutter);margin-top:24px;border-top:1px solid var(--rule);font:12.5px var(--mono);color:var(--ink-3)}
.colophon a{color:var(--ink-2);text-decoration:none}
.colophon a:hover{text-decoration:underline}

@media (max-width:1300px){
  .plate-eq{display:none}
}
@media (max-width:1100px){
  .analysis{grid-template-columns:1fr}
  .settings{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--rule)}
  .settings form{display:grid;grid-template-columns:1fr 1fr}
  .form-block+.form-block{border-top:0;border-left:1px solid var(--rule)}
  .form-submit{grid-column:1/-1;position:static;background:var(--sheet)}
  .learn-bench{grid-template-columns:1fr}
  .learn-phenomenon{position:static;grid-template-columns:minmax(200px,280px) 1fr;align-items:start}
  .learn-phenomenon .stage{grid-row:span 3}
  .learn-form{grid-template-columns:repeat(3,minmax(0,1fr))}
  .learn-form button{grid-column:1/-1}
  .plate-eq{display:none}
  .empty-hero{grid-template-columns:1fr}
}
@media (max-width:800px){
  html,body{overflow-x:hidden}
  :root{--top:auto}
  body{font-size:15px}
  .topbar{position:static;flex-wrap:wrap;gap:0;padding:0 0 10px}
  .brand{padding:12px 16px 8px}
  .views{margin:0 12px;width:calc(100% - 24px);overflow-x:auto;scrollbar-width:none}
  .views .nav{padding:0 9px;white-space:nowrap;flex:1 0 auto;justify-content:center;font-size:13.5px}
  .view-head{padding:28px 0 20px}
  .empty-steps{grid-template-columns:1fr}
  .empty-hero{padding:24px 20px;gap:24px}
  .settings form{display:flex}
  .form-block+.form-block{border-left:0;border-top:1px solid var(--rule)}
  .readouts{grid-template-columns:1fr 1fr}
  .reference-item:nth-child(3){border-left:0}
  .reference-item:nth-child(n+3){border-top:1px solid var(--rule)}
  .reference-item strong{font-size:20px}
  .specimens,.chart-grid,.split,.health-grid,.history-trends,.learn-depth{grid-template-columns:1fr}
  .chart-large{min-height:340px}
  .view-head.with-actions{grid-template-columns:1fr}
  .learn-phenomenon{grid-template-columns:1fr}
  .learn-phenomenon .stage{height:240px;grid-row:auto}
  .learn-form{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}
}