:root{
  /* Identidade Vivace */
  --color-primary:#1565C0; --color-secondary:#0D47A1; --color-accent:#42A5F5;
  --color-text:#1A1A1A; --color-white:#FFFFFF; --color-background:#F7F9FC;
  --color-border:#E5E7EB; --color-muted:#6B7280;
  --radius-sm:8px; --radius-md:12px; --radius-lg:16px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06); --shadow-md:0 4px 16px rgba(0,0,0,.08);
  --header-height:64px; --transition:.2s ease;
  --ok:#2E7D32; --ok-bg:#E8F5E9; --warn:#ED6C02; --bad:#C62828;
}
*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;background:var(--color-background);color:var(--color-text);font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
button,input{font:inherit}
.hidden{display:none!important}

/* ---------- barra superior ---------- */
.topbar{height:var(--header-height);display:flex;align-items:center;gap:12px;padding:0 16px;background:var(--color-white);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:10}
.topbar img{width:auto;max-height:38px;max-width:120px}
.topbar .app-name{padding-left:12px;border-left:1px solid var(--color-border);font-weight:700;color:var(--color-secondary);white-space:nowrap}
.topbar .spacer{flex:1}
.topbar button{white-space:nowrap}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:4px 12px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-background);color:var(--color-muted);font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.badge.locked{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}

/* ---------- botões ---------- */
button{min-height:42px;padding:10px 16px;background:var(--color-white);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:14px;font-weight:600;cursor:pointer;transition:background var(--transition),border-color var(--transition),color var(--transition),transform var(--transition)}
button:hover{border-color:var(--color-primary);color:var(--color-primary)}
button:active{transform:translateY(1px)}
button.primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
button.primary:hover{background:var(--color-secondary);border-color:var(--color-secondary);color:#fff}
button.on{background:var(--ok);border-color:var(--ok);color:#fff}
button.on:hover{background:#256428;border-color:#256428;color:#fff}
button:disabled{opacity:.45;cursor:not-allowed;border-color:var(--color-border);color:var(--color-muted)}
button.primary:disabled{background:var(--color-primary);color:#fff}
input[type=number]{width:84px;background:var(--color-white);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:6px 8px}
input[type=number]:focus{outline:2px solid var(--color-accent);border-color:var(--color-primary)}
input[type=range],input[type=checkbox]{accent-color:var(--color-primary)}
input[type=range]{width:170px;vertical-align:middle}
label{color:var(--color-muted);font-size:13px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
h2{font-size:11px;margin:0 0 10px;color:var(--color-muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.sub{color:var(--color-muted);font-size:13px}
.status{font-size:13px;color:var(--color-muted)}
.err{color:var(--bad)}

/* ---------- estrutura ---------- */
.app{max-width:1100px;margin:0 auto;padding:16px;display:grid;grid-template-columns:minmax(0,1fr);gap:16px}
.col{display:flex;flex-direction:column;gap:16px;min-width:0}
@media(min-width:900px){.app{grid-template-columns:minmax(0,440px) minmax(0,1fr)}}
.card{background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:16px}

/* ---------- afinador (mostrador) ---------- */
.modebar{display:flex;gap:6px;justify-content:center;margin-bottom:8px}
.seg{min-height:32px;padding:4px 14px;border-radius:999px;font-size:12px;letter-spacing:.04em;color:var(--color-muted)}
.seg.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.dialwrap{position:relative;display:flex;justify-content:center;align-items:center}
#cvDial{width:100%;max-width:340px;aspect-ratio:1;height:auto;border:0;background:none;cursor:pointer}
.nav{position:absolute;top:50%;transform:translateY(-50%);width:40px;min-height:40px;height:40px;padding:0;border-radius:50%;font-size:20px;line-height:1}
.nav.prev{left:0}.nav.next{right:0}
.nav:active{transform:translateY(-50%) translateY(1px)}
.hint{text-align:center;color:var(--color-muted);min-height:22px;margin-top:4px}
.meter{position:relative;height:30px;margin:8px 4px 4px;background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}
.meter .zone{position:absolute;top:0;bottom:0;left:48%;width:4%;background:rgba(46,125,50,.16)}
.meter .center{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--color-border)}
.meter .needle{position:absolute;top:0;bottom:0;width:4px;margin-left:-2px;background:var(--color-muted);transition:left .12s linear,background .12s}
.scale{display:flex;justify-content:space-between;color:var(--color-muted);font-size:11px;margin:0 4px}
.octrow{display:flex;justify-content:space-between;gap:8px;margin-top:10px}
.octrow button{min-height:34px;padding:4px 12px;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.stat{background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:6px 10px;text-align:center}
.stat b{display:block;font-size:15px;font-variant-numeric:tabular-nums}
.stat span{color:var(--color-muted);font-size:11px}

/* ---------- teclado ---------- */
#cvKeys{width:100%;height:84px;display:block;cursor:pointer;touch-action:manipulation}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:8px;font-size:11px;color:var(--color-muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* ---------- abas ---------- */
.tabs{display:flex;gap:4px;overflow-x:auto;margin:-4px -4px 12px;padding:4px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:0 0 auto;min-height:36px;padding:6px 14px;border-radius:999px;font-size:13px;color:var(--color-muted)}
.tab.active{background:var(--color-secondary);border-color:var(--color-secondary);color:#fff}
.pane canvas{width:100%;height:230px;display:block;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius-md)}
.pane .sub{margin-top:8px}

/* ---------- parciais ---------- */
.prow{display:grid;grid-template-columns:22px 70px 1fr 54px;gap:8px;align-items:center;padding:4px 0;font-size:13px;font-variant-numeric:tabular-nums;border-bottom:1px solid var(--color-border)}
.prow:last-child{border-bottom:0}
.pn{color:var(--color-muted);font-weight:700}
.pf{color:var(--color-muted)}
.pbar{position:relative;height:10px;background:var(--color-background);border-radius:5px;overflow:hidden}
.pbar::after{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--color-border)}
.pbar i{position:absolute;top:0;bottom:0;background:var(--color-primary);border-radius:5px}
.pc{text-align:right;font-weight:700}
.pempty{color:var(--color-muted);font-size:13px;padding:6px 0}

/* ---------- medir / travar ---------- */
.steps{margin:0 0 12px 18px;color:var(--color-muted);font-size:13px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 14px}
.chip{min-height:0;padding:6px 12px;border-radius:999px;font-size:13px}
.chip.ok{background:var(--ok-bg);border-color:var(--ok);color:var(--ok)}
.lockbar{padding:10px 12px;border-radius:var(--radius-md);background:var(--color-background);border:1px solid var(--color-border);font-size:13px;margin-bottom:12px}
.lockbar.locked{background:var(--ok-bg);border-color:var(--ok);color:#1B5E20}
.tabela{max-height:280px;overflow:auto;margin-top:8px;border:1px solid var(--color-border);border-radius:var(--radius-md)}
.tabela table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}
.tabela th,.tabela td{padding:5px 10px;text-align:right;border-bottom:1px solid var(--color-border)}
.tabela th:first-child,.tabela td:first-child{text-align:left}
.tabela th{position:sticky;top:0;background:var(--color-background);color:var(--color-muted);font-size:11px;text-transform:uppercase}
details summary{cursor:pointer;color:var(--color-primary);font-size:13px;font-weight:600}
.field{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}
.demo{margin-top:14px;padding-top:14px;border-top:1px solid var(--color-border)}

@media(max-width:600px){
  .topbar .app-name{display:none}
  .topbar{gap:8px;padding:0 12px}
  .badge{padding:4px 10px}
  .app{padding:12px;gap:12px}
  .card{padding:14px}
  .nav{width:36px;height:36px;min-height:36px}
}