/* PULSO · Afinador — mismo lenguaje visual del metrónomo */
.ptn{position:fixed;top:92px;left:50%;width:340px;z-index:99991;
  transform:translateX(-50%) translateY(12px) scale(.97);
  font-family:'Outfit',system-ui,sans-serif;color:var(--pu-ink);
  background:linear-gradient(var(--pu-navy-hi),var(--pu-navy-lo));
  border:1px solid color-mix(in srgb,var(--pu-deep) 70%,var(--pu-accent) 12%);border-radius:16px;
  box-shadow:0 30px 70px rgba(2,8,20,.65),0 0 0 1px rgba(255,255,255,.03) inset;
  opacity:0;transition:.28s cubic-bezier(.2,.9,.3,1.2)}
.ptn.in{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}
.ptn *,.ptn *::before,.ptn *::after{box-sizing:border-box}
.ptn button{font-family:inherit}

.ptn-head{display:flex;align-items:center;gap:10px;padding:11px 13px;
  background:linear-gradient(color-mix(in srgb,var(--pu-navy),#000 14%),color-mix(in srgb,var(--pu-navy),#000 28%));
  border-bottom:1px solid var(--pu-line);border-radius:16px 16px 0 0}
.ptn-grip{width:14px;height:18px;flex:none;
  background:radial-gradient(circle,color-mix(in srgb,var(--pu-deep),#fff 30%) 1.3px,transparent 1.6px) 0 0/6px 6px}
.ptn-tt{flex:1;min-width:0}
.ptn-tt h3{font-family:var(--pu-disp);font-weight:700;font-size:.85rem;margin:0;color:var(--pu-ink)}
.ptn-tt p{font-family:var(--pu-mono);font-size:.64rem;color:var(--pu-mut);margin:2px 0 0}
.ptn-hbtn{width:28px;height:28px;flex:none;border-radius:8px;border:1px solid var(--pu-line);
  background:color-mix(in srgb,var(--pu-navy),#000 32%);color:var(--pu-mut);cursor:pointer;font-size:.75rem;padding:0;transition:.2s}
.ptn-hbtn:hover{color:var(--pu-ink);border-color:var(--pu-accent)}

.ptn-body{padding:15px}
.ptn-gauge{position:relative;width:240px;height:150px;margin:2px auto 0;
  background:var(--pu-screen);border:1px solid color-mix(in srgb,var(--pu-deep),#fff 8%);
  border-radius:12px;box-shadow:inset 0 2px 14px rgba(0,0,0,.75)}
.ptn-svg{position:absolute;inset:0;width:100%;height:100%}
.ptn-arc{fill:none;stroke:color-mix(in srgb,var(--pu-deep),#fff 18%);stroke-width:3}
.ptn-tick{stroke:var(--pu-mut);stroke-width:1}
.ptn-tick.mayor{stroke:var(--pu-accent-soft);stroke-width:2}
.ptn-ticklbl{fill:var(--pu-mut);font-size:9px;font-family:var(--pu-mono);text-anchor:middle}
.ptn-needle{position:absolute;left:50%;bottom:22px;width:4px;height:96px;margin-left:-2px;border-radius:2px;
  background:linear-gradient(var(--pu-accent2),var(--pu-accent));transform-origin:50% 100%;transform:rotate(0deg);
  transition:transform .09s linear;box-shadow:0 0 8px color-mix(in srgb,var(--pu-accent) 60%,transparent)}
.ptn-pivot{position:absolute;left:50%;bottom:15px;width:14px;height:14px;margin-left:-7px;border-radius:50%;
  background:color-mix(in srgb,var(--pu-deep),#fff 25%);border:2px solid var(--pu-accent)}

.ptn-readout{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:10px}
.ptn-note{font-family:var(--pu-mono);font-size:2.6rem;line-height:1;color:var(--pu-accent);
  text-shadow:0 0 18px color-mix(in srgb,var(--pu-accent) 55%,transparent);min-width:80px;text-align:center}
.ptn-cents{font-family:var(--pu-mono);font-size:1.1rem;color:var(--pu-mut);min-width:56px}
.ptn-led{width:14px;height:14px;border-radius:50%;background:#2a3348;border:1px solid var(--pu-line);transition:.15s}
.ptn-led.cerca{background:var(--pu-accent);box-shadow:0 0 10px var(--pu-accent)}
.ptn-led.on{background:#39d6b4;border-color:#7ef0d4;box-shadow:0 0 14px #39d6b4}

.ptn-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:9px;margin-top:13px}
.ptn-field{display:flex;flex-direction:column;gap:5px}
.ptn-field>span{font-size:.58rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--pu-mut)}
.ptn select,.ptn input{background:color-mix(in srgb,var(--pu-navy),#000 32%);border:1px solid var(--pu-line);
  border-radius:8px;color:var(--pu-ink);font-size:.78rem;padding:6px 8px;width:100%}
.ptn select:hover,.ptn input:hover{border-color:var(--pu-accent)}

.ptn-strings{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:13px;min-height:32px}
.ptn-str{font-family:var(--pu-mono);font-size:.8rem;padding:6px 12px;border-radius:8px;cursor:pointer;
  background:color-mix(in srgb,var(--pu-navy),#000 32%);border:1px solid var(--pu-line);color:var(--pu-mut);transition:.15s}
.ptn-str:hover{color:var(--pu-accent);border-color:var(--pu-accent)}
.ptn-str.activa{background:color-mix(in srgb,var(--pu-accent) 18%,transparent);color:var(--pu-accent);border-color:var(--pu-accent)}

.ptn-actions{margin-top:13px}
.ptn-start{width:100%;background:linear-gradient(155deg,var(--pu-accent2),var(--pu-accent));border:none;border-radius:9px;
  color:var(--pu-deep);font-weight:700;font-size:.85rem;padding:11px;cursor:pointer;transition:.2s}
.ptn-start:hover{transform:translateY(-1px);box-shadow:0 6px 18px color-mix(in srgb,var(--pu-accent) 40%,transparent)}

@media(max-width:640px){
  .ptn{left:10px;right:10px;top:auto;bottom:12px;width:auto;transform:translateY(12px) scale(.97)}
  .ptn.in{transform:translateY(0) scale(1)}
  .ptn-grid{grid-template-columns:1fr 1fr}
}


/* ---------- ajustes: A4 consistente + panel arrastrable ---------- */
.ptn{color-scheme:dark}                         /* native widgets (spinners) en oscuro */
.ptn-head{cursor:grab;user-select:none}
.ptn-head.dragging{cursor:grabbing}

/* A4 como stepper (mismo estilo del resto) */
.ptn-grid{grid-template-columns:1fr 1fr auto}
.ptn-a4{display:flex;align-items:center;gap:6px}
.ptn-a4btn{width:26px;height:28px;border-radius:7px;border:1px solid var(--pu-line);cursor:pointer;padding:0;
  background:color-mix(in srgb,var(--pu-navy),#000 32%);color:var(--pu-mut);font-size:.9rem;line-height:1;transition:.15s}
.ptn-a4btn:hover{color:var(--pu-accent);border-color:var(--pu-accent)}
.ptn-a4btn:active{transform:scale(.92)}
.ptn-a4val{font-family:var(--pu-mono);font-size:.82rem;color:var(--pu-ink);min-width:36px;text-align:center}
@media(max-width:640px){.ptn-grid{grid-template-columns:1fr 1fr}}