:root {
  --bg: #14161b;
  --panel: #1b1e25;
  --panel-2: #21252e;
  --line: #2c313c;
  --text: #e6e8ee;
  --dim: #949bab;
  --accent: #f0883e;
  --a: #6c7a91;
  --b: #f0883e;
  --radius: 12px;
}

* { box-sizing: border-box; }

/* El [hidden] del navegador es `display:none` en su hoja de usuario-agente, y
   cualquier regla de autor con la misma especificidad lo gana: `.field` pone
   `display:flex` y el campo seguia viendose con el atributo puesto. Esto lo
   zanja para todos los ocultables de la pagina. */
[hidden] { display: none !important; }

body {
  margin: 0;
  padding: 28px 22px 60px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, sans-serif;
}

header { max-width: 1180px; margin: 0 auto 22px; }
h1 { margin: 0 0 6px; font-size: 26px; letter-spacing: -0.4px; }
h1::after { content: ""; display: block; width: 46px; height: 3px; margin-top: 8px; background: var(--accent); border-radius: 2px; }
.sub { margin: 12px 0 0; color: var(--dim); max-width: 760px; }
.sub strong { color: var(--text); }

main {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 340px; gap: 18px; align-items: start;
}
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
}
.panel.wide { grid-column: 1; }
.panel.controls { grid-column: 2; grid-row: 1 / span 4; position: sticky; top: 20px; max-height: calc(100vh - 46px); overflow-y: auto; }
h3 { margin: 0 0 12px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.9px; color: var(--dim); }

.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 130px; }
.field > span { font-size: 12px; color: var(--dim); }
textarea, select, input[type=number] {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
  font: inherit; width: 100%; resize: vertical;
}
textarea:focus, select:focus, input:focus { outline: none; border-color: var(--accent); }

.row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; align-items: flex-end; }
.row.actions { align-items: center; }

button {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 15px; font: inherit; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #17191d; font-weight: 600; }
button.primary:disabled { opacity: 0.5; cursor: wait; }
.presets button.on { border-color: var(--accent); color: var(--accent); }
.linkbtn {
  align-self: flex-end; padding: 10px 14px; border-radius: 8px; font-size: 13px;
  color: var(--accent); text-decoration: none; white-space: nowrap;
  background: var(--panel-2); border: 1px solid var(--line);
}
.linkbtn:hover { border-color: var(--accent); }
.status { color: var(--dim); font-size: 13px; }
.note {
  margin: 14px 0 0; padding: 10px 13px; font-size: 12.5px; line-height: 1.5;
  color: var(--dim); background: rgba(240,136,62,0.08);
  border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0;
}
.note strong { color: var(--text); }

.ab { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.side { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 13px; }
.side.treated { border-color: rgba(240,136,62,0.45); }
.side h3 { margin-bottom: 6px; color: var(--a); }
.side.treated h3 { color: var(--b); }
.meta { margin: 0 0 10px; font-size: 12px; color: var(--dim); }
audio { width: 100%; height: 34px; }

canvas { width: 100%; margin-top: 16px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; }
.legend { font-size: 12px; color: var(--dim); margin: 8px 0 0; }
.legend .hint { opacity: 0.75; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; vertical-align: -1px; }
.dot.a { background: var(--a); } .dot.b { background: var(--b); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--dim); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; }
td.text { white-space: normal; min-width: 220px; color: var(--text); }
tr.parentetico td.text { color: var(--accent); font-style: italic; }

.group { margin-bottom: 20px; }
.group > h4 { margin: 0 0 4px; font-size: 12px; color: var(--accent); letter-spacing: 0.5px; }
.group > p { margin: 0 0 12px; font-size: 11.5px; color: var(--dim); line-height: 1.45; }
.slider { margin-bottom: 13px; }
.slider .top { display: flex; justify-content: space-between; font-size: 12px; margin-bottom: 3px; }
.slider .top .val { color: var(--accent); font-variant-numeric: tabular-nums; }
.slider input[type=range] { width: 100%; accent-color: var(--accent); }
.slider.check { display: flex; align-items: center; gap: 9px; font-size: 12.5px; }
.slider.check input { accent-color: var(--accent); width: auto; }

/* --- catálogo de hablantes --- */
main.single { grid-template-columns: 1fr; }
.sub a { color: var(--accent); }

.grid {
  display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
}
.card {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 10px 6px; cursor: pointer; text-align: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px;
  border-left-width: 3px;
}
.card:hover { border-color: var(--accent); }
.card.on { background: rgba(240,136,62,0.16); border-color: var(--accent); }
.card .num { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card .hz { font-size: 11px; color: var(--dim); font-variant-numeric: tabular-nums; }
.card .band { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.5px; }
/* La franja de tono se ve de un vistazo sin tener que leer el número. */
.card.grave { border-left-color: #6ea8fe; }
.card.medio { border-left-color: #9d8cff; }
.card.agudo { border-left-color: #ff8ab5; }
.card.sin-tono { border-left-color: var(--line); opacity: 0.55; }

@media (max-width: 900px) {
  main { grid-template-columns: 1fr; }
  .panel.wide, .panel.controls { grid-column: 1; }
  .panel.controls { grid-row: auto; position: static; max-height: none; }
  .ab { grid-template-columns: 1fr; }
}