/* ===========================================================================
   Gota Studios · Herramientas — estilos compartidos
   ---------------------------------------------------------------------------
   FUENTE ÚNICA DE LOS TOKENS: index.html (línea ~105, tema "noir").
   Si cambian allá, sincronizar aquí. No compartir CSS con el home (vive inline
   dentro del componente React de support.js y no es reutilizable).
   =========================================================================== */

:root{
  --bg:#0B0A09;
  --bg2:#0B0A09;
  --ink:#F3EEE7;
  --muted:#9A938A;
  --faint:#837C72; /* ≥4.5:1 sobre --bg (WCAG AA); #6A645C daba ~3.2:1 e ilegible al sol */
  --accent:#E2A33D;
  --accent2:#C77F2E;
  --line:rgba(243,238,231,.10);
  --card-bg:transparent;
  --card-border:1px solid rgba(226,163,61,.16);
  --radius:0px;
  --space:clamp(56px,8vw,120px);
  --ok:#5BBF6A;       /* afinado / en rango */
  --warn:#E2A33D;     /* cerca */
  --bad:#C7563B;      /* lejos / floppy */
  --maxw:1100px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Archivo',-apple-system,BlinkMacSystemFont,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:#0B0A09}
a{color:var(--accent)}

/* grano global sutil, igual que el home */
body::before{
  content:"";
  position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.045;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:160px 160px;
}

/* ── Foco accesible (el home usa style-hover que no cubre teclado) ── */
:focus-visible{outline:2px solid var(--accent); outline-offset:2px}
:focus:not(:focus-visible){outline:none}

/* ── Tipografía ── */
h1,h2,h3{font-family:'Bebas Neue',sans-serif; font-weight:400; margin:0; line-height:.9; letter-spacing:.012em}
h1{font-size:clamp(46px,8vw,88px)}
h2{font-size:clamp(34px,5vw,56px)}
h3{font-size:clamp(24px,3vw,34px)}
p{line-height:1.65; color:var(--muted); text-wrap:pretty}
.mono{font-family:'Space Mono',monospace}

/* ── Layout ── */
.t-main{position:relative; z-index:1; flex:1 0 auto; width:100%}
/* OJO: longhands a propósito. Con shorthand `padding`, .t-section (después) le
   borraba el padding lateral a .t-wrap cuando van en el mismo elemento
   (<section class="t-section t-wrap">) y el contenido tocaba el borde en móvil. */
.t-wrap{max-width:var(--maxw); margin:0 auto; padding-left:clamp(18px,5vw,48px); padding-right:clamp(18px,5vw,48px)}
.t-section{padding-top:clamp(40px,6vw,72px); padding-bottom:clamp(40px,6vw,72px)}

/* eyebrow: línea dorada + label mono (patrón del home) */
.eyebrow{display:flex; align-items:center; gap:14px; margin-bottom:18px; flex-wrap:wrap}
.eyebrow::before{content:""; width:34px; height:1px; background:var(--accent); flex:none}
.eyebrow span{font-family:'Space Mono',monospace; font-size:12px; letter-spacing:.2em; text-transform:uppercase; color:var(--accent)}

/* ── Header ── */
.t-header{
  position:sticky; top:0; z-index:40;
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom:1px solid var(--line);
}
.t-nav{
  max-width:var(--maxw); margin:0 auto;
  padding:14px clamp(18px,5vw,48px);
  display:flex; align-items:center; gap:16px; flex-wrap:wrap;
}
.t-brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ink); margin-right:auto}
.t-brand img{width:28px; height:28px; object-fit:contain; filter:drop-shadow(0 0 12px rgba(226,163,61,.4))}
.t-brand span{font-family:'Bebas Neue',sans-serif; font-size:23px; letter-spacing:.12em; line-height:1}
.t-crumbs{font-size:13px; letter-spacing:.01em; color:var(--muted)}
.t-crumbs a{color:var(--muted); text-decoration:none}
.t-crumbs a:hover{color:var(--ink)}
.t-crumbs [aria-current]{color:var(--accent)}
.t-cta{
  text-decoration:none; font-family:'Space Mono',monospace; font-size:12px;
  letter-spacing:.04em; text-transform:uppercase; padding:9px 17px;
  background:var(--accent); color:#0B0A09; font-weight:700; border-radius:var(--radius);
  display:inline-flex; align-items:center; min-height:44px; /* tap target mínimo */
}
.t-cta:hover{background:var(--accent2)}
.t-back{display:inline-flex; align-items:center; gap:8px; font-family:'Space Mono',monospace; font-size:12.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted); text-decoration:none; margin-bottom:20px}
.t-back:hover{color:var(--accent)}

/* ── Footer ── */
.t-footer{
  position:relative; z-index:1; flex:none;
  background:var(--bg2); border-top:1px solid var(--line);
  margin-top:clamp(48px,7vw,90px);
  padding:clamp(36px,5vw,56px) clamp(18px,5vw,48px) 36px;
}
.t-footer .inner{max-width:var(--maxw); margin:0 auto; display:flex; gap:14px 28px; flex-wrap:wrap; align-items:center}
.t-footer a{color:var(--muted); text-decoration:none; font-size:14px}
.t-footer a:hover{color:var(--accent)}
.t-footer .sep{color:var(--faint)}
.t-footer .back{margin-left:auto; font-family:'Space Mono',monospace; font-size:12px; letter-spacing:.04em; text-transform:uppercase}

/* ── Cards ── */
.t-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:16px}
.t-card{
  display:flex; flex-direction:column;
  padding:clamp(22px,3vw,34px);
  border:var(--card-border); border-radius:var(--radius);
  background:var(--card-bg);
  transition:transform .35s ease, border-color .35s ease;
}
a.t-card{text-decoration:none; color:inherit}
a.t-card:hover{transform:translateY(-6px); border-color:var(--accent)}
.t-card h3{margin-bottom:10px}
.t-card p{margin:0; font-size:14.5px; line-height:1.58}
.t-card .kicker{font-family:'Space Mono',monospace; font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); margin-bottom:14px}
.t-card .more{margin-top:auto; padding-top:16px; font-family:'Space Mono',monospace; font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--accent)}

/* panel: contenedor de la herramienta en sí */
.t-panel{
  border:var(--card-border); border-radius:var(--radius);
  background:color-mix(in srgb, var(--bg) 40%, #14110d);
  padding:clamp(22px,4vw,40px);
}

/* ── Botones ── */
.t-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:'Space Mono',monospace; font-size:13px; letter-spacing:.04em;
  text-transform:uppercase; padding:14px 24px; border:1px solid var(--accent);
  background:var(--accent); color:#0B0A09; font-weight:700;
  border-radius:var(--radius); cursor:pointer; text-decoration:none;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
  touch-action:manipulation;
}
.t-btn:hover{background:var(--accent2); border-color:var(--accent2)}
.t-btn:disabled{opacity:.45; cursor:not-allowed}
.t-btn--ghost{background:transparent; color:var(--ink); border:1px solid var(--line)}
.t-btn--ghost:hover{background:transparent; border-color:var(--accent); color:var(--ink)}
.t-btn--lg{font-size:15px; padding:18px 30px}
.t-btn--block{display:flex; width:100%}

/* botón de preset: dorado con letra negra, compacto (metrónomo, calibre…) */
.t-preset{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:'Space Mono',monospace; font-size:12.5px; letter-spacing:.03em;
  text-transform:uppercase; padding:10px 15px; border:1px solid var(--accent);
  background:var(--accent); color:#0B0A09; font-weight:700; min-height:44px;
  border-radius:var(--radius); cursor:pointer; touch-action:manipulation;
  transition:background .2s ease, border-color .2s ease, transform .08s ease;
}
.t-preset:hover{background:var(--accent2); border-color:var(--accent2)}
.t-preset:active{transform:translateY(1px)}

/* botón "tap" grande */
.t-tap{
  width:100%; min-height:120px; font-family:'Bebas Neue',sans-serif; font-size:40px;
  letter-spacing:.06em; border:1px solid var(--accent); background:transparent;
  color:var(--ink); cursor:pointer; border-radius:var(--radius);
  transition:background .08s ease, transform .08s ease; touch-action:manipulation;
}
.t-tap:active, .t-tap.is-active{background:rgba(226,163,61,.16); transform:scale(.99)}

/* ── Controles de formulario ── */
label{display:block; font-family:'Space Mono',monospace; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:8px}
.field{margin-bottom:20px}
input[type=number], select, input[type=text]{
  width:100%; font-family:'Space Mono',monospace; font-size:16px;
  padding:12px 14px; color:var(--ink); background:#14110d;
  border:1px solid var(--line); border-radius:var(--radius); appearance:none;
}
input[type=number]:focus, select:focus, input[type=text]:focus{border-color:var(--accent)}
select{cursor:pointer; background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%); background-position:calc(100% - 18px) center,calc(100% - 12px) center; background-size:6px 6px,6px 6px; background-repeat:no-repeat; padding-right:36px}

/* range slider dorado */
input[type=range]{
  -webkit-appearance:none; appearance:none; width:100%; height:4px;
  background:var(--line); border-radius:3px; cursor:pointer; touch-action:manipulation;
}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none; appearance:none; width:22px; height:22px; border-radius:50%; background:var(--accent); border:0; box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent)}
input[type=range]::-moz-range-thumb{width:22px; height:22px; border:0; border-radius:50%; background:var(--accent)}

fieldset{border:0; padding:0; margin:0}
legend{font-family:'Space Mono',monospace; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; padding:0}

/* chips / radio-grid (presets, afinaciones) */
.chips{display:flex; flex-wrap:wrap; gap:8px}
.chip{position:relative}
.chip input{position:absolute; opacity:0; width:0; height:0}
.chip span{
  display:inline-flex; align-items:center; gap:8px; cursor:pointer;
  font-family:'Space Mono',monospace; font-size:12.5px; letter-spacing:.03em;
  padding:9px 14px; border:1px solid var(--line); border-radius:var(--radius);
  color:var(--muted); transition:border-color .2s ease, color .2s ease, background .2s ease;
  user-select:none; min-height:44px; /* tap target: chips = control principal del afinador */
}
.chip span:hover{color:var(--ink)}
.chip input:checked + span{border-color:var(--accent); color:var(--ink); background:rgba(226,163,61,.10)}
.chip input:focus-visible + span{outline:2px solid var(--accent); outline-offset:2px}

/* ── Readouts (números grandes mono/bebas) ── */
.readout{font-family:'Bebas Neue',sans-serif; line-height:.9; letter-spacing:.02em}
.readout--xl{font-size:clamp(80px,18vw,180px)}
.readout--lg{font-size:clamp(56px,12vw,110px)}
.tnum{font-variant-numeric:tabular-nums; font-feature-settings:"tnum"}

/* ── Tablas (afinaciones, delay, calibre) ── */
.t-table{width:100%; border-collapse:collapse; font-size:14px}
.t-table th, .t-table td{text-align:left; padding:11px 12px; border-bottom:1px solid var(--line)}
.t-table th{font-family:'Space Mono',monospace; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--faint); font-weight:400}
.t-table td.num{font-family:'Space Mono',monospace; font-variant-numeric:tabular-nums; color:var(--ink)}
.t-table tr:hover, .t-table tbody tr:hover{background:rgba(243,238,231,.02)}
.t-scroll{overflow-x:auto; -webkit-overflow-scrolling:touch}

/* notas/avisos */
.note{font-size:13px; line-height:1.55; color:var(--faint); margin-top:14px}
.note strong{color:var(--muted); font-weight:600}
/* "tecla" para resaltar atajos de teclado */
.kbd{font-family:'Space Mono',monospace; font-size:12px; color:var(--ink);
  border:1px solid var(--line); border-bottom-width:2px; border-radius:3px;
  padding:2px 7px; background:rgba(243,238,231,.05); white-space:nowrap}
.banner{border:1px solid var(--line); border-left:3px solid var(--accent); padding:14px 16px; margin:18px 0; font-size:14px; color:var(--muted); background:rgba(226,163,61,.05)}
.banner--bad{border-left-color:var(--bad)}

/* color helpers para estados */
.is-ok{color:var(--ok)}
.is-warn{color:var(--warn)}
.is-bad{color:var(--bad)}

.lead{font-size:clamp(16px,1.6vw,18px); max-width:60ch}

/* ── Responsive ── */
@media (max-width:820px){
  .t-crumbs{display:none}
  .two-col{grid-template-columns:1fr !important}
}

/* móvil: hub en 2 tarjetas por fila + tablas que respiran/scrollean limpio */
@media (max-width:560px){
  /* el hub deja de ser lista: cuadros clicables uno al lado del otro */
  .t-grid{grid-template-columns:1fr 1fr; gap:12px}
  .t-card{padding:18px 15px}
  .t-card h3{font-size:21px; margin-bottom:8px}
  .t-card p{font-size:12.5px; line-height:1.45}
  .t-card .kicker{font-size:9.5px; letter-spacing:.12em; margin-bottom:9px}
  .t-card .more{font-size:11px; padding-top:12px}
  /* tablas: encabezados sin truncar; las anchas hacen scroll horizontal en .t-scroll */
  .t-table{font-size:13px}
  .t-table th, .t-table td{padding:9px 10px}
  .t-table th{font-size:10px; letter-spacing:.04em; white-space:nowrap}
  /* pista visual de que la tabla se desliza — la capa `local` (viaja con el
     contenido) tapa la sombra `scroll` cuando ya llegaste al final */
  .t-scroll{
    background:
      linear-gradient(270deg, var(--bg) 0, rgba(11,10,9,0) 38px) right/54px 100% no-repeat local,
      linear-gradient(270deg, rgba(226,163,61,.10), transparent 38px) right/100% 100% no-repeat scroll;
  }
}

/* ── Motion reducido ── */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important}
}