/* ===========================================================================
   ENCUESTA DOCENTES · estilos
   Reutiliza los tokens de marca de la home (index.html): mismos colores,
   mismas tipografías. Todo lo demás es propio del formulario.
   =========================================================================== */

:root {
  --bg: #070919;
  --ink: #0a0c24;
  --paper: #ffffff;
  --muted: #5b6076;
  --line: #e9eaf3;
  --accent: #7c5cff;
  --accent2: #22d3ee;
  --soft: #f6f6fc;

  --card: #ffffff;
  --card-hover: #fbfaff;
  --sel-bg: rgba(124, 92, 255, .07);
  --danger: #c02c47;
  --danger-bg: #fdf1f3;
  --ok: #0f9d76;
  --radio: #c7c9dd;
  --shadow: 0 1px 2px rgba(16, 18, 60, .04), 0 8px 24px rgba(16, 18, 60, .05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0b0d1e;
    --ink: #eef0fb;
    --muted: #a2a7c4;
    --line: #23263f;
    --soft: #12142a;
    --card: #12142a;
    --card-hover: #171a33;
    --sel-bg: rgba(124, 92, 255, .16);
    --danger: #ff8fa3;
    --danger-bg: #2a1420;
    --ok: #4fd6ae;
    --radio: #444862;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .logo { font-family: 'Space Grotesk', system-ui, sans-serif; letter-spacing: -.02em; line-height: 1.15; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* Foco visible SIEMPRE — se navega mucho con teclado en formularios largos */
:focus-visible {
  outline: 3px solid var(--accent2);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap { max-width: 780px; margin: 0 auto; padding: 0 20px; }

/* ---------------------------------------------------------------- cabecera */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-in {
  max-width: 780px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; }
.logo .dot { width: 18px; height: 18px; position: relative; display: inline-block; flex: 0 0 18px; }
.logo .dot::before { content: ""; position: absolute; inset: 0; border: 2px solid var(--accent2); border-radius: 50%; transform: rotate(60deg) scaleX(.5); }
.logo .dot::after { content: ""; position: absolute; top: -1px; left: 7px; width: 5px; height: 5px; background: var(--accent); border-radius: 50%; }

.estado-guardado { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; min-height: 20px; }
.estado-guardado::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.estado-guardado[data-estado="guardando"]::before { background: var(--accent2); }
.estado-guardado[data-estado="error"]::before { background: var(--danger); }
.estado-guardado[data-estado="oculto"] { visibility: hidden; }

/* ---------------------------------------------------------------- progreso */
.progreso { max-width: 780px; margin: 0 auto; padding: 0 20px 12px; }
.progreso-barra { height: 6px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progreso-relleno {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 999px;
  transition: width .45s cubic-bezier(.2, .7, .2, 1);
}
.progreso-txt { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted); margin-top: 7px; letter-spacing: .01em; }

/* ------------------------------------------------------------------ layout */
main { padding: clamp(28px, 6vw, 56px) 0 140px; }

.paso-cabecera { margin-bottom: 30px; }
.paso-icono {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  background: var(--sel-bg); color: var(--accent); font-size: 19px; margin-bottom: 14px;
}
.paso-cabecera h2 { font-size: clamp(24px, 5vw, 32px); font-weight: 700; }
.paso-intro {
  color: var(--muted); font-size: 16px; margin-top: 12px;
  border-left: 3px solid var(--accent2); padding-left: 14px;
}

/* ---------------------------------------------------------------- pregunta */
.pregunta { margin-bottom: 38px; border: 0; padding: 0; min-width: 0; }
.pregunta legend, .pregunta .enunciado {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: clamp(17px, 3.2vw, 20px); font-weight: 600; line-height: 1.35;
  padding: 0; margin-bottom: 6px; display: block; color: var(--ink);
}
.pregunta .ayuda { color: var(--muted); font-size: 14.5px; margin-bottom: 14px; display: block; }
.etiqueta-opcional { font-size: 12px; font-weight: 500; color: var(--muted); background: var(--soft); border: 1px solid var(--line); padding: 2px 8px; border-radius: 999px; margin-left: 8px; vertical-align: middle; letter-spacing: .01em; }

/* Opciones tipo tarjeta (checkbox / radio reales por debajo) */
.opciones { display: grid; gap: 10px; margin-top: 12px; }
.opciones.cols-2 { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .opciones.cols-2 { grid-template-columns: 1fr; } }

.opcion {
  position: relative; display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 13px;
  background: var(--card); cursor: pointer;
  transition: border-color .16s ease, background .16s ease, transform .12s ease;
}
.opcion:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--card-hover); }
.opcion:active { transform: scale(.995); }
.opcion input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opcion .marca {
  flex: 0 0 21px; width: 21px; height: 21px; border: 2px solid var(--radio);
  border-radius: 6px; margin-top: 1px; display: grid; place-items: center;
  transition: border-color .16s, background .16s;
}
.opcion[data-tipo="radio"] .marca { border-radius: 50%; }
.opcion .marca::after {
  content: ""; width: 10px; height: 10px; border-radius: 3px; background: #fff;
  transform: scale(0); transition: transform .16s cubic-bezier(.3, 1.4, .5, 1);
}
.opcion[data-tipo="radio"] .marca::after { border-radius: 50%; width: 9px; height: 9px; }
.opcion .txt { font-size: 15.5px; }
/* Estado marcado: se usan las dos vías (`:has()` y una clase que pone el JS)
   para que funcione también en navegadores viejos de centro educativo. */
.opcion:has(input:checked), .opcion.sel { border-color: var(--accent); background: var(--sel-bg); }
.opcion:has(input:checked) .marca, .opcion.sel .marca { border-color: var(--accent); background: var(--accent); }
.opcion:has(input:checked) .marca::after, .opcion.sel .marca::after { transform: scale(1); }
.opcion:has(input:focus-visible) { outline: 3px solid var(--accent2); outline-offset: 2px; }
.opcion:has(input:disabled), .opcion.no-disponible { opacity: .45; cursor: not-allowed; }

/* Agrupación por categoría en listas largas */
.grupo-cat { margin-top: 22px; }
.grupo-cat:first-of-type { margin-top: 8px; }
.grupo-cat-tit {
  font-size: 12.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--accent); display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.grupo-cat-tit::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* Campo "Otra" y detalle */
.campo-extra { margin-top: 10px; }
input[type="text"], input[type="email"], textarea, select {
  width: 100%; font: inherit; font-size: 15.5px; color: var(--ink);
  background: var(--card); border: 1.5px solid var(--line); border-radius: 12px;
  padding: 13px 15px; transition: border-color .16s, box-shadow .16s;
}
input::placeholder, textarea::placeholder { color: color-mix(in srgb, var(--muted) 75%, transparent); }
input:hover, textarea:hover, select:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 15%, transparent);
}
textarea { resize: vertical; min-height: 92px; line-height: 1.55; }
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) center, calc(100% - 14px) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 44px;
}
.contador-campo { font-size: 12.5px; color: var(--muted); text-align: right; margin-top: 5px; }

/* -------------------------------------------------------------- matriz 5x */
.matriz { display: grid; gap: 10px; margin-top: 12px; }
.matriz-fila {
  border: 1.5px solid var(--line); border-radius: 13px; background: var(--card);
  padding: 13px 15px; transition: border-color .16s;
}
.matriz-fila[data-respondida="1"] { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); background: var(--card-hover); }
.matriz-fila .fila-tit { font-size: 15px; font-weight: 500; margin-bottom: 10px; }
.escala { display: flex; flex-wrap: wrap; gap: 6px; }
.escala label {
  flex: 1 1 auto; min-width: 68px; position: relative; cursor: pointer;
  border: 1.5px solid var(--line); border-radius: 9px; padding: 7px 6px;
  text-align: center; font-size: 12.5px; line-height: 1.25; color: var(--muted);
  transition: all .14s ease; background: var(--paper);
}
.escala label:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); color: var(--ink); }
.escala input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.escala label:has(input:checked), .escala label.sel { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.escala label:has(input:focus-visible) { outline: 3px solid var(--accent2); outline-offset: 2px; }

/* ------------------------------------------------------- tarjetas función */
.funciones { display: grid; gap: 12px; margin-top: 14px; }
.fcard {
  border: 1.5px solid var(--line); border-radius: 15px; background: var(--card);
  padding: 16px 17px; transition: border-color .16s, box-shadow .16s;
}
.fcard[data-valorada="1"] { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); box-shadow: var(--shadow); }
.fcard-top { display: flex; align-items: baseline; gap: 9px; flex-wrap: wrap; }
.fcard-cat {
  font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); background: var(--sel-bg); padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.fcard h3 { font-size: 17px; font-weight: 600; }
.fcard .fdesc { font-size: 14.5px; color: var(--muted); margin-top: 4px; }
.fcard .fej {
  font-size: 13.5px; color: var(--muted); margin-top: 9px; padding: 9px 12px;
  background: var(--soft); border-radius: 9px; border-left: 2px solid var(--accent2);
}
.fcard .escala { margin-top: 13px; }
.contador-valoradas { font-size: 13px; color: var(--muted); margin-top: 12px; text-align: right; }

/* ------------------------------------------------------------ selección top */
.aviso-limite {
  display: none; align-items: center; gap: 8px; margin-top: 12px;
  font-size: 14px; color: var(--accent); background: var(--sel-bg);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 10px; padding: 10px 13px;
}
.aviso-limite[data-visible="1"] { display: flex; }
.contador-top { font-size: 13px; font-weight: 600; color: var(--accent); margin-top: 10px; }

/* --------------------------------------------------------------- errores */
.pregunta[data-error="1"] .opciones,
.pregunta[data-error="1"] .matriz,
.pregunta[data-error="1"] textarea,
.pregunta[data-error="1"] input[type="text"],
.pregunta[data-error="1"] input[type="email"],
.pregunta[data-error="1"] select {
  border-color: var(--danger);
}
.pregunta[data-error="1"] .opciones { border: 0; }
.pregunta[data-error="1"] { border-left: 3px solid var(--danger); padding-left: 14px; margin-left: -17px; }
.msg-error {
  display: none; font-size: 14px; color: var(--danger); background: var(--danger-bg);
  border-radius: 9px; padding: 9px 13px; margin-top: 10px;
}
.msg-error[data-visible="1"] { display: block; }

.resumen-errores {
  display: none; border: 1.5px solid var(--danger); background: var(--danger-bg);
  color: var(--danger); border-radius: 13px; padding: 14px 16px; margin-bottom: 24px; font-size: 15px;
}
.resumen-errores[data-visible="1"] { display: block; }

/* ------------------------------------------------------------------ notas */
.nota-datos {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.5px; color: var(--muted); background: var(--soft);
  border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; margin-bottom: 26px;
}
.nota-datos::before { content: "🔒"; font-size: 14px; line-height: 1.4; }

/* --------------------------------------------------------------- botonera */
.botonera {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 25;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px); border-top: 1px solid var(--line);
  padding: 13px 0 max(13px, env(safe-area-inset-bottom));
}
.botonera-in {
  max-width: 780px; margin: 0 auto; padding: 0 20px;
  display: flex; gap: 12px; align-items: center;
}
.btn {
  font: inherit; font-weight: 600; font-size: 16px; border: 0; cursor: pointer;
  padding: 15px 28px; border-radius: 999px; transition: transform .12s ease, box-shadow .2s ease, background .2s;
  background: var(--accent); color: #fff; box-shadow: 0 6px 20px rgba(124, 92, 255, .32);
}
.btn:hover:not(:disabled) { box-shadow: 0 10px 28px rgba(124, 92, 255, .45); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; box-shadow: none; }
.btn.sec { background: transparent; color: var(--ink); border: 1.5px solid var(--line); box-shadow: none; }
.btn.sec:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn.ancho { flex: 1; }
@media (max-width: 520px) { .btn { padding: 15px 20px; font-size: 15.5px; } }

/* ------------------------------------------------------------- portada/fin */
.portada, .fin { padding: clamp(30px, 8vw, 70px) 0 60px; }
.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; color: var(--accent2); border: 1px solid color-mix(in srgb, var(--accent2) 40%, transparent);
  padding: 6px 13px; border-radius: 999px; margin-bottom: 20px;
  background: color-mix(in srgb, var(--accent2) 8%, transparent);
}
.portada h1 { font-size: clamp(28px, 6vw, 44px); font-weight: 700; margin-bottom: 22px; }
.portada p, .fin p { color: var(--muted); font-size: clamp(15.5px, 2.4vw, 17px); margin-bottom: 15px; }
.portada .meta {
  display: flex; gap: 10px 22px; flex-wrap: wrap; margin: 26px 0;
  font-size: 14.5px; color: var(--muted);
}
.portada .meta b { color: var(--ink); font-family: 'Space Grotesk', sans-serif; }
.aviso-legal {
  font-size: 13.5px; color: var(--muted); background: var(--soft);
  border: 1px solid var(--line); border-radius: 13px; padding: 15px 17px; margin: 26px 0;
}
.aviso-legal p + p { margin-top: 8px; }
.portada .acciones { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
@media (max-width: 520px) { .portada .acciones { flex-direction: column; } .portada .acciones .btn { width: 100%; } }

.fin { text-align: center; }
.fin .tic {
  width: 62px; height: 62px; margin: 0 auto 24px; border-radius: 50%;
  background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok);
  display: grid; place-items: center; font-size: 30px;
}
.fin h1 { font-size: clamp(25px, 5vw, 36px); margin-bottom: 18px; }
.fin .confirmacion {
  display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600;
  color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent);
  border-radius: 999px; padding: 8px 16px; margin: 10px 0 26px;
}

/* --------------------------------------------------------------- pie/red */
.pie { border-top: 1px solid var(--line); padding: 26px 0 40px; font-size: 13.5px; color: var(--muted); }
.pie .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

.banda-error {
  background: var(--danger-bg); color: var(--danger); border: 1.5px solid var(--danger);
  border-radius: 13px; padding: 14px 16px; margin-bottom: 22px; font-size: 15px;
  display: none; align-items: center; gap: 14px; flex-wrap: wrap;
}
.banda-error[data-visible="1"] { display: flex; }
.banda-error .btn { padding: 10px 18px; font-size: 14.5px; background: var(--danger); box-shadow: none; }

/* ------------------------------------------------------------ transiciones */
.paso-anim { animation: entra .32s cubic-bezier(.2, .7, .2, 1); }
@keyframes entra { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .paso-anim { animation: none; }
  .progreso-relleno { transition: none; }
  * { scroll-behavior: auto !important; }
}

.oculto { display: none !important; }
.solo-lectores {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}