/* ===========================================================================
   IA-OPOSDEP · Capa visual (minimalista, sobria, identidad UPO)
   Mobile-first. No cambia lógica, ítems ni persistencia.
   =========================================================================== */
:root {
  --accent: #00693C;          /* verde institucional UPO */
  --accent-strong: #00522f;
  --accent-soft: #e9f2ec;
  --bg: #fafafa;
  --card: #ffffff;
  --ink: #222222;
  --muted: #5c5c5c;
  --line: #e4e6e4;
  --info-bg: #f5f5f5;
  --info-ink: #555555;
  --warn: #7a5a1e;            /* aviso sobrio (ámbar apagado), no rojo estridente */
  --warn-bg: #fbf6ea;
  --warn-line: #e7d9bb;
  --radio: 12px;
  --barra-h: 54px;
  --lectura: 720px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Inter", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.5;
}

.wrap {
  max-width: var(--lectura);
  margin: 0 auto;
  padding: 20px 16px 72px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 22px 18px;
}

.hidden { display: none !important; }
.center { text-align: center; }
.muted { color: var(--muted); font-size: 0.92rem; }

h1, h2, h3 { font-family: Georgia, "Times New Roman", "Iowan Old Style", serif; }
h1 { font-size: 1.5rem; line-height: 1.25; margin: 0 0 16px; color: var(--ink); font-weight: 600; }
h2 { font-size: 1.1rem; margin: 20px 0 6px; color: var(--ink); font-weight: 600; }
h3 { font-size: 0.98rem; margin: 14px 0 8px; }
p { margin: 0 0 12px; }
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.eyebrow {
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 8px;
}

/* Foco visible accesible en todos los controles */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, legend:focus-visible, .opcion:focus-within, .escala-opcion:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

/* ---------- Cabecera institucional ---------- */
.marca { text-align: center; padding: 8px 0 16px; }
.logo { height: 56px; width: auto; margin: 0 auto 8px; display: block; }
.marca-sub { font-size: 0.8rem; color: var(--muted); margin: 0; }

/* ---------- Barra de progreso (fija arriba) ---------- */
.progreso {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(250, 250, 250, 0.94);
  backdrop-filter: saturate(1.1) blur(4px);
  border-bottom: 1px solid var(--line);
}
.progreso-inner { max-width: var(--lectura); margin: 0 auto; padding: 9px 16px; }
.progreso-track {
  height: 6px;
  background: var(--accent-soft);
  border-radius: 99px;
  overflow: hidden;
}
.progreso-fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 99px;
  transition: width 0.3s ease;
}
.progreso-texto {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 5px;
}

/* ---------- Bloque informativo (consentimiento) ---------- */
.info-consent {
  background: var(--info-bg);
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 14px 16px 8px;
  margin: 6px 0 18px;
  font-size: 0.875rem;   /* ~14px: informa sin abrumar */
  line-height: 1.55;
  color: var(--info-ink);
}
.info-consent h2 { font-size: 0.95rem; margin: 14px 0 4px; color: #3f3f3f; }
.info-consent h2:first-child { margin-top: 4px; }
.info-consent a { color: var(--accent); }

.enlace-mas {
  display: inline-block;
  background: none;
  border: none;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 0;
  margin-top: 4px;
  text-decoration: underline;
}

/* ---------- Casilla de consentimiento ---------- */
.consent-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radio);
  margin: 0 0 16px;
  cursor: pointer;
}
.consent-box input { margin-top: 2px; width: 22px; height: 22px; flex: 0 0 auto; accent-color: var(--accent); }

/* ---------- Botones ---------- */
.btn-primary, .btn-ghost {
  font: inherit;
  font-weight: 600;
  border-radius: 10px;
  padding: 14px 20px;
  cursor: pointer;
  width: 100%;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-primary:hover:not(:disabled) { background: var(--accent-strong); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-ghost { background: #fff; color: var(--accent); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- Bloques y preguntas ---------- */
.bloque { border: none; padding: 0; margin: 0; min-width: 0; }
.bloque legend {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  color: var(--accent);
  font-size: 1.15rem;
  padding: 0;
  margin-bottom: 4px;
}
.bloque legend:focus { outline: none; }
.bloque-desc { color: var(--muted); font-size: 0.9rem; margin: 0 0 10px; }

.likert-leyenda {
  position: sticky;
  top: var(--barra-h);
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 8px;
  margin: 6px 0 8px;
}

.pregunta {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--barra-h) + 12px);
}
.pregunta:last-child { border-bottom: none; }
.pregunta-label { margin: 0 0 12px; font-weight: 500; }
.pregunta-label .num { color: var(--accent); font-weight: 700; margin-right: 4px; }

/* Ítem obligatorio pendiente: aviso sobrio (ámbar), no rojo estridente */
.pregunta.error {
  background: var(--warn-bg);
  border-left: 3px solid var(--warn);
  border-bottom: none;
  border-radius: 6px;
  padding: 16px 14px;
}

/* ---------- Opciones (radio / checkbox) ---------- */
.opciones { display: flex; flex-direction: column; gap: 8px; }
.opcion {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  background: #fff;
}
.opcion:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.opcion input { width: 20px; height: 20px; flex: 0 0 auto; accent-color: var(--accent); }

/* ---------- Escalas Likert / NPS ---------- */
.escala-fila { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.nps-fila { grid-template-columns: repeat(6, 1fr); }
.escala-opcion {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  background: #fff;
}
.escala-opcion:has(input:checked) { border-color: var(--accent); background: var(--accent); color: #fff; }
.escala-opcion input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.escala-num { pointer-events: none; }
.escala-anclas { display: flex; justify-content: space-between; margin-top: 6px; font-size: 0.72rem; color: var(--muted); }

/* ---------- Abiertas ---------- */
.abierta {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  resize: vertical;
}

/* ---------- Avisos (sobrios) ---------- */
.aviso {
  color: var(--warn);
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 16px 0;
  font-weight: 500;
  font-size: 0.92rem;
}
.aviso.ok { color: var(--accent-strong); background: var(--accent-soft); border-color: #bfe0cd; }

/* ---------- Navegación del asistente ---------- */
.nav-pasos { display: flex; gap: 12px; margin-top: 26px; }
.nav-pasos .btn-ghost, .nav-pasos .btn-primary { flex: 1 1 auto; }

/* ---------- Pantalla final ---------- */
#pantalla-gracias { text-align: center; }
#pantalla-gracias .panel-final { text-align: left; }
.check-icon {
  width: 58px; height: 58px;
  margin: 4px auto 14px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 30px;
  display: flex; align-items: center; justify-content: center;
}
.panel-final {
  border: 1px solid var(--line);
  border-radius: var(--radio);
  padding: 16px;
  margin: 18px 0;
  background: #fcfdfc;
}
.panel-final h2 { margin-top: 0; }
.codigo-box {
  background: var(--accent-soft);
  border: 1px dashed var(--accent);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  margin: 10px 0;
}
.codigo-box code { font-size: 1.3rem; font-weight: 700; letter-spacing: 0.06em; color: var(--accent-strong); word-break: break-all; }
.acciones { display: flex; flex-direction: column; gap: 10px; margin: 10px 0; }
.cierre { color: var(--muted); font-size: 0.85rem; margin-top: 18px; }

/* ---------- Formularios sueltos (login, sorteo, borrado) ---------- */
#form-sorteo, #form-login, #form-borrar { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
input[type="email"], input[type="password"], input[type="text"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  font: inherit;
}

/* ---------- Panel de administración (sin cambios de estructura) ---------- */
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.panel-head #btn-logout { width: auto; }
.errores { color: var(--warn); background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.sorteo-msg { border-radius: 10px; padding: 12px 14px; margin-top: 10px; font-weight: 500; }
.sorteo-msg.ok { color: var(--accent-strong); background: var(--accent-soft); }
.sorteo-msg.error { color: var(--warn); background: var(--warn-bg); }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 18px 0; }
.stat { background: #fcfdfc; border: 1px solid var(--line); border-radius: var(--radio); padding: 14px; text-align: center; }
.stat-num { display: block; font-size: 1.7rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.78rem; color: var(--muted); }
.dist-item { margin-bottom: 16px; }
.barra-fila { display: grid; grid-template-columns: 1fr; gap: 4px; margin-bottom: 8px; font-size: 0.82rem; }
.barra-label { color: var(--ink); }
.barra-track { background: var(--accent-soft); border-radius: 6px; height: 14px; overflow: hidden; }
.barra-fill { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.barra-val { color: var(--muted); font-variant-numeric: tabular-nums; }

/* ===========================================================================
   Pantallas grandes (≥ 640px)
   =========================================================================== */
@media (min-width: 640px) {
  .wrap { padding: 28px 20px 80px; }
  .card { padding: 30px 34px; }
  h1 { font-size: 1.7rem; }
  .marca { padding: 4px 0 20px; }

  .btn-primary, .btn-ghost { width: auto; }
  .nav-pasos .btn-ghost { flex: 0 0 auto; padding-left: 28px; padding-right: 28px; }
  .nav-pasos .btn-primary { flex: 1 1 auto; }

  #form-sorteo, #form-login, #form-borrar { flex-direction: row; }
  #form-sorteo input, #form-login input, #form-borrar input { flex: 1 1 auto; }
  #form-sorteo button, #form-login button, #form-borrar button { width: auto; }
  .acciones { flex-direction: row; }
  .acciones .btn-ghost { width: auto; }

  .stats { grid-template-columns: repeat(4, 1fr); }
  .barra-fila { grid-template-columns: 240px 1fr 120px; align-items: center; gap: 10px; }
  .barra-val { text-align: right; }
  .barra-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}