:root {
  --bg: #0f1420;
  --card: #171d2b;
  --card-2: #1d2434;
  --border: #2a3244;
  --text: #e8ecf4;
  --muted: #98a2b8;
  --accent: #7c9cff;
  --accent-dark: #5a78e0;
  --danger: #ff6b6b;
  --danger-bg: #2a1a1d;
  --sev-alta: #ff6b6b;
  --sev-media: #f5b942;
  --sev-baja: #5fd0a0;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* Celular / pantallas angostas: todo apilado. Desde 1000px: panel de dos columnas. */
.app { display: block; }
.entrada { padding: 24px 16px 8px; }
.dash { padding: 16px 16px 60px; min-width: 0; }

@media (min-width: 1000px) {
  .app {
    display: grid;
    grid-template-columns: minmax(340px, 400px) minmax(0, 1fr);
    height: 100vh;
  }
  .entrada {
    overflow-y: auto;
    padding: 24px 20px 40px;
    border-right: 1px solid var(--border);
    background: #0b101b;
  }
  .dash { overflow-y: auto; padding: 24px 28px 48px; }
}

header { margin-bottom: 4px; }

.badge {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(124, 156, 255, 0.12);
  border: 1px solid rgba(124, 156, 255, 0.3);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 0; }

.subtitle { color: var(--muted); margin: 0; font-size: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 16px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin: 18px 0 6px;
}
.card > label:first-child,
.grid-3 label { margin-top: 0; }

.hint {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 8px;
}

input[type="text"], textarea, select {
  width: 100%;
  background: #0d1220;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

input[type="text"]:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ---------- Perfil de curso ---------- */
details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
details summary::-webkit-details-marker { display: none; }
details summary::before {
  content: '▸';
  position: absolute;
  margin-left: -18px;
  color: var(--muted);
}
details[open] summary::before { content: '▾'; }
details { padding-left: 18px; }
details[open] summary { margin-bottom: 14px; }

.summary-title { font-weight: 600; font-size: 15px; }
.opcional {
  font-size: 11px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.summary-hint { font-size: 13px; color: var(--muted); }

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.perfil-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}
.perfil-actions .hint { margin: 0; }

/* ---------- Formulario ---------- */
.file-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 16px;
}

input[type="file"] {
  color: var(--muted);
  font-size: 13px;
  max-width: 100%;
}

.file-name { display: none; /* el input nativo ya muestra el nombre */ font-size: 13px; color: var(--muted); overflow-wrap: anywhere; min-width: 0; }

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  font-family: inherit;
}

.conteo { margin: 6px 0 0; min-height: 1.3em; }
.conteo.aviso { color: var(--sev-media); }

/* Selector de columna para planillas */
.planilla {
  margin-top: 16px;
  padding: 14px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.planilla-controles { display: grid; gap: 10px; }
.planilla label { margin: 0 0 6px; }
.planilla .check {
  display: flex; align-items: center; gap: 8px;
  font-weight: 400; font-size: 13px; color: var(--muted);
  margin: 12px 0 10px;
}
.tabla-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
.vista-previa { border-collapse: collapse; width: 100%; font-size: 12px; }
.vista-previa th, .vista-previa td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vista-previa th { background: #0d1220; color: var(--muted); font-weight: 600; }
.vista-previa tr:last-child td { border-bottom: none; }
.vista-previa .col-activa { background: rgba(124, 156, 255, 0.16); color: var(--text); }
.vista-previa th.col-activa { color: var(--accent); }
.planilla .hint { margin: 10px 0 0; }

#btn-analizar {
  margin-top: 22px;
  width: 100%;
  justify-content: center;
  background: var(--accent);
  color: #0d1220;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
#btn-analizar:hover { background: var(--accent-dark); }
#btn-analizar:disabled { opacity: 0.6; cursor: default; }

.secundario {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.secundario:hover { border-color: var(--accent); }
.chico { font-size: 13px; padding: 8px 14px; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(13, 18, 32, 0.3);
  border-top-color: #0d1220;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error {
  background: var(--danger-bg);
  border-color: var(--danger);
  color: var(--danger);
}

/* ---------- Dashboard ---------- */
.vacio {
  max-width: 460px;
  margin: 12vh auto 0;
  text-align: center;
  color: var(--muted);
}
.vacio-icono { font-size: 44px; margin-bottom: 8px; }
.vacio h2 { color: var(--text); margin-bottom: 8px; }
.vacio p { margin: 0; font-size: 14px; }

.dash-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.dash-contexto { color: var(--muted); font-size: 14px; margin: 4px 0 0; }
.dash-actions { display: flex; gap: 8px; }

.kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.kpi {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 12px;
  padding: 14px 16px;
  min-width: 0;
}
.kpi.kpi-alta { border-top-color: var(--sev-alta); }
.kpi.kpi-ok { border-top-color: var(--sev-baja); }
.kpi-ancho { grid-column: 1 / -1; }
.kpi-valor { font-size: 30px; font-weight: 700; line-height: 1.1; }
.kpi-etiqueta { font-size: 13px; color: var(--muted); margin-top: 6px; overflow-wrap: anywhere; }

.fila { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 14px; }
.fila > .card, .fila > .resumen { margin-top: 0; min-width: 0; }

.resumen {
  background: rgba(124, 156, 255, 0.08);
  border: 1px solid rgba(124, 156, 255, 0.25);
  border-radius: var(--radius);
  padding: 18px 20px;
  font-size: 14px;
  white-space: pre-wrap;
}

.seccion { font-size: 15px; margin: 0 0 12px; }
.seccion.fuera { margin: 24px 0 12px; }

/* Donuts (SVG) */
.donut-wrap { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.donut { width: 140px; height: 140px; flex: none; }
.donut circle { fill: none; stroke-width: 5; }
.donut .pista { stroke: #0d1220; }
.donut .seg-alta { stroke: var(--sev-alta); }
.donut .seg-media { stroke: var(--sev-media); }
.donut .seg-baja { stroke: var(--sev-baja); }
.donut .seg-con { stroke: var(--accent); }
.donut .seg-sin { stroke: #3a4560; }
.donut text { fill: var(--text); text-anchor: middle; font-family: inherit; }
.donut .centro-valor { font-size: 9px; font-weight: 700; }
.donut .centro-etq { font-size: 3.2px; fill: var(--muted); }
.donut-leyenda { display: grid; gap: 4px; font-size: 12px; color: var(--muted); width: 100%; }
.donut-leyenda .item { display: flex; align-items: center; gap: 6px; }
.donut-leyenda .item b { margin-left: auto; color: var(--text); font-weight: 600; }
.punto.c-con { background: var(--accent); }
.punto.c-sin { background: #3a4560; }

/* Historial (panel de entrada) */
.hist-item {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--card-2);
}
.hist-item.activo { border-color: var(--accent); }
.hist-item button {
  background: transparent;
  border-radius: 0;
  color: var(--text);
  font-weight: 400;
  padding: 8px 12px;
  text-align: left;
}
.hist-abrir { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.hist-abrir:hover, .hist-borrar:hover { background: rgba(124, 156, 255, 0.1); }
.hist-tema { font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.hist-meta { font-size: 12px; color: var(--muted); }
.hist-borrar { color: var(--muted); font-size: 13px; border-left: 1px solid var(--border) !important; }
.hist-borrar:hover { color: var(--danger); }

/* Evolución del grupo (SVG) */
.evolucion { margin-top: 14px; break-inside: avoid; }
.evo { width: 100%; height: auto; display: block; }
.evo-grilla { stroke: var(--border); stroke-width: 1; }
.evo-linea { stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.evo-punto { fill: var(--card); stroke: var(--accent); stroke-width: 2.5; }
.evo-punto.actual { fill: var(--accent); }
.evo-eje { fill: var(--muted); font-size: 11px; font-family: inherit; }
.evo-valor { fill: var(--text); font-size: 12px; font-weight: 600; font-family: inherit; }

/* Selector de varias preguntas */
.multi-columnas { display: grid; gap: 4px; margin: 4px 0 10px; }
.multi-item { margin: 0 !important; }
.multi-resumen { margin-top: 18px; }
.multi-resumen label { margin: 0 0 4px; }
.multi-fila {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; margin-bottom: 6px;
  background: var(--card-2); border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px;
}
.multi-texto { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.multi-n { color: var(--muted); font-size: 12px; white-space: nowrap; }
.multi-n.aviso { color: var(--sev-media); }
.hist-preg { font-size: 12px; color: var(--accent); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Pestañas (varias preguntas) */
.tabs {
  display: flex; gap: 6px; overflow-x: auto;
  padding-bottom: 12px; margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.tab {
  flex: none; padding: 8px 16px; font-size: 14px;
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
}
.tab:hover { border-color: var(--accent); color: var(--text); }
.tab.activa { background: var(--accent); border-color: var(--accent); color: #0d1220; }
.dash-pregunta { margin: 6px 0 0; font-size: 14px; max-width: 80ch; }
.dash-pregunta:empty { display: none; }
.dash-head { margin-top: 4px; }

/* Vista consolidada */
.barra-accent { background: var(--accent); }
.enlace {
  background: none; border: none; padding: 0; text-align: left;
  color: var(--text); font: inherit; font-size: 13px; font-weight: 400; cursor: pointer;
}
.enlace:hover { color: var(--accent); text-decoration: underline; }
.tabla-res { border-collapse: collapse; width: 100%; font-size: 13px; }
.tabla-res th, .tabla-res td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.tabla-res th { color: var(--muted); font-weight: 600; font-size: 12px; white-space: nowrap; }
.tabla-res tr:last-child td { border-bottom: none; }
.tabla-res .celda-p { color: var(--accent); font-weight: 600; white-space: nowrap; }
.tabla-res .celda-pregunta { min-width: 160px; }

/* Comparación entre grupos */
.btn-bloque { width: 100%; margin-bottom: 8px; }
.uso { margin: 24px 0 0; font-size: 12px; color: var(--muted); }
.uso:empty { display: none; }
.pila { display: flex; }
.pila .barra-relleno { border-radius: 0; flex: none; }
.th-sub { display: block; font-weight: 400; font-size: 11px; color: var(--muted); }
.tabla-comp .celda-error { min-width: 180px; font-weight: 600; }
.tabla-comp .celda-centro { text-align: center; white-space: nowrap; }
.tabla-comp .vacia { color: var(--muted); }
.tabla-comp .celda-pres { color: var(--muted); white-space: nowrap; font-size: 12px; }
.tabla-comp .punto { margin-right: 2px; }
.comp-controles label { margin-top: 12px; }
.comp-controles label:first-child { margin-top: 0; }

/* Lista de tarjetas en grilla */
.lista-mc { display: grid; grid-template-columns: 1fr; gap: 14px; }
.lista-mc > .hint { grid-column: 1 / -1; }

/* Gráfico de barras */
.barra-fila {
  display: grid;
  grid-template-columns: minmax(120px, 28%) 1fr 90px;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.barra-nombre { font-size: 13px; }
.barra-pista {
  background: #0d1220;
  border-radius: 6px;
  height: 14px;
  overflow: hidden;
}
.barra-relleno { height: 100%; border-radius: 6px; }
.barra-valor { font-size: 13px; color: var(--muted); text-align: right; }

.sev-alta { background: var(--sev-alta); }
.sev-media { background: var(--sev-media); }
.sev-baja { background: var(--sev-baja); }

.leyenda { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.leyenda-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.punto { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* Tarjetas de errores */
.misconception {
  background: var(--card);
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 10px;
  padding: 18px 20px;
  break-inside: avoid;
  min-width: 0;
}
.borde-alta { border-left-color: var(--sev-alta); }
.borde-media { border-left-color: var(--sev-media); }
.borde-baja { border-left-color: var(--sev-baja); }

.mc-cabecera {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.mc-titulo { margin: 0 0 4px; font-size: 17px; color: var(--accent); }

.pill {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid var(--border);
}
.pill-alta { color: var(--sev-alta); border-color: var(--sev-alta); }
.pill-media { color: var(--sev-media); border-color: var(--sev-media); }
.pill-baja { color: var(--sev-baja); border-color: var(--sev-baja); }
.pill-tipo { color: var(--muted); }

.meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.mc-desc { margin: 0 0 12px; font-size: 14px; }

.sugerencia {
  background: var(--card-2);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
}
.sugerencia strong { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 4px; }
.sugerencia p { margin: 0; }

.ejemplos { font-size: 13px; color: var(--muted); font-style: italic; margin-top: 10px; }

/* Alineación curricular */
.curr-item { padding: 12px 0; border-top: 1px solid var(--border); }
.curr-item:first-child { border-top: none; padding-top: 0; }
.curr-cab { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.curr-error { font-weight: 600; font-size: 14px; }
.curr-ref { margin: 6px 0 2px; font-size: 14px; }
.curr-rel { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- Responsive ---------- */
/* Tablet: más columnas en grillas */
@media (min-width: 640px) {
  .kpis { grid-template-columns: repeat(4, 1fr); }
  .kpi-ancho { grid-column: span 2; }
  .kpi-ancho.kpi-ancho-3 { grid-column: 1 / -1; }
  .lista-mc { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
  .donut-wrap { flex-direction: row; justify-content: center; }
  .donut-leyenda { width: auto; }
}

/* Pantalla ancha: el panel completo en horizontal */
@media (min-width: 1000px) {
  .kpis { grid-template-columns: repeat(6, 1fr); margin-top: 18px; }
  .kpi-ancho { grid-column: span 2; }
  .kpi-ancho.kpi-ancho-3 { grid-column: span 3; }
  .fila-resumen { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); }
  .donut-wrap { flex-direction: column; }
  .donut-leyenda { width: 100%; }
  .fila-graficos { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
  .lista-mc { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
}

/* Celular */
@media (max-width: 639px) {
  .barra-fila { grid-template-columns: 1fr auto; }
  .barra-valor { white-space: nowrap; }
  #kpis-consolidado .kpi:nth-child(3), #comp-kpis .kpi:nth-child(3) { grid-column: 1 / -1; }
  .barra-fila .barra-pista { grid-column: 1 / -1; order: 3; }
  .dash-actions { width: 100%; }
  .dash-actions button { flex: 1; }
  .mc-cabecera { flex-direction: column; gap: 6px; }
}

/* ---------- Impresión / PDF ---------- */
@page { size: A4; margin: 16mm 14mm; }

@media print {
  :root {
    --bg: #ffffff; --card: #ffffff; --card-2: #f3f5fa; --border: #cfd5e3;
    --text: #111827; --muted: #4b5563; --accent: #2a4bc4;
  }
  html, body { background: #fff; font-size: 12px; }
  .no-print, .entrada, .vacio, #log-test { display: none !important; }
  .app { display: block; height: auto; }
  .dash { overflow: visible; padding: 0; }
  h2 { font-size: 20px; }

  .kpis { grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 12px; }
  .kpi { padding: 10px 12px; }
  .kpi-valor { font-size: 24px; }

  /* Resumen a todo el ancho; los dos donuts debajo, lado a lado */
  .fila-resumen { grid-template-columns: 1fr 1fr; gap: 10px; }
  .fila-resumen > .resumen { grid-column: 1 / -1; padding: 12px 14px; }
  .donut-wrap { flex-direction: row; justify-content: center; }
  .donut { width: 110px; height: 110px; }
  .donut-leyenda { width: auto; min-width: 120px; }

  /* Gráficos y curricular en una columna, sin cortarse entre páginas */
  .fila-graficos { grid-template-columns: 1fr; gap: 10px; }
  .card { padding: 14px 16px; break-inside: avoid; }
  .curr-item { break-inside: avoid; }

  .seccion.fuera { break-after: avoid; margin: 18px 0 10px; }
  .lista-mc { grid-template-columns: 1fr 1fr; gap: 10px; }
  .misconception { break-inside: avoid; padding: 12px 14px; }

  .kpi-ancho.kpi-ancho-3 { grid-column: span 3; }
  .tabla-res th, .tabla-res td { padding: 5px 8px; }
  .barra-pista, .donut .pista { background: #e5e7eb; stroke: #e5e7eb; }
  .donut text { fill: #111827; }
  .evo-valor { fill: #111827; }
  .evo-punto { fill: #fff; }
  .evo-punto.actual { fill: var(--accent); }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}