/* ==========================================================================
   Informes de T.E.S. — hoja de estilos
   Paleta: fondo blanco, acentos en marrón, neutros claros y cálidos.
   ========================================================================== */

:root {
  --marron: #8b5e34;
  --marron-oscuro: #6d4825;
  --marron-claro: #b08757;
  --marron-suave: #f6efe8;
  --marron-borde: #e4d6c7;

  --blanco: #ffffff;
  --crema: #fbf8f5;
  --tinta: #33281f;
  --tinta-suave: #6f6257;
  --tinta-tenue: #9a8d82;
  --borde: #e9e2da;

  --verde: #3f7c54;
  --verde-fondo: #eaf3ed;
  --ambar: #9a6b12;
  --ambar-fondo: #fbf1dd;
  --rojo: #a8392f;
  --rojo-fondo: #fbebe9;

  --radio: 10px;
  --radio-sm: 7px;
  --sombra: 0 1px 2px rgba(51, 40, 31, .06), 0 6px 20px rgba(51, 40, 31, .05);
  --fuente: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--blanco);
  color: var(--tinta);
  font-family: var(--fuente);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--marron); }

/* ============================ Encabezado ============================ */

.barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
}

.marca {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: inherit;
}

.marca__sello {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 9px;
  background: var(--marron);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .4px;
}

.marca__titulo {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -.1px;
  line-height: 1.2;
}

.marca__sub {
  font-size: 12px;
  color: var(--tinta-tenue);
  line-height: 1.2;
}

.barra__acciones {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--tinta-suave);
}

/* ============================ Botones ============================ */

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radio-sm);
  background: var(--marron);
  color: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.boton:hover { background: var(--marron-oscuro); }
.boton:disabled { opacity: .55; cursor: not-allowed; }

.boton--claro {
  background: var(--marron-suave);
  color: var(--marron-oscuro);
  border-color: var(--marron-borde);
}
.boton--claro:hover { background: #efe3d6; }

.boton--borde {
  background: var(--blanco);
  color: var(--tinta-suave);
  border-color: var(--borde);
}
.boton--borde:hover { background: var(--crema); color: var(--tinta); }

.boton--peligro {
  background: var(--blanco);
  color: var(--rojo);
  border-color: #eccfcb;
}
.boton--peligro:hover { background: var(--rojo-fondo); }

.boton--bloque { width: 100%; }
.boton--sm { padding: 7px 13px; font-size: 13px; }

/* ============================ Formulario alumno ============================ */

.envoltura {
  max-width: 660px;
  margin: 0 auto;
  padding: 40px 22px 70px;
}

.portada { text-align: center; margin-bottom: 30px; }

.portada h1 {
  margin: 0 0 8px;
  font-size: 27px;
  font-weight: 680;
  letter-spacing: -.5px;
}

.portada p {
  margin: 0;
  color: var(--tinta-suave);
  font-size: 15px;
}

.tarjeta {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 26px;
}

.campo { margin-bottom: 18px; }

.campo__etiqueta {
  display: block;
  margin-bottom: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--tinta);
}

.campo__ayuda {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--tinta-tenue);
}

.campo input[type="text"],
.campo input[type="password"] {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  background: var(--blanco);
  font: inherit;
  color: var(--tinta);
  transition: border-color .15s ease, box-shadow .15s ease;
}

.campo input[type="text"]:focus,
.campo input[type="password"]:focus {
  outline: none;
  border-color: var(--marron);
  box-shadow: 0 0 0 3px rgba(139, 94, 52, .13);
}

.campo input::placeholder { color: #bdb2a7; }

/* Zona de archivo */

.soltar {
  display: block;
  position: relative;
  border: 1.5px dashed var(--marron-borde);
  border-radius: var(--radio);
  background: var(--crema);
  padding: 26px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}

.soltar:hover,
.soltar.encima {
  border-color: var(--marron);
  background: var(--marron-suave);
}

.soltar input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.soltar__icono {
  width: 42px;
  height: 42px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: var(--marron-suave);
  color: var(--marron);
  display: grid;
  place-items: center;
}

.soltar__titulo { font-weight: 600; font-size: 14.5px; }
.soltar__nota { font-size: 12.5px; color: var(--tinta-tenue); margin-top: 3px; }

.soltar.cargado { border-style: solid; border-color: var(--marron); background: var(--marron-suave); }

/* ============================ Avisos ============================ */

.aviso {
  display: flex;
  gap: 10px;
  padding: 13px 15px;
  border-radius: var(--radio-sm);
  font-size: 14px;
  margin-bottom: 20px;
  border: 1px solid transparent;
}

.aviso--ok { background: var(--verde-fondo); border-color: #cbe2d3; color: #2d5c3e; }
.aviso--error { background: var(--rojo-fondo); border-color: #eccfcb; color: #8c2f26; }
.aviso--info { background: var(--marron-suave); border-color: var(--marron-borde); color: var(--marron-oscuro); }

.aviso strong { font-weight: 650; }

/* Comprobante de entrega */

.comprobante { text-align: center; padding: 34px 26px; }

.comprobante__check {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--verde-fondo);
  color: var(--verde);
  display: grid;
  place-items: center;
}

.comprobante h2 { margin: 0 0 6px; font-size: 21px; font-weight: 660; }
.comprobante p { margin: 0 0 18px; color: var(--tinta-suave); }

.resumen {
  text-align: left;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.resumen__fila {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--borde);
}

.resumen__fila:last-child { border-bottom: 0; }
.resumen__fila dt { color: var(--tinta-tenue); margin: 0; }
.resumen__fila dd { margin: 0; font-weight: 600; text-align: right; word-break: break-word; }

.pie {
  margin-top: 26px;
  text-align: center;
  font-size: 12.5px;
  color: var(--tinta-tenue);
}

.pie a { color: var(--tinta-tenue); }

/* ============================ Login ============================ */

.acceso {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--crema);
}

.acceso__caja { width: 100%; max-width: 370px; }

.acceso__marca { text-align: center; margin-bottom: 22px; }

.acceso__sello {
  width: 46px;
  height: 46px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: var(--marron);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: .5px;
}

.acceso__marca h1 { margin: 0; font-size: 19px; font-weight: 660; }
.acceso__marca p { margin: 3px 0 0; font-size: 13px; color: var(--tinta-tenue); }

/* ============================ Panel ============================ */

.panel {
  display: grid;
  grid-template-columns: 370px 1fr;
  height: calc(100vh - 65px);
  min-height: 0;
}

.listado {
  border-right: 1px solid var(--borde);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--blanco);
}

.listado__cabecera {
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--borde);
}

.listado__titulo {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.listado__titulo h2 { margin: 0; font-size: 15px; font-weight: 660; }

.contador {
  font-size: 12px;
  color: var(--marron-oscuro);
  background: var(--marron-suave);
  border: 1px solid var(--marron-borde);
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 600;
}

.buscador { position: relative; }

.buscador input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  font: inherit;
  font-size: 13.5px;
  background: var(--crema);
}

.buscador input:focus {
  outline: none;
  background: var(--blanco);
  border-color: var(--marron);
  box-shadow: 0 0 0 3px rgba(139, 94, 52, .12);
}

.buscador svg {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--tinta-tenue);
  pointer-events: none;
}

.listado__cuerpo {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding: 8px;
}

.alumno {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  text-align: left;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: var(--radio-sm);
  background: transparent;
  font: inherit;
  cursor: pointer;
  margin-bottom: 2px;
  transition: background .12s ease, border-color .12s ease;
}

.alumno:hover { background: var(--crema); }

.alumno.activo {
  background: var(--marron-suave);
  border-color: var(--marron-borde);
}

.alumno__inicial {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  background: var(--marron-suave);
  color: var(--marron-oscuro);
  border: 1px solid var(--marron-borde);
  display: grid;
  place-items: center;
  font-weight: 650;
  font-size: 13px;
}

.alumno.activo .alumno__inicial { background: var(--marron); color: #fff; border-color: var(--marron); }

.alumno__datos { min-width: 0; flex: 1; }

.alumno__nombre {
  font-size: 13.8px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alumno__meta {
  font-size: 12px;
  color: var(--tinta-tenue);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.punto {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--marron-borde);
}

.punto--revisado { background: var(--verde); }
.punto--observado { background: var(--ambar); }

.vacio {
  padding: 40px 24px;
  text-align: center;
  color: var(--tinta-tenue);
  font-size: 13.5px;
}

/* Visor */

.visor {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  background: var(--crema);
}

.visor__cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  min-height: 60px;
}

.visor__datos { min-width: 0; }

.visor__nombre {
  font-size: 15px;
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visor__meta { font-size: 12.5px; color: var(--tinta-tenue); }

.visor__acciones { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.visor__lienzo { flex: 1; min-height: 0; position: relative; }

.visor__lienzo iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: var(--crema);
}

.visor__marcador {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 30px;
  color: var(--tinta-tenue);
}

.visor__marcador svg { color: var(--marron-borde); margin-bottom: 14px; }
.visor__marcador p { margin: 0; font-size: 14px; }

.etiqueta {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 650;
  border: 1px solid transparent;
}

.etiqueta--pendiente { background: var(--marron-suave); color: var(--marron-oscuro); border-color: var(--marron-borde); }
.etiqueta--revisado { background: var(--verde-fondo); color: var(--verde); border-color: #cbe2d3; }
.etiqueta--observado { background: var(--ambar-fondo); color: var(--ambar); border-color: #eedcb8; }

select.estado {
  padding: 7px 11px;
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  background: var(--blanco);
  font: inherit;
  font-size: 13px;
  color: var(--tinta);
  cursor: pointer;
}

select.estado:focus { outline: none; border-color: var(--marron); }

.en-linea { display: inline; }

/* ============================ Responsivo ============================ */

@media (max-width: 860px) {
  .panel {
    grid-template-columns: 1fr;
    height: auto;
  }
  .listado {
    border-right: 0;
    border-bottom: 1px solid var(--borde);
  }
  .listado__cuerpo { max-height: 290px; }
  .visor__lienzo { height: 70vh; }
  .visor__cabecera { flex-wrap: wrap; }
}

@media (max-width: 520px) {
  .barra { padding: 12px 15px; }
  .envoltura { padding: 28px 16px 50px; }
  .tarjeta { padding: 20px; }
  .marca__sub { display: none; }
}