/* ==========================================================================
   Identidad institucional UPEL / FAUI
   Hoja de estilos unica. Se carga DESPUES de las hojas antiguas (style.css,
   styles.css) para que sus reglas tengan prioridad sin borrar el CSS legado.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

:root{
  --upel-azul: #0047BB;
  --upel-azul-oscuro: #003791;
  --upel-azul-claro: #E8EFFC;
  --upel-gris-fondo: #F4F6FA;
  --upel-texto: #1B2430;
  --upel-texto-secundario: #5B6474;
  --upel-borde: #DDE3ED;
  --upel-blanco: #FFFFFF;
}

*{ box-sizing: border-box; font-family: 'Montserrat', "Segoe UI", Arial, Helvetica, sans-serif; }

body{
  background: var(--upel-gris-fondo);
  color: var(--upel-texto);
  font-family: 'Montserrat', "Segoe UI", Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
}

/* ---------- Header institucional ---------- */
header{
  background: var(--upel-azul) !important;
  width: 100%;
  margin: 0 !important;
  padding: 16px 32px !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

header .wrapper{
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
}

header .logo{
  width: auto !important;
  height: auto !important;
  float: none !important;
}

header .logo .img2,
header .logo img{
  width: 220px !important;
  height: auto !important;
}

header nav{
  float: none !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

header nav a{
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 8px 16px !important;
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 20px;
  transition: background 0.2s ease;
}

header nav a:hover{
  background: rgba(255,255,255,0.15);
}

/* ---------- Contenedor / tarjeta principal ---------- */
.contenedor-upel{
  max-width: 1000px;
  margin: 32px auto;
  padding: 0 20px;
}

.form-style-9{
  background: var(--upel-blanco) !important;
  border-radius: 12px !important;
  box-shadow: 0 4px 18px rgba(15, 40, 90, 0.08) !important;
  border: 1px solid var(--upel-borde);
  padding: 32px !important;
  max-width: 100% !important;
  margin: 24px auto !important;
}

.form-style-9 h2, .form-style-9 h3{
  color: var(--upel-azul);
  text-align: center;
  margin-bottom: 20px;
}

.form-style-9 ul li .field-style{
  border: 1px solid var(--upel-borde) !important;
  border-radius: 8px !important;
  padding: 10px 12px !important;
  font-size: 14px;
  background: var(--upel-blanco);
}

.form-style-9 ul li .field-split2{
  width: 100% !important;
  margin: 0 !important;
  float: none !important;
}

.form-style-9 ul li .field-style:focus{
  border: 1px solid var(--upel-azul) !important;
  box-shadow: 0 0 0 3px var(--upel-azul-claro) !important;
}

/* ---------- Botones ---------- */
.style-button,
.style-button2,
.form-style-9 ul li input[type="button"],
.form-style-9 ul li input[type="submit"],
button.tablinks{
  background: var(--upel-azul) !important;
  color: var(--upel-blanco) !important;
  border: none !important;
  border-radius: 8px !important;
  font-weight: 600;
  padding: 10px 20px !important;
  cursor: pointer;
  transition: background 0.2s ease;
}

.style-button:hover,
.style-button2:hover,
.form-style-9 ul li input[type="button"]:hover,
.form-style-9 ul li input[type="submit"]:hover{
  background: var(--upel-azul-oscuro) !important;
}

/* ---------- Navegacion por pestanas (panel del investigador) ---------- */
div.tab{
  background: var(--upel-blanco) !important;
  border: 1px solid var(--upel-borde) !important;
  border-radius: 12px;
  padding: 12px;
  max-width: 1000px;
  margin: 24px auto 0;
}

div.tab button,
div.tab li{
  background: transparent !important;
  color: var(--upel-texto) !important;
  border-radius: 8px !important;
  font-size: 14px !important;
  padding: 12px 16px !important;
}

div.tab li a{
  color: var(--upel-texto) !important;
}

div.tab button:hover,
div.tab li:hover,
div.tab button.active,
div.tab li.active{
  background: var(--upel-azul-claro) !important;
  color: var(--upel-azul-oscuro) !important;
}

div.tab li:hover a{
  color: var(--upel-azul-oscuro) !important;
}

.tabcontent, .tabcontent2{
  background: var(--upel-blanco);
  border: 1px solid var(--upel-borde);
  border-radius: 12px;
  padding: 24px !important;
  max-width: 1000px;
  margin: 16px auto;
  float: none !important;
  width: auto !important;
  height: auto !important;
}

/* ---------- Tablas de datos ---------- */
table{
  width: 100%;
  border-collapse: collapse;
}

table thead th{
  background: var(--upel-azul-claro);
  color: var(--upel-azul-oscuro);
  padding: 10px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

table tbody td{
  padding: 10px;
  border-bottom: 1px solid var(--upel-borde);
  font-size: 14px;
}

/* ---------- Pie de pagina institucional ---------- */
footer.pie-upel{
  background: #009A44;
  border-top: none;
  padding: 18px 32px;
  text-align: center;
  margin-top: 40px;
  font-size: 13px;
  color: #FFFFFF;
}

footer.pie-upel a{
  color: #FFFFFF;
  text-decoration: underline;
  font-weight: 600;
}

footer.pie-upel a:hover{
  text-decoration: none;
}

@media screen and (max-width: 700px){
  header .wrapper{ flex-direction: column; gap: 12px; }
  header .logo .img2, header .logo img{ width: 160px !important; }
  .tabcontent, .tabcontent2, div.tab{ margin: 16px 12px; }
}