/* ============================================
   ESTUDIANTES.CSS - PÁGINA COMPLETA
   ============================================ */

:root {
  --color-primary: #02408f;
  --color-secondary: #02b8eb;
  --color-accent: #ff9923;
  --color-neutral: #e8e8e8;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-tertiary: #6b7280;
  --gradient-primary: linear-gradient(135deg, #02408f 0%, #02b8eb 100%);
  --shadow-xs: 0 1px 3px rgba(2, 64, 143, 0.08);
  --shadow-sm: 0 2px 8px rgba(2, 64, 143, 0.1);
  --shadow-md: 0 4px 12px rgba(2, 64, 143, 0.12);
  --shadow-hover: 0 8px 20px rgba(2, 184, 235, 0.15);
  --radius: 8px;
  --radius-sm: 6px;
  --transition: all 0.2s ease;
}

/* ============================================
   PAGE HEADER - MEJORADO PARA MÓVIL
   ============================================ */
.page-header-estudiantes {
  background: var(--gradient-primary);
  color: #ffffff;
  padding: clamp(30px, 6vw, 60px) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 0;
}

.page-header-estudiantes .container {
  position: relative;
  z-index: 1;
  padding: 0 15px;
  max-width: 100%;
}

.page-header-estudiantes h1 {
  font-size: clamp(1.5rem, 6vw, 2.4rem);
  font-weight: 800;
  margin-bottom: clamp(8px, 2vw, 12px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 2vw, 12px);
  flex-wrap: wrap;
  line-height: 1.3;
  padding: 0 10px;
  color: #ffffff;
}

.page-header-estudiantes h1 i {
  font-size: clamp(1.3rem, 4vw, 1.8rem);
}

.page-header-estudiantes p {
  font-size: clamp(0.9rem, 3vw, 1.1rem);
  opacity: 0.95;
  margin: 0 auto;
  max-width: 90%;
  line-height: 1.5;
  padding: 0 10px;
}

/* Degradado sutil para móvil */
.page-header-estudiantes::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 50%,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 50%
  );
}

/* Para móviles muy pequeños */
@media (max-width: 360px) {
  .page-header-estudiantes {
    padding: 25px 0;
  }
  
  .page-header-estudiantes h1 {
    flex-direction: column;
    gap: 8px;
  }
}

/* ============================================
   FILTROS Y BÚSQUEDA
   ============================================ */
.filtros-estudiantes-section {
  padding: 30px 0;
  background: #fafbfc;
  border-bottom: 1px solid var(--color-neutral);
}

.filtros-form-estudiantes {
  background: #ffffff;
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.filtros-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  margin-bottom: 12px;
}

/* Búsqueda */
.busqueda-box-estudiantes {
  position: relative;
  display: flex;
  align-items: center;
}

.busqueda-box-estudiantes i {
  position: absolute;
  left: 14px;
  color: var(--color-secondary);
  font-size: 1rem;
}

.busqueda-box-estudiantes input {
  width: 100%;
  padding: 11px 14px 11px 42px;
  border: 1.5px solid var(--color-neutral);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: var(--transition);
}

.busqueda-box-estudiantes input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(2, 184, 235, 0.1);
}

.btn-clear-search {
  position: absolute;
  right: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ef4444;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  text-decoration: none;
  transition: var(--transition);
}

.btn-clear-search:hover {
  background: #dc2626;
  transform: scale(1.1);
}

/* Select ordenar */
.orden-box-estudiantes {
  position: relative;
  display: flex;
  align-items: center;
}

.orden-box-estudiantes i {
  position: absolute;
  left: 14px;
  color: var(--color-secondary);
  font-size: 0.9rem;
  pointer-events: none;
}

.orden-box-estudiantes select {
  padding: 11px 14px 11px 38px;
  border: 1.5px solid var(--color-neutral);
  border-radius: var(--radius);
  font-size: 0.9rem;
  min-width: 200px;
  background: #ffffff;
  cursor: pointer;
  transition: var(--transition);
}

.orden-box-estudiantes select:hover {
  border-color: var(--color-secondary);
}

.orden-box-estudiantes select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(2, 184, 235, 0.1);
}

/* Botón buscar */
.btn-buscar {
  padding: 11px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Info de resultados */
.resultados-info-estudiantes {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  padding: 10px 0 0;
  border-top: 1px solid #f3f4f6;
}

.resultados-info-estudiantes i {
  color: var(--color-secondary);
}

.busqueda-activa {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============================================
   LISTA DE ESTUDIANTES
   ============================================ */
.estudiantes-lista-section {
  padding: 40px 0;
  background: #fafbfc;
  min-height: 60vh;
}

/* Reutiliza el grid del home.css */
.estudiantes-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* ============================================
   ESTADO VACÍO
   ============================================ */
.empty-state-estudiantes {
  text-align: center;
  padding: 80px 20px;
}

.empty-state-estudiantes i {
  font-size: 5rem;
  color: #d1d5db;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-state-estudiantes h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.empty-state-estudiantes p {
  font-size: 1rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ============================================
   PAGINACIÓN
   ============================================ */
.paginacion-estudiantes {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding: 20px;
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.btn-pag {
  padding: 10px 18px;
  background: #ffffff;
  border: 1.5px solid var(--color-neutral);
  border-radius: var(--radius);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-pag:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.pag-numeros {
  display: flex;
  gap: 6px;
  align-items: center;
}

.pag-numeros a,
.pag-actual {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.pag-numeros a {
  background: #ffffff;
  border: 1.5px solid var(--color-neutral);
  color: var(--color-primary);
}

.pag-numeros a:hover {
  background: var(--color-secondary);
  color: #ffffff;
  border-color: var(--color-secondary);
  transform: scale(1.1);
}

.pag-actual {
  background: var(--gradient-primary);
  color: #ffffff;
  border: none;
  box-shadow: var(--shadow-sm);
}

.pag-dots {
  color: var(--text-tertiary);
  padding: 0 4px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .filtros-row {
    grid-template-columns: 1fr auto;
  }
  
  .btn-buscar {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .page-header-estudiantes {
    padding: 30px 0;
  }
  
  .filtros-form-estudiantes {
    padding: 16px;
  }
  
  .filtros-row {
    grid-template-columns: 1fr;
  }
  
  .orden-box-estudiantes select {
    width: 100%;
  }
  
  .estudiantes-grid-compact {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .paginacion-estudiantes {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .btn-pag {
    font-size: 0.8rem;
    padding: 8px 14px;
  }
  
  .pag-numeros a,
  .pag-actual {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .estudiantes-grid-compact {
    grid-template-columns: 1fr;
  }
  
  .resultados-info-estudiantes {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* ============================================
   CARDS DE ESTUDIANTES (del home.css)
   ============================================ */

/* Card de estudiante */
.estudiante-card-compact {
  background: #ffffff;
  border: 1px solid var(--color-neutral);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-xs);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.estudiante-card-compact:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

/* Badge de nivel (esquina superior derecha) */
.estudiante-badge-nivel {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
}

.badge-gold-mini,
.badge-silver-mini,
.badge-bronze-mini {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-gold-mini {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #78350f;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.3);
}

.badge-silver-mini {
  background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%);
  color: #374151;
  box-shadow: 0 2px 8px rgba(209, 213, 219, 0.3);
}

.badge-bronze-mini {
  background: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
  color: #92400e;
  box-shadow: 0 2px 8px rgba(252, 211, 77, 0.3);
}

/* Avatar */
.estudiante-avatar-mini {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 12px;
  position: relative;
  border: 3px solid rgba(2, 64, 143, 0.1);
  transition: var(--transition);
}

.estudiante-avatar-mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.avatar-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(2, 64, 143, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.avatar-hover-overlay i {
  color: #ffffff;
  font-size: 1.5rem;
}

.estudiante-card-compact:hover .estudiante-avatar-mini {
  border-color: var(--color-secondary);
  transform: scale(1.05);
}

.estudiante-card-compact:hover .avatar-hover-overlay {
  opacity: 1;
}

/* Nombre */
.estudiante-nombre-compact {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 6px;
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.4em;
}

/* País */
.estudiante-pais-mini {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.estudiante-pais-mini i {
  color: var(--color-secondary);
  font-size: 0.75rem;
}

/* Bio */
.estudiante-bio-compact {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0 0 12px;
  min-height: 3em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Stats inline */
.estudiante-stats-inline {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 10px 0;
  margin-bottom: 12px;
  border-top: 1px solid rgba(2, 64, 143, 0.08);
  border-bottom: 1px solid rgba(2, 64, 143, 0.08);
  width: 100%;
}

.estudiante-stats-inline span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.estudiante-stats-inline i {
  font-size: 1rem;
  color: var(--color-secondary);
}

/* Botón ver perfil */
.btn-ver-perfil-mini {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--gradient-primary);
  color: #ffffff;
  text-decoration: none;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(2, 64, 143, 0.2);
  margin-top: auto;
}

.btn-ver-perfil-mini:hover {
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(2, 184, 235, 0.3);
}

.btn-ver-perfil-mini i {
  font-size: 0.7rem;
  transition: var(--transition);
}

.btn-ver-perfil-mini:hover i {
  transform: translateX(3px);
}

/* ============================================
   RESPONSIVE CARDS ESTUDIANTES
   ============================================ */
@media (max-width: 1024px) {
  .estudiantes-grid-compact {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
  }
}

@media (max-width: 768px) {
  .estudiantes-grid-compact {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .estudiante-avatar-mini {
    width: 80px;
    height: 80px;
  }
  
  .estudiante-nombre-compact {
    font-size: 0.88rem;
  }
}

@media (max-width: 480px) {
  .estudiantes-grid-compact {
    grid-template-columns: 1fr;
  }
  
  .estudiante-card-compact {
    max-width: 100%;
  }
}

/* Contenedor del avatar (igual que en header) */
.estudiante-avatar-mini {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    position: relative;
    margin: 0 auto 15px;
    border: 3px solid #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); /* Fondo para la inicial */
}

/* Para la imagen de avatar */
.estudiante-avatar-mini .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Asegura que la foto se recorte bien */
    display: block;
}

/* Para la inicial cuando no hay foto */
.estudiante-avatar-mini .avatar-inicial {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    text-transform: uppercase;
}

/* Hover overlay */
.avatar-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    font-size: 1.2rem;
}

.estudiante-avatar-mini:hover .avatar-hover-overlay {
    opacity: 1;
}