/* === Estilo base === */
body {
  font-family: Arial, sans-serif;
  background-color: #000000;
  margin: 0;
  padding: 0;
  color: #f5f5f5;
  overflow-x: hidden; /* ✅ Previene desbordamientos horizontales */
  display: flex;
  justify-content: center;
}

/* === Contenedores principales === */
.login-container {
  max-width: 700px;
  margin: 0 auto;
  background: #111111;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
}

.admin-panel {
  width: 100vw; /* ✅ Ocupa todo el ancho visible */
  max-width: 100vw;
  background: #111111;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
  box-sizing: border-box;
}

.historial-panel {
  max-width: 700px;
  margin: 0 auto;
  background: #111111; /* Fondo negro oscuro elegante */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08); /* Sombra blanca muy suave */
}

.user-panel {
  width: 100vw; /* ✅ Ocupa todo el ancho visible */
  max-width: 100vw;
  background: #111111;
  padding: 10px;
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.08);
  box-sizing: border-box;
}

/* === Encabezado superior fijo === */
.topbar,
.header-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #f5511e;
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.topbar span,
.header-bar span,
.header-bar .saldo {
  margin: 0;
  font-weight: bold;
  font-size: 1.1rem;
}

h1, h2, h3 {
  margin-top: 0;
  color: #F5DEB3;
  border-bottom: 1px solid #ccc;
  padding-bottom: 8px;
}

form {
  margin-bottom: 25px;
}

input, select, button {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  padding: 10px;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #444;
  box-sizing: border-box;
}

input, select {
  background-color: #1e1e1e;
  color: #ffffff;
}

input::placeholder, select option {
  color: #bbbbbb;
}

input[type="number"] {
  width: calc(100% - 100px);
  display: inline-block;
  margin-right: 10px;
}

button {
  background-color: #FF5722;
  color: white;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #E64A19;
}

button[onclick*="modificarCreditos"] {
  background-color: #27ae60;
}

button[onclick*="modificarCreditos"]:hover {
  background-color: #1e8449;
}

button[onclick*="eliminarUsuario"] {
  background-color: #c0392b;
}

button[onclick*="eliminarUsuario"]:hover {
  background-color: #922b21;
}

.mensaje {
  font-weight: bold;
  margin-top: 10px;
}

.error-text {
  color: red;
  margin-top: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
  background-color: #1e1e1e;
  color: #f5f5f5;
}

table, th, td {
  border: 1px solid #444;
}

th {
  background-color: #333;
  color: #f5f5f5;
}

th, td {
  padding: 10px;
  text-align: center;
}

.paginacion {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 15px;
}

.usuario-card {
  background-color: #1e1e1e;
  border: 1px solid #444;
  padding: 16px;
  border-radius: 8px;
  margin-top: 20px;
  box-shadow: 0 2px 6px rgba(255, 255, 255, 0.05);
  color: #f5f5f5;
}

#buscarCC {
  padding: 10px;
  width: calc(100% - 120px);
  display: inline-block;
  margin-right: 10px;
  border: 1px solid #bbb;
  background-color: #1e1e1e;
  color: #ffffff;
}

#btnBuscarUsuario {
  width: auto;
  padding: 10px 16px;
  background-color: #FF5722;
  border: none;
  color: white;
  border-radius: 4px;
}

#btnBuscarUsuario:hover {
  background-color: #E64A19;
}

button.btn-comprar {
  background-color: #FF5722 !important;
  color: white !important;
  border: none;
  width: 100%;
  padding: 10px 0;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-weight: bold;
}

button.btn-comprar:hover {
  background-color: #E64A19 !important;
}

.user-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #444;
}

.saldo-label,
.header-bar .saldo {
  font-size: 1.1rem;
  font-weight: 500;
  color: white;
}

@media (max-width: 768px) {
  .login-container,
  .admin-panel,
  .user-panel,
  .historial-panel {
    padding: 20px;
  }

  input[type="text"],
  input[type="password"],
  input[type="number"],
  select,
  button {
    font-size: 1rem;
    padding: 10px;
    width: 100%;
  }

  #buscarCC {
    width: 100%;
    margin-bottom: 10px;
  }

  #btnBuscarUsuario {
    width: 100%;
    padding: 10px;
  }

  .usuario-card {
    padding: 16px;
    font-size: 0.95rem;
  }

  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: 6px;
  }

  .paginacion {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .topbar,
  .header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
}

@media (max-width: 340px) {
  h1, h2 {
    font-size: 1.25rem;
  }

  .usuario-card {
    font-size: 0.9rem;
  }

  input,
  button {
    font-size: 0.95rem;
  }

  table {
    font-size: 0.85rem;
  }

  .paginacion button {
    width: 100%;
  }
}

.botonera-horizontal {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin-top: 10px;
}

.botonera-horizontal button {
  flex: 1;
  padding: 10px 0;
  font-size: 0.95rem;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-verde {
  background-color: #27ae60;
}

.btn-verde:hover {
  background-color: #1e8449;
}

.btn-rojo {
  background-color: #c0392b;
}

.btn-rojo:hover {
  background-color: #922b21;
}

#gruposContainer {
  display: grid;
  gap: 1rem;
  padding-left: 0;
  padding-right: 0;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  justify-content: center;
}

@media (min-width: 1024px) {
  #gruposContainer {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 330px) and (max-width: 1023px) {
  #gruposContainer {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 329px) {
  #gruposContainer {
    grid-template-columns: 1fr;
  }
}

.grupo-card {
  background-color: #111;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
  text-align: center;
  transition: transform 0.2s ease;
}

.grupo-card:hover {
  transform: scale(1.02);
}

.grupo-img {
  width: auto;
  
  border-radius: 8px;
  
  max-height: 160px;
}

.tarjetas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0;
}

@media (max-width: 768px) {
  .tarjetas-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 330px) {
  .tarjetas-grid {
    grid-template-columns: 1fr;
  }
}

.grupo-card {
  background-color: #111;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.grupo-img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
}

.user-panel h2 {
  max-width: 90%; /* Ocupa el 95% del ancho disponible */
  margin: 0 auto; /* Centra horizontalmente */
  border-bottom: 1px solid #ccc;
  padding-bottom: 8px;
}