/* Fondo general con degradado suave */
body {
   /* background: linear-gradient(135deg, #f0f8ff, #dbeeff, #b8d8f8, #a0c4eb);*/
    background-size: 400% 400%;
    animation: gradientFlow 15s ease infinite;
    /*color: #0C4B8D; */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Animación suave del fondo degradado */


/* Títulos destacados */
h1, h2, h3 {
    color: #0C4B8D;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* Botón principal con sombra y transición */
.btn-primary {
    background: linear-gradient(to right, #FFB02E, #ffcb6b);
    border: none;
    color: #000;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background: linear-gradient(to right, #e09b28, #f5c66e);
    transform: scale(1.05);
}

/* Tarjetas con sombra y bordes redondeados */
.card {
    background-color: #fff;
    
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Footer moderno con degradado */
.footer {
    background: linear-gradient(to bottom, #5291AD, #2B6178);
    color: #fff;
    padding: 20px 0;
    font-size: 14px;
    text-align: center;
    box-shadow: 0 -4px 8px rgba(0,0,0,0.2);
}

.footer a {
    color: #FFB02E;
    text-decoration: underline;
}

.footer a:hover {
    color: #ffffff;
}

/* Mejora para el contenedor si usás uno */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn-upload {
  background-color: #00aaff;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 170, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-upload:hover {
  background-color: #0095dd;
  box-shadow: 0 6px 12px rgba(0, 170, 255, 0.4);
}
.file-name {
  margin-left: 12px;
  font-style: italic;
  color: #444;
  font-size: 14px;
}