:root {
  --color-bg: #ffffff;
  --color-primary-gradient-start: #65d1ce;
  --color-primary-gradient-end: #4095b1;
  --color-sidebar: #3C7A87;
  --color-sidebar-hover: #2E6B78;
  --color-text: #000000;
}

/* Estilo personalizado para la navbar */
.navbar-custom {
  background: linear-gradient(to right, var(--color-primary-gradient-start), var(--color-primary-gradient-end));
  color: var(--color-text);
  margin-top: 0;
  padding-top: 0;
}

.navbar-custom .navbar-brand,
.navbar-custom .nav-link {
  color: var(--color-text);
}
html {
    margin: 0;
    padding: 0;
}
h1, h3 {
    color: #333;
}

.kpi-box {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.kpi {
    background-color: #ffffff;
    padding: 1.2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    flex: 1;
    text-align: center;
}

.kpi strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #666;
}

form {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

form input[type="text"],
form input[type="date"],
form select {
    width: 100%;
    padding: 0.6rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form input[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

th, td {
    padding: 12px;
    border-bottom: 1px solid #eee;
    text-align: center;
}

th {
    background-color: #f1f1f1;
    font-weight: 600;
}

tr:hover {
    background-color: #f9f9f9;
    text-align: center;"
}

#cabecera,#libre, #pds, #boton, #tabla {
    background: linear-gradient(to right, #65d1ce, #4095b1);
    color: white;
    text-align: center;
}