/* =================================== */
/* CSS PARA index.php (LOGIN) */
/* =================================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5; /* Fondo suave */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.card {
    background: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1); /* Sombra elegante */
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.card-title {
    color: #173f5f; /* Color de encabezado primario */
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1); /* Foco con sombra azul */
}

.btn {
    display: block;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #173f5f;
    color: white;
    margin-top: 15px;
}

.btn-primary:hover {
    background-color: #0c2c43;
}

.error-msg {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.mt-3 a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.mt-3 a:hover {
    text-decoration: underline;
}
/* En vt/css/panel.css */
.hidden {
    display: none !important; 
}