/* Variables Globales de Color */
:root {
    --primary-color: #0d6efd;
    --primary-hover: #0b5ed7;
    --dark-blue: #0a2540;
    --text-color: #333333;
}

/* Configuración de Fondo y Estructura */
body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(rgba(10, 37, 64, 0.65), rgba(10, 37, 64, 0.65)),
                url('../imagenes/corporativo2.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 20px;
}

/* Contenedor Flex / Tarjeta de Login */
.login-container {
    width: 100%;
    max-width: 440px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px); /* Efecto Glassmorphism */
    border-radius: 16px;
    overflow: hidden;
}

/* Logo e Imagen */
.logo-img {
    max-width: 180px;
    height: auto;
    border-radius: 12px;
    object-fit: contain;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.company-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin: 0;
    letter-spacing: 0.5px;
}

/* Campos de Formulario e Iconos */
.input-group-text {
    background-color: #f8f9fa;
    border-right: none;
    color: var(--primary-color);
}

.form-control {
    border-left: none;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
}

.form-control:focus {
    box-shadow: none;
    border-color: #ced4da;
}

.input-group:focus-within .input-group-text,
.input-group:focus-within .form-control {
    border-color: var(--primary-color);
}

/* Botón de Submit */
.custom-btn {
    background-color: var(--primary-color);
    border: none;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.custom-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        border-radius: 12px;
    }
}