.navbar-brand img {
    max-height: 60px;
    border-radius: 20px;
}

.whatsapp-btn {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-btn img {
    width: 35px;
}

.whatsapp-btn:hover {
    background-color: #128c7e;
    transform: scale(1.1);
}



.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    background: white;
}
.btn-login {
    background-color: #0d6efd;
    border: none;
    padding: 0.8rem;
    font-weight: bold;
    transition: 0.3s;
}
.btn-login:hover {
    background-color: #0b5ed7;
    transform: translateY(-2px);
}
.logo-login {
    width: 80px;
    margin-bottom: 1rem;
}

body { background-color: #f8f9fa; }
            .sidebar { min-height: 100vh; background: #212529; color: white; }
            .nav-link { color: rgba(255,255,255,.75); }
            .nav-link:hover, .nav-link.active { color: white; background: rgba(255,255,255,.1); }
            .card { border: none; border-radius: 15px; margin-bottom: 20px; }