body, html {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f8f9fa;
}

.login-container {
    height: 100vh;
    overflow: hidden;
}

/* --- LATO SINISTRO (Branding) --- */
.bg-branding {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 3rem;
}

.bg-branding::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('https://source.unsplash.com/random/1600x900/?technology,abstract') no-repeat center center;
    background-size: cover;
    opacity: 0.1; /* Effetto texture leggero */
}

.brand-content {
    position: relative;
    z-index: 2;
}

.logo-circle {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.logo-img {
    width: 110px;
    height: auto;
}

/* --- LATO DESTRO (Form) --- */
.login-form-section {
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
}

.login-wrapper {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.form-floating:focus-within {
    z-index: 2;
}

.btn-login {
    padding: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

.footer-text {
    font-size: 0.85rem;
    color: #6c757d;
    margin-top: 3rem;
    text-align: center;
}