/* =============================================================
   Pagina di login
   ============================================================= */

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: linear-gradient(135deg, #042551 0%, #07376f 50%, #0b4f9f 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,.3);
    width: 100%;
    max-width: 420px;
}

.login-card .logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-card .logo img {
    max-width: 250px;
    height: auto;
}

.login-card h1 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    color: #1a237e;
}

.login-card .subtitle {
    text-align: center;
    color: #888;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.btn-login {
    width: 100%;
    padding: 0.75rem;
    background: #1a237e;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-login:hover { background: #283593; color: #fff; }
.btn-login:disabled { background: #5c6bc0; cursor: not-allowed; opacity: .85; }

.login-divider {
    display: flex;
    align-items: center;
    margin: 1.25rem 0;
    color: #888;
    font-size: 0.85rem;
}
.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    border-top: 1px solid #dee2e6;
}
.login-divider span { padding: 0 0.75rem; }

.btn-microsoft {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 0.7rem;
    background: #fff;
    color: #5e5e5e;
    border: 1px solid #8c8c8c;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
}
.btn-microsoft:hover { background: #f3f3f3; color: #5e5e5e; border-color: #5e5e5e; }
.btn-microsoft .ms-logo { width: 20px; height: 20px; }

.input-group-text { background: #f8f9fa; border-right: none; }
.form-control:focus { box-shadow: 0 0 0 0.2rem rgba(26,35,126,.15); border-color: #1a237e; }
.form-control { border-left: none; }