/* Reset & base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-image: url('/assets/img/sfondo.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* Main container */
.portal-container {
    background: white;
    border-radius: 20px;
    padding: 30px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Loghi */
.comune-logo,
.wifi-logo,
.sokom-logo {
    display: block;
    margin: 0 auto 10px;
}

.comune-logo {
    width: 250px;
}

.wifi-logo {
    width: 140px;
    margin-bottom: 20px;
}

.sokom-logo {
    width: 150px;
    margin-top: 20px;
}

.comune-logo img,
.wifi-logo img,
.sokom-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Testi */
.welcome-text {
    color: #000000ff;
    font-size: 1.5rem;
    margin-bottom: 30px;
}

/* Pulsanti */
.login-button {
    background: #007AFF;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 500;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-button:hover {
    background: #0056CC;
}

.login-button:active {
    transform: translateY(1px);
}

.login-button:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.login-button:disabled:hover {
    background: #ccc;
    transform: none;
}

/* Media queries */
@media (max-width: 768px) {
    .portal-container {
        max-width: 350px;
        padding: 35px 25px;
    }

    .comune-logo {
        width: 200px;
    }

    .wifi-logo {
        width: 150px;
    }

    .sokom-logo {
        width: 120px;
    }

    .welcome-text {
        font-size: 15px;
    }

    .login-button {
        font-size: 15px;
        padding: 12px 25px;
    }
}

@media (max-width: 480px) {
    .portal-container {
        padding: 30px 20px;
        margin: 10px;
        max-width: 320px;
    }

    .comune-logo {
        width: 180px;
    }

    .wifi-logo {
        width: 130px;
    }

    .sokom-logo {
        width: 90px;
    }

    .welcome-text {
        font-size: 14px;
        margin-bottom: 25px;
    }
}

@media (max-width: 320px) {
    .portal-container {
        padding: 25px 15px;
    }

    .comune-logo,
    .wifi-logo,
    .sokom-logo {
        width: 80px;
    }

    .welcome-text {
        font-size: 13px;
    }
}