:root {
    --day-gradient: linear-gradient(135deg, #87CEEB, #FFA07A);
    --night-gradient: linear-gradient(135deg, #001D3D, #1B3B5F);
}

.card {
    background: var(--day-gradient); /* Default to day theme */
    transition: background 0.5s ease; /* Smooth transition between themes */
}

*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

body{
    background-color: #222;
}

.card{
    width: 90%;
    max-width: 470px;
    background: linear-gradient(135deg, #9AA6B2, #F8FAFC);
    color: #fff;
    margin: 100px auto 0;
    border-radius: 20px;
    padding: 40px 35px;
    text-align: center;
}

.search{
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search input{
    padding: 10px 25px;
    border: 0;
    background: #D9EAFD;
    color: #555;
    outline: 0;
    height: 60px;
    border-radius: 30px;
    flex: 1;
    margin-right: 16px;
    font-size: 18px;
}

.search button{
    border: 0;
    background: #BCCCDC;
    border-radius: 50%;
    outline: 0;
    width: 60px;
    height: 60px;
    cursor: pointer;
}

.search button img{
    width: 16px;
}

.weather-icon{
    width: 170px;
    margin-top: 30px;
}

.weather h1{
    font-size: 80px;
    font-weight: 500;
}

.weather h2{
    font-size: 45px;
    font-weight: 400;
    margin-top: -10px;
}

.details{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 50px;
    padding: 0 20px;
}

.col{
    display: flex;
    align-items: center;
    text-align: left;
}

.col img{
    width: 50px;
    margin-right: 10px;
}

.humidity, .wind{
    font-size: 28px;
    margin-top: -6px;
}

.weather{
    display: none;
}

.error{
    text-align: left;
    margin-left: 10px;
    margin-top: 10px;
    font-size: 14px;
    color: #ff0033;
    display: none;
}


/*Responsive*/
@media (max-width: 768px) {
    .card {
        padding: 30px 25px;
    }

    .search input {
        font-size: 16px;
        height: 50px;
    }

    .search button {
        width: 50px;
        height: 50px;
    }

    .search button img {
        width: 12px;
    }

    .weather-icon {
        width: 140px;
    }

    .weather h1 {
        font-size: 60px;
    }

    .weather h2 {
        font-size: 35px;
    }

    .details {
        flex-direction: column;
        gap: 20px;
        padding: 0;
    }

    .col {
        flex-direction: row;
        justify-content: center;
        text-align: center;
    }

    .col img {
        width: 40px;
    }

    .humidity, .wind {
        font-size: 22px;
    }
}


@media (max-width: 480px) {
    .search input {
        font-size: 14px;
        height: 45px;
    }

    .search button {
        width: 45px;
        height: 45px;
    }

    .weather-icon {
        width: 120px;
    }

    .weather h1 {
        font-size: 50px;
    }

    .weather h2 {
        font-size: 30px;
    }

    .details {
        gap: 15px;
    }

    .humidity, .wind {
        font-size: 20px;
    }
}