import url('https://fonts.googleapis.com/css?family=Montserrat');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: #0d92eb;
    color: #fff;
}

.container {
    width: 500px;
    margin: 20px auto;
    user-select: none;
    overflow-x: hidden;
    position: relative;
}

.header {
    background-color: #000000;
    text-align: center;
    padding: 1.75rem;
    
}

.header h1 {
    font-size: 2.25rem;
}

.date {
    background-color: rgb(0, 0, 0);
    text-align: right;
    font-size: 0.75rem;
    padding: 0.75rem 2rem 0.75rem 0;
}

ul.currencies {
    height: calc(100vh - 40px - 100px - 40px - 58px);
    background-color: #222;
    padding: 0 1.5rem 1rem 1.5rem;
    overflow-y: auto;
}

ul.currencies li {
    background-color: #2d2d37;
    border-radius: 5px;
    list-style: none;
    padding: 1rem 1rem 0.75rem 1rem;
    margin-bottom: 1rem;
    position: relative;
}

ul.currencies li:last-child {
    margin-bottom: 0;
}

ul.currencies li.base-currency {
    background-color: #264d73;
}

.flag {
    width: 60px;
    height: 40px;
    border: 1px solid #fff;
    vertical-align: top;
}

.info {
    display: inline-block;
    width: 78%;
}

.info .input span {
    font-size: 1.5rem;
    display: inline-block;
    width: 4rem;
    text-align: center;
}

.info .input input {
    font-size: 1.5rem;
    width: 78%;
    background-color: transparent;
    border: 2px solid #fff;
    border-radius: 5px;
    color: #fff;
    padding: 0.3rem;
    margin-bottom: 0.75rem;
}

.info .currency-name {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    margin-left: 4rem;
}

.info .base-currency-rate {
    font-size: 0.8rem;
    margin-left: 4rem;
}

ul.currencies li .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0 0.5rem;
    font-size: 1.5rem;
    color: #666;
    cursor: pointer;
}

ul.currencies li .close:hover {
    color: #fff;
}


/* Scrollbar */

ul.currencies::-webkit-scrollbar {
    width: 5px;
}

ul.currencies::-webkit-scrollbar-thumb {
    background-color: #2d2d37;
    border-bottom: 1rem solid #222;
}

ul.add-currency-list {
    position: absolute;
    bottom: 54px;
    left: 105%;
    background-color: #f1f1f1;
    color: #333;
    width: 100%;
    height: calc(100vh - 40px - 100px - 55px);
    overflow-y: auto;
    transition: all 0.25s;
}

ul.add-currency-list li {
    list-style: none;
    padding: 0.75rem;
    border-bottom: 1px solid #ddd;
}

ul.add-currency-list li.disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

ul.add-currency-list li .flag {
    width: 3rem;
    height: 2rem;
    vertical-align: middle;
}

ul.add-currency-list li span {
    margin-left: 1rem;
    font-weight: bold;
}

.add-currency-btn {
    background-color: #00b386;
    color: #fff;
    padding: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    border-top: 3px solid #222;
    outline: none;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.25s;
    position: relative;
}

.add-currency-btn i {
    position: absolute;
    top: 0.6rem;
    left: 30%;
    font-size: 2rem;
    opacity: 0;
    transition: all 0.25s;
}

.add-currency-btn.open {
    background-color: #d9534f;
}

.add-currency-btn.open i {
    opacity: 1;
    left: 1.25rem;
}

.add-currency-btn.open+ul.add-currency-list {
    left: 0;
}

.add-currency-btn.open+ul.add-currency-list li:hover {
    background-color: #ddd;
}

@media (max-width: 600px) {
    html {
        font-size: 14px;
    }
    .container {
        width: 100%;
        margin: 0 auto;
    }
    ul.currencies {
        height: calc(100vh - 83px - 34px - 51px);
    }
    .header h1 {
        font-size: 2rem;
    }
    .flag {
        width: 3rem;
        height: 2rem;
    }
    .info .input span {
        font-size: 1.25rem;
        width: 3.5rem;
    }
    .info .input input {
        font-size: 1.25rem;
        width: 76%;
    }
    .info .currency-name {
        margin-left: 3.5rem;
    }
    .info .base-currency-rate {
        margin-left: 3.5rem;
    }
    ul.add-currency-list {
        bottom: 48px;
        height: calc(100vh - 80px - 51px);
    }
    .add-currency-btn i {
        left: 25%;
        top: 0.65rem;
    }
}