body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #00c6ff, #0072ff);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    width: 350px;
    text-align: center;
}

h2 {
    font-size: 22px;
    color: #333;
    margin-bottom: 15px;
}

input, select {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 12px;
    background: #0072ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.3s;
}

button:hover {
    background: #005ecb;
}

.dropdowns {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 15px 0;
}

.currency-box {
    width: 45%;
}

.select-container {
    display: flex;
    align-items: center;
    background: #f1f1f1;
    padding: 8px;
    border-radius: 6px;
}

.select-container img {
    width: 30px;
    margin-right: 8px;
}

.swap-btn {
    font-size: 22px;
    cursor: pointer;
    padding: 5px;
    transition: 0.3s;
}

.swap-btn:hover {
    transform: rotate(180deg);
}

.msg {
    font-size: 18px;
    color: #333;
    margin: 15px 0;
    font-weight: bold;
}