* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #e0e7ff, #f8fafc);
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    justify-content: center;
}

.mainCard {
    display: flex;
    flex-direction: column;
    text-align: center;
    background-color: white;
    padding: 30px;
    border-radius: 18px;
    box-shadow: 0px 10px 25px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.mainCard:hover {
    box-shadow: 0px 12px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.titleCard {
    color: #1e3a8a;
    font-size: 23px;
}

.title {
    margin: 10px;
}

.divider {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    border: none;
    height: 1px;
    background-color: #d1d5db;
}

.currencyCard {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 15px 5px;
    gap: 15px;
}

.input,
.select {
    width: 130px;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

.input:focus,
.select:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.arrow-icon {
    font-size: 20px;
    color: #475569;
}

.footer-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

#convert {
    margin-top: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background-color: #2563eb;
    font-weight: bold;
    color: white;
    font-size: 17px;
    transition: 0.3s;
}

#convert:hover{
    background-color: #1d4ed8;
    transform: translateY(-2px);
}

#message {
    color: #dc2626;
    font-weight: bold;
    font-size: 16px;
    min-height: 24px;
}

.footer-area span{
    font-size: 14px;
    color: #6b7280;
}