body {
    background-color: #f8f9fa;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    padding-bottom: 60px;
}
.navbar-brand {
    font-weight: bold;
}
.currency-card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    margin-bottom: 15px;
}
.currency-card:hover {
    transform: translateY(-5px);
}
.increase {
    color: #28a745;
}
.decrease {
    color: #dc3545;
}
.converter-input {
    border-radius: 5px;
    text-align: right;
    padding: 12px;
    font-size: 16px;
}
.last-update {
    font-size: 0.85rem;
    color: #6c757d;
}
.converter-section {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.converter-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
    display: flex;
    align-items: center;
}
.converter-title i {
    margin-right: 10px;
    font-size: 20px;
}
.input-group {
    margin-bottom: 15px;
}
.input-group-text {
    min-width: 80px;
    justify-content: center;
    font-weight: 600;
}
.result-box {
    background-color: #e8f5e9;
    border-radius: 8px;
    padding: 12px;
    margin-top: 10px;
    border-left: 4px solid #28a745;
}
.swap-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px auto;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    cursor: pointer;
}
.currency-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
}
.currency-icon.eur {
    background-color: #003399;
}
.currency-icon.usd {
    background-color: #0B6623;
}
.currency-icon.chf {
    background-color: #D52B1E;
}
.currency-icon.gbp {
    background-color: #8B0000;
}
.currency-icon.huf {
    background-color: #436F4D;
}
.currency-icon.xau {
    background-color: #FFD700;
    color: #343a40;
}
.tab-content {
    padding: 15px 0;
}
.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: #6c757d;
    font-weight: 500;
}
.nav-tabs .nav-link.active {
    color: #198754;
    border-bottom: 3px solid #198754;
    background: transparent;
}
.stat-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    height: 100%;
}
@media (max-width: 576px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    .converter-input {
        padding: 16px;
        font-size: 18px;
    }
    .input-group-text {
        min-width: 70px;
        font-size: 14px;
    }
}