:root {
    --boi-primary-color: #2563eb;
    --boi-primary-hover: #1d4ed8;
    --boi-secondary-color: #64748b;
    --boi-border-color: #e2e8f0;
    --boi-background-color: #f8fafc;
    --boi-card-background: #ffffff;
    --boi-text-primary: #1e293b;
    --boi-text-secondary: #64748b;
    --boi-danger-color: #ef4444;
    --boi-success-color: #22c55e;
    --boi-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --boi-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --boi-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.boi-widget {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--boi-background-color);
    color: var(--boi-text-primary);
    line-height: 1.5;
    padding: 1rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
}

.boi-container {
    max-width: 100%;
    margin: 0 auto;
    animation: boiFadeIn 0.5s ease-out;
    box-sizing: border-box;
}

@keyframes boiFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.boi-header {
    background: #fff;
    padding: 1.5rem 1rem 0.8rem;
    border-bottom: 1px solid #e0e0e0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    margin-bottom: 2rem;
    border-radius: 1rem 1rem 0 0;
}

.boi-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #003366;
    letter-spacing: 0.5px;
    margin: 0;
    padding-bottom: 0.2rem;
}

.boi-header p {
    font-size: 1.05rem;
    font-weight: 400;
    color: #555;
    margin-top: 0.2rem;
}

.boi-main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: start;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .boi-main-content {
        grid-template-columns: 1fr 350px;
    }
}

@media (min-width: 1200px) {
    .boi-main-content {
        grid-template-columns: 1fr 400px;
    }
}

.boi-rates-table {
    background: var(--boi-card-background);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--boi-shadow-md);
    transition: box-shadow 0.3s ease;
    width: 100%;
    overflow-x: auto;
    box-sizing: border-box;
}

.boi-rates-table:hover {
    box-shadow: var(--boi-shadow-lg);
}

.boi-table {
    width: 100%;
    min-width: 600px;
    border-collapse: separate;
    border-spacing: 0;
    font-family: 'IBM Plex Sans', sans-serif;
    box-sizing: border-box;
    table-layout: fixed;
}

.boi-th {
    background: var(--boi-background-color);
    padding: 1.25rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--boi-text-secondary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--boi-border-color);
}

.boi-td {
    padding: 1rem;
    border-bottom: 1px solid var(--boi-border-color);
    font-size: 0.9375rem;
    transition: background-color 0.2s ease;
}

.boi-tr:hover .boi-td {
    background-color: rgba(37, 99, 235, 0.05);
}

.boi-flag-img {
    width: 24px;
    height: 16px;
    margin-right: 0.75rem;
    vertical-align: middle;
    border-radius: 2px;
    box-shadow: var(--boi-shadow-sm);
}

.boi-currency-name {
    display: flex;
    align-items: center;
    font-weight: 500;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
}

.boi-down {
    color: var(--boi-danger-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.boi-down i {
    font-size: 0.875rem;
}

.boi-card {
    background: var(--boi-card-background);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--boi-shadow-md);
    transition: all 0.3s ease;
}

.boi-card:hover {
    box-shadow: var(--boi-shadow-lg);
    transform: translateY(-2px);
}

.boi-card-title {
    color: var(--boi-text-primary);
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.boi-card-title i {
    color: var(--boi-primary-color);
    font-size: 1.125rem;
}

.boi-converter-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.boi-currency-input-group {
    position: relative;
}

.boi-currency-input {
    display: flex;
    border: 1px solid var(--boi-border-color);
    border-radius: 0.75rem;
    overflow: hidden;
    background: white;
    transition: all 0.2s ease;
}

.boi-currency-input:focus-within {
    border-color: var(--boi-primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.boi-amount-input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: none;
    background: transparent;
    font-size: 1.125rem;
    font-weight: 600;
    font-family: 'IBM Plex Sans', monospace;
    color: var(--boi-text-primary);
    outline: none;
}

.boi-amount-input::placeholder {
    color: #9CA3AF;
    font-weight: 400;
}

.boi-currency-select {
    padding: 1rem 1.25rem;
    border: none;
    border-left: 1px solid var(--boi-border-color);
    background: #f8fafc;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--boi-text-secondary);
    outline: none;
    cursor: pointer;
    min-width: 140px;
}

.boi-swap-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: -0.5rem 0;
    z-index: 10;
    position: relative;
}

.boi-swap-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--boi-border-color);
    background: white;
    color: var(--boi-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: var(--boi-shadow-sm);
}

.boi-swap-btn:hover {
    border-color: var(--boi-primary-color);
    color: var(--boi-primary-color);
    transform: rotate(180deg);
    box-shadow: var(--boi-shadow-md);
}

.boi-swap-btn i {
    font-size: 0.875rem;
}

.boi-conversion-info {
    padding: 1rem;
    background: #f8fafc;
    border-radius: 0.5rem;
    border: 1px solid var(--boi-border-color);
}

.boi-rate-info {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--boi-text-primary);
    margin: 0 0 0.25rem 0;
}

.boi-last-update {
    font-size: 0.75rem;
    color: var(--boi-text-secondary);
    margin: 0;
}

.boi-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid var(--boi-primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: boiSpin 0.8s linear infinite;
    margin: 1.5rem auto;
}

@keyframes boiSpin {
    to { transform: rotate(360deg); }
}

.spinner-cell {
    text-align: center;
    padding: 2rem 0;
}

@media (max-width: 1024px) {
    .boi-main-content {
        display: flex;
        flex-direction: column;
    }

    .boi-side-panels {
        width: 100%;
    }
}

@media (max-width: 767px) {
    .boi-widget {
        padding: 1.5rem;
    }
}

@media (max-width: 1200px) {
    .boi-main-content {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 767px) {
    .boi-widget {
        padding: 1rem;
    }

    .boi-main-content {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .boi-rates-table {
        order: 2;
        margin: 0;
        border-radius: 0.5rem;
    }

    .boi-side-panels {
        order: 1;
    }

    .boi-table {
        font-size: 0.875rem;
    }

    .boi-td,
    .boi-th {
        padding: 0.75rem 0.5rem;
    }

    .boi-currency-name {
        font-size: 0.875rem;
    }

    .boi-flag-img {
        width: 20px;
        height: 14px;
        margin-right: 0.5rem;
    }

    .boi-card {
        border-radius: 0.75rem;
        margin: 0;
        padding: 1.25rem;
    }

    .boi-currency-select {
        min-width: 120px;
        font-size: 0.8125rem;
    }

    .boi-amount-input {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .boi-widget {
        padding: 0.5rem;
    }

    .boi-flag-img {
        width: 20px;
        height: 14px;
        margin-right: 0.5rem;
    }
}