.bifc-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, sans-serif;
}

.bifc-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.bifc-field {
    margin-bottom: 15px;
}

.bifc-field label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
}

.bifc-field select {
    width: 100%;
    padding: 10px;
    border: 1px solid #b3d4fc;
    border-radius: 5px;
    font-size: 16px;
    background-color: #fff;
    transition: border-color 0.3s;
}

.bifc-field select:focus {
    border-color: #4d90fe;
    outline: none;
}

.bifc-field select:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.bifc-reset-button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #dc3545;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 10px;
}

.bifc-reset-button:hover {
    background-color: #c82333;
}

#bifc-results-table {
    margin-top: 20px;
}

.bifc-results-table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
    border: 1px solid #b3d4fc;
    border-radius: 5px;
    overflow: hidden;
}

.bifc-results-table th,
.bifc-results-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #b3d4fc;
}

.bifc-results-table th {
    background-color: #e6f0fa;
    color: #333;
    font-weight: bold;
}

.bifc-results-table td {
    color: #333;
}

.bifc-results-table tr:last-child td {
    border-bottom: none;
}

/* Bold IFSC Code Row */
.bifc-ifsc-row td {
    font-weight: bold;
}

/* Copy Button */
.bifc-copy-button {
    background-color: #4d90fe;
    color: #fff;
    border: none;
    padding: 6px 12px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 10px;
    transition: background-color 0.3s;
    position: relative;
}

.bifc-copy-button:hover {
    background-color: #357ae8;
}

/* Tooltip */
.bifc-copy-button .bifc-tooltip {
    visibility: hidden;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 4px;
    padding: 5px 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.3s;
}

.bifc-copy-button .bifc-tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.bifc-copy-button.copied .bifc-tooltip {
    visibility: visible;
    opacity: 1;
}

/* Mobile-Friendly Design */
@media (max-width: 600px) {
    .bifc-container {
        padding: 10px;
    }

    .bifc-field select {
        font-size: 14px;
    }

    .bifc-reset-button {
        font-size: 14px;
    }

    .bifc-results-table th,
    .bifc-results-table td {
        font-size: 14px;
        padding: 8px;
    }

    .bifc-copy-button {
        padding: 4px 8px;
        font-size: 12px;
    }
}