/**
 * Code Input Styling
 * Styles for 6-character code input boxes
 */

.code-box {
    width: 50px;
    height: 60px;
    font-size: 1.5rem;
    font-family: var(--bs-font-monospace);
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    
    /* Bootstrap form-control styling */
    display: block;
    padding: 0.375rem 0.75rem;
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
    background-clip: padding-box;
    border: var(--bs-border-width) solid var(--bs-border-color);
    appearance: none;
    border-radius: var(--bs-border-radius);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

/* Focus state */
.code-box:focus {
    color: var(--bs-body-color);
    background-color: var(--bs-body-bg);
    border-color: #86b7fe;
    outline: 0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Invalid state */
.code-box.is-invalid {
    border-color: var(--bs-form-invalid-border-color);
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.code-box.is-invalid:focus {
    border-color: var(--bs-form-invalid-border-color);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb), 0.25);
}

/* Disabled state */
.code-box:disabled {
    background-color: var(--bs-secondary-bg);
    opacity: 1;
}

/* Responsive sizing */
@media (max-width: 576px) {
    .code-box {
        width: 45px;
        height: 55px;
        font-size: 1.3rem;
    }
}