.j3d-fp__widget {
    max-width: 100%;
}

.j3d-fp__widget [hidden] {
    display: none !important;
}

.j3d-fp__section {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid #eceef5;
}

.j3d-fp__section:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.j3d-fp__section h2 {
    margin: 0 0 16px;
    color: #3d4a5c;
    font-size: 19px;
}

.j3d-fp__hint {
    margin: 14px 0 0;
    color: #7a8499;
    font-size: 13px;
}

.j3d-fp__cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.j3d-fp__card {
    box-sizing: border-box;
    padding: 16px;
    background: #fafbfe;
    border: 1px solid #eceef5;
    border-radius: 8px;
    min-width: 0;
}

.j3d-fp__card-title {
    margin: 0 0 6px;
    color: #2d3748;
    font-size: 16px;
}

.j3d-fp__card-hint {
    margin: 0 0 14px;
    color: #7a8499;
    font-size: 13px;
}

.j3d-fp__dropzone {
    padding: 18px 12px;
}

.j3d-fp__card-preview {
    margin-top: 14px;
}

.j3d-fp__card-info {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    margin: 0 0 12px;
}

.j3d-fp__card-info dt {
    color: #7a8499;
    font-size: 11px;
}

.j3d-fp__card-info dd {
    margin: 2px 0 0;
    color: #2d3748;
    font-weight: 600;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.j3d-fp__card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.j3d-fp__card-actions .btn-u {
    box-sizing: border-box;
    min-height: 44px;
    flex: 1 1 100px;
}

.j3d-fp__card-error {
    min-height: 19px;
    margin: 10px 0 0;
    color: #c53030;
    font-size: 13px;
}

.j3d-fp__card-warning {
    min-height: 19px;
    margin: 8px 0 0;
    color: #9c6b0a;
    font-size: 13px;
}

.j3d-fp__field {
    margin-bottom: 18px;
}

.j3d-fp__field:last-child {
    margin-bottom: 0;
}

.j3d-fp__field > label {
    display: block;
    margin-bottom: 7px;
    color: #4a5568;
    font-size: 13px;
    font-weight: 600;
}

.j3d-fp__field input[type="color"] {
    box-sizing: border-box;
    width: 100%;
    max-width: 160px;
    height: 44px;
    padding: 4px;
    border: 1px solid #dfe3ed;
    border-radius: 6px;
    background: #fff;
}

.j3d-fp__textarea {
    box-sizing: border-box;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #dfe3ed;
    border-radius: 6px;
    font-family: inherit;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
}

.j3d-fp__preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}

.j3d-fp__preset-buttons .btn-u {
    box-sizing: border-box;
    min-height: 44px;
    flex: 1 1 150px;
}

.j3d-fp__constants {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px 24px;
}

.j3d-fp__constant-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.j3d-fp__constant-row input[type="range"] {
    flex: 1 1 100px;
    min-height: 30px;
    accent-color: #424cb9;
}

.j3d-fp__constant-value {
    min-width: 64px;
    color: #424cb9;
    font-size: 13px;
    white-space: nowrap;
}

.j3d-fp__mode-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.j3d-fp__mode-buttons .btn-u {
    box-sizing: border-box;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 180px;
}

.j3d-converter .j3d-fp__mode-buttons .btn-u[aria-pressed="true"] {
    background: #424cb9;
    border-color: #424cb9;
    color: #fff;
}

.j3d-fp__empty {
    margin: 0;
    padding: 30px 16px;
    text-align: center;
    color: #7a8499;
    background: #f1f3f8;
    border: 1px dashed #dfe3ed;
    border-radius: 8px;
    font-size: 14px;
}

.j3d-fp__frame {
    display: flex;
    flex-direction: row;
    gap: 20px;
}

.j3d-fp__frame.is-stack {
    flex-direction: column;
}

.j3d-fp__block {
    flex: 1 1 0;
    min-width: 0;
    padding: 18px;
    border: 1px solid #dfe3ed;
    border-radius: 8px;
}

.j3d-fp__block-label {
    margin: 0 0 12px;
    color: #5a6278;
    font-size: 13px;
    overflow-wrap: anywhere;
}

.j3d-fp__text {
    margin: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
    white-space: pre-wrap;
}

.j3d-fp__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.j3d-fp__actions .btn-u {
    box-sizing: border-box;
    min-height: 44px;
    flex: 1 1 220px;
}

.j3d-fp__status {
    min-height: 19px;
    margin: 12px 0 0;
    color: #2f855a;
    font-size: 14px;
}

.j3d-fp__instructions {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid #eceef5;
}

.j3d-fp__instructions h2 {
    margin: 0 0 16px;
    color: #3d4a5c;
    font-size: 19px;
}

@media (max-width: 900px) {
    .j3d-fp__cards {
        grid-template-columns: 1fr;
    }

    .j3d-fp__frame {
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .j3d-fp__widget {
        padding: 0;
    }

    .j3d-fp__preset-buttons .btn-u,
    .j3d-fp__mode-buttons .btn-u,
    .j3d-fp__actions .btn-u {
        flex: 1 1 100%;
    }

    .j3d-fp__field input[type="color"] {
        max-width: 100%;
    }
}