.j3d-dpi__widget {
    display: grid;
    gap: 24px;
}

.j3d-dpi__card {
    padding: 24px;
    border: 1px solid #e8eaf3;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 2px 12px rgba(66, 76, 185, 0.08);
}

.j3d-dpi__card h2 {
    margin: 0 0 22px;
    color: #2d3748;
    font-size: 21px;
}

.j3d-dpi__group-title {
    margin: 0 0 12px;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
}

.j3d-dpi__modes,
.j3d-dpi__units,
.j3d-dpi__presets,
.j3d-dpi__orientation {
    min-width: 0;
    margin: 0 0 20px;
    padding: 0;
    border: 0;
}

.j3d-dpi__modes legend,
.j3d-dpi__units legend,
.j3d-dpi__presets legend,
.j3d-dpi__orientation legend,
.j3d-dpi__field label {
    display: block;
    margin-bottom: 7px;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
}

.j3d-dpi__mode-list,
.j3d-dpi__unit-list,
.j3d-dpi__preset-list,
.j3d-dpi__orientation-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.j3d-dpi__mode,
.j3d-dpi__unit,
.j3d-dpi__preset,
.j3d-dpi__orientation-btn {
    min-width: 64px;
    min-height: 44px;
    padding: 8px 13px;
    border: 1px solid #d5dae8;
    border-radius: 6px;
    background: #fff;
    color: #353fa0;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.3;
}

.j3d-dpi__mode:hover,
.j3d-dpi__mode.is-active,
.j3d-dpi__unit:hover,
.j3d-dpi__unit.is-active,
.j3d-dpi__preset:hover,
.j3d-dpi__preset.is-active,
.j3d-dpi__orientation-btn:hover,
.j3d-dpi__orientation-btn.is-active {
    border-color: #424cb9;
    background: #eef0fb;
}

.j3d-dpi__checkbox-row {
    margin: 0 0 20px;
    color: #4a5568;
    font-size: 14px;
}

.j3d-dpi__checkbox-row input {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    vertical-align: middle;
}

.j3d-dpi__group {
    margin: 0 0 22px;
    padding-top: 4px;
}

.j3d-dpi__group[hidden] {
    display: none;
}

.j3d-dpi__fields {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.j3d-dpi__field {
    flex: 1 1 220px;
    min-width: 0;
}

.j3d-dpi__input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.j3d-dpi__input-row input {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 9px 12px;
    border: 1px solid #d5dae8;
    border-radius: 6px;
    color: #1f2937;
    font-size: 16px;
    line-height: 1.4;
    box-sizing: border-box;
}

.j3d-dpi__input-row input[aria-invalid="true"] {
    border-color: #c53030;
}

.j3d-dpi__input-row span {
    flex: 0 0 auto;
    color: #718096;
    font-size: 14px;
}

.j3d-dpi__mode:focus,
.j3d-dpi__unit:focus,
.j3d-dpi__preset:focus,
.j3d-dpi__orientation-btn:focus,
.j3d-dpi__input-row input:focus,
.j3d-dpi__actions button:focus,
.j3d-dpi__dropzone:focus,
.j3d-dpi__checkbox-row input:focus {
    border-color: #424cb9;
    outline: 3px solid rgba(66, 76, 185, 0.25);
    outline-offset: 1px;
}

.j3d-dpi__error {
    min-height: 20px;
    margin: 6px 0 0;
    color: #c53030;
    font-size: 13px;
    line-height: 1.4;
}

.j3d-dpi__unit-note {
    margin: 0 0 14px;
    color: #718096;
    font-size: 13px;
}

.j3d-dpi__upload {
    margin-top: 18px;
}

.j3d-dpi__upload[hidden] {
    display: none;
}

.j3d-dpi__upload-label {
    margin: 0 0 10px;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
}

.j3d-dpi__dropzone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 96px;
    padding: 16px;
    border: 2px dashed #c3c9dc;
    border-radius: 8px;
    background: #f8f9fd;
    color: #718096;
    font-size: 14px;
    text-align: center;
    cursor: pointer;
}

.j3d-dpi__dropzone p {
    margin: 0;
}

.j3d-dpi__dropzone.is-dragover {
    border-color: #424cb9;
    background: #eef0fb;
}

.j3d-dpi__status {
    min-height: 20px;
    margin: 8px 0 0;
    color: #276749;
    font-size: 13px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.j3d-dpi__status.is-error {
    color: #c53030;
}

.j3d-dpi__status.is-success {
    color: #276749;
}

.j3d-dpi__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.j3d-dpi__actions button {
    min-height: 44px;
    white-space: normal;
}

.j3d-dpi__result {
    padding: 18px;
    border-radius: 6px;
    background: #f6f7fd;
    color: #374151;
}

.j3d-dpi__result p {
    margin: 0 0 7px;
}

.j3d-dpi__result p:last-of-type {
    margin-bottom: 0;
}

.j3d-dpi__result strong {
    color: #353fa0;
}

.j3d-dpi__warning {
    margin: 14px 0 0;
    padding: 12px 14px;
    border-radius: 6px;
    background: #fdf2e9;
    color: #9c4221;
    font-size: 13px;
}

.j3d-dpi__quality-note {
    margin: 16px 0 0;
    color: #718096;
    font-size: 13px;
}

@media (max-width: 480px) {
    .j3d-dpi__card {
        padding: 18px;
    }

    .j3d-dpi__actions {
        display: grid;
    }

    .j3d-dpi__actions button {
        width: 100%;
    }
}