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

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

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

.j3d-color-converter__legend {
    width: 100%;
    margin: 0 0 22px;
    padding: 0;
    color: #2d3748;
    font-size: 21px;
    font-weight: 700;
}

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

.j3d-color-converter__field {
    flex: 1 1 120px;
    min-width: 0;
}

.j3d-color-converter__field--hex {
    flex: 1 1 220px;
}

.j3d-color-converter__field--picker {
    flex: 0 0 auto;
}

.j3d-color-converter__field label {
    display: block;
    margin-bottom: 7px;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
}

.j3d-color-converter__field input[type="text"] {
    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-color-converter__field input[type="color"] {
    width: 64px;
    min-height: 44px;
    padding: 4px;
    border: 1px solid #d5dae8;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
}

.j3d-color-converter__field input:focus {
    border-color: #424cb9;
    outline: 3px solid rgba(66, 76, 185, 0.25);
    outline-offset: 1px;
}

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

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

.j3d-color-converter__value {
    margin: 16px 0 0;
    padding: 10px 12px;
    border-radius: 6px;
    background: #f6f7fd;
    color: #353fa0;
    font-size: 15px;
    word-break: break-all;
}

.j3d-color-converter__preview-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.j3d-color-converter__preview {
    flex: 0 0 auto;
    width: 96px;
    height: 96px;
    border: 1px solid #d5dae8;
    border-radius: 8px;
}

.j3d-color-converter__preview-text {
    margin: 0;
    color: #374151;
    font-size: 15px;
}

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

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

.j3d-color-converter__actions button:focus {
    border-color: #424cb9;
    outline: 3px solid rgba(66, 76, 185, 0.25);
    outline-offset: 1px;
}

.j3d-color-converter__actions button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.j3d-color-converter__status {
    min-height: 24px;
    margin: 14px 0 0;
    color: #276749;
    font-size: 14px;
}

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

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

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

    .j3d-color-converter__actions {
        display: grid;
    }

    .j3d-color-converter__actions button {
        width: 100%;
    }

    .j3d-color-converter__preview {
        width: 72px;
        height: 72px;
    }
}