/* ============================================================================
   Visor: Workflow Step Co-Pilot
   BEM block: .visor-step
   Replaces: .visor-step-panel, .step-panel-header, .step-progress-container,
             .step-progress-bar, .step-progress-fill, .step-progress-text,
             .step-workflow-info, .step-workflow-name, .step-state-name,
             .step-description, .step-title, .step-hint, .step-mode-switcher,
             .step-mode-btn, .mode-icon, .mode-label, .step-input-area,
             .step-form, .step-form-loading, .step-field, .step-field-label,
             .step-field-input, .step-field-hint, .step-field-error,
             .step-field-textarea, .step-field-select, .step-field-boolean,
             .step-field-toggle, .toggle-slider, .step-field-slider,
             .step-field-color, .step-field-date, .step-field-tags, .step-tag,
             .step-tag-remove, .step-file-drop, .step-json-editor,
             .step-json-textarea, .step-json-errors, .step-json-error,
             .step-json-valid, .step-chat-messages, .step-chat-welcome,
             .step-chat-message, .step-chat-input-area, .step-chat-input,
             .step-chat-send, .step-preview, .step-preview-header,
             .step-preview-title, .step-preview-toggle, .step-preview-content,
             .step-actions, .step-actions-spacer, .step-btn, .step-btn-primary,
             .step-btn-secondary
   ============================================================================ */

@scope (beam-visor) {

  /* -- Block ---------------------------------------------------------------- */

  .visor-step {
    display: none;
    flex-direction: column;
    height: 100%;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }

  .visor-step.active {
    display: flex;
  }

  /* -- Header --------------------------------------------------------------- */

  .visor-step__header {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
  }

  /* -- Progress ------------------------------------------------------------- */

  .visor-step__progress {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }

  .visor-step__progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    overflow: hidden;
  }

  .visor-step__progress-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 33%;
  }

  .visor-step__progress-text {
    font-size: 0.75rem;
    color: var(--color-muted);
    white-space: nowrap;
  }

  /* -- Workflow info -------------------------------------------------------- */

  .visor-step__workflow-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8rem;
  }

  .visor-step__workflow-name {
    color: var(--color-accent);
    font-weight: 500;
  }

  .visor-step__state-name {
    color: var(--color-muted);
  }

  .visor-step__state-name::before {
    content: '>';
    margin-right: var(--space-sm);
    opacity: 0.5;
  }

  /* -- Description ---------------------------------------------------------- */

  .visor-step__description {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
  }

  .visor-step__title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.25rem;
  }

  .visor-step__hint {
    font-size: 0.8rem;
    color: var(--color-muted);
  }

  /* -- Mode switcher -------------------------------------------------------- */

  .visor-step__mode-switcher {
    display: flex;
    gap: 0.25rem;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
  }

  .visor-step__mode-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .visor-step__mode-btn:hover {
    background: var(--color-bg);
    color: var(--color-text);
  }

  .visor-step__mode-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
  }

  .visor-step__mode-icon {
    font-size: 0.9rem;
  }

  .visor-step__mode-label {
    /* label text — no extra styles needed by default */
  }

  /* -- Input area ----------------------------------------------------------- */

  .visor-step__input-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
  }

  .visor-step__input-area.hidden {
    display: none;
  }

  /* -- Form mode ------------------------------------------------------------ */

  .visor-step__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .visor-step__form-loading {
    text-align: center;
    color: var(--color-muted);
    padding: 2rem;
  }

  /* -- Form fields ---------------------------------------------------------- */

  .visor-step__field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .visor-step__field-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }

  .visor-step__field-label .required {
    color: var(--color-danger);
  }

  .visor-step__field-hint {
    font-size: 0.7rem;
    color: var(--color-muted);
  }

  .visor-step__field-input {
    padding: 0.6rem var(--space-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 0.85rem;
    transition: border-color var(--transition-fast);
  }

  .visor-step__field-input:focus {
    outline: none;
    border-color: var(--color-accent);
  }

  .visor-step__field-input::placeholder {
    color: var(--color-muted);
  }

  .visor-step__field-input--error {
    border-color: var(--color-danger);
  }

  .visor-step__field-error {
    font-size: 0.7rem;
    color: var(--color-danger);
  }

  /* -- Textarea field ------------------------------------------------------- */

  .visor-step__field-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
  }

  /* -- Select field --------------------------------------------------------- */

  .visor-step__field-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: 2rem;
  }

  /* -- Checkbox / Radio ----------------------------------------------------- */

  .visor-step__field-checkbox,
  .visor-step__field-radio {
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
  }

  .visor-step__field-checkbox input,
  .visor-step__field-radio input {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent);
  }

  /* -- Color picker --------------------------------------------------------- */

  .visor-step__field-color-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .visor-step__field-color {
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    padding: 0;
  }

  .visor-step__field-color::-webkit-color-swatch {
    border: none;
    border-radius: var(--radius-md);
  }

  .visor-step__field-color-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-muted);
  }

  /* -- Date / Time ---------------------------------------------------------- */

  .visor-step__field-datetime {
    display: flex;
    gap: var(--space-sm);
  }

  .visor-step__field-date,
  .visor-step__field-time {
    flex: 1;
  }

  /* -- Tag input ------------------------------------------------------------ */

  .visor-step__field-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-height: 42px;
  }

  .visor-step__tag {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem var(--space-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-text);
  }

  .visor-step__tag-remove {
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1;
  }

  .visor-step__tag-remove:hover {
    color: var(--color-danger);
  }

  .visor-step__tag-input {
    flex: 1;
    min-width: 100px;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 0.85rem;
    outline: none;
  }

  /* -- File upload ---------------------------------------------------------- */

  .visor-step__field-file {
    position: relative;
  }

  .visor-step__file-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 1.5rem;
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
  }

  .visor-step__file-dropzone:hover,
  .visor-step__file-dropzone--drag-over {
    border-color: var(--color-accent);
    background: rgba(79, 70, 229, 0.05);
  }

  .visor-step__file-icon {
    font-size: 1.5rem;
    color: var(--color-muted);
  }

  .visor-step__file-text {
    font-size: 0.8rem;
    color: var(--color-muted);
  }

  .visor-step__file-hint {
    font-size: 0.7rem;
    color: var(--color-muted);
    opacity: 0.7;
  }

  .visor-step__file-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
  }

  .visor-step__file-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
  }

  .visor-step__file-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
  }

  .visor-step__file-name {
    flex: 1;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .visor-step__file-size {
    color: var(--color-muted);
    font-size: 0.7rem;
  }

  .visor-step__file-remove {
    background: none;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
  }

  .visor-step__file-remove:hover {
    color: var(--color-danger);
  }

  /* -- Slider --------------------------------------------------------------- */

  .visor-step__field-slider-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }

  .visor-step__field-slider {
    flex: 1;
    height: 6px;
    appearance: none;
    background: var(--color-bg);
    border-radius: 3px;
    outline: none;
  }

  .visor-step__field-slider::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
  }

  .visor-step__field-slider-value {
    min-width: 40px;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text);
  }

  /* -- JSON editor ---------------------------------------------------------- */

  .visor-step__json-editor {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .visor-step__json-textarea {
    flex: 1;
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    resize: none;
    line-height: 1.5;
  }

  .visor-step__json-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
  }

  .visor-step__json-errors {
    font-size: 0.75rem;
    color: var(--color-danger);
    padding: var(--space-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
  }

  .visor-step__json-errors:empty {
    display: none;
  }

  /* -- Chat mode ------------------------------------------------------------ */

  .visor-step__chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .visor-step__chat-welcome {
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    color: var(--color-muted);
    font-size: 0.85rem;
    text-align: center;
  }

  .visor-step__chat-message {
    display: flex;
    gap: var(--space-sm);
    max-width: 85%;
  }

  .visor-step__chat-message--user {
    align-self: flex-end;
    flex-direction: row-reverse;
  }

  .visor-step__chat-message--assistant {
    align-self: flex-start;
  }

  .visor-step__chat-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-muted);
    flex-shrink: 0;
  }

  .visor-step__chat-message--user .visor-step__chat-avatar {
    background: var(--color-accent);
    color: white;
  }

  .visor-step__chat-bubble {
    padding: var(--space-md) var(--space-lg);
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.4;
  }

  .visor-step__chat-message--user .visor-step__chat-bubble {
    background: var(--color-accent);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
  }

  .visor-step__chat-message--assistant .visor-step__chat-bubble {
    background: var(--color-surface);
    color: var(--color-text);
    border-bottom-left-radius: var(--radius-sm);
  }

  .visor-step__chat-parsed {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-muted);
    white-space: pre-wrap;
  }

  .visor-step__chat-input-area {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
  }

  .visor-step__chat-input {
    flex: 1;
    padding: 0.6rem var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-size: 0.85rem;
    resize: none;
    font-family: inherit;
  }

  .visor-step__chat-input:focus {
    outline: none;
    border-color: var(--color-accent);
  }

  .visor-step__chat-send {
    padding: 0.6rem var(--space-lg);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast);
  }

  .visor-step__chat-send:hover {
    filter: brightness(1.1);
  }

  /* -- Preview panel -------------------------------------------------------- */

  .visor-step__preview {
    display: none;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
    max-height: 200px;
  }

  .visor-step__preview.active {
    display: flex;
  }

  .visor-step__preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
  }

  .visor-step__preview-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .visor-step__preview-toggle {
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 0.75rem;
    cursor: pointer;
  }

  .visor-step__preview-content {
    flex: 1;
    overflow: auto;
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text);
    background: var(--color-bg);
  }

  /* -- Actions -------------------------------------------------------------- */

  .visor-step__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
  }

  .visor-step__actions-spacer {
    flex: 1;
  }

  .visor-step__btn {
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .visor-step__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }

  .visor-step__btn--secondary {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
  }

  .visor-step__btn--secondary:hover:not(:disabled) {
    background: var(--color-surface);
    border-color: var(--color-text);
  }

  .visor-step__btn--primary {
    background: var(--color-accent);
    border: none;
    color: white;
  }

  .visor-step__btn--primary:hover:not(:disabled) {
    filter: brightness(1.1);
  }

  /* -- Responsive ----------------------------------------------------------- */

  @media (max-width: 600px) {
    .visor-step__mode-switcher {
      justify-content: center;
    }

    .visor-step__mode-btn .visor-step__mode-label {
      display: none;
    }

    .visor-step__actions {
      flex-wrap: wrap;
    }

    .visor-step__btn {
      flex: 1;
      min-width: 80px;
    }

    .visor-step__actions-spacer {
      display: none;
    }
  }
}