/* assets/workflow-builder.css
 *
 * Sprint 3: Linear Workflow Builder UI.
 *
 * Uses the existing token system from assets/ddt-tokens.css + styles.css
 * (--bg-panel, --border-soft, --primary, etc.) so the builder picks up
 * light + dark themes automatically.
 */

.wb-root {
  display: grid;
  gap: 16px;
}

.wb-section {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
}

.wb-section + .wb-section {
  margin-top: 0;
}

.wb-section h2 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.wb-section .wb-section-help {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

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

.wb-header-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
  gap: 12px 16px;
  align-items: start;
}

@media (max-width: 720px) {
  .wb-header-grid { grid-template-columns: 1fr; }
}

.wb-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wb-field label,
.wb-config-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.wb-field input[type="text"],
.wb-field input[type="search"],
.wb-field textarea,
.wb-config-field input[type="text"],
.wb-config-field input[type="number"],
.wb-config-field select,
.wb-config-field textarea {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.95rem;
  color: var(--text);
  width: 100%;
  font-family: inherit;
}

.wb-field textarea,
.wb-config-field textarea {
  min-height: 80px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
}

#wbInputText {
  min-height: 140px;
}

.wb-status-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 12px;
}

.wb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
}

.wb-status-pill[data-state="unsaved"]     { background: color-mix(in srgb, var(--warning) 14%, transparent); color: var(--warning); border-color: color-mix(in srgb, var(--warning) 35%, transparent); }
.wb-status-pill[data-state="saved"]       { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.wb-status-pill[data-state="invalid"]     { background: color-mix(in srgb, var(--danger) 14%, transparent);  color: var(--danger);  border-color: color-mix(in srgb, var(--danger) 35%, transparent); }
.wb-status-pill[data-state="running"]     { background: color-mix(in srgb, var(--info) 14%, transparent);    color: var(--info);    border-color: color-mix(in srgb, var(--info) 35%, transparent); }
.wb-status-pill[data-state="success"]     { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); border-color: color-mix(in srgb, var(--success) 35%, transparent); }
.wb-status-pill[data-state="failed"]      { background: color-mix(in srgb, var(--danger) 14%, transparent);  color: var(--danger);  border-color: color-mix(in srgb, var(--danger) 35%, transparent); }

.wb-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.wb-btn {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 7px 12px;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.wb-btn:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border-soft));
  color: var(--primary);
}

.wb-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.wb-btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.wb-btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.wb-btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
}

.wb-btn-danger {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--border-soft));
  color: var(--danger);
}

.wb-btn-danger:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }

.wb-btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.wb-btn-ghost:hover {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

/* -- Input section ---------------------------------------------------- */

.wb-input-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.wb-input-controls select {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 6px 8px;
  color: var(--text);
}

.wb-privacy-note {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
}

/* -- Steps list ------------------------------------------------------- */

.wb-steps-empty {
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-xl);
  padding: 22px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.wb-step {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  padding: 14px 16px;
  margin-top: 10px;
  box-shadow: var(--shadow-soft);
}

.wb-step + .wb-step { margin-top: 12px; }

.wb-step[data-status="running"]          { border-color: color-mix(in srgb, var(--info) 60%, var(--border-soft)); }
.wb-step[data-status="success"]          { border-color: color-mix(in srgb, var(--success) 45%, var(--border-soft)); }
.wb-step[data-status="failed"]           { border-color: color-mix(in srgb, var(--danger) 55%, var(--border-soft)); }
.wb-step[data-status="blocked"]          { border-color: color-mix(in srgb, var(--warning) 55%, var(--border-soft)); }
.wb-step[data-status="manual_required"],
.wb-step[data-status="handoff_required"] { border-color: color-mix(in srgb, var(--warning) 55%, var(--border-soft)); }

.wb-step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
}

.wb-step-id {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
}

.wb-step-title {
  font-weight: 600;
  color: var(--text);
}

.wb-step-tool-id {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.wb-step-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 6px;
}

.wb-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-size: 0.72rem;
}

.wb-step-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.wb-step-status-line {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.wb-step-status-line .wb-status-chip {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  margin-right: 6px;
}

.wb-status-chip[data-state="pending"]            { background: color-mix(in srgb, var(--muted) 14%, transparent); color: var(--muted); }
.wb-status-chip[data-state="running"]            { background: color-mix(in srgb, var(--info) 16%, transparent); color: var(--info); }
.wb-status-chip[data-state="success"]            { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.wb-status-chip[data-state="failed"]             { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.wb-status-chip[data-state="blocked"]            { background: color-mix(in srgb, var(--warning) 16%, transparent); color: var(--warning); }
.wb-status-chip[data-state="manual_required"],
.wb-status-chip[data-state="handoff_required"]   { background: color-mix(in srgb, var(--warning) 16%, transparent); color: var(--warning); }
.wb-status-chip[data-state="cancelled"],
.wb-status-chip[data-state="skipped"]            { background: color-mix(in srgb, var(--muted) 16%, transparent); color: var(--muted); }

.wb-step-details {
  margin-top: 10px;
  border-top: 1px dashed var(--border-soft);
  padding-top: 10px;
  display: grid;
  gap: 8px;
}

.wb-preview {
  background: color-mix(in srgb, var(--bg-panel) 92%, var(--text) 8%);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 8px 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.wb-error-list,
.wb-warning-list {
  margin: 4px 0 0;
  padding-left: 18px;
  font-size: 0.82rem;
}

.wb-error-list li { color: var(--danger); }
.wb-warning-list li { color: var(--warning); }

/* -- Add step picker -------------------------------------------------- */

.wb-picker {
  display: none;
  margin-top: 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  background: var(--bg-panel);
  padding: 14px 16px;
}

.wb-picker[data-open="true"] { display: block; }

.wb-picker-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.wb-picker-search {
  flex: 1 1 220px;
  min-width: 0;
}

.wb-picker-group {
  margin-top: 12px;
}

.wb-picker-group h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 6px;
}

.wb-picker-list {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.wb-picker-item {
  text-align: left;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wb-picker-item:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border-soft));
  background: color-mix(in srgb, var(--primary-soft) 60%, transparent);
}

.wb-picker-item strong { font-size: 0.92rem; }

.wb-picker-item .wb-picker-desc {
  font-size: 0.78rem;
  color: var(--muted);
}

.wb-picker-item .wb-picker-meta {
  font-size: 0.7rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* -- Config panel ----------------------------------------------------- */

.wb-config-panel {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px dashed var(--border-soft);
  border-radius: 12px;
  background: color-mix(in srgb, var(--primary-soft) 30%, transparent);
}

.wb-step[data-config-open="true"] .wb-config-panel { display: block; }

.wb-config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px 14px;
}

.wb-config-field { display: flex; flex-direction: column; gap: 4px; }

.wb-config-field .wb-config-help {
  font-size: 0.72rem;
  color: var(--muted);
}

.wb-config-empty {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.wb-config-summary {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-word;
}

/* -- Run results ------------------------------------------------------ */

#wbRunResults .wb-section-help { margin-bottom: 8px; }

#wbFinalOutput {
  background: color-mix(in srgb, var(--bg-panel) 92%, var(--text) 8%);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  max-height: 300px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.wb-final-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* -- Saved workflows list -------------------------------------------- */

.wb-saved-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.wb-saved-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--bg-panel);
}

.wb-saved-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.wb-saved-actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* -- Toast / aria-live ------------------------------------------------ */

.wb-toast {
  position: fixed;
  inset-block-end: 18px;
  inset-inline-end: 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 10px 14px;
  box-shadow: var(--shadow-soft);
  font-size: 0.88rem;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 60;
}

.wb-toast[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

.wb-toast[data-tone="success"] { border-color: color-mix(in srgb, var(--success) 40%, var(--border-soft)); }
.wb-toast[data-tone="error"]   { border-color: color-mix(in srgb, var(--danger) 40%, var(--border-soft)); }

/* -- Validation summary ---------------------------------------------- */

.wb-validation-list {
  margin: 0;
  padding-left: 18px;
  color: var(--danger);
  font-size: 0.85rem;
}

.wb-validation-list:empty { display: none; }