/* ═══════════════════════════════════════════════════════
   Prompt Builder — Visual Template Editor Modal
   Uses design system variables from theme.css
   ═══════════════════════════════════════════════════════ */

/* ── Modal override for wider layout ── */
.prompt-builder-overlay .folder-modal {
  width: 960px;
  max-width: 94vw;
  max-height: 88vh;
  min-height: 500px;
}

/* ── Header: template selector + name + key ── */
.prompt-builder-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}
.pb-selector-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pb-selector-label {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--dim);
  white-space: nowrap;
}
.pb-template-select {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 5px 8px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}
.pb-template-select:focus {
  border-color: var(--ai-glow);
}
.pb-name-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.pb-name-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 10px;
  border-radius: 3px;
  outline: none;
  transition: border-color 0.2s;
}
.pb-name-input:focus {
  border-color: var(--ai-glow);
}
.pb-name-input::placeholder {
  color: var(--dim);
  font-weight: 400;
}
.pb-key-badge {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 3px;
  white-space: nowrap;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Body: two-column layout ── */
.prompt-builder-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

/* ── Left column: draggable sections ── */
.prompt-builder-sections {
  flex: 0 0 60%;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-right: 1px solid var(--border);
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.prompt-builder-sections::-webkit-scrollbar { width: 4px; }
.prompt-builder-sections::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ── Right column: live preview ── */
.prompt-builder-preview {
  flex: 0 0 40%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}
.pb-preview-label {
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  padding: 12px 14px 6px;
  flex-shrink: 0;
}
.pb-preview-output {
  flex: 1;
  overflow-y: auto;
  padding: 8px 14px 12px;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--muted);
  white-space: pre-wrap;
  word-break: break-word;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.pb-preview-output::-webkit-scrollbar { width: 4px; }
.pb-preview-output::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}
.pb-preview-output.has-content {
  color: var(--text);
}
.pb-sample-input {
  background: var(--surface);
  border: none;
  border-top: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.5;
  padding: 10px 14px;
  resize: none;
  outline: none;
  min-height: 72px;
  flex-shrink: 0;
}
.pb-sample-input::placeholder {
  color: var(--dim);
  font-size: 0.65rem;
}

/* ── Section card ── */
.pb-section-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: box-shadow 0.2s, opacity 0.2s, transform 0.15s;
  user-select: none;
}
.pb-section-card:hover {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ai-glow) 20%, transparent);
}
.pb-section-card.dragging {
  opacity: 0.5;
  transform: scale(0.98);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.pb-section-card.drag-over {
  border-color: var(--ai-glow);
  box-shadow: 0 0 0 1px var(--ai-glow), 0 0 12px color-mix(in srgb, var(--ai-glow) 15%, transparent);
}

/* Card header */
.pb-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  transition: background 0.15s;
}
.pb-card-header:hover {
  background: var(--panel);
}

.pb-drag-handle {
  font-size: 0.85rem;
  color: var(--dim);
  cursor: grab;
  flex-shrink: 0;
  line-height: 1;
  padding: 0 2px;
  user-select: none;
}
.pb-drag-handle:active {
  cursor: grabbing;
}

.pb-section-title {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ai-glow);
  flex: 1;
}

.pb-collapse-toggle {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--dim);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 4px;
  transition: transform 0.2s, color 0.2s;
  line-height: 1;
}
.pb-collapse-toggle:hover {
  color: var(--text);
}
.pb-collapse-toggle.collapsed {
  transform: rotate(-90deg);
}

/* Card content */
.pb-card-content {
  padding: 0 10px 10px;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
}
.pb-card-content.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* Textareas inside cards */
.pb-section-card textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.55;
  padding: 8px 10px;
  border-radius: 3px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  min-height: 64px;
}
.pb-section-card textarea:focus {
  border-color: var(--ai-glow);
}
.pb-section-card textarea::placeholder {
  color: var(--dim);
}

/* ── Few-shot examples ── */
.pb-examples-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pb-example-pair {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px;
  position: relative;
}
.pb-example-pair-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.pb-example-label {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dim);
}
.pb-remove-example {
  background: none;
  border: none;
  color: var(--dim);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.15s;
}
.pb-remove-example:hover {
  color: var(--danger);
}

.pb-example-pair textarea {
  min-height: 40px;
}
.pb-example-field {
  margin-bottom: 6px;
}
.pb-example-field:last-child {
  margin-bottom: 0;
}
.pb-example-field-label {
  font-family: var(--mono);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 3px;
  display: block;
}

.pb-add-example {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  background: none;
  border: 1px dashed var(--border);
  padding: 6px 12px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.15s;
  width: 100%;
  margin-top: 4px;
}
.pb-add-example:hover {
  border-color: var(--ai-glow);
  color: var(--ai-glow);
}

/* ── Sliders ── */
.pb-slider-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.pb-slider-group:last-child {
  margin-bottom: 0;
}
.pb-slider-label {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 90px;
  flex-shrink: 0;
}
.pb-slider-group input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.pb-slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ai-glow);
  border: 2px solid var(--bg);
  cursor: pointer;
  transition: box-shadow 0.15s;
}
.pb-slider-group input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 6px color-mix(in srgb, var(--ai-glow) 40%, transparent);
}
.pb-slider-group input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ai-glow);
  border: 2px solid var(--bg);
  cursor: pointer;
}
.pb-slider-value {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--ai-glow);
  min-width: 36px;
  text-align: right;
}

/* ── Footer: action buttons ── */
.prompt-builder-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
}
.pb-btn {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 7px 18px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
}
.pb-btn:hover {
  border-color: var(--muted);
  color: var(--text);
}
.pb-btn-test {
  border-color: var(--accent2);
  color: var(--accent2);
}
.pb-btn-test:hover {
  background: color-mix(in srgb, var(--accent2) 10%, transparent);
  color: var(--accent2);
}
.pb-btn-test.testing {
  animation: aiPulse 1.5s ease-in-out infinite;
}
.pb-btn-save {
  border-color: var(--ai-glow);
  color: var(--ai-glow);
}
.pb-btn-save:hover {
  background: color-mix(in srgb, var(--ai-glow) 10%, transparent);
  color: var(--ai-glow);
}

/* ── Loading spinner in preview ── */
.pb-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ai-glow);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}
.pb-loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ai-glow);
  animation: pulse 1.2s ease-in-out infinite;
}