/* ============================================
   Preview Panel — toolbar, iframe, console
   ============================================ */

/* --- Panel container --- */
.preview-pane {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  min-width: 0;
  flex: 1;
}

.preview-pane.active {
  display: flex;
}

/* --- Toolbar --- */
.preview-toolbar {
  height: 36px;
  display: flex;
  flex-direction: row;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background: var(--sidebar-bg);
  flex-shrink: 0;
  padding: 0 10px;
  gap: 8px;
}

/* Close button */
.preview-close-btn {
  font-size: 14px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 2px;
  transition: color .12s;
}
.preview-close-btn:hover { color: var(--text-primary); }

/* URL bar */
.preview-url-bar {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  max-width: 240px;
  background: var(--chat-bg);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-primary);
  padding: 3px 8px;
}

.preview-url-bar:focus {
  outline: none;
  border-color: var(--accent-color);
}

/* Viewport buttons */
.preview-viewport-btns {
  display: flex;
  flex-direction: row;
  gap: 2px;
}

.preview-viewport-btns button {
  font-size: 13px;
  padding: 3px 7px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}

.preview-viewport-btns button.active {
  background: rgba(184, 151, 90, 0.15);
  color: var(--accent-color);
}

/* Refresh button */
.preview-refresh-btn {
  border: 1px solid rgba(184, 151, 90, 0.3);
  background: rgba(184, 151, 90, 0.1);
  color: var(--accent-color);
  font-size: 13px;
  padding: 3px 8px;
  cursor: pointer;
  border-radius: 3px;
}

.preview-refresh-btn:hover {
  background: rgba(184, 151, 90, 0.2);
}

/* Pause button */
.preview-pause-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}

.preview-pause-btn.paused {
  color: var(--accent-color);
}

/* Loading dot */
.preview-loading-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-color);
  border-radius: 50%;
  display: none;
  animation: preview-pulse 1.4s ease-in-out infinite;
}

.preview-loading-dot.active {
  display: block;
}

@keyframes preview-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --- iframe area --- */
.preview-frame-container {
  flex: 1;
  margin: 8px;
  background: var(--chat-bg);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.preview-frame-container iframe {
  border: none;
  background: white;
  border-radius: 4px;
  width: 100%;
  height: 100%;
  transition: width 0.2s ease;
}

.preview-frame-container.mobile iframe {
  width: 375px;
  box-shadow: 0 0 0 1px var(--border-color);
}

/* --- Empty state --- */
.preview-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 13px;
}

.preview-empty-state .icon {
  font-size: 32px;
  opacity: 0.3;
}

/* --- Console panel --- */
.preview-console {
  margin: 0 8px 8px;
  background: var(--chat-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  flex-shrink: 0;
}

.preview-console-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 5px 10px;
  cursor: pointer;
  gap: 6px;
  border-bottom: 1px solid transparent;
}

.preview-console-header.expanded {
  border-bottom-color: var(--border-color);
}

.preview-console-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.preview-console-badge {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 8px;
}

.preview-console-badge.errors {
  background: rgba(224, 85, 85, 0.15);
  color: #e05555;
}

.preview-console-badge.warnings {
  background: rgba(232, 160, 32, 0.15);
  color: #e8a020;
}

.preview-console-chevron {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.preview-console-header.expanded .preview-console-chevron {
  transform: rotate(180deg);
}

.preview-console-clear {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  color: var(--text-secondary);
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.preview-console:hover .preview-console-clear {
  opacity: 1;
}

.preview-console-clear:hover {
  color: var(--accent-color);
}

.preview-console-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.preview-console-body.expanded {
  max-height: 200px;
  overflow-y: auto;
}

.preview-console-entry {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 6px;
  padding: 3px 10px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.preview-console-entry .icon {
  flex-shrink: 0;
}

.preview-console-entry.error .icon,
.preview-console-entry.error .text {
  color: #e05555;
}

.preview-console-entry.warn .icon,
.preview-console-entry.warn .text {
  color: #e8a020;
}

.preview-console-entry.network .icon,
.preview-console-entry.network .text {
  color: #e05555;
}

.preview-console-entry.mock .icon { color: var(--accent-color); }
.preview-console-entry.mock .text { color: var(--accent-color); }

.preview-console-entry .source {
  margin-left: auto;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* --- Mobile --- */
@media (max-width: 768px) {
  .preview-url-bar {
    display: none;
  }

  .preview-toolbar {
    padding: 0 6px;
    gap: 4px;
  }

  .preview-frame-container {
    margin: 4px;
  }

  .preview-console {
    margin: 0 4px 4px;
  }
}