/* Playground - Three Column Layout */

.pg-container .blora-button { font: inherit; }
.pg-container blora-select { display: block; width: 100%; }
.pg-history-panel, .pg-settings-panel, .pg-history-detail-panel { color-scheme: light dark; }
.pg-history-modal::part(panel) { min-height: min(70vh, 680px); }
.pg-history-modal-body { min-height: 120px; }
.pg-history-modal-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pg-history-modal-header h3 { margin: 0; }
.pg-history-modal .pg-modal-close { flex: 0 0 auto; }


/* ============================================
   Container
   ============================================ */
.pg-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-base);
}

/* ============================================
   Mobile Bar
   ============================================ */
.pg-mobile-bar {
  display: none;
}

/* ============================================
   Overlay
   ============================================ */
.pg-overlay {
  display: none;
}

/* ============================================
   History Panel (Left)
   ============================================ */
.pg-history-panel {
  width: 260px;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.pg-history-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.pg-history-header-top {
  margin-bottom: 10px;
}

.pg-back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 8px;
  transition: all 0.15s;
}

.pg-back-link:hover {
  color: var(--brand-blue);
  background: var(--accent);
  text-decoration: none;
}

.pg-history-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pg-history-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-foreground);
}

.pg-history-new-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--foreground);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.pg-history-new-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.pg-history-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.pg-history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  color: var(--muted-foreground);
  font-size: 13px;
  text-align: center;
}

.pg-history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.12s;
  position: relative;
}

.pg-history-item:hover {
  background: var(--accent);
}

.pg-history-item.active {
  background: var(--accent);
}

.pg-history-item-icon {
  flex-shrink: 0;
  color: var(--muted-foreground);
}

.pg-history-item-info {
  flex: 1;
  min-width: 0;
}

.pg-history-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pg-history-item-date {
  font-size: 11px;
  color: var(--muted-foreground);
  margin-top: 2px;
}

.pg-history-item-actions {
  display: none;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.pg-history-item:hover .pg-history-item-actions {
  display: flex;
}

.pg-history-item-actions button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.12s;
}

.pg-history-item-actions button:hover {
  background: var(--muted);
  color: var(--foreground);
}

.pg-history-item-actions button.delete-btn:hover {
  color: var(--destructive);
  background: rgba(239, 68, 68, 0.1);
}

.pg-history-item-actions button.rename-btn:hover {
  color: var(--brand-blue);
}

/* Rename input */
.pg-rename-input {
  flex: 1;
  min-width: 0;
  height: 28px;
  padding: 0 8px;
  background: var(--background);
  border: 1px solid var(--ring);
  border-radius: 6px;
  color: var(--foreground);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

/* ============================================
   Main Chat Area (Center)
   ============================================ */
.pg-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ============================================
   Messages
   ============================================ */
.pg-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pg-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--muted-foreground);
}

.pg-welcome h2 {
  font-size: 32px;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 8px;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.pg-welcome p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted-foreground);
}

/* ============================================
   Message Bubble
   ============================================ */
.pg-msg {
  display: flex;
  gap: 12px;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  animation: pgFadeIn 0.2s ease;
}

@keyframes pgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.pg-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.pg-msg.user .pg-msg-avatar {
  background: var(--primary);
  color: var(--primary-foreground);
}

.pg-msg.assistant .pg-msg-avatar {
  background: var(--muted);
  color: var(--muted-foreground);
}

.pg-msg-avatar-icon {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
}

.pg-msg-body {
  flex: 1;
  min-width: 0;
}

.pg-msg-role {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pg-msg-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--foreground);
  word-break: break-word;
}

.pg-msg-meta {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.pg-msg-content pre {
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  overflow-x: auto;
  margin: 8px 0;
  font-size: 13px;
  line-height: 1.6;
}

.pg-msg-content code {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 13px;
}

.pg-msg-content p {
  margin: 4px 0;
}

.pg-msg-content p:first-child {
  margin-top: 0;
}

.pg-msg-content p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Input Area
   ============================================ */
.pg-input-area {
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.pg-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  width: 100%;
  max-width: 800px;
  background: var(--card);
  border: 1px solid var(--input);
  border-radius: 16px;
  padding: 8px 12px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.pg-input-wrapper:focus-within {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

#pgInput {
  flex: 1;
  border: none;
  background: none;
  color: var(--foreground);
  font-size: 15px;
  font-family: inherit;
  line-height: 1.5;
  resize: none;
  outline: none;
  max-height: 200px;
  min-height: 24px;
  padding: 4px 0;
}

#pgInput::placeholder {
  color: var(--muted-foreground);
}

.pg-input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 800px;
}

.pg-balance-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--brand-blue);
  background: var(--muted);
  padding: 3px 10px;
  border-radius: 20px;
}

/* ============================================
   Send Button
   ============================================ */
.pg-send-btn {
  width: 36px;
  height: 36px;
  border-radius: 13px;
  border: none;
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
  box-shadow: var(--shadow-button);
}

.pg-send-btn:hover {
  opacity: 0.9;
}

.pg-send-btn:active {
  transform: scale(0.95);
}

.pg-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pg-stop-btn {
  background: var(--destructive);
  box-shadow: none;
}

.pg-stop-btn:hover {
  background: #dc2626;
}

/* ============================================
   Clear Button
   ============================================ */
.pg-clear-btn {
  background: none;
  border: none;
  color: var(--muted-foreground);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: all 0.15s;
}

.pg-clear-btn:hover {
  color: var(--destructive);
  background: rgba(239, 68, 68, 0.1);
}

/* ============================================
   Typing Animation
   ============================================ */
.pg-typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.pg-typing span {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
  background: var(--muted-foreground);
  animation: pgTyping 1.2s infinite;
}

.pg-typing span:nth-child(2) { animation-delay: 0.2s; }
.pg-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pgTyping {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
  30% { opacity: 1; transform: scale(1); }
}

/* ============================================
   Error Message
   ============================================ */
.pg-msg-error {
  color: var(--destructive);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
}

/* ============================================
   Thinking Block
   ============================================ */
.pg-thinking {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.pg-thinking-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--muted);
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  color: var(--muted-foreground);
  transition: background 0.15s;
}

.pg-thinking-toggle:hover {
  background: var(--accent);
}

.pg-thinking-icon {
  transition: transform 0.2s;
  flex-shrink: 0;
}

.pg-thinking-expanded .pg-thinking-icon {
  transform: rotate(180deg);
}

.pg-thinking-status {
  margin-left: auto;
  font-size: 11px;
  opacity: 0.7;
}

.pg-thinking-content {
  display: none;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted-foreground);
  background: var(--background);
  border-top: 1px solid var(--border);
  max-height: 400px;
  overflow-y: auto;
}

.pg-thinking-expanded .pg-thinking-content {
  display: block;
}

.pg-thinking-content pre {
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  overflow-x: auto;
  font-size: 12px;
  margin: 4px 0;
}

.pg-thinking-content code {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
}

.pg-response-content {
  margin-top: 8px;
}

/* ============================================
   Settings Panel (Right)
   ============================================ */
.pg-settings-panel {
  width: 260px;
  background: var(--card);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.pg-settings-scroll {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pg-setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pg-setting-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted-foreground);
  letter-spacing: -0.02em;
}

.pg-setting-group select,
.pg-setting-group input[type="number"],
.pg-setting-group textarea {
  width: 100%;
  padding: 8px 12px;
  background: var(--background);
  border: 1px solid var(--input);
  border-radius: 13px;
  color: var(--foreground);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  box-shadow: var(--shadow-input);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.pg-setting-group select:focus,
.pg-setting-group input:focus,
.pg-setting-group textarea:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

.pg-setting-group textarea {
  resize: vertical;
  min-height: 60px;
}

.pg-setting-group input[type="range"] {
  width: 100%;
  accent-color: var(--brand-blue);
}

.pg-settings-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pg-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.pg-stat span:first-child {
  color: var(--muted-foreground);
}

.pg-stat span:last-child {
  font-weight: 600;
  color: var(--foreground);
}

/* ============================================
   Responsive - Mobile
   ============================================ */
@media (max-width: 1024px) {
  .pg-settings-panel {
    display: none;
  }
}

@media (max-width: 834px) {
  .pg-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 44px;
    padding: 0 12px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    position: relative;
    z-index: 100;
  }

  .pg-mobile-back {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--muted-foreground);
    text-decoration: none;
    border-radius: 13px;
    transition: all 0.15s;
  }

  .pg-mobile-back:hover {
    background: var(--accent);
    color: var(--foreground);
    text-decoration: none;
  }

  .pg-mobile-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--foreground);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    letter-spacing: -0.025em;
  }

  .pg-mobile-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    color: var(--muted-foreground);
    cursor: pointer;
    border-radius: 13px;
    transition: all 0.15s;
  }

  .pg-mobile-menu:hover {
    background: var(--accent);
    color: var(--foreground);
  }

  .pg-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 200;
    backdrop-filter: blur(2px);
  }

  .pg-overlay.active {
    display: block;
  }

  .pg-container {
    flex-direction: column;
  }

  .pg-history-panel {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    z-index: 300;
    transition: left 0.25s ease;
    box-shadow: none;
    background: var(--card);
  }

  .pg-history-panel.open {
    left: 0;
    box-shadow: var(--shadow-dialog);
  }

  .pg-main {
    flex: 1;
    min-height: 0;
  }

  .pg-messages {
    padding: 16px;
  }

  .pg-input-area {
    padding: 8px 16px 12px;
  }
}

/* ============================================
   Context Menu
   ============================================ */
.pg-context-menu {
  display: none;
  position: fixed;
  z-index: 9999;
  min-width: 180px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  animation: pgCtxIn 0.12s ease;
}

@keyframes pgCtxIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.pg-context-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--foreground);
  cursor: pointer;
  transition: background 0.1s;
  user-select: none;
}

.pg-context-menu-item:hover {
  background: var(--accent);
}

.pg-context-menu-item svg {
  flex-shrink: 0;
  color: var(--muted-foreground);
}

.pg-context-menu-danger {
  color: var(--destructive);
}

.pg-context-menu-danger svg {
  color: var(--destructive);
}

.pg-context-menu-danger:hover {
  background: rgba(239, 68, 68, 0.1);
}

.pg-context-menu-separator {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}

/* ============================================
   Reply Bar
   ============================================ */
.pg-reply-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 800px;
  margin: 0 auto 4px;
  padding: 8px 14px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  color: var(--muted-foreground);
  animation: pgFadeIn 0.15s ease;
}

.pg-reply-bar svg {
  flex-shrink: 0;
  color: var(--brand-blue);
}

.pg-reply-preview {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pg-reply-cancel {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--muted-foreground);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.12s;
}

.pg-reply-cancel:hover {
  background: var(--background);
  color: var(--foreground);
}

/* ============================================
   Toast
   ============================================ */
.pg-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--foreground);
  color: var(--background);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.pg-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   Improved Markdown in Messages
   ============================================ */
.pg-msg-content h1 {
  font-size: 1.4em;
  font-weight: 700;
  margin: 12px 0 6px;
  line-height: 1.3;
}

.pg-msg-content h2 {
  font-size: 1.2em;
  font-weight: 600;
  margin: 10px 0 4px;
  line-height: 1.3;
}

.pg-msg-content h3 {
  font-size: 1.05em;
  font-weight: 600;
  margin: 8px 0 4px;
  line-height: 1.4;
}

.pg-msg-content ul,
.pg-msg-content ol {
  padding-left: 20px;
  margin: 6px 0;
}

.pg-msg-content li {
  margin: 2px 0;
  line-height: 1.6;
}

.pg-msg-content blockquote {
  border-left: 3px solid var(--brand-blue);
  padding: 4px 12px;
  margin: 8px 0;
  color: var(--muted-foreground);
  background: var(--muted);
  border-radius: 0 8px 8px 0;
}

.pg-msg-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.pg-msg-content a {
  color: var(--brand-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.pg-msg-content a:hover {
  opacity: 0.8;
}

.pg-msg-content del {
  opacity: 0.6;
}

.pg-msg-content pre {
  position: relative;
}

.pg-msg-content pre code {
  display: block;
  white-space: pre;
}

.pg-msg-content :not(pre) > code {
  background: var(--muted);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 0.9em;
}

/* ============================================
   Thinking Controls
   ============================================ */
.pg-thinking-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pg-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 36px;
  height: 20px;
  flex-shrink: 0;
}

.pg-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.pg-toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 20px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

.pg-toggle-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--muted-foreground, #94a3b8);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.pg-toggle input:checked + .pg-toggle-slider {
  background: var(--brand-blue, #3b82f6);
  border-color: transparent;
  box-shadow: none;
}

.pg-toggle input:checked + .pg-toggle-slider:before {
  transform: translateY(-50%) translateX(16px);
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.pg-toggle:active .pg-toggle-slider:before {
  width: 16px;
}

.pg-toggle:has(input:checked):active .pg-toggle-slider:before {
  transform: translateY(-50%) translateX(14px);
}

.pg-toggle:hover .pg-toggle-slider {
  border-color: rgba(255, 255, 255, 0.15);
}

.pg-toggle:has(input:checked):hover .pg-toggle-slider {
  border-color: transparent;
  background: #2563eb;
}

.pg-toggle input:focus-visible + .pg-toggle-slider {
  box-shadow: 0 0 0 2px var(--brand-blue, #3b82f6), 0 0 0 4px rgba(59, 130, 246, 0.25);
}

.pg-toggle input:disabled + .pg-toggle-slider {
  opacity: 0.4;
  cursor: not-allowed;
}

.pg-thinking-label {
  font-size: 13px;
  color: var(--muted-foreground);
}

/* ============================================
   History Detail Panel (Right, replaces settings)
   ============================================ */
.pg-history-detail-panel {
  width: 360px;
  background: var(--card);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.pg-history-detail-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pg-history-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--foreground);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.pg-history-back-btn:hover {
  background: var(--accent);
}

.pg-history-detail-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted-foreground);
}

.pg-history-detail-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.pg-history-detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--muted-foreground);
  font-size: 13px;
  text-align: center;
}

.pg-history-item {
  padding: 12px;
  margin-bottom: 8px;
  background: var(--muted);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
}

.pg-history-item:hover {
  background: var(--accent);
  border-color: var(--border);
}

.pg-history-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.pg-history-item-model {
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  font-family: monospace;
}

.pg-history-item-time {
  font-size: 11px;
  color: var(--muted-foreground);
}

.pg-history-item-stats {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--muted-foreground);
}

.pg-history-item-stats span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.pg-history-item-preview {
  font-size: 12px;
  color: var(--muted-foreground);
  margin-top: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pg-history-item-thinking-badge {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  margin-left: 6px;
}

/* History Toggle Button */
.pg-history-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px 12px;
  margin-top: 8px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--foreground);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.pg-history-toggle-btn:hover {
  background: var(--accent);
}

/* ============================================
   History Modal
   ============================================ */
.pg-history-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pg-history-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
}

.pg-history-modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
  max-height: 85vh;
  background: var(--card);
  border-radius: 16px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.pg-history-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.pg-history-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
}

.pg-modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.15s;
}

.pg-modal-close:hover {
  background: var(--accent);
  color: var(--foreground);
}

.pg-history-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

.pg-detail-section {
  margin-bottom: 20px;
}

.pg-detail-section-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.pg-detail-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.pg-detail-stat {
  padding: 10px 12px;
  background: var(--muted);
  border-radius: 8px;
}

.pg-detail-stat-label {
  font-size: 11px;
  color: var(--muted-foreground);
  margin-bottom: 4px;
}

.pg-detail-stat-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
  font-family: monospace;
}

.pg-detail-messages {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pg-detail-msg {
  padding: 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}

.pg-detail-msg.user {
  background: rgba(59, 130, 246, 0.1);
  border-left: 3px solid #3b82f6;
}

.pg-detail-msg.assistant {
  background: var(--muted);
  border-left: 3px solid #10b981;
}

.pg-detail-msg.reasoning {
  background: rgba(168, 85, 247, 0.1);
  border-left: 3px solid #a855f7;
  font-style: italic;
}

.pg-detail-msg-role {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.pg-detail-msg-content {
  white-space: pre-wrap;
  word-break: break-word;
}

.pg-detail-params {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pg-detail-param {
  padding: 4px 10px;
  background: var(--muted);
  border-radius: 6px;
  font-size: 12px;
  font-family: monospace;
  color: var(--foreground);
}

.pg-detail-param-label {
  color: var(--muted-foreground);
}