/**
 * XelaSphere Artifacts Panel Styles
 * Implements design specifications from XELASPHERE_ARTIFACTS_DESIGN_SPEC.md
 */

/* ==================== */
/* ARTIFACT PANEL - MAIN CONTAINER */
/* Design spec: Deep charcoal, 45-55% viewport, rounded corners */
/* ==================== */

.artifact-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--artifact-panel-width, 50vw);
  min-width: 320px;
  max-width: 55vw;
  background: var(--background-dark, #212121);
  border-left: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--artifact-panel-radius, 12px) 0 0 var(--artifact-panel-radius, 12px);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.4);
  transform: translateX(100%);
  opacity: 0;
  transition:
    transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.25s ease;
  z-index: var(--z-fixed);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  will-change: transform, opacity;
}

.artifact-panel.is-open {
  transform: translateX(0);
  opacity: 1;
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.5);
}

.artifact-panel[aria-hidden="false"] {
  transform: translateX(0);
  opacity: 1;
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.5);
}

body.artifact-panel-open {
  margin-right: var(--artifact-panel-width, var(--panel-width-default, 480px));
  transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.artifact-panel-resizing {
  cursor: ew-resize !important;
  user-select: none;
  -webkit-user-select: none;
  margin-right: var(--artifact-panel-width, var(--panel-width-default, 480px));
  transition: none !important;
}

body.artifact-panel-resizing * {
  cursor: ew-resize !important;
  user-select: none !important;
  -webkit-user-select: none !important;
  pointer-events: none !important;
}

body.artifact-panel-resizing .artifact-panel,
body.artifact-panel-resizing .artifact-panel * {
  pointer-events: auto !important;
}

/* Main chat container push */
.page-wrapper,
.chat-container {
  transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.artifact-panel-open .page-wrapper,
body.artifact-panel-open .chat-container {
  margin-right: var(--artifact-panel-width, var(--panel-width-default, 480px));
}

body.artifact-panel-resizing .page-wrapper,
body.artifact-panel-resizing .chat-container {
  margin-right: var(--artifact-panel-width, var(--panel-width-default, 480px));
  transition: none !important;
}

/* ==================== */
/* SPLIT-VIEW LAYOUT (DESKTOP & MOBILE) */
/* ==================== */

/* Desktop: CSS Grid with dynamic resizable split */
@media (min-width: 769px) {
  body.artifact-panel-open .content-wrapper {
    display: grid !important;
    grid-template-columns: var(--artifact-split-left, 1fr) var(--artifact-split-right, 1fr);
    gap: 0;
    transition: none; /* No transition on grid to prevent lag during resize */
  }

  body.artifact-panel-open .chat-area {
    grid-column: 1;
    width: 100%;
    overflow-y: auto;
  }

  .artifact-panel {
    position: relative; /* Change from fixed */
    grid-column: 2;
    width: 100% !important;
    min-width: unset;
    max-width: unset;
    height: 100vh;
    top: 0;
    right: auto;
    transform: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    pointer-events: none;
  }

  body.artifact-panel-open .artifact-panel {
    opacity: 1;
    pointer-events: auto;
  }

  .artifact-panel.is-open {
    transform: none;
  }

  .artifact-panel[aria-hidden="false"] {
    transform: none;
  }

  /* Remove old margin approach for desktop */
  body.artifact-panel-open {
    margin-right: 0 !important;
  }

  body.artifact-panel-open .page-wrapper,
  body.artifact-panel-open .chat-container {
    margin-right: 0 !important;
  }

  /* Show resize handle in split-view and position it properly */
  body.artifact-panel-open .artifact-panel__resize-handle {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: transparent;
    cursor: ew-resize;
    z-index: 10000;
    transition: background 0.2s ease;
  }

  body.artifact-panel-open .artifact-panel__resize-handle:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  body.artifact-panel-open .artifact-panel__resize-handle:active {
    background: rgba(255, 255, 255, 0.15);
  }
}

/* Mobile: Full screen overlay when open, hidden when closed */
@media (max-width: 768px) {
  /* Hidden by default on mobile */
  .artifact-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw !important;
    height: 100vh;
    height: 100dvh;
    min-width: unset;
    max-width: unset;
    min-height: unset;
    transform: none;
    opacity: 1;
    z-index: 2000;
    border-radius: 0;
    border-left: none;
  }

  /* Show as full-screen overlay when open */
  .artifact-panel.is-open,
  body.artifact-panel-open .artifact-panel {
    display: flex;
  }

  body.artifact-panel-open .content-wrapper {
    display: flex !important;
    flex-direction: column;
  }

  .chat-area {
    order: 1;
  }

  body.artifact-panel-open {
    margin-right: 0;
    overflow: hidden; /* Prevent scroll behind modal */
  }

  body.artifact-panel-open .page-wrapper,
  body.artifact-panel-open .chat-container {
    margin-right: 0;
  }
}

/* ==================== */
/* RESIZE HANDLE */
/* ==================== */

.artifact-panel__resize-handle {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  cursor: ew-resize;
  background: transparent;
  z-index: 9999;
  user-select: none;
  -webkit-user-select: none;
  transition: background 0.2s ease;
}

.artifact-panel__resize-handle:hover {
  background: rgba(255, 255, 255, 0.08);
}

.artifact-panel__resize-handle:active {
  background: rgba(255, 255, 255, 0.15);
}

.artifact-panel.is-open .artifact-panel__resize-handle {
  pointer-events: auto;
}

/* Wider invisible hit area */
.artifact-panel__resize-handle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -8px;
  width: 22px;
  height: 100%;
  cursor: ew-resize;
}

/* Visible grip handle indicator */
.artifact-panel__resize-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 4px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  transition: background 0.2s ease, height 0.2s ease;
}

.artifact-panel__resize-handle:hover::after {
  background: rgba(255, 255, 255, 0.2);
  height: 60px;
}

.artifact-panel__resize-handle:active::after {
  background: rgba(255, 255, 255, 0.5);
  height: 80px;
}

/* ==================== */
/* HEADER - Design Spec Compliant */
/* Height: 52-60px, sticky, horizontal layout */
/* ==================== */

.artifact-panel__header {
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
  height: var(--artifact-header-height, 56px);
  min-height: 52px;
  max-height: 60px;
  padding: 0 14px;
  background: var(--background-dark, #212121);
  border-bottom: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

/* Left header group */
.artifact-panel__header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Artifact switch button - 36x36px rounded square */
.artifact-panel__switch-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  border-radius: 8px;
  color: var(--artifact-muted, rgba(255, 255, 255, 0.62));
  cursor: pointer;
  transition: all 150ms ease;
}

.artifact-panel__switch-btn:hover {
  background: var(--artifact-hover, rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
}

.artifact-panel__switch-btn:focus-visible {
  outline: 2px solid var(--artifact-accent, #3b82f6);
  outline-offset: 2px;
}

.artifact-panel__switch-btn i {
  font-size: 14px;
}

/* Right header group */
.artifact-panel__header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Header action buttons (Copy, Publish) */
.artifact-panel__header-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
  background: transparent;
  border: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  border-radius: 10px;
  cursor: pointer;
  transition: all 150ms ease;
}

.artifact-panel__header-btn:hover {
  background: var(--artifact-hover, rgba(255, 255, 255, 0.06));
  border-color: rgba(255, 255, 255, 0.15);
}

.artifact-panel__header-btn:focus-visible {
  outline: 2px solid var(--artifact-accent, #3b82f6);
  outline-offset: 2px;
}

.artifact-panel__header-btn i {
  font-size: 12px;
  color: var(--artifact-muted, rgba(255, 255, 255, 0.62));
}

/* Copy button with dropdown caret */
.artifact-panel__header-btn--copy::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--artifact-muted, rgba(255, 255, 255, 0.62));
  margin-left: 4px;
}

/* Publish button - more prominent */
.artifact-panel__header-btn--publish {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

.artifact-panel__header-btn--publish:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.20);
}

/* Close button - icon only */
.artifact-panel__close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--artifact-muted, rgba(255, 255, 255, 0.62));
  cursor: pointer;
  transition: all 150ms ease;
}

.artifact-panel__close-btn:hover {
  background: var(--artifact-hover, rgba(255, 255, 255, 0.06));
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
}

.artifact-panel__close-btn:focus-visible {
  outline: 2px solid var(--artifact-accent, #3b82f6);
  outline-offset: 2px;
}

.artifact-panel__close-btn i {
  font-size: 16px;
}

/* ==================== */
/* ARTIFACT SWITCHER DROPDOWN */
/* ==================== */

.artifact-switcher-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 14px;
  width: 320px;
  min-width: 280px;
  max-width: 340px;
  background: #121826;
  border: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  padding: 12px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 180ms ease;
}

.artifact-switcher-dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.artifact-switcher-dropdown__title {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--artifact-muted, rgba(255, 255, 255, 0.62));
  margin: 0 0 12px 0;
  padding: 0 4px;
}

.artifact-switcher-dropdown__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.artifact-switcher-dropdown__item {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 150ms ease;
}

.artifact-switcher-dropdown__item:hover {
  background: var(--artifact-hover, rgba(255, 255, 255, 0.06));
  border-color: var(--artifact-border, rgba(255, 255, 255, 0.08));
}

.artifact-switcher-dropdown__item.is-selected {
  background: var(--artifact-accent2, rgba(59, 130, 246, 0.18));
  border-color: var(--artifact-accent, #3b82f6);
}

.artifact-switcher-dropdown__item-title {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
  margin-bottom: 4px;
}

.artifact-switcher-dropdown__item-label {
  display: block;
  font-size: 12px;
  color: var(--artifact-muted2, rgba(255, 255, 255, 0.45));
}

/* Legacy status styles */
.artifact-panel__status {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.artifact-panel__status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--text-tertiary);
}

.artifact-panel__status--pending {
  color: var(--color-info-500);
}

.artifact-panel__status--pending::before {
  background: var(--color-info-500);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.artifact-panel__status--success {
  color: var(--color-success-500);
}

.artifact-panel__status--success::before {
  background: var(--color-success-500);
}

.artifact-panel__status--error {
  color: var(--color-error-500);
}

.artifact-panel__status--error::before {
  background: var(--color-error-500);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.artifact-panel__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0;
  line-height: var(--leading-tight);
}

/* Hidden metadata section */
.artifact-panel__meta.hidden {
  display: none;
}

/* ==================== */
/* TABS BAR (Below header) */
/* ==================== */

.artifact-panel__tabs {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: var(--background-dark, #212121);
  border-bottom: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  gap: 12px;
}

.artifact-panel__meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.artifact-panel__type-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  font-family: var(--font-mono);
  color: var(--color-primary-300);
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid var(--color-primary-700);
  border-radius: var(--radius-md);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.artifact-panel__version-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.artifact-panel__version-label span {
  font-weight: var(--font-medium);
}

.artifact-panel__version-label select {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-panel__version-label select:hover {
  border-color: var(--border-focus);
}

.artifact-panel__version-label select:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
  border-color: var(--border-focus);
}

.artifact-panel__header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ==================== */
/* VIEW TOGGLE TABS */
/* ==================== */

.artifact-panel__view-toggle {
  display: flex;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-1);
  gap: var(--space-1);
}

.artifact-panel__toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  position: relative;
}

.artifact-panel__toggle-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.artifact-panel__toggle-btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.artifact-panel__toggle-btn.is-active,
.artifact-panel__toggle-btn[aria-selected="true"] {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-sm);
}

.artifact-panel__toggle-btn i {
  font-size: var(--icon-xs);
}

/* ==================== */
/* TOOLBAR ACTIONS */
/* ==================== */

.artifact-panel__toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.artifact-panel__action-btn,
.artifact-panel__icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-panel__action-btn:hover,
.artifact-panel__icon-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-focus);
}

.artifact-panel__action-btn:focus-visible,
.artifact-panel__icon-btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.artifact-panel__action-btn:active,
.artifact-panel__icon-btn:active {
  transform: scale(0.95);
}

.artifact-panel__publish-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-inverse);
  background: var(--color-primary-600);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-panel__publish-btn:hover {
  background: var(--color-primary-500);
  box-shadow: var(--shadow-md);
}

.artifact-panel__publish-btn:active {
  transform: scale(0.98);
}

/* ==================== */
/* PANEL BODY */
/* ==================== */

.artifact-panel__body {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.artifact-panel__section {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  overflow: auto;
}

.artifact-panel__section.is-active {
  display: block;
}

/* ==================== */
/* PREVIEW FRAME */
/* ==================== */

.artifact-preview-frame {
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
}

.artifact-preview-frame iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--bg-primary);
}

/* ==================== */
/* CODE VIEW - Monaco/Prism-like Editor */
/* ==================== */

.artifact-code {
  display: flex;
  height: 100%;
  background: var(--background-dark, #212121);
}

/* No tree layout - full width code viewer */
.artifact-code--no-tree {
  display: flex;
  flex-direction: column;
}

.artifact-code--no-tree .artifact-code__viewer {
  width: 100%;
  flex: 1;
}

/* File Selector Dropdown */
.artifact-file-select-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 180px;
  max-width: 320px;
}

.artifact-file-select-wrapper > i {
  color: var(--artifact-muted, rgba(255, 255, 255, 0.62));
  font-size: 14px;
}

.artifact-file-select {
  flex: 1;
  padding: 8px 32px 8px 12px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 500;
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  border-radius: 8px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.6)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: all 150ms ease;
}

.artifact-file-select:hover {
  background-color: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.15);
}

.artifact-file-select:focus {
  outline: none;
  border-color: var(--artifact-accent, #3b82f6);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.artifact-file-select option {
  background: #1a1a1f;
  color: rgba(255, 255, 255, 0.92);
  padding: 8px;
}

/* Hide the old tree sidebar */
.artifact-code__tree {
  display: none;
}

.artifact-file-tree__empty {
  padding: var(--space-6);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.artifact-file-node {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-in-out);
  margin-bottom: var(--space-1);
}

.artifact-file-node:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.artifact-file-node.is-active,
.artifact-file-node[aria-selected="true"] {
  background: var(--bg-active);
  color: var(--text-primary);
  font-weight: var(--font-medium);
}

.artifact-file-node i {
  font-size: var(--icon-xs);
  color: var(--text-tertiary);
}

.artifact-file-node.folder {
  font-weight: var(--font-semibold);
}

.artifact-code__viewer {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.artifact-code__viewer-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.artifact-code__file-name {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.artifact-code__actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  align-items: center;
}

.artifact-code__action-btn,
.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  white-space: nowrap;
}

.artifact-code__action-btn:hover,
.hero-btn.ghost:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-focus);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.hero-btn.primary {
  color: var(--text-inverse);
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.hero-btn.primary:hover:not(:disabled) {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-md);
}

.hero-btn.primary:disabled,
.artifact-code__action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.artifact-code__action-btn i,
.hero-btn i {
  font-size: var(--icon-xs);
}

.artifact-code__block {
  flex: 1;
  margin: 0;
  padding: 0;
  background: var(--background-darker, #1a1a1f);
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
  /* IDE-like indentation settings */
  white-space: pre;
  tab-size: 4;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  word-wrap: normal;
  word-break: normal;
  overflow-wrap: normal;
  /* Better font rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* Thin dark scrollbars */
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.artifact-code__block::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.artifact-code__block::-webkit-scrollbar-track {
  background: transparent;
}

.artifact-code__block::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

.artifact-code__block::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

.artifact-code__block code {
  font-family: inherit;
  font-size: inherit;
  /* Preserve indentation in code elements */
  white-space: pre;
  tab-size: 4;
  -moz-tab-size: 4;
  -o-tab-size: 4;
  display: block;
  padding: 16px;
}

/* Line numbers gutter */
.artifact-code__line-numbers {
  flex-shrink: 0;
  min-width: 48px;
  padding: 16px 12px 16px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--artifact-border, rgba(255, 255, 255, 0.08));
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--artifact-muted2, rgba(255, 255, 255, 0.45));
  text-align: right;
  user-select: none;
}

/* Active line highlight */
.artifact-code__line.is-active {
  background: rgba(255, 255, 255, 0.04);
}

/* Selection highlight */
.artifact-code__block ::selection {
  background: rgba(59, 130, 246, 0.25);
}

/* ==================== */
/* PRISM/MONACO SYNTAX HIGHLIGHTING */
/* ==================== */

/* Comments */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: var(--syntax-comment, rgba(148, 163, 184, 0.75));
  font-style: italic;
}

/* Keywords */
.token.keyword,
.token.tag,
.token.boolean,
.token.constant,
.token.deleted {
  color: var(--syntax-keyword, #c084fc);
}

/* Strings */
.token.string,
.token.attr-value,
.token.char {
  color: var(--syntax-string, #fbbf24);
}

/* Numbers */
.token.number {
  color: var(--syntax-number, #2dd4bf);
}

/* Functions */
.token.function,
.token.class-name {
  color: var(--syntax-function, #60a5fa);
}

/* Types and constants */
.token.builtin,
.token.symbol {
  color: var(--syntax-type, #22d3ee);
}

/* Operators */
.token.operator,
.token.entity,
.token.url {
  color: var(--syntax-operator, #f472b6);
}

/* Punctuation */
.token.punctuation {
  color: var(--syntax-punctuation, rgba(255, 255, 255, 0.6));
}

/* Property names */
.token.property,
.token.selector {
  color: var(--syntax-type, #22d3ee);
}

/* Attribute names */
.token.attr-name {
  color: var(--syntax-function, #60a5fa);
}

/* Regex */
.token.regex {
  color: var(--syntax-string, #fbbf24);
}

/* Variables */
.token.variable {
  color: var(--artifact-text, rgba(255, 255, 255, 0.92));
}

/* Important/bold */
.token.important,
.token.bold {
  font-weight: bold;
}

/* Italic */
.token.italic {
  font-style: italic;
}

/* ==================== */
/* INFO VIEW */
/* ==================== */

.artifact-info-list {
  padding: var(--space-6);
  margin: 0;
}

.artifact-info-list dt {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.artifact-info-list dt:first-child {
  margin-top: 0;
}

.artifact-info-list dd {
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin: 0;
  padding: var(--space-2) 0;
}

/* ==================== */
/* EDITOR VIEW */
/* ==================== */

.artifact-editor {
  display: flex;
  height: 100%;
  background: var(--bg-primary);
}

.artifact-editor__tree {
  flex-shrink: 0;
  width: 240px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  overflow-y: auto;
  padding: var(--space-4);
}

.artifact-editor__viewer {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.artifact-editor__viewer-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.artifact-editor__file-name {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  font-weight: var(--font-medium);
  color: var(--text-primary);
}

.artifact-editor__actions {
  display: flex;
  gap: var(--space-2);
}

.artifact-editor__action-btn {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-inverse);
  background: var(--color-primary-600);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-editor__action-btn:hover {
  background: var(--color-primary-500);
}

.artifact-editor__action-btn--secondary {
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
}

.artifact-editor__action-btn--secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  background: var(--bg-hover);
}

.artifact-editor__textarea,
.artifact-editor__codemirror {
  flex: 1;
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--text-primary);
  background: var(--code-bg);
  border: none;
  resize: none;
  overflow: auto;
}

.artifact-editor__textarea:focus {
  outline: none;
}

/* CodeMirror override - for both edit mode and editor tab */
.artifact-editor__codemirror .CodeMirror,
#artifact-edit-codemirror .CodeMirror {
  height: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: var(--code-bg);
  color: var(--text-primary);
}

/* CodeMirror in Code tab */
#artifact-edit-codemirror {
  flex: 1;
  overflow: hidden;
}

#artifact-edit-codemirror .CodeMirror {
  border-top: 1px solid var(--border-primary);
}

/* Code viewer layout - no absolute positioning */
.artifact-code__viewer {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#artifact-code-display {
  flex: 1;
  margin: 0;
  padding: 0;
  overflow: auto;
  background: var(--code-bg);
}

#artifact-code-display .artifact-code__block {
  min-height: 100%;
  margin: 0;
  padding: var(--space-4);
  /* Ensure indentation is preserved */
  white-space: pre;
  tab-size: 4;
  -moz-tab-size: 4;
  -o-tab-size: 4;
}

#artifact-edit-codemirror {
  flex: 1;
  overflow: hidden;
  display: none;
}

#artifact-edit-codemirror .CodeMirror {
  height: 100%;
}

/* ==================== */
/* COMPOSER */
/* ==================== */

.artifact-composer {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-primary);
}

.artifact-composer__header {
  flex-shrink: 0;
  padding: var(--space-6) var(--space-6) var(--space-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.artifact-composer__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--space-2) 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.artifact-composer__subtitle {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin: 0;
}

.artifact-composer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.artifact-composer__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.artifact-composer__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
}

.artifact-composer__label i {
  color: var(--color-primary-500);
  font-size: var(--icon-sm);
}

.artifact-composer__textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-lg);
  resize: vertical;
  transition: all var(--duration-fast) var(--ease-in-out);
  line-height: var(--leading-relaxed);
}

.artifact-composer__textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.artifact-composer__textarea::placeholder {
  color: var(--text-tertiary);
}

.artifact-composer__actions {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}

.artifact-composer__submit-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-inverse);
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-500) 100%);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
  box-shadow: var(--shadow-md);
}

.artifact-composer__submit-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-400) 100%);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.artifact-composer__submit-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.artifact-composer__submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--bg-tertiary);
  color: var(--text-disabled);
  box-shadow: none;
}

.artifact-composer__submit-btn i {
  font-size: var(--icon-sm);
}

.artifact-composer__clear-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-composer__clear-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--border-focus);
}

.artifact-composer__tips {
  padding: var(--space-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-left: 3px solid var(--color-primary-500);
  border-radius: var(--radius-lg);
}

.artifact-composer__tips-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--space-3) 0;
}

.artifact-composer__tips-list {
  margin: 0;
  padding-left: var(--space-5);
  list-style-type: disc;
}

.artifact-composer__tips-list li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.artifact-composer__tips-list li:last-child {
  margin-bottom: 0;
}

.artifact-composer__progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.03) 0%, rgba(14, 165, 233, 0.08) 100%);
  border: 2px solid var(--color-primary-500);
  border-radius: var(--radius-2xl);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.15);
  animation: pulse-glow 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    border-color: var(--color-primary-500);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.15), 0 0 0 0 rgba(14, 165, 233, 0.4);
  }
  50% {
    border-color: var(--color-primary-400);
    box-shadow: 0 12px 48px rgba(14, 165, 233, 0.25), 0 0 0 8px rgba(14, 165, 233, 0.1);
  }
}

.artifact-composer__progress-icon {
  font-size: 3.5rem;
  color: var(--color-primary-500);
  margin-bottom: var(--space-5);
  animation: spin-smooth 1.5s linear infinite;
}

@keyframes spin-smooth {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.artifact-composer__progress-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0 0 var(--space-3) 0;
  letter-spacing: -0.02em;
}

.artifact-composer__progress-text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin: 0;
  font-weight: var(--font-medium);
}

/* ==================== */
/* DIFF VIEW */
/* ==================== */

.artifact-diff {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.artifact-diff__controls {
  flex-shrink: 0;
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.artifact-diff__selector {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.artifact-diff__selector label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  white-space: nowrap;
}

.artifact-diff__version-select {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-diff__version-select:hover {
  border-color: var(--border-focus);
}

.artifact-diff__mode-toggle {
  display: flex;
  gap: var(--space-2);
}

.artifact-diff__mode-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-diff__mode-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.artifact-diff__mode-btn.is-active {
  color: var(--text-inverse);
  background: var(--color-primary-600);
  border-color: var(--color-primary-600);
}

.artifact-diff__file-list {
  flex-shrink: 0;
  max-height: 200px;
  overflow-y: auto;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  padding: var(--space-2);
}

.artifact-diff__file-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-diff__file-item:hover {
  background: var(--bg-hover);
}

.artifact-diff__file-item.is-active {
  background: var(--bg-active);
  color: var(--text-primary);
}

.artifact-diff__file-item .status-badge {
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
}

.artifact-diff__file-item .status-badge.added {
  color: var(--color-success-500);
  background: var(--diff-added-bg);
}

.artifact-diff__file-item .status-badge.removed {
  color: var(--color-error-500);
  background: var(--diff-removed-bg);
}

.artifact-diff__file-item .status-badge.modified {
  color: var(--color-warning-500);
  background: var(--diff-modified-bg);
}

.artifact-diff__content {
  flex: 1;
  overflow: auto;
  background: var(--code-bg);
}

.artifact-diff__content.side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-primary);
}

.artifact-diff__content.unified {
  display: block;
}

.artifact-diff__placeholder {
  padding: var(--space-8);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

/* CodeMirror Merge View */
.artifact-diff__content .CodeMirror-merge {
  height: 100%;
}

.artifact-diff__content .CodeMirror-merge-pane {
  background: var(--code-bg);
}

.artifact-diff__content .CodeMirror-merge-gap {
  background: var(--border-primary);
}

/* ==================== */
/* IN-MESSAGE ARTIFACT PILLS - CLAUDE STYLE */
/* ==================== */
/* OLD STYLES - COMMENTED OUT - SEE BOTTOM OF FILE FOR ACTIVE STYLES */

/*
.artifact-chat-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(720px, 100%);
  padding: 14px 16px;
  margin: 12px 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(59, 130, 246, 0.55);
  box-shadow:
    inset 0 0 0 1px rgba(59, 130, 246, 0.15),
    0 10px 28px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-align: left;
}
*/

/* Active styles moved to bottom of file - line 1668+ */

/* ==================== */
/* INLINE SNIPPETS */
/* ==================== */

.artifact-inline-snippet {
  margin: var(--space-4) 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.artifact-inline-snippet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
}

.artifact-inline-snippet__header span {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.artifact-inline-snippet__copy {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-in-out);
}

.artifact-inline-snippet__copy:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.artifact-inline-snippet__code {
  margin: 0;
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  background: var(--code-bg);
  overflow-x: auto;
}

/* ==================== */
/* RESPONSIVE DESIGN */
/* ==================== */

@media (max-width: 768px) {
  .artifact-panel {
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
  }

  body.artifact-panel-open {
    margin-right: 0;
  }

  .artifact-panel__resize-handle {
    display: none;
  }

  .artifact-panel__header {
    padding: var(--space-3);
  }

  .artifact-panel__header-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .artifact-panel__view-toggle {
    overflow-x: auto;
  }

  .artifact-code__tree,
  .artifact-editor__tree {
    width: 200px;
  }
}

@media (max-width: 480px) {
  .artifact-panel__toggle-btn span {
    display: none;
  }

  .artifact-code__tree,
  .artifact-editor__tree {
    display: none;
  }

  .artifact-diff__content.side-by-side {
    grid-template-columns: 1fr;
  }
}

/* ==================== */
/* ACCESSIBILITY */
/* ==================== */

@media (prefers-reduced-motion: reduce) {
  .artifact-panel,
  .artifact-panel__resize-handle,
  .artifact-panel__toggle-btn,
  .artifact-panel__action-btn,
  .artifact-file-node,
  .artifact-chat-pill {
    transition: none;
  }

  @keyframes pulse {
    0%, 100% {
      opacity: 1;
    }
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ===========================
   PILL LAYOUT (ACTIVE STYLES)
   These styles override earlier definitions
   =========================== */

button.artifact-chat-pill {
  /* reset button-ish stuff */
  border: 0 !important;
  background: transparent;
  padding: 0;
  text-align: left !important;
  cursor: pointer !important;

  width: 100% !important;
}

/* Make the *whole button* the pill */
button.artifact-chat-pill {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;

  padding: 14px 16px !important;
  border-radius: 14px !important;

  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(59, 130, 246, 0.55) !important;
  box-shadow:
    inset 0 0 0 1px rgba(59, 130, 246, 0.15),
    0 10px 28px rgba(0, 0, 0, 0.35) !important;

  backdrop-filter: blur(10px) !important;
}

button.artifact-chat-pill:hover {
  border-color: rgba(59, 130, 246, 0.8);
  box-shadow:
    inset 0 0 0 1px rgba(59, 130, 246, 0.22),
    0 14px 34px rgba(0, 0, 0, 0.45);
}

/* The content wrapper should be a row: left header + right preview */
.artifact-chat-pill__content {
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 14px !important;
  min-width: 0 !important; /* allow ellipsis */
}

/* Left side */
.artifact-chat-pill__header {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  min-width: 0 !important;
  flex: 1 1 auto !important;
}

/* Icon */
.artifact-chat-pill__icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;

  background: rgba(139, 92, 246, 0.14); /* subtle purple-ish */
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  flex: 0 0 auto;
}

.artifact-chat-pill__icon i {
  font-size: 16px;
  opacity: 0.95;
}

/* Filename + meta */
.artifact-chat-pill__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.artifact-chat-pill__title {
  font-weight: 600;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Turn "javascript" + "v1" into "javascript • v1" on one line */
.artifact-chat-pill__meta {
  display: flex !important;
  align-items: center !important;
  flex-direction: row !important;
  gap: 6px !important;
  font-size: 12px !important;
  opacity: 0.75 !important;
  white-space: nowrap !important;
}

/* Add the dot separator */
.artifact-chat-pill__language::after {
  content: "•";
  margin-left: 6px;
  opacity: 0.8;
}

/* OLD STYLES - COMMENTED OUT - ACTIVE STYLES AT BOTTOM OF FILE */
/*
.artifact-chat-pill__preview {
  flex: 0 0 auto !important;
  width: 86px !important;
  height: 64px !important;
  border-radius: 12px !important;
  overflow: hidden !important;
  padding: 8px !important;

  background: #0f1115 !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08) !important;
  position: relative !important;
}

.artifact-chat-pill__preview pre,
.artifact-chat-pill__preview code {
  margin: 0;
  padding: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 9px;
  line-height: 1.4;
  color: #e4e4e7;
  white-space: pre;
  overflow: hidden;
}

.artifact-chat-pill__preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0.0));
  pointer-events: none;
}

@media (max-width: 520px) {
  .artifact-chat-pill__preview {
    width: 80px !important;
    height: 60px !important;
  }
}
*/
/* ACTIVE PREVIEW STYLES ARE AT THE BOTTOM OF THIS FILE (line 1691+) */

/* ===========================
   FORCE WIDTH OVERRIDES
   =========================== */

/* Fix parent container that holds the pill - keep flex layout for pagination/edit button */
.message-bubble-footer {
  width: 100% !important;
  max-width: none !important;
  display: flex !important;
  flex-wrap: wrap !important;
  justify-content: flex-start !important; /* Align pill to start of message */
  gap: 8px !important;
}

/* For user messages, align controls to the right */
.message.user-message .message-bubble-footer {
  justify-content: flex-end !important;
}

/* FORCE the pill to be wide - match message width */
button.artifact-chat-pill {
  display: flex !important;
  width: 100% !important;
  max-width: 100% !important;   /* Full width of message area */
  min-width: 0 !important;
  align-items: center !important;
  justify-content: space-between !important;
  order: 0 !important; /* Pill appears before pagination/edit button */
  flex-basis: 100% !important; /* Take full row width */
  margin: 0 !important; /* No centering - align with message */
}

/* Edit button (pen) appears first, then pagination */
.message-bubble-footer .edit-button {
  flex-basis: auto !important;
  order: 1 !important;
}

.message-bubble-footer .inline-page-controls {
  flex-basis: auto !important;
  order: 2 !important;
}

/* Make sure inner wrapper doesn't shrink the button */
.artifact-chat-pill__content {
  width: 100% !important;
  min-width: 0 !important;
}

/* Match the "flatter" pill proportions and finalize sizing */
button.artifact-chat-pill {
  padding: 12px 14px !important;
  border-radius: 16px !important;
  max-width: 100% !important;   /* Full message width */
}

.artifact-chat-pill__preview {
  /* Size and layout */
  flex: 0 0 auto !important;
  width: 90px !important;
  height: 64px !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  position: relative !important;

  /* Black window appearance */
  background: #0f1115 !important;
  border-radius: 12px !important;
  overflow: hidden !important;

  /* Optical diagonal alignment - micro-offset + shadow bias */
  transform: translateY(2px) translateX(1px) !important;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 8px 16px rgba(0, 0, 0, 0.7),
    0 2px 4px rgba(0, 0, 0, 0.4) !important;
}

/* Optimized preview code display for best readability and optical centering */
.artifact-chat-pill__preview pre {
  margin: 0 !important;
  padding: 7px 6px !important;
  font-family: 'SF Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !important;
  font-size: 7px !important;
  line-height: 1.5 !important;
  color: #d1d5db !important;
  white-space: pre !important;
  overflow: hidden !important;
  position: relative !important;
  z-index: 10 !important;
  height: 100% !important;
  width: 100% !important;
  display: flex !important;
  align-items: flex-start !important;
  letter-spacing: 0.01em !important;
  font-weight: 400 !important;
}

.artifact-chat-pill__preview code {
  display: block !important;
  background: none !important;
  padding: 0 !important;
  color: #d1d5db !important;
  font-size: 7px !important;
  line-height: 1.5 !important;
  font-family: inherit !important;
  letter-spacing: inherit !important;
}

/* Symmetric gradient fade - balanced visual weight */
.artifact-chat-pill__preview::after {
  content: "" !important;
  position: absolute !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  height: 25% !important;
  background: linear-gradient(to top, rgba(15, 17, 21, 0.5), rgba(15, 17, 21, 0)) !important;
  pointer-events: none !important;
  z-index: 5 !important;
}

/* Mobile responsive */
@media (max-width: 520px) {
  .artifact-chat-pill__preview {
    width: 80px !important;
    height: 60px !important;
  }
}

/* ===========================
   FINAL SUPER AGGRESSIVE DIAGONAL OVERRIDE
   This MUST be the last rule in the file
   =========================== */
button.artifact-chat-pill .artifact-chat-pill__preview,
.artifact-chat-pill .artifact-chat-pill__preview,
.message-bubble-footer .artifact-chat-pill__preview {
  /* Dramatic clockwise rotation */
  transform: rotate(6deg) translateY(-1px) translateX(2px) !important;
  transform-origin: center center !important;

  /* Even stronger shadow depth for dramatic 3D effect */
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.15),
    0 16px 32px rgba(0, 0, 0, 0.9),
    0 6px 12px rgba(0, 0, 0, 0.6),
    -3px -3px 10px rgba(0, 0, 0, 0.3) !important;

  background: #0f1115 !important;
  border-radius: 8px !important;
  overflow: visible !important;
}

/* Ensure parent doesn't clip the shadow and rotation */
button.artifact-chat-pill,
.artifact-chat-pill {
  overflow: visible !important;
}

/* ==================== */
/* CLAUDE-STYLE UI OVERHAUL */
/* Clean minimal design: title+close header, pill tabs, bottom action bar */
/* ==================== */

/* --- Header: minimal title + close --- */
.artifact-panel__header {
  height: 48px;
  min-height: 48px;
  max-height: 48px;
  padding: 0 12px 0 16px;
  background: transparent;
  border-bottom: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.artifact-panel__header-left,
.artifact-panel__header-right {
  display: none; /* Remove old header groups */
}

.artifact-panel__title {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0;
  clip: unset;
  width: auto;
  height: auto;
  position: static;
}

/* Remove sr-only from title */
.artifact-panel__title.sr-only {
  clip: unset !important;
  width: auto !important;
  height: auto !important;
  position: static !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  text-overflow: ellipsis !important;
}

.artifact-panel__close-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 120ms ease;
  flex-shrink: 0;
  padding: 0;
}

.artifact-panel__close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
}

.artifact-panel__close-btn svg {
  width: 16px;
  height: 16px;
}

.artifact-panel__close-btn i {
  font-size: 14px;
}

/* --- Pill Tab Toggle --- */
.artifact-panel__tab-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 16px 10px;
  flex-shrink: 0;
}

.artifact-panel__tab-toggle > .artifact-panel__tab-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 150ms ease;
  border-radius: 9999px;
  white-space: nowrap;
}

.artifact-panel__tab-toggle > .artifact-panel__tab-btn:first-child {
  border-radius: 9999px 0 0 9999px;
}

.artifact-panel__tab-toggle > .artifact-panel__tab-btn:last-child {
  border-radius: 0 9999px 9999px 0;
}

/* Pill background behind both buttons */
.artifact-panel__tab-toggle {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 9999px;
  padding: 3px;
  width: fit-content;
  margin: 6px auto 10px;
  gap: 0;
}

.artifact-panel__tab-toggle > .artifact-panel__tab-btn:hover {
  color: rgba(255, 255, 255, 0.7);
}

.artifact-panel__tab-toggle > .artifact-panel__tab-btn.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  border-radius: 9999px;
}

/* --- Hide old tabs nav --- */
.artifact-panel__tabs {
  display: none !important;
}

/* --- Panel Body --- */
.artifact-panel__body {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* --- Preview section: full-bleed iframe --- */
.artifact-preview-frame {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

.artifact-preview-frame iframe,
#artifact-preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--background-dark, #212121);
}

/* --- Bottom Action Bar --- */
.artifact-panel__footer {
  flex-shrink: 0;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: transparent;
}

.artifact-panel__footer-left {
  display: flex;
  align-items: center;
}

.artifact-panel__footer-right {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* Version selector in footer */
.artifact-panel__version-select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  font-family: inherit;
  padding: 3px 24px 3px 8px;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='rgba(255,255,255,0.5)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  transition: all 120ms ease;
}

.artifact-panel__version-select:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.artifact-panel__version-select:focus {
  border-color: rgba(99, 102, 241, 0.5);
}

/* Footer icon buttons */
.artifact-panel__footer-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all 120ms ease;
  padding: 0;
  font-size: 12px;
}

.artifact-panel__footer-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.8);
}

.artifact-panel__footer-btn:active {
  background: rgba(255, 255, 255, 0.12);
}

.artifact-panel__footer-btn i {
  font-size: 13px;
}

/* --- Resize handle: thinner, subtler --- */
.artifact-panel__resize-handle {
  width: 4px;
}

.artifact-panel__resize-handle:hover {
  background: rgba(99, 102, 241, 0.3);
}

.artifact-panel__resize-handle:active {
  background: rgba(99, 102, 241, 0.5);
}

.artifact-panel__resize-handle::after {
  width: 3px;
  height: 32px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 1.5px;
}

.artifact-panel__resize-handle:hover::after {
  background: rgba(99, 102, 241, 0.5);
  height: 48px;
}

/* --- Mobile footer adjustments --- */
@media (max-width: 768px) {
  .artifact-panel__footer {
    padding: 0 16px;
    height: 44px;
  }

  .artifact-panel__footer-btn {
    width: 32px;
    height: 32px;
  }

  .artifact-panel__tab-toggle {
    margin: 4px auto 8px;
  }
}