/* ============================================
   ARTIFACTS PANEL
   Document viewer for agent-generated artifacts
   Follows unified panel system (panels-unified.css)
   ============================================ */

/* Artifacts panel inherits from .panel in panels-unified.css
   No custom positioning needed — unified system handles layout */

/* Header — match settings panel style */
.artifacts-panel-header {
  padding: var(--space-4) var(--space-5);
  padding-top: calc(var(--space-4) + env(safe-area-inset-top, 0px));
  gap: var(--space-3);
  min-height: 56px;
}

.artifacts-panel-title {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.artifacts-panel-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-30);
  flex-shrink: 0;
}

.artifacts-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.artifacts-panel-refresh {
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-dim, var(--text-secondary));
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color 0.15s, background 0.15s;
}

.artifacts-panel-refresh:hover {
  color: var(--text);
  background: var(--accent-10, var(--hover));
}

/* Content */
.artifacts-panel-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Search */
.artifacts-search {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-input, var(--bg-secondary));
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.artifacts-search:focus {
  outline: none;
  border-color: var(--accent);
}

.artifacts-search::placeholder {
  color: var(--text-muted, var(--text-secondary));
}

/* List */
.artifacts-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Folder */
.artifact-folder {
  display: flex;
  flex-direction: column;
}

.artifact-folder-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background 0.15s;
  min-height: 44px;
  user-select: none;
}

.artifact-folder-header:hover {
  background: var(--white-05, var(--hover));
}

.artifact-folder-chevron {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim, var(--text-secondary));
  width: 14px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.artifact-folder-chevron svg {
  width: 14px;
  height: 14px;
}

.artifact-folder.expanded > .artifact-folder-header > .artifact-folder-chevron {
  transform: rotate(90deg);
}

.artifact-folder-icon {
  font-size: var(--text-base, 16px);
  flex-shrink: 0;
}

.artifact-folder-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  text-transform: capitalize;
  flex: 1;
}

.artifact-folder-count {
  font-size: var(--text-xs);
  color: var(--text-muted, var(--text-secondary));
  background: var(--bg-input, var(--bg-secondary));
  padding: 1px 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.artifact-folder-children {
  display: flex;
  flex-direction: column;
  margin-left: var(--space-3, 12px);
  border-left: 2px solid var(--border);
  padding-left: var(--space-2, 8px);
}

/* File item */
.artifact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  min-height: 44px;
}

.artifact-item:hover {
  background: var(--white-05, var(--hover));
  border-color: var(--accent);
}

.artifact-icon {
  font-size: var(--text-base, 16px);
  line-height: 1;
  flex-shrink: 0;
}

.artifact-info {
  flex: 1;
  min-width: 0;
}

.artifact-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.artifact-meta {
  font-size: var(--text-xs);
  color: var(--text-muted, var(--text-secondary));
  margin-top: 1px;
}

/* Empty state */
.artifacts-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8, 48px) var(--space-4, 24px);
  text-align: center;
  color: var(--text-muted, var(--text-secondary));
}

.artifacts-empty svg {
  margin-bottom: var(--space-4, 16px);
  opacity: 0.5;
}

.artifacts-empty p {
  font-size: var(--text-base, 16px);
  font-weight: 500;
  margin: 0 0 var(--space-2, 8px);
}

.artifacts-empty small {
  font-size: var(--text-sm, 13px);
  opacity: 0.7;
}

/* Error state */
.artifacts-error {
  padding: var(--space-4, 24px);
  text-align: center;
  color: var(--error);
  background: var(--error-bg, rgba(239, 68, 68, 0.1));
  border-radius: var(--radius-md);
  border: 1px solid var(--error);
}

/* Reader */
.artifacts-reader {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.artifacts-reader-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.artifacts-reader-back,
.artifacts-reader-download {
  display: flex;
  align-items: center;
  gap: var(--space-2, 6px);
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted, var(--text-secondary));
  cursor: pointer;
  padding: var(--space-2, 8px) var(--space-3, 12px);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  min-height: 44px;
}

.artifacts-reader-back:hover,
.artifacts-reader-download:hover {
  background: var(--accent-10, var(--hover));
  color: var(--text);
  border-color: var(--accent);
}

.artifacts-reader-breadcrumb {
  color: var(--text-muted, var(--text-secondary));
  font-size: var(--text-xs, 13px);
  font-weight: 400;
}

.artifacts-reader-title {
  font-size: var(--text-lg, 18px);
  font-weight: 600;
  color: var(--text);
  margin: 0;
  word-break: break-word;
}

.artifacts-reader-content {
  font-size: var(--text-sm, 14px);
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: break-word;
  /* Allow text selection within doc viewer */
  user-select: text;
  -webkit-user-select: text;
}

/* iOS/Safari: contain selection to doc viewer */
@supports (-webkit-user-select: contain) {
  .artifacts-reader-content {
    -webkit-user-select: contain;
  }
}

/* Reader content styling (markdown) */
.artifacts-reader-content h1,
.artifacts-reader-content h2,
.artifacts-reader-content h3,
.artifacts-reader-content h4 {
  margin-top: var(--space-6, 24px);
  margin-bottom: var(--space-3, 12px);
  font-weight: 600;
  line-height: 1.3;
}

.artifacts-reader-content h1 { font-size: var(--text-xl, 24px); }
.artifacts-reader-content h2 { font-size: var(--text-lg, 20px); }
.artifacts-reader-content h3 { font-size: var(--text-base, 18px); }
.artifacts-reader-content h4 { font-size: var(--text-sm, 16px); }

.artifacts-reader-content p {
  margin: 0 0 var(--space-3, 12px);
}

.artifacts-reader-content ul,
.artifacts-reader-content ol {
  margin: 0 0 var(--space-3, 12px);
  padding-left: var(--space-6, 24px);
}

.artifacts-reader-content li {
  margin-bottom: var(--space-2, 6px);
}

.artifacts-reader-content code {
  background: var(--bg-input, var(--bg-secondary));
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: var(--radius-sm, 4px);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.artifacts-reader-content pre {
  background: var(--bg-input, var(--bg-secondary));
  border: 1px solid var(--border);
  padding: var(--space-3, 12px);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0 0 var(--space-3, 12px);
}

.artifacts-reader-content pre code {
  background: none;
  border: none;
  padding: 0;
}

.artifacts-reader-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--space-4, 16px);
  margin: 0 0 var(--space-3, 12px);
  color: var(--text-muted, var(--text-secondary));
  font-style: italic;
}

.artifacts-reader-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 var(--space-3, 12px);
  font-size: var(--text-xs, 13px);
}

.artifacts-reader-content table th,
.artifacts-reader-content table td {
  border: 1px solid var(--border);
  padding: var(--space-2, 8px);
  text-align: left;
}

.artifacts-reader-content table th {
  background: var(--bg-input, var(--bg-secondary));
  font-weight: 600;
}

.artifacts-reader-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-6, 24px) 0;
}

/* HTML Preview/Source Toggle */
.artifacts-html-toggle {
  display: flex;
  gap: 4px;
  margin-bottom: var(--space-3, 12px);
  padding: 3px;
  background: var(--bg-input, var(--bg-secondary));
  border-radius: var(--radius-md);
  width: fit-content;
}

.artifacts-toggle-btn {
  padding: var(--space-2, 6px) var(--space-3, 14px);
  border: none;
  background: transparent;
  color: var(--text-muted, var(--text-secondary));
  font-size: var(--text-xs, 13px);
  font-weight: 500;
  border-radius: var(--radius-sm, 4px);
  cursor: pointer;
  transition: all 0.15s ease;
}

.artifacts-toggle-btn:hover {
  color: var(--text);
}

.artifacts-toggle-btn.active {
  background: var(--accent);
  color: #fff;
}

.artifacts-html-preview {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.artifacts-iframe {
  width: 1200px;
  min-height: 500px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
}

.artifacts-html-source pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: var(--text-xs, 12px);
  line-height: 1.6;
}

/* Deep links in chat messages */
.artifact-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--accent-10, rgba(120, 90, 255, 0.1));
  border: 1px solid var(--accent-30, rgba(120, 90, 255, 0.2));
  border-radius: var(--radius-sm, 4px);
  color: var(--accent);
  text-decoration: none;
  font-size: var(--text-xs, 13px);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.artifact-link:hover {
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

/* iOS PWA standalone safe-area fallback */
@media all and (display-mode: standalone) {
  .artifacts-panel-header {
    padding-top: calc(var(--space-4) + env(safe-area-inset-top, 44px));
  }
}

/* Mobile */
@media (max-width: 768px) {
  .artifacts-iframe {
    min-height: 400px;
  }
}