/* ── File Tree ──────────────────────────────────────────────── */

.tree-item {
  display: flex;
  align-items: center;
  padding: 3px var(--space-md);
  cursor: pointer;
  transition: background 0.08s;
  user-select: none;
  font-size: 13px;
}

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

.tree-item.selected {
  background: var(--accent-muted);
  color: var(--text-bright);
  border-left: 2px solid var(--accent);
  padding-left: calc(var(--space-md) - 2px);
}

.tree-indent {
  display: inline-block;
  width: 16px;
  flex-shrink: 0;
}

.tree-icon {
  width: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 5px;
  color: var(--text-muted);
}

.tree-icon--svg svg {
  display: block;
}

.tree-item-dir .tree-icon {
  color: var(--text-secondary);
}

.tree-item-file .tree-icon {
  opacity: 0.6;
}

.tree-item.selected .tree-icon {
  opacity: 1;
  color: var(--accent);
}

.tree-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
}

.tree-item-dir .tree-label {
  color: var(--text-secondary);
}

/* Badges — small, muted, no neon pills */
.tree-badge {
  font-size: 9px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  margin-left: auto;
  flex-shrink: 0;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  font-family: var(--font-mono);
}

.tree-badge--memory { background: rgba(176, 122, 110, 0.12); color: var(--badge-memory); }
.tree-badge--commands { background: rgba(142, 130, 173, 0.12); color: var(--badge-commands); }
.tree-badge--config { background: rgba(122, 118, 112, 0.12); color: var(--badge-config); }
.tree-badge--mcp { background: rgba(110, 148, 104, 0.12); color: var(--badge-mcp); }
.tree-badge--skill { background: rgba(94, 145, 138, 0.12); color: var(--badge-skill); }
.tree-badge--agents { background: rgba(184, 150, 94, 0.12); color: var(--badge-agents); }
.tree-badge--rules { background: rgba(168, 154, 72, 0.12); color: var(--badge-rules); }
.tree-badge--code { background: rgba(94, 130, 160, 0.12); color: var(--badge-code); }

/* Directory children — animated expand/collapse */
.tree-children {
  display: none;
  overflow: hidden;
}

.tree-children.expanded {
  display: block;
}

/* Guided children wrapper */
.tree-children-guided {
  position: relative;
}

/* Canvas for animated tree lines */
.tree-guide-canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 0;
}

/* Staggered item reveal */
.tree-children-guided > .tree-item,
.tree-children-guided > .tree-dir {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.tree-children-guided > .tree-item.tree-visible,
.tree-children-guided > .tree-dir.tree-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── Welcome Page ──────────────────────────────────────────── */

.welcome {
  max-width: 680px;
}

.welcome__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: var(--space-lg);
}

.welcome__title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-bright);
  margin-bottom: var(--space-lg);
}

/* No gradient — just the accent color, clean */
.welcome__title em {
  font-style: normal;
  color: var(--accent);
}

.welcome__subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  max-width: 520px;
}

.welcome__subtitle--secondary {
  margin-bottom: var(--space-2xl);
  font-style: italic;
  color: var(--text-muted);
}

/* Feature cards — clean list, not puffy grid */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.feature-card {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-surface);
  cursor: pointer;
  transition: background 0.1s;
}

.feature-card:hover {
  background: var(--bg-elevated);
}

.feature-card__icon {
  margin-bottom: var(--space-sm);
  color: var(--accent);
  line-height: 0;
}

.feature-card__icon svg {
  display: block;
}

.feature-card__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 2px;
  font-family: var(--font-mono);
}

.feature-card__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 600px) {
  .feature-cards {
    grid-template-columns: 1fr;
  }

  .welcome__title {
    font-size: 28px;
  }
}

/* ── File Content View ─────────────────────────────────────── */

.file-view {
  max-width: 780px;
}

.file-view__header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.file-view__badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: lowercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
}

.file-view__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.file-view__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.file-view__meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--space-sm);
  font-family: var(--font-mono);
}

.file-view__meta code {
  color: var(--text-secondary);
  background: var(--bg-elevated);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

/* Command block */
.file-view__command {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
}

.file-view__command-prompt {
  color: var(--accent);
  font-weight: 600;
}

.file-view__command-text {
  flex: 1;
  color: var(--text-primary);
}

.file-view__command-copy {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  transition: color 0.1s, border-color 0.1s;
}

.file-view__command-copy:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Related files */
.file-view__related {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

.file-view__related-title {
  font-size: 11px;
  font-weight: 500;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
}

.file-view__related-link {
  display: inline-block;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent);
  text-decoration: none;
  margin-right: var(--space-md);
  cursor: pointer;
}

.file-view__related-link:hover {
  text-decoration: underline;
  color: var(--accent-hover);
}

/* ── Code Preview ──────────────────────────────────────────── */

.code-preview {
  margin-top: var(--space-xl);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-preview__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.code-preview__copy {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  transition: color 0.1s, border-color 0.1s;
}

.code-preview__copy:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.code-preview__body {
  overflow-x: auto;
}

.code-preview__body pre {
  margin: 0;
  padding: var(--space-md);
  background: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  tab-size: 2;
}

.code-preview__body code {
  font-family: inherit;
}

/* Toggle + actions row in header */
.code-preview__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.code-preview__toggle {
  display: flex;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.code-preview__toggle-btn {
  font-size: 10px;
  padding: 2px 10px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-mono);
  transition: color 0.1s, background 0.1s;
}

.code-preview__toggle-btn:not(:last-child) {
  border-right: 1px solid var(--border-default);
}

.code-preview__toggle-btn.active {
  background: var(--accent-muted, rgba(196, 122, 80, 0.12));
  color: var(--accent);
}

.code-preview__toggle-btn:hover:not(.active) {
  color: var(--text-primary);
  background: var(--bg-hover);
}

/* Frontmatter block (YAML) */
.code-preview__rendered .md-frontmatter {
  margin-bottom: 1.2em;
}

.code-preview__rendered .md-frontmatter__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.code-preview__rendered .md-frontmatter__table {
  font-size: 12px;
}

.code-preview__rendered .md-frontmatter__comment {
  color: var(--text-muted);
  font-size: 11px;
}

/* Rendered markdown view */
.code-preview__rendered {
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-base);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-primary);
}

.code-preview__rendered .md-h {
  color: var(--text-bright);
  font-weight: 600;
  margin-top: 1.2em;
  margin-bottom: 0.4em;
}

.code-preview__rendered h1.md-h { font-size: 18px; margin-top: 0; }
.code-preview__rendered h2.md-h { font-size: 15px; }
.code-preview__rendered h3.md-h { font-size: 13px; }

.code-preview__rendered .md-p {
  margin: 0.4em 0;
}

.code-preview__rendered .md-list {
  margin: 0.4em 0;
  padding-left: 1.6em;
}

.code-preview__rendered .md-list li {
  margin: 0.15em 0;
}

.code-preview__rendered .md-inline-code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 5px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  color: var(--accent);
}

.code-preview__rendered .md-code-block {
  margin: 0.6em 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  overflow-x: auto;
  color: var(--text-secondary);
}

.code-preview__rendered .md-hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 1em 0;
}

.code-preview__rendered .md-link {
  color: var(--accent);
  text-decoration: none;
}

.code-preview__rendered .md-link:hover {
  text-decoration: underline;
}

.code-preview__rendered .md-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6em 0;
  font-size: 12px;
}

.code-preview__rendered .md-table th,
.code-preview__rendered .md-table td {
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  text-align: left;
}

.code-preview__rendered .md-table th {
  background: var(--bg-elevated);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.code-preview__rendered .md-table td {
  color: var(--text-secondary);
}

.code-preview__rendered .md-table tr:hover td {
  background: var(--bg-hover);
}

/* ── Content Typography ────────────────────────────────────── */

.content-scroll h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: var(--space-md);
}

.content-scroll h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.content-scroll p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.content-scroll ul, .content-scroll ol {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.content-scroll li {
  margin-bottom: var(--space-xs);
}

.content-scroll code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-elevated);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

.content-scroll a {
  color: var(--accent);
  text-decoration: none;
}

.content-scroll a:hover {
  text-decoration: underline;
}