:root {
  --bg: #0d0d0d;
  --sidebar-bg: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1c1c1c;
  --bg-card-active: #1e1e2e;
  --border: #242424;
  --border-hover: #333;
  --text: #e2e2e2;
  --text-muted: #888;
  --text-dim: #444;
  --accent: #f0f0f0;
  --green: #22c55e;
  --yellow: #eab308;
  --blue: #60a5fa;
  --purple: #c084fc;
  --orange: #fb923c;
  --pink: #f472b6;
  --sidebar-width: 224px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
  min-height: 100vh; display: flex; font-size: 14px;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width); min-height: 100vh;
  background: var(--sidebar-bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 10;
  overflow-y: auto;
}
.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo-text {
  font-size: 0.9rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent);
}
.sidebar-logo-sub { font-size: 0.68rem; color: var(--text-dim); margin-top: 3px; }
.sidebar-nav { padding: 12px 10px; flex: 1; }
.nav-group { margin-top: 20px; }
.nav-group:first-child { margin-top: 4px; }
.nav-label {
  font-size: 0.6rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 0 10px; margin-bottom: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px; border-radius: 6px;
  font-size: 0.82rem; color: var(--text-muted);
  text-decoration: none; cursor: pointer;
  transition: background 0.1s, color 0.1s;
  user-select: none;
}
.nav-item:hover { background: var(--bg-card); color: var(--text); }
.nav-item.active { background: #1a1a2a; color: var(--accent); }
.nav-item-icon { font-size: 0.9rem; width: 18px; text-align: center; flex-shrink: 0; }
.nav-sub { margin: 2px 0 6px 10px; border-left: 1px solid var(--border); padding-left: 4px; }
.nav-sub-item {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 10px; border-radius: 5px;
  font-size: 0.78rem; color: var(--text-dim);
  text-decoration: none; cursor: pointer;
  transition: background 0.1s, color 0.1s;
  user-select: none;
}
.nav-sub-item:hover { background: var(--bg-card); color: var(--text-muted); }
.nav-sub-item.active { color: var(--accent); background: #161620; }
.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.66rem; color: var(--text-dim);
}

/* ── Main ── */
.main { margin-left: var(--sidebar-width); flex: 1; padding: 40px 44px 80px; min-height: 100vh; max-width: 1200px; }

/* Page header */
.page-header { margin-bottom: 36px; }
.page-header-inner {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.page-title { font-size: 1.25rem; font-weight: 700; color: var(--accent); margin-bottom: 5px; }
.page-desc { font-size: 0.8rem; color: var(--text-muted); }

/* Section */
.section { margin-bottom: 44px; }
.section-label {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}

/* Cards Grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px;
  text-decoration: none; color: inherit;
  display: block; cursor: pointer;
  transition: background 0.12s, border-color 0.12s, transform 0.1s;
}
.card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); transform: translateY(-1px); }
.card.agent { border-color: #1e1e2e; background: #0f0f1a; }
.card.agent:hover { background: #131324; border-color: #2a2a40; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 12px; }
.card-icon { font-size: 1.3rem; line-height: 1; }
.status-dot { display: flex; align-items: center; gap: 5px; font-size: 0.7rem; color: var(--text-muted); }
.dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.dot.live  { background: var(--green); box-shadow: 0 0 5px var(--green); }
.dot.dev   { background: var(--yellow); }
.dot.local { background: var(--text-dim); }
.dot.plan  { background: var(--blue); }
.card-title { font-size: 0.95rem; font-weight: 600; color: var(--accent); margin-bottom: 4px; }
.card-subtitle { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 10px; font-family: 'SF Mono', monospace; }
.card-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.65; }
.card-tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 5px; }
.tag { font-size: 0.65rem; font-weight: 500; padding: 2px 7px; border-radius: 4px; border: 1px solid var(--border); color: var(--text-muted); }
.tag.green  { border-color: #14532d; color: var(--green); }
.tag.blue   { border-color: #1e3a5f; color: var(--blue); }
.tag.purple { border-color: #3b0764; color: var(--purple); }
.tag.orange { border-color: #7c2d12; color: var(--orange); }
.tag.yellow { border-color: #713f12; color: var(--yellow); }
.legend { display: flex; align-items: center; gap: 20px; font-size: 0.72rem; color: var(--text-dim); margin-bottom: 24px; }
.legend-item { display: flex; align-items: center; gap: 6px; }

/* ── Detail View ── */
.detail-view { display: none; }
.detail-view.active { display: block; }
.detail-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: var(--text-muted); cursor: pointer;
  margin-bottom: 28px; padding: 6px 12px; border-radius: 6px;
  border: 1px solid var(--border);
  transition: background 0.12s, color 0.12s;
}
.detail-back:hover { background: var(--bg-card); color: var(--text); }
.detail-icon { font-size: 2.2rem; margin-bottom: 10px; }
.detail-title { font-size: 1.5rem; font-weight: 700; color: var(--accent); margin-bottom: 6px; }
.detail-subtitle { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 14px; font-family: 'SF Mono', monospace; }
.detail-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; color: var(--text-muted);
  border: 1px solid var(--border); padding: 3px 10px;
  border-radius: 20px; margin-bottom: 14px;
}
.detail-url-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: #0f1f0f; border: 1px solid #14532d; color: var(--green);
  font-size: 0.8rem; font-weight: 500; padding: 9px 16px;
  border-radius: 8px; text-decoration: none;
  transition: background 0.12s; margin-top: 4px;
}
.detail-url-btn:hover { background: #142814; }
.detail-body { max-width: 740px; margin-top: 28px; }
.detail-section { margin-bottom: 28px; }
.detail-section-title {
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.detail-text { font-size: 0.83rem; color: var(--text-muted); line-height: 1.8; }
.detail-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.detail-table th { text-align: left; padding: 7px 12px; color: var(--text-dim); font-weight: 500; border-bottom: 1px solid var(--border); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; }
.detail-table td { padding: 10px 12px; color: var(--text-muted); border-bottom: 1px solid #1a1a1a; vertical-align: top; }
.detail-table tr:last-child td { border-bottom: none; }
.detail-table td:first-child { color: var(--text); font-weight: 500; white-space: nowrap; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.82rem; color: var(--text-muted); line-height: 1.65; }
.feature-list li::before { content: '—'; color: var(--text-dim); flex-shrink: 0; }

/* ── Skills Page ── */
.skill-group { margin-bottom: 36px; }
.skill-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.skill-table th { text-align: left; padding: 9px 14px; color: var(--text-dim); font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; border-bottom: 1px solid var(--border); background: #141414; }
.skill-table td { padding: 11px 14px; font-size: 0.81rem; border-bottom: 1px solid #1a1a1a; vertical-align: top; color: var(--text-muted); }
.skill-table tr:last-child td { border-bottom: none; }
.skill-table td:first-child { color: var(--accent); font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.78rem; white-space: nowrap; width: 220px; }
.skill-badge { display: inline-block; font-size: 0.6rem; padding: 1px 6px; border-radius: 4px; border: 1px solid var(--border); color: var(--text-dim); margin-left: 5px; font-family: sans-serif; vertical-align: middle; }
.skill-badge.custom { border-color: #1e3a5f; color: var(--blue); }
.skill-badge.plugin { border-color: #3b0764; color: var(--purple); }
.skill-badge.mcp { border-color: #14532d; color: var(--green); }

/* ── Files Page ── */
.files-layout {
  display: grid; grid-template-columns: 264px 1fr;
  min-height: calc(100vh - 180px); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
}
.file-tree { background: var(--sidebar-bg); border-right: 1px solid var(--border); overflow-y: auto; padding: 10px 0; }
.tree-item { display: flex; align-items: center; gap: 6px; padding: 5px 14px; cursor: pointer; font-size: 0.78rem; color: var(--text-muted); transition: background 0.1s, color 0.1s; user-select: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tree-item:hover { background: var(--bg-card); color: var(--text); }
.tree-item.active { background: #1a1a2a; color: var(--accent); }
.tree-item.dir { color: var(--text); font-weight: 500; }
.tree-item.dir:hover { color: var(--accent); }
.tree-toggle { font-size: 0.6rem; color: var(--text-dim); width: 12px; flex-shrink: 0; }
.tree-icon { flex-shrink: 0; font-size: 0.82rem; }
.tree-name { overflow: hidden; text-overflow: ellipsis; }
.tree-children { display: none; }
.tree-children.open { display: block; }
.file-preview { background: var(--bg); overflow-y: auto; padding: 28px 32px; }
.file-preview-empty { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--text-dim); font-size: 0.82rem; }
.file-preview-header { margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.file-preview-path { font-size: 0.68rem; color: var(--text-dim); font-family: monospace; margin-bottom: 7px; }
.file-preview-title { font-size: 0.95rem; font-weight: 600; color: var(--accent); }
.file-preview-meta { font-size: 0.68rem; color: var(--text-dim); margin-top: 5px; }

/* Markdown */
.md-content { font-size: 0.83rem; line-height: 1.85; color: var(--text-muted); max-width: 720px; }
.md-content h1 { font-size: 1.25rem; font-weight: 700; color: var(--accent); margin: 0 0 18px; }
.md-content h2 { font-size: 1rem; font-weight: 600; color: var(--text); margin: 26px 0 12px; padding-bottom: 7px; border-bottom: 1px solid var(--border); }
.md-content h3 { font-size: 0.9rem; font-weight: 600; color: var(--text); margin: 18px 0 9px; }
.md-content h4 { font-size: 0.83rem; font-weight: 600; color: var(--text-muted); margin: 14px 0 7px; }
.md-content p { margin-bottom: 11px; }
.md-content ul, .md-content ol { margin: 0 0 11px 18px; }
.md-content li { margin-bottom: 4px; }
.md-content code { background: #1c1c1c; border: 1px solid var(--border); padding: 1px 5px; border-radius: 3px; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 0.77rem; color: var(--orange); }
.md-content pre { background: #121212; border: 1px solid var(--border); border-radius: 7px; padding: 14px; overflow-x: auto; margin-bottom: 14px; }
.md-content pre code { background: none; border: none; padding: 0; color: var(--text-muted); font-size: 0.76rem; }
.md-content table { width: 100%; border-collapse: collapse; margin-bottom: 14px; font-size: 0.8rem; }
.md-content th { text-align: left; padding: 7px 11px; background: #141414; border: 1px solid var(--border); color: var(--text); font-weight: 600; font-size: 0.72rem; }
.md-content td { padding: 7px 11px; border: 1px solid #1e1e1e; }
.md-content blockquote { border-left: 2px solid #333; margin: 0 0 12px; padding: 6px 14px; color: var(--text-dim); }
.md-content a { color: var(--blue); text-decoration: none; }
.md-content a:hover { text-decoration: underline; }
.md-content hr { border: none; border-top: 1px solid var(--border); margin: 18px 0; }
.md-content strong { color: var(--text); font-weight: 600; }

/* Placeholder */
.placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 80px 24px; text-align: center; border: 1px dashed var(--border); border-radius: 12px; color: var(--text-dim); gap: 10px; }
.placeholder-icon { font-size: 2.2rem; opacity: 0.35; }
.placeholder-title { font-size: 0.88rem; font-weight: 600; color: var(--text-muted); }
.placeholder-desc { font-size: 0.78rem; line-height: 1.65; max-width: 300px; }

/* ── Me Page ── */
.me-header {
  display: flex; align-items: center; gap: 24px;
  margin-bottom: 40px; padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.me-photo {
  width: 88px; height: 88px; border-radius: 50%;
  border: 2px solid var(--border); overflow: hidden; flex-shrink: 0;
  background: var(--bg-card); display: flex; align-items: center; justify-content: center;
}
.me-photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-placeholder { text-align: center; color: var(--text-dim); font-size: 0.6rem; line-height: 1.6; padding: 8px; }
.photo-placeholder-icon { font-size: 1.6rem; opacity: 0.25; display: block; margin-bottom: 3px; }
.me-name { font-size: 1.5rem; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.me-role { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 7px; }
.me-tagline { font-size: 0.78rem; color: var(--text-dim); font-style: italic; }

.me-tabs { display: flex; gap: 2px; margin-bottom: 28px; border-bottom: 1px solid var(--border); padding-bottom: 0; flex-wrap: wrap; }
.me-tab {
  padding: 8px 16px; font-size: 0.78rem; color: var(--text-dim);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
  margin-bottom: -1px; user-select: none;
}
.me-tab:hover { color: var(--text-muted); }
.me-tab.active { color: var(--accent); border-bottom-color: var(--blue); }

.me-panel { display: none; }
.me-panel.active { display: block; }

.me-card {
  border: 1px solid var(--border); border-radius: 8px;
  margin-bottom: 8px; overflow: hidden;
}
.me-card-title {
  padding: 11px 16px; font-size: 0.82rem; font-weight: 500;
  color: var(--text); cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  background: var(--bg-card); transition: background 0.1s;
  user-select: none;
}
.me-card-title:hover { background: var(--bg-card-hover); }
.me-card-toggle { font-size: 0.6rem; color: var(--text-dim); transition: transform 0.15s; }
.me-card-title.open .me-card-toggle { transform: rotate(90deg); }
.me-card-body { display: none; padding: 18px 20px; border-top: 1px solid var(--border); }
.me-card-body.open { display: block; }

/* Coaching session card */
.coaching-card {
  border: 1px solid #1e2a1e; border-radius: 10px;
  background: #0f150f; margin-bottom: 16px; overflow: hidden;
}
.coaching-card-header {
  padding: 14px 18px; display: flex; justify-content: space-between;
  align-items: center; cursor: pointer;
  transition: background 0.1s; user-select: none;
}
.coaching-card-header:hover { background: #131a13; }
.coaching-date { font-size: 0.7rem; color: var(--green); font-family: monospace; }
.coaching-summary { font-size: 0.82rem; color: var(--text-muted); margin-top: 3px; }
.coaching-toggle { font-size: 0.6rem; color: var(--text-dim); transition: transform 0.15s; flex-shrink: 0; }
.coaching-card-header.open .coaching-toggle { transform: rotate(90deg); }
.coaching-card-body { display: none; padding: 18px 20px; border-top: 1px solid #1e2a1e; }
.coaching-card-body.open { display: block; }