:root {
  color-scheme: light dark;
  --bg: #0b1220;
  --panel: #111b2e;
  --panel-2: #15233b;
  --text: #e6edf7;
  --muted: #9fb1cf;
  --accent: #6ea8fe;
  --accent-2: #8ef0cc;
  --border: #274063;
  --code: #0a1020;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, #0b1220 0%, #0f1829 100%);
  color: var(--text);
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 18, 30, 0.94);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 10;
}

.topbar h1 { margin: 0; font-size: 1.25rem; }
.topbar p { margin: 0.3rem 0 0; color: var(--muted); font-size: 0.9rem; }

#search {
  width: min(500px, 48vw);
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--panel-2);
  color: var(--text);
}

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: calc(100vh - 74px);
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 1rem;
  background: rgba(17, 27, 46, 0.72);
  overflow: auto;
}

.sidebar h2 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: var(--accent-2);
}

.tree details { margin-left: 0.5rem; }
.tree summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  margin: 0.2rem 0;
}

.tree .file {
  display: block;
  color: var(--muted);
  text-decoration: none;
  margin: 0.18rem 0 0.18rem 1.1rem;
  border-left: 2px solid transparent;
  padding-left: 0.45rem;
}

.tree .file:hover,
.tree .file.active {
  color: var(--accent-2);
  border-left-color: var(--accent-2);
}

.content {
  padding: 1.2rem 1.4rem 2rem;
  overflow: auto;
}

.panel {
  background: rgba(21, 35, 59, 0.86);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.6rem;
  margin-top: 0.8rem;
}

.meta div {
  background: rgba(10, 16, 32, 0.8);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.45rem 0.6rem;
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

h2, h3 {
  margin: 0.2rem 0 0.7rem;
  overflow-wrap: anywhere;
  word-break: break-word;
}
p { margin-top: 0; line-height: 1.45; }
ul { margin: 0.2rem 0 0; padding-left: 1.2rem; line-height: 1.45; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, Monaco, monospace;
}

pre {
  background: var(--code);
  border: 1px solid #20324c;
  border-radius: 0.8rem;
  padding: 0.85rem;
  overflow-x: auto;
}

.code-wrap {
  background: var(--code);
  border: 1px solid #20324c;
  border-radius: 0.8rem;
  overflow: auto;
}

.code-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.code-table td {
  vertical-align: top;
  border-bottom: 1px solid rgba(39, 64, 99, 0.35);
}

.code-table tr:last-child td {
  border-bottom: none;
}

.code-table .ln {
  width: 64px;
  text-align: right;
  padding: 0.08rem 0.7rem;
  color: var(--muted);
  user-select: none;
  border-right: 1px solid rgba(39, 64, 99, 0.6);
}

.code-table .lc {
  padding: 0.08rem 0.8rem;
}

.code-table .lc code {
  display: block;
  white-space: pre;
}

.code-table .lc code.hljs {
  display: block;
  margin: 0;
  padding: 0;
  background: transparent;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  table-layout: fixed;
}

.table th, .table td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 0.45rem 0.35rem;
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.table th:first-child,
.table td:first-child {
  width: 72px;
  white-space: nowrap;
}

.badge {
  display: inline-block;
  background: rgba(110, 168, 254, 0.2);
  color: #b8d4ff;
  border: 1px solid rgba(110, 168, 254, 0.5);
  border-radius: 999px;
  padding: 0.12rem 0.52rem;
  margin: 0.1rem 0.18rem 0.1rem 0;
  font-size: 0.8rem;
}

.empty { color: var(--muted); font-style: italic; }

.ext-link {
  color: var(--accent-2);
  text-decoration: none;
}

.ext-link:hover {
  text-decoration: underline;
}

.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
}

.project-card {
  background: rgba(10, 16, 32, 0.78);
  border: 1px solid var(--border);
  border-radius: 0.7rem;
  padding: 0.75rem 0.85rem;
}

.project-card h4 {
  margin: 0 0 0.45rem;
  color: var(--accent-2);
  font-size: 0.98rem;
}

.project-card p {
  margin: 0.2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.markdown-body {
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin: 0.4rem 0 0.7rem;
}

.markdown-body p {
  margin: 0.55rem 0;
}

.markdown-body ul,
.markdown-body ol {
  margin: 0.35rem 0 0.75rem;
  padding-left: 1.25rem;
}

.markdown-body blockquote {
  margin: 0.7rem 0;
  padding: 0.1rem 0 0.1rem 0.8rem;
  border-left: 3px solid rgba(110, 168, 254, 0.55);
  color: var(--muted);
}

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.8rem 0;
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { max-height: 36vh; border-right: none; border-bottom: 1px solid var(--border); }
  #search { width: 100%; }
  .topbar { align-items: stretch; flex-direction: column; }
}