:root {
  color-scheme: dark;
  --bg: #1e1e2e;
  --bg-deep: #181825;
  --panel: #313244;
  --panel-2: #45475a;
  --border: #585b70;
  --border-soft: #6c7086;
  --text: #cdd6f4;
  --muted: #bac2de;
  --faint: #6c7086;
  --accent: #89b4fa;
  --accent-2: #b4befe;
  --accent-3: #cba6f7;
  --success: #a6e3a1;
  --danger: #f38ba8;
  --shadow: none;
  --radius: 12px;
  --radius-sm: 8px;
  font-family: 'IBM Plex Sans', 'Avenir Next', 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

pre,
code,
.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}

.app-shell {
  width: min(1480px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: none;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.brand-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
}

.brand-note-copy {
  color: var(--muted);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 9px 13px;
  color: var(--text);
  background: var(--panel-2);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: border-color 120ms ease, background 120ms ease;
}

.brand-link:hover {
  border-color: var(--accent-2);
  background: var(--panel);
}

.brand-link-disabled {
  border-color: var(--border);
  color: var(--faint);
  cursor: default;
}

.brand-link-disabled:hover {
  border-color: var(--border);
  background: var(--panel-2);
}

.brand-link-arrow {
  color: var(--accent-2);
  font-size: 16px;
  line-height: 1;
}

.searchbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: min(640px, 100%);
}

.searchbar input {
  min-width: 0;
  flex: 1;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  outline: none;
}

.searchbar input:focus {
  border-color: var(--accent);
}

.searchbar button {
  border: 1px solid var(--accent);
  background: var(--panel-2);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease;
}

.searchbar button:hover {
  border-color: var(--accent-2);
  background: var(--panel);
}

.searchbar button:active {
  transform: translateY(0);
}

.page {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: stretch;
}

.hero-main,
.hero-aside,
.panel,
.empty-state {
  border: 1px solid var(--border);
  background: var(--panel-2);
  box-shadow: none;
  border-radius: var(--radius);
}

.hero-main {
  padding: 22px;
}

.kicker {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 12px;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.title-row h2 {
  margin: 0;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.04;
  color: #f5e0dc;
}

.repo-badge,
.chip,
.stat-label,
.file-kind,
.branch-pill,
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  padding: 5px 10px;
  font-size: 12px;
  line-height: 1;
}

.repo-badge {
  color: var(--text);
  border-color: var(--accent);
  background: var(--panel);
}

.hero-copy {
  margin-top: 14px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  max-width: 80ch;
  line-height: 1.6;
}

.hero-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-aside {
  min-width: 280px;
  padding: 18px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #f0f6fc;
  line-height: 1.1;
}

.stat-name {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.sidebar,
.stack {
  display: grid;
  gap: 18px;
}

.panel {
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.panel-header h3 {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.02em;
}

.panel-body {
  padding: 16px 18px 18px;
}

.tree {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.tree-children {
  margin: 4px 0 0 14px;
  padding: 0 0 0 12px;
  border-left: 1px solid var(--border);
  display: grid;
  gap: 4px;
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.tree-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  width: 100%;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text);
  transition: border-color 120ms ease, background 120ms ease;
}

.tree-link:hover {
  background: var(--panel);
  border-color: var(--border);
}

.tree-link.active {
  background: var(--panel);
  border-color: var(--accent);
}

.tree-name {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-size,
.muted {
  color: var(--muted);
}

.commit-list {
  display: grid;
  gap: 10px;
}

.commit-item {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius-sm);
  padding: 14px 14px 13px;
  display: grid;
  gap: 8px;
  cursor: pointer;
}

.commit-item.active {
  border-color: var(--accent);
  background: var(--panel-2);
}

.commit-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.commit-subject {
  font-weight: 650;
  color: #f0f6fc;
  line-height: 1.35;
}

.commit-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.commit-sha {
  color: var(--accent-2);
}

.detail-grid {
  display: grid;
  gap: 16px;
}

.detail-header {
  display: grid;
  gap: 8px;
}

.detail-title {
  font-size: 20px;
  font-weight: 650;
  line-height: 1.3;
  color: #f0f6fc;
}

.detail-body {
  color: var(--muted);
  line-height: 1.65;
  white-space: pre-wrap;
}

.file-list {
  display: grid;
  gap: 8px;
}

.file-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.file-row .path {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-shell {
  display: grid;
  gap: 12px;
}

.preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.code-frame {
  overflow: auto;
  max-height: 620px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-deep);
}

.code-frame pre {
  margin: 0;
  padding: 16px 18px;
  color: #e6edf3;
  font-size: 13px;
  line-height: 1.65;
}

.empty-state {
  padding: 36px;
  display: grid;
  gap: 18px;
  place-items: center;
  text-align: center;
}

.empty-state h2 {
  margin: 0;
  font-size: 28px;
}

.empty-state p {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.6;
}

.empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.footer-note {
  color: var(--faint);
  font-size: 12px;
  text-align: center;
  padding: 4px 0 0;
}

.loading,
.error {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.error {
  color: #ffb4af;
}

@media (max-width: 1120px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    min-width: 0;
  }
}

@media (max-width: 780px) {
  .app-shell {
    width: min(100vw - 20px, 1480px);
    padding-top: 10px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .searchbar {
    min-width: 0;
    flex-direction: column;
    align-items: stretch;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .panel-header,
  .preview-head,
  .commit-head {
    flex-direction: column;
    align-items: start;
  }

  .file-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}