:root {
  --bg: #ffffff; --fg: #1b1f24; --muted: #5b6570; --line: #e1e4e8; --panel: #f6f8fa;
  --accent: #1f5fbf; --accent-fg: #ffffff; --danger: #c62828; --ok: #2e7d32; --warn: #b26a00;
  --radius: 6px; --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --fg: #e6e8eb; --muted: #8b949e; --line: #2a3139; --panel: #171c22; --accent: #4f8ee8; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 var(--font); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
#top { display: flex; align-items: center; gap: 16px; padding: 0 16px; height: 48px; border-bottom: 1px solid var(--line); background: var(--panel); position: sticky; top: 0; z-index: 2; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--fg); }
.brand img { border-radius: 5px; }
#nav { display: flex; gap: 14px; margin-left: auto; align-items: center; }
#nav a { color: var(--fg); }
#main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.35rem; margin: 8px 0 12px; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 0.88em; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spread { justify-content: space-between; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 10px 0; }
button, .btn { font: inherit; padding: 6px 12px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel); color: var(--fg); cursor: pointer; }
button:hover, .btn:hover { border-color: var(--accent); text-decoration: none; }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
button.danger { color: var(--danger); }
button:disabled { opacity: 0.5; cursor: default; }
button.link { border: 0; background: none; color: var(--accent); padding: 2px 4px; }
button.link:hover { text-decoration: underline; }
input, select, textarea { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); color: var(--fg); }
input[type=checkbox] { width: auto; }
label { display: block; margin: 8px 0 4px; font-size: 0.9em; color: var(--muted); }
form.card, .card { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; background: var(--panel); margin: 10px 0; }
form.inline { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
form.inline label { margin: 0; }
form.inline > div { display: flex; flex-direction: column; gap: 4px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 0.88em; }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
tr.entry:hover { background: var(--panel); }
tr.selected { background: color-mix(in srgb, var(--accent) 12%, transparent); }
td .actions { white-space: nowrap; }
.crumbs { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; font-size: 1.05em; }
.crumbs .sep { color: var(--muted); }
.icon { display: inline-block; width: 1.3em; text-align: center; margin-right: 4px; }
.banner { padding: 10px 14px; border-radius: var(--radius); margin: 10px 0; border: 1px solid var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.banner.info { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.drop { border: 2px dashed transparent; border-radius: var(--radius); }
.drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.empty { padding: 30px; text-align: center; color: var(--muted); }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 5; }
.toast { padding: 10px 14px; border-radius: var(--radius); background: var(--fg); color: var(--bg); box-shadow: 0 4px 16px rgba(0,0,0,.25); max-width: 380px; }
.toast.error { background: var(--danger); color: #fff; }
.progress { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); transition: width .2s; }
.uploads { margin: 8px 0; }
.uploads .item { display: grid; grid-template-columns: 1fr 90px; gap: 8px; align-items: center; padding: 4px 0; }
.preview { margin: 12px 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.preview img, .preview video { max-width: 100%; display: block; margin: 0 auto; max-height: 70vh; }
.preview iframe { width: 100%; height: 70vh; border: 0; background: #fff; }
.preview pre { margin: 0; padding: 12px; max-height: 70vh; overflow: auto; font-family: var(--mono); font-size: 0.85em; white-space: pre-wrap; }
.login { max-width: 360px; margin: 60px auto; }
.login input { width: 100%; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 0.8em; border: 1px solid var(--line); color: var(--muted); }
.tag.added { color: var(--ok); } .tag.removed { color: var(--danger); } .tag.modified { color: var(--warn); } .tag.renamed { color: var(--accent); }
.commit { padding: 10px 0; border-bottom: 1px solid var(--line); }
.commit .msg { font-weight: 500; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 8px 0 14px; }
.tabs a { padding: 8px 12px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.active { color: var(--fg); border-color: var(--accent); }
.tabs a:hover { text-decoration: none; color: var(--fg); }
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); color: var(--fg); padding: 18px; min-width: 320px; }
dialog::backdrop { background: rgba(0,0,0,.4); }
.linkbox { display: flex; gap: 6px; } .linkbox input { flex: 1; font-family: var(--mono); font-size: 0.85em; }
@media (max-width: 640px) { #main { padding: 10px; } .hide-sm { display: none; } button, .btn { min-height: 36px; } }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-fg); padding: 8px 12px; border-radius: var(--radius); z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }