:root { --bg:#f4f5f7; --card:#fff; --line:#e1e4e8; --text:#1f2328; --muted:#6a737d; --accent:#1a56a8; --danger:#b42318; --ok:#1a7f37; }
* { box-sizing:border-box; }
body { margin:0; font:14px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; background:var(--bg); color:var(--text); }
a { color:var(--accent); }
header.top { background:#1f2328; color:#fff; padding:0 24px; display:flex; align-items:center; gap:24px; height:52px; }
header.top .brand { font-weight:700; letter-spacing:.3px; display:flex; flex-direction:column; justify-content:center; line-height:1.2; }
header.top .brand small { display:block; font-weight:400; font-size:10px; letter-spacing:.3px; color:#9aa6b2; margin-top:1px; }
header.top nav a { color:#cfd6dd; text-decoration:none; margin-right:18px; padding:16px 0; display:inline-block; border-bottom:2px solid transparent; }
header.top nav a.active, header.top nav a:hover { color:#fff; border-bottom-color:#fff; }
header.top form { margin-left:auto; }
main { max-width:1100px; margin:24px auto; padding:0 16px; }
footer.bottom { max-width:1100px; margin:32px auto 24px; padding:14px 16px 0; border-top:1px solid var(--line); color:var(--muted); font-size:12px; text-align:center; }
footer.bottom a { color:var(--muted); text-decoration:none; }
footer.bottom a:hover { color:var(--accent); text-decoration:underline; }
h1 { font-size:20px; margin:0 0 16px; }
h2 { font-size:15px; margin:24px 0 8px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:8px; padding:20px; margin-bottom:20px; }
.msg { background:#e6f4ea; border:1px solid #b7e1c1; color:#0f5a25; padding:10px 14px; border-radius:6px; margin-bottom:16px; }
.msg.err { background:#fdecea; border-color:#f5c2c0; color:#8a1c14; }
table.list { width:100%; border-collapse:collapse; }
table.list th, table.list td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:middle; }
table.list th { font-size:12px; text-transform:uppercase; color:var(--muted); letter-spacing:.4px; }
table.list tr:hover td { background:#fafbfc; }
.muted { color:var(--muted); }
.small { font-size:12px; }
label { display:block; font-weight:600; margin:12px 0 4px; }
label .hint { font-weight:400; color:var(--muted); margin-left:6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=url], select, textarea {
  width:100%; padding:8px 10px; border:1px solid #c9ced3; border-radius:6px; font:inherit; background:#fff; }
textarea { min-height:120px; }
textarea.code { font:12px/1.4 ui-monospace,Consolas,Menlo,monospace; min-height:320px; white-space:pre; }
.row { display:grid; grid-template-columns:1fr 1fr; gap:0 20px; }
.row3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:0 20px; }
.btn { display:inline-block; padding:8px 14px; border-radius:6px; border:1px solid #c9ced3; background:#fff; color:var(--text); cursor:pointer; font:inherit; text-decoration:none; }
.btn.primary { background:var(--accent); border-color:var(--accent); color:#fff; }
.btn.danger { color:var(--danger); border-color:#f0b3ae; }
.btn.sm { padding:4px 9px; font-size:12px; }
.actions { margin-top:18px; display:flex; gap:10px; align-items:center; }
form.inline { display:inline; }
.badge { display:inline-block; padding:2px 8px; border-radius:10px; font-size:11px; font-weight:600; }
.badge.ok { background:#dafbe1; color:var(--ok); }
.badge.err { background:#ffebe9; color:var(--danger); }
.badge.na { background:#eaeef2; color:var(--muted); }
.badge.warn { background:#fff4ce; color:#7a5a00; }
pre.cmd { background:#0d1117; color:#e6edf3; padding:12px 14px; border-radius:6px; overflow:auto; font:12px/1.5 ui-monospace,Consolas,Menlo,monospace; white-space:pre-wrap; word-break:break-all; }
iframe.preview { width:100%; height:320px; border:1px solid var(--line); border-radius:6px; background:#fff; }
.thumb { max-width:220px; max-height:90px; border:1px solid var(--line); background:#fff; padding:2px; }
.grid-media { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.grid-media .item { border:1px solid var(--line); border-radius:6px; padding:10px; background:#fff; }
.grid-media img { max-width:100%; max-height:120px; display:block; margin:0 auto 8px; }
code.ph { background:#eef1f4; padding:1px 5px; border-radius:4px; font-size:12px; }
details summary { cursor:pointer; font-weight:600; margin:14px 0 6px; }
.login { max-width:360px; margin:80px auto; }
@media (max-width:720px) { .row, .row3 { grid-template-columns:1fr; } header.top nav a { margin-right:10px; } }