:root { --ink:#14171a; --muted:#6b7280; --line:#e5e7eb; --accent:#7c3aed; --push:#dcfce7; --pull:#fef3c7; --bg:#fafafa; }
* { box-sizing: border-box; }
body { margin:0; font: 15px/1.5 -apple-system, "Inter", system-ui, sans-serif; color:var(--ink); background:var(--bg); }
header.top { display:flex; gap:24px; align-items:center; padding:12px 24px; background:#fff; border-bottom:1px solid var(--line); flex-wrap:wrap; }
.brand { font-weight:800; letter-spacing:-.02em; font-size:20px; color:var(--accent); text-decoration:none; }
nav a { margin-right:14px; color:var(--ink); text-decoration:none; }
.viewer { margin-left:auto; display:flex; gap:8px; align-items:center; color:var(--muted); }
main { max-width:820px; margin:24px auto; padding:0 16px; }
h1 small { color:var(--muted); font-weight:400; font-size:.6em; margin-left:8px; }
.feed { list-style:none; padding:0; }
.feed li { background:#fff; border:1px solid var(--line); border-radius:10px; padding:12px 16px; margin-bottom:8px; display:grid; gap:4px; }
.who a { font-weight:700; color:var(--ink); text-decoration:none; }
.meta { color:var(--muted); font-size:13px; }
.pill { display:inline-block; padding:1px 8px; border-radius:999px; font-size:12px; font-weight:600; }
.pill.push { background:var(--push); color:#166534; } .pill.pull { background:var(--pull); color:#92400e; } .pill.warn { background:#fee2e2; color:#991b1b; }
.btn { display:inline-block; padding:8px 14px; border:1px solid var(--line); border-radius:8px; background:#fff; cursor:pointer; text-decoration:none; color:var(--ink); }
.btn.primary { background:var(--accent); color:#fff; border-color:var(--accent); }
table.members { width:100%; border-collapse:collapse; background:#fff; } table.members th, table.members td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); }
.flash { background:#eef2ff; border:1px solid #c7d2fe; padding:10px 14px; border-radius:8px; }
.warn { background:#fee2e2; padding:10px 14px; border-radius:8px; }
.muted { color:var(--muted); } .small { font-size:13px; }
.profile { background:#fff; border:1px solid var(--line); border-radius:12px; padding:16px 20px; margin-bottom:20px; }
.post form { display:flex; gap:8px; flex-wrap:wrap; }
footer { max-width:820px; margin:40px auto; padding:0 16px; color:var(--muted); font-size:13px; }