:root { --bg: #0d1117; --card: #161b22; --border: #30363d; --text: #e6edf3; --muted: #8b949e; --accent: #2f81f7; --danger: #f85149; --ok: #3fb950; }
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--card); }
.brand { font-weight: 700; font-size: 18px; }
.whoami { margin-left: auto; color: var(--muted); font-size: 14px; }
.container { max-width: 960px; margin: 24px auto; padding: 0 16px; display: grid; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.card h1 { font-size: 18px; margin: 0 0 16px; }
.row { display: flex; align-items: center; gap: 12px; }
.between { justify-content: space-between; }
.mt { margin-top: 20px; border-top: 1px solid var(--border); padding-top: 16px; }
form { display: grid; gap: 12px; max-width: 360px; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
input { padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 14px; }
input:focus { outline: none; border-color: var(--accent); }
.btn { padding: 9px 14px; border-radius: 8px; border: 1px solid var(--border); background: #21262d; color: var(--text); font-size: 14px; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: transparent; }
.muted { color: var(--muted); font-size: 14px; }
.muted a { color: var(--accent); text-decoration: none; }
.error { color: var(--danger); font-size: 14px; min-height: 18px; }
.info { color: var(--ok); font-size: 14px; min-height: 18px; word-break: break-all; }
.profile { display: grid; grid-template-columns: 120px 1fr; gap: 6px 16px; margin: 0 0 16px; }
.profile dt { color: var(--muted); }
.profile dd { margin: 0; }
table.users { width: 100%; border-collapse: collapse; font-size: 14px; }
table.users th, table.users td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.users th { color: var(--muted); font-weight: 600; }