:root{--bg:#f6f7fb;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--btn:#111827;--btnText:#fff;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:980px;margin:0 auto;padding:16px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.brand{font-weight:700}
.nav a{margin-left:12px;color:var(--text);text-decoration:none}
.nav a:hover{text-decoration:underline}
.card{margin-top:14px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 6px 22px rgba(0,0,0,.05)}
.footer{margin-top:14px;color:var(--muted);font-size:12px;text-align:center}
h1{margin:0 0 12px 0;font-size:20px}
label{display:block;margin:10px 0 6px 0;color:var(--muted);font-size:13px}
input[type=text],input[type=password]{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-size:14px}
button,.btn{display:inline-block;padding:10px 12px;border:1px solid var(--btn);background:var(--btn);color:var(--btnText);border-radius:12px;cursor:pointer;text-decoration:none;font-size:14px}
button.secondary,.btn.secondary{background:#fff;color:var(--text);border-color:var(--line)}
.row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.row > *{flex:1}
.notice{padding:10px 12px;border-radius:12px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;margin:12px 0}
.ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.err{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
table{width:100%;border-collapse:collapse;margin-top:10px}
th,td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.actions{white-space:nowrap}
.small{font-size:12px;color:var(--muted)}
kbd{background:#111827;color:#fff;padding:2px 6px;border-radius:6px;font-size:12px}