:root{--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#f7f7f8;--brand:#2563eb;--brand-ink:#fff;--ok:#047857;--err:#b91c1c;--radius:8px}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.5rem;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap}
.topbar .brand{font-weight:700;text-decoration:none;color:var(--ink);font-size:1.1rem}
.topbar nav{display:flex;gap:1.25rem;align-items:center;flex-wrap:wrap}
.topbar nav a{text-decoration:none;color:var(--ink)}
.wrap{max-width:1000px;margin:2rem auto;padding:0 1.25rem}
h1{font-size:1.6rem;margin:.2rem 0 1rem}
h2{font-size:1.2rem;margin:0 0 .75rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.25rem}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.muted{color:var(--muted)}
.small{font-size:.875rem}
label{display:block;font-weight:600;margin:.75rem 0 .3rem}
label.check{font-weight:400;display:flex;gap:.5rem;align-items:center}
input[type=text],input[type=email],input[type=password],input[type=url],select,textarea{width:100%;padding:.6rem .7rem;border:1px solid #cbd5e1;border-radius:6px;font:inherit;background:#fff}
textarea.code{font:13px/1.45 ui-monospace,Menlo,Consolas,monospace;min-height:220px;tab-size:2}
.btn,button.btn{display:inline-block;padding:.55rem 1rem;border-radius:6px;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);font:inherit;font-weight:600;text-decoration:none;cursor:pointer}
.btn.secondary{background:#fff;color:var(--brand)}
.btn.danger{background:#fff;color:var(--err);border-color:var(--err)}
.btn.big{padding:.75rem 1.4rem;font-size:1.05rem}
button.linkish{background:none;border:0;color:var(--ink);font:inherit;cursor:pointer;padding:0}
button.mini{background:#fff;border:1px solid var(--line);border-radius:4px;padding:.15rem .5rem;cursor:pointer;font:inherit;font-size:.85rem}
form.inline{display:inline}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin-top:1rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.85rem;color:var(--muted);font-weight:600}
.flash{padding:.8rem 1rem;border-radius:6px;margin-bottom:1rem;border:1px solid}
.flash.ok{background:#ecfdf5;border-color:#a7f3d0;color:var(--ok)}
.flash.err{background:#fef2f2;border-color:#fecaca;color:var(--err)}
.tag{display:inline-block;font-size:.75rem;padding:.1rem .5rem;border-radius:999px;background:#eef2ff;color:#3730a3}
.tag.off{background:#f3f4f6;color:var(--muted)}
.tag.warn{background:#fef3c7;color:#92400e}
.login{max-width:380px;margin:10vh auto}
.secret{font:600 1.1rem ui-monospace,monospace;letter-spacing:.1em;background:#f3f4f6;padding:.5rem .75rem;border-radius:6px;display:inline-block;word-break:break-all}
details summary{cursor:pointer;color:var(--brand)}