:root { --bg: #f6f7f9; --card: #fff; --ink: #1d2433; --muted: #667085; --line: #e3e6eb; --acc: #2457c5;
  --ok: #0f7b3e; --err: #b42318; --warn: #a15c07; --off: #e7efff; --man: #fff1e0; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
header { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 10px 16px; background: #1d2433; color: #fff; }
header nav { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
header a, header button.link { color: #dbe4ff; text-decoration: none; font-size: 14px; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 8px 0 16px; }
h2 { font-size: 17px; margin: 22px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px; margin-bottom: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.stat b { display: block; font-size: 24px; }
.stat span { color: var(--muted); font-size: 13px; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); }
th, td { border-bottom: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; font-size: 14px; }
th { background: #eef1f5; white-space: nowrap; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; background: #eef1f5; white-space: nowrap; }
.badge.off { background: var(--off); } .badge.man { background: var(--man); }
.badge.ok { background: #dcfae6; } .badge.err { background: #fee4e2; } .badge.warn { background: #fef0c7; }
.flash { padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; border: 1px solid var(--line); background: #fff; }
.flash.ok { border-color: #a6f4c5; background: #ecfdf3; } .flash.err { border-color: #fecdca; background: #fef3f2; }
.flash.warn { border-color: #fedf89; background: #fffaeb; }
.muted { color: var(--muted); }
label { display: block; margin: 8px 0 4px; font-weight: 600; font-size: 14px; }
input[type=text], input[type=password], input[type=email], select, textarea { width: 100%; max-width: 520px; padding: 7px 9px;
  border: 1px solid #c9ced6; border-radius: 6px; font: inherit; }
textarea { max-width: 100%; min-height: 80px; }
button, .btn { display: inline-block; padding: 7px 13px; border-radius: 6px; border: 1px solid #c9ced6; background: #fff;
  font: inherit; cursor: pointer; color: var(--ink); text-decoration: none; }
button.primary, .btn.primary { background: var(--acc); border-color: var(--acc); color: #fff; }
button.danger { border-color: var(--err); color: var(--err); }
button.link { background: none; border: 0; padding: 0; cursor: pointer; }
form.inline { display: inline; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
pre.msg { white-space: pre-wrap; background: #fbfbfc; border: 1px solid var(--line); padding: 12px; border-radius: 6px; font: 14px/1.5 ui-monospace, Consolas, monospace; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.filters select, .filters input { width: auto; }
@media (max-width: 600px) { main { padding: 10px; } th, td { font-size: 13px; } }