* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; margin: 0; background: #f6f7f9; color: #1d2330; font-size: 14px; }
nav { background: #1d2330; color: #fff; padding: 10px 20px; display: flex; gap: 18px; align-items: center; }
nav a { color: #cfd6e4; text-decoration: none; }
nav a.active, nav a:hover { color: #fff; }
nav .spacer { flex: 1; }
nav form { margin: 0; }
main { padding: 20px; max-width: 1400px; margin: 0 auto; }
h1 { font-size: 20px; margin: 0 0 16px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 6px 8px; border-bottom: 1px solid #e3e6ec; text-align: left; vertical-align: top; }
th { background: #eef0f4; font-weight: 600; }
tr.off td { color: #8a92a3; }
input, select, textarea { font: inherit; padding: 4px 6px; border: 1px solid #c5cad5; border-radius: 4px; }
input.num { width: 70px; }
textarea { width: 100%; min-height: 40px; font-family: ui-monospace, monospace; font-size: 12px; }
button { font: inherit; padding: 4px 10px; border: 1px solid #c5cad5; border-radius: 4px; background: #fff; cursor: pointer; }
button.primary { background: #2f6fed; border-color: #2f6fed; color: #fff; }
button.danger { color: #c62828; }
button.link { border: none; background: none; color: #cfd6e4; padding: 0; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; border: none; }
.badge.on { background: #d7f5dd; color: #1b7a33; }
.badge.off { background: #eceff3; color: #6b7384; }
.error { background: #fdecea; color: #b71c1c; padding: 8px 12px; border-radius: 4px; margin-bottom: 12px; }
.message { background: #e7f5ea; color: #1b5e20; padding: 8px 12px; border-radius: 4px; margin-bottom: 12px; }
.card { background: #fff; padding: 16px; border-radius: 6px; margin-bottom: 20px; border: 1px solid #e3e6ec; }
.card h2 { font-size: 15px; margin: 0 0 12px; }
.grid { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.grid label { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: #4a5263; }
.muted { color: #8a92a3; font-size: 12px; }
code { background: #eef0f4; padding: 1px 4px; border-radius: 3px; }
.login { max-width: 320px; margin: 80px auto; }
.login input { width: 100%; margin-bottom: 10px; }