:root {
  --bg: #0f1115;
  --surface: #171a21;
  --border: #2a2e38;
  --text: #e6e8ec;
  --muted: #9aa1ac;
  --accent: #4f8cff;
  --up: #2ecc71;
  --down: #e74c3c;
  --unknown: #9aa1ac;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.topbar .brand { font-weight: 600; font-size: 16px; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; }

.container { max-width: 1000px; margin: 0 auto; padding: 24px; }
.container.narrow { max-width: 380px; margin-top: 60px; }

h1 { font-size: 22px; margin-bottom: 4px; }
h2 { font-size: 17px; margin-top: 36px; color: var(--muted); }
.subtitle { color: var(--muted); margin-top: 0; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 20px; margin-top: 12px;
}
.form-grid { display: flex; flex-direction: column; gap: 14px; max-width: 480px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
label.checkbox-line { flex-direction: row; align-items: center; gap: 8px; }
input[type=text], input[type=password], input[type=number], textarea {
  background: #10131a; border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 8px 10px; font-size: 14px; font-family: inherit;
}
textarea { resize: vertical; }

button, .btn-secondary, .btn-danger {
  display: inline-block; border: 1px solid var(--border); background: var(--accent);
  color: #fff; padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 14px;
}
.btn-secondary { background: transparent; color: var(--text); }
.btn-danger { background: var(--down); border-color: var(--down); }
.link-btn { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 13px; }
.form-actions { display: flex; gap: 10px; margin-top: 16px; align-items: center; }

table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr.row-disabled { opacity: .5; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; font-weight: 600;
}
.badge-up { background: rgba(46,204,113,.15); color: var(--up); }
.badge-down { background: rgba(231,76,60,.15); color: var(--down); }
.badge-unknown { background: rgba(154,161,172,.15); color: var(--unknown); }
.tag-manual {
  display: inline-block; margin-left: 6px; padding: 1px 6px; border-radius: 4px;
  font-size: 10px; text-transform: uppercase; letter-spacing: .03em;
  background: rgba(79,140,255,.15); color: var(--accent);
}
.alert-detail {
  max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.alert-detail:hover { white-space: normal; overflow: visible; }

.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; }
.kv-grid .full { grid-column: 1 / -1; }
.kv-grid .k { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.kv-grid .v { display: block; margin-top: 2px; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; word-break: break-all; }

.empty { color: var(--muted); }
.flash-ok { color: var(--up); background: rgba(46,204,113,.1); border: 1px solid var(--up); padding: 8px 12px; border-radius: 6px; }
code { background: #10131a; padding: 1px 5px; border-radius: 4px; font-size: 13px; }
.inline-label { display: inline; color: var(--text); font-size: 13px; }
.checkbox-line { display: flex; align-items: center; gap: 6px; }
.row-actions { display: flex; align-items: center; gap: 12px; }
.row-actions .link-btn { padding: 0; font-size: 14px; color: var(--accent); text-decoration: none; }
.row-actions .link-btn:hover { text-decoration: underline; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
select {
  background: #10131a; border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 8px 10px; font-size: 14px; font-family: inherit;
}
.flash-error { color: var(--down); background: rgba(231,76,60,.1); border: 1px solid var(--down); padding: 8px 12px; border-radius: 6px; }