:root {
  --bg: #f6f7f9; --card: #fff; --text: #111827; --muted: #6b7280; --line: #e5e7eb;
  --brand: #4f46e5; --brand-ink: #fff;
  --up: #16a34a; --down: #dc2626; --warn: #d97706; --idle: #9ca3af;
  --up-bg: #dcfce7; --down-bg: #fee2e2; --warn-bg: #fef3c7; --idle-bg: #f3f4f6;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 12px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f17; --card: #131a26; --text: #e5e7eb; --muted: #94a3b8; --line: #243044;
    --brand: #818cf8; --brand-ink: #0b0f17;
    --up: #4ade80; --down: #f87171; --warn: #fbbf24; --idle: #64748b;
    --up-bg: #052e16; --down-bg: #450a0a; --warn-bg: #451a03; --idle-bg: #1e293b;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--brand); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header.top .wrap { display: flex; align-items: center; gap: 16px; height: 56px; }
.logo { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.logo i { width: 10px; height: 10px; border-radius: 50%; background: var(--up); box-shadow: 0 0 0 4px var(--up-bg); }
nav { display: flex; gap: 4px; flex: 1; }
nav button { background: none; border: 0; padding: 8px 12px; border-radius: 8px; cursor: pointer; color: var(--muted); font-weight: 500; }
nav button.on, nav button:hover { background: var(--idle-bg); color: var(--text); }
main { padding: 20px 0 60px; }
.btn { border: 1px solid var(--line); background: var(--card); padding: 7px 14px; border-radius: 8px; cursor: pointer; font-weight: 500; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.danger { color: var(--down); }
.btn.sm { padding: 3px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); cursor: pointer; }
.stat.on { border-color: var(--brand); }
.stat b { display: block; font-size: 26px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 13px; }
.stat.down b { color: var(--down); } .stat.up b { color: var(--up); } .stat.warn b { color: var(--warn); }
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input[type=search] { flex: 1; min-width: 200px; }
input[type=text], input[type=search], input[type=number], input[type=password], input[type=email], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: -1px; }
textarea { resize: vertical; min-height: 64px; font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--idle-bg); }
.name { font-weight: 600; } .sub { color: var(--muted); font-size: 12px; word-break: break-all; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.up { background: var(--up-bg); color: var(--up); } .pill.down { background: var(--down-bg); color: var(--down); }
.pill.warn { background: var(--warn-bg); color: var(--warn); } .pill.idle { background: var(--idle-bg); color: var(--muted); }
.ok { color: var(--up); } .bad { color: var(--down); } .wr { color: var(--warn); } .muted { color: var(--muted); }
svg.spark { display: block; }
.empty { padding: 48px 16px; text-align: center; color: var(--muted); }
.empty h3 { color: var(--text); margin: 0 0 6px; }
/* modal / drawer */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; display: flex; justify-content: center; align-items: flex-start; overflow: auto; padding: 32px 12px; }
.modal { background: var(--card); border-radius: 14px; width: 100%; max-width: 640px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.modal.wide { max-width: 860px; }
.modal h2 { margin: 0; font-size: 17px; }
.mh { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); gap: 12px; }
.mb { padding: 18px 20px; } .mf { padding: 14px 20px; border-top: 1px solid var(--line); display: flex; gap: 8px; justify-content: flex-end; }
.x { background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--muted); line-height: 1; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .grid { grid-template-columns: 1fr; } .hide-m { display: none; } }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 3px; font-weight: 400; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: auto; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 14px 0 0; }
legend { font-weight: 600; padding: 0 6px; font-size: 13px; }
.issues { margin: 8px 0 0; padding: 0; list-style: none; }
.issues li { padding: 6px 10px; border-radius: 8px; margin-bottom: 4px; background: var(--down-bg); color: var(--down); font-size: 13px; }
.issues li.warning { background: var(--warn-bg); color: var(--warn); }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin: 14px 0; }
.kv div { background: var(--idle-bg); border-radius: 10px; padding: 10px 12px; }
.kv b { display: block; font-size: 18px; } .kv span { color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 6px; margin-bottom: 8px; }
.login { max-width: 340px; margin: 14vh auto; }
.login .card { padding: 24px; }
.tip { background: var(--idle-bg); border-radius: 10px; padding: 12px 14px; font-size: 13px; margin-top: 10px; }
.tip code, code { background: var(--idle-bg); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
#toasts { position: fixed; bottom: 16px; right: 16px; z-index: 50; display: grid; gap: 8px; }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 10px; box-shadow: 0 6px 20px rgba(0,0,0,.25); max-width: 360px; }
.toast.err { background: var(--down); color: #fff; }

.bulkbar { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--idle-bg); border-bottom: 1px solid var(--line); }
.bulkbar .btn { margin-left: 0; }
tbody tr.picked { background: color-mix(in srgb, var(--brand) 9%, transparent); }
#list td.pick, #list th:first-child { padding-right: 0; }
td.pick input, #selall { width: 16px; height: 16px; cursor: pointer; }

.chip { display: inline-block; padding: 1px 8px; margin: 0 4px 3px 0; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.chip.ok { background: var(--up-bg); color: var(--up); } .chip.bad { background: var(--down-bg); color: var(--down); }
.chip.wr { background: var(--warn-bg); color: var(--warn); } .chip.idle { background: var(--idle-bg); color: var(--muted); }
tr.faded td:not(:first-child) { opacity: .55; }