:root {
  --bg: #0d1117; --bg-elev: #161b22; --bg-elev-2: #1c2230;
  --border: #262d3a; --border-soft: #1f2531;
  --text: #e6edf3; --muted: #8b949e; --faint: #6e7681;
  --accent: #3b82f6; --accent-hi: #60a5fa;
  --up: #2ea043; --up-soft: rgba(46,160,67,.14);
  --down: #f85149; --down-soft: rgba(248,81,73,.14);
  --pending: #d29922; --pending-soft: rgba(210,153,34,.14);
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 14px; line-height: 1.5; }
a { color: var(--accent-hi); }
.muted { color: var(--muted); } .small { font-size: 12px; }
[hidden] { display: none !important; }

/* ── buttons ─────────────────────────────────────────── */
.btn { background: var(--bg-elev-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px;
       padding: 8px 14px; font-size: 13px; font-weight: 500; font-family: inherit; cursor: pointer; transition: .12s; white-space: nowrap; }
.btn:hover { background: #232b3a; border-color: #384252; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--down); border-color: rgba(248,81,73,.35); }
.btn.danger:hover { background: var(--down-soft); }
.btn.block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { padding: 5px 10px; font-size: 12px; }
.icon-btn { background: none; border: 0; color: var(--muted); font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.icon-btn:hover { background: var(--bg-elev-2); color: var(--text); }

/* ── inputs ──────────────────────────────────────────── */
label { display: block; font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 14px; }
input[type=text], input[type=password], input[type=number], input:not([type]), select {
  width: 100%; margin-top: 6px; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 9px 11px; font-size: 14px; font-family: inherit; }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
select { cursor: pointer; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 400; cursor: pointer; }
label.check input { width: auto; margin: 0; accent-color: var(--accent); }
.row { display: flex; gap: 12px; } .row .grow { flex: 1; } .port-field { width: 120px; flex: none; }
.field { margin-bottom: 14px; } .field-label { font-size: 13px; font-weight: 500; color: var(--muted); }
.hint { font-size: 12px; color: var(--faint); margin: 6px 0 0; }
.checks { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 14px; }
.form-error { background: var(--down-soft); border: 1px solid rgba(248,81,73,.3); color: #ffb4b0;
              padding: 9px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 14px; }
.form-note { padding: 9px 12px; border-radius: 8px; font-size: 13px; margin-top: 10px; }
.form-note.ok { background: var(--up-soft); border: 1px solid rgba(46,160,67,.3); color: #7ee787; }
.form-note.err { background: var(--down-soft); border: 1px solid rgba(248,81,73,.3); color: #ffb4b0; }

.segmented { display: inline-flex; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 3px; margin-top: 6px; }
.segmented button { background: none; border: 0; color: var(--muted); padding: 6px 14px; border-radius: 6px;
                    font-size: 13px; font-family: inherit; cursor: pointer; }
.segmented button.active { background: var(--accent); color: #fff; font-weight: 500; }

/* ── login ───────────────────────────────────────────── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px;
              background: radial-gradient(1000px 600px at 50% -10%, #172033 0%, var(--bg) 60%); }
.login-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
              padding: 34px 30px; width: 100%; max-width: 380px; box-shadow: 0 16px 50px rgba(0,0,0,.45); }
.login-logo { font-size: 40px; text-align: center; }
.login-card h1 { margin: 8px 0 2px; font-size: 25px; text-align: center; letter-spacing: -.5px; }
.login-card > p { text-align: center; margin: 0 0 26px; font-size: 13px; }

/* ── topbar ──────────────────────────────────────────── */
.topbar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
          padding: 14px 22px; border-bottom: 1px solid var(--border); background: var(--bg-elev);
          position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 650; font-size: 16px; letter-spacing: -.3px; display: flex; align-items: center; gap: 8px; }
.summary { display: flex; gap: 16px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.summary b { color: var(--text); font-variant-numeric: tabular-nums; }
.summary .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

main { padding: 22px; max-width: 1500px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(370px, 1fr)); gap: 16px; }
.refresh-note { text-align: center; color: var(--faint); font-size: 12px; margin-top: 26px; }

/* ── cards ───────────────────────────────────────────── */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 16px; display: flex; flex-direction: column; gap: 13px; transition: border-color .15s; }
.card:hover { border-color: #384252; }
.card.down { border-color: rgba(248,81,73,.45); box-shadow: 0 0 0 1px rgba(248,81,73,.12); }
.card.paused { opacity: .62; }
.card-head { display: flex; align-items: flex-start; gap: 10px; }
.card-name { font-weight: 600; font-size: 15px; word-break: break-word; }
.card-host { font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-all; margin-top: 3px; }
.badge { font-size: 10px; letter-spacing: .5px; text-transform: uppercase; font-weight: 700;
         padding: 2px 7px; border-radius: 5px; background: var(--bg-elev-2); color: var(--muted); border: 1px solid var(--border); }
.pill { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; flex: none;
        font-size: 11px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
        padding: 4px 10px; border-radius: 20px; }
.pill.up { background: var(--up-soft); color: #7ee787; }
.pill.down { background: var(--down-soft); color: #ff9d97; }
.pill.pending { background: var(--pending-soft); color: #e3b341; }
.pill.paused { background: var(--bg-elev-2); color: var(--muted); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.up .dot { animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat-label { font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--faint); }
.stat-value { font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 1px; }
.stat-value.bad { color: var(--down); }

.spark { display: flex; align-items: flex-end; gap: 2px; height: 34px; }
.spark i { flex: 1; min-width: 2px; border-radius: 2px 2px 0 0; background: var(--up); opacity: .8; }
.spark i.bad { background: var(--down); opacity: 1; }
.spark .none { color: var(--faint); font-size: 12px; font-style: normal; }

.err-line { background: var(--down-soft); border-left: 2px solid var(--down); color: #ff9d97;
            font-family: var(--mono); font-size: 11.5px; padding: 7px 10px; border-radius: 0 6px 6px 0;
            word-break: break-word; }
.card-foot { display: flex; gap: 6px; align-items: center; border-top: 1px solid var(--border-soft); padding-top: 11px; flex-wrap: wrap; }
.card-foot .spacer { flex: 1; }

/* ── modals ──────────────────────────────────────────── */
.modal-backdrop { position: fixed; inset: 0; background: rgba(1,4,9,.75); backdrop-filter: blur(3px);
                  display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto; }
.modal { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px; width: 100%; max-width: 520px;
         box-shadow: 0 24px 70px rgba(0,0,0,.6); animation: rise .16s ease-out; }
.modal.wide { max-width: 820px; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.modal-head { display: flex; align-items: flex-start; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-head .muted { margin: 3px 0 0; }
.modal-head .icon-btn { margin-left: auto; }
.modal-body { padding: 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding-top: 6px; }

.settings-section { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid var(--border-soft); }
.settings-section:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.settings-section h3 { margin: 0 0 4px; font-size: 14px; }
.settings-section .hint { margin-bottom: 14px; }
code { font-family: var(--mono); background: var(--bg-elev-2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* ── log tables ──────────────────────────────────────── */
.log-tabs { display: flex; gap: 4px; margin-bottom: 14px; border-bottom: 1px solid var(--border); }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted);
       padding: 8px 13px; font-size: 13px; font-family: inherit; cursor: pointer; margin-bottom: -1px; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.table-scroll { max-height: 58vh; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.log-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.log-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.log-table tr:last-child td { border-bottom: 0; }
.log-table tr:hover { background: rgba(255,255,255,.02); }
.log-table .t-time { color: var(--muted); font-family: var(--mono); white-space: nowrap; width: 1%; }
.log-table .t-status { width: 1%; white-space: nowrap; font-weight: 600; }
.log-table .t-status.ok { color: #7ee787; } .log-table .t-status.bad { color: var(--down); }
.log-table .t-latency { font-family: var(--mono); color: var(--muted); text-align: right; width: 1%; white-space: nowrap; }
.log-table .t-detail { color: var(--muted); font-family: var(--mono); word-break: break-word; }
.log-empty { padding: 34px; text-align: center; color: var(--faint); }

/* ── misc ────────────────────────────────────────────── */
.empty { text-align: center; padding: 80px 20px; }
.empty-icon { font-size: 46px; opacity: .5; }
.empty h2 { margin: 14px 0 6px; font-size: 19px; }
.empty p { margin: 0 auto 22px; max-width: 420px; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
         background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
         padding: 11px 18px; border-radius: 9px; font-size: 13px; z-index: 200;
         box-shadow: 0 10px 30px rgba(0,0,0,.5); animation: rise .16s ease-out; max-width: 90vw; }
.toast.ok { border-color: rgba(46,160,67,.5); } .toast.err { border-color: rgba(248,81,73,.5); }

@media (max-width: 640px) {
  .topbar { gap: 12px; padding: 12px 14px; }
  .topbar-actions { width: 100%; margin-left: 0; }
  .topbar-actions .btn { flex: 1; }
  main { padding: 14px; }
  .grid { grid-template-columns: 1fr; }
  .row { flex-direction: column; gap: 0; } .port-field { width: 100%; }
}