:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e2e5ea;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #c74634;
  --accent-soft: rgba(199, 70, 52, 0.12);
  --ok: #15803d;
  --ok-soft: rgba(21, 128, 61, 0.12);
  --warn: #b45309;
  --warn-soft: rgba(180, 83, 9, 0.12);
  --err: #b91c1c;
  --err-soft: rgba(185, 28, 28, 0.12);
  --info: #1d4ed8;
  --info-soft: rgba(29, 78, 216, 0.12);
  --log-bg: #0f1115;
  --log-text: #d4d7dd;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 1px 3px rgba(16, 24, 40, 0.06);
  --radius: 14px;
  --mono: ui-monospace, "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f13;
    --surface: #161920;
    --surface-2: #1d2129;
    --border: #272c36;
    --text: #e8eaee;
    --muted: #8b93a1;
    --accent: #f06a55;
    --accent-soft: rgba(240, 106, 85, 0.15);
    --ok: #4ade80;
    --ok-soft: rgba(74, 222, 128, 0.13);
    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, 0.13);
    --err: #f87171;
    --err-soft: rgba(248, 113, 113, 0.13);
    --info: #60a5fa;
    --info-soft: rgba(96, 165, 250, 0.13);
    --log-bg: #0a0b0e;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

button, input, select { font: inherit; color: inherit; }

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); }

/* ---------- top bar ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 17px; }
.brand .muted { font-weight: 400; font-size: 14px; }
.logo {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #e8a33d);
  display: grid; place-items: center;
}
.logo::after { content: ""; width: 10px; height: 10px; border: 2.5px solid #fff; border-radius: 50%; }
.top-right { display: flex; align-items: center; gap: 14px; }
.conn { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.dot.off { background: var(--err); box-shadow: 0 0 0 3px var(--err-soft); }

main { max-width: 1200px; margin: 0 auto; padding: 24px; display: grid; gap: 20px; }

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  min-width: 0;
}
.card h2 {
  margin: 0 0 14px; font-size: 13px; font-weight: 650;
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }

/* ---------- hero ---------- */
.hero { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; padding: 24px; }
.hero h1 { margin: 10px 0 4px; font-size: 26px; font-weight: 700; letter-spacing: -0.01em; }
.hero p { margin: 0; }
.hero-right { display: flex; flex-direction: column; gap: 14px; min-width: 280px; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  background: var(--surface-2); color: var(--muted);
}
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.pill.searching { background: var(--info-soft); color: var(--info); }
.pill.searching::before { animation: pulse 1.6s ease-in-out infinite; }
.pill.paused { background: var(--warn-soft); color: var(--warn); }
.pill.success { background: var(--ok-soft); color: var(--ok); }
.pill.stopped { background: var(--err-soft); color: var(--err); }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.35; transform: scale(0.7); } }

.countdown { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; }
.cd-label { font-size: 12px; color: var(--muted); }
.cd-value { font: 600 24px/1.3 var(--mono); }
.bar { height: 6px; border-radius: 999px; background: var(--border); overflow: hidden; margin-top: 8px; }
.bar > div { height: 100%; width: 0; background: var(--accent); border-radius: 999px; transition: width 0.25s linear; }
.bar.ok > div { background: var(--ok); }
.bar.warn > div { background: var(--warn); }
.bar.err > div { background: var(--err); }
.actions { display: flex; gap: 10px; }
.actions .btn { flex: 1; }

/* ---------- buttons ---------- */
.btn {
  border: 1px solid var(--border); background: var(--surface-2);
  padding: 9px 16px; border-radius: 10px; cursor: pointer; font-weight: 550;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.small { padding: 4px 10px; font-size: 12px; border-radius: 8px; text-transform: none; letter-spacing: 0; }
.btn.danger { color: var(--err); }

/* ---------- success banner ---------- */
.banner {
  border: 1px solid var(--ok); background: var(--ok-soft);
  border-radius: var(--radius); padding: 20px 24px;
  display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap;
}
.banner h2 { margin: 0 0 4px; font-size: 20px; color: var(--ok); text-transform: none; letter-spacing: 0; }
.banner .ip { font: 700 28px/1.2 var(--mono); }
.banner code { font-family: var(--mono); font-size: 13px; background: var(--surface); padding: 4px 8px; border-radius: 6px; word-break: break-all; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat-v { font: 700 24px/1.2 var(--mono); }
.stat-l { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- ADs ---------- */
.ads { display: grid; gap: 10px; }
.ad {
  display: grid; grid-template-columns: auto 1fr auto; gap: 4px 14px; align-items: center;
  padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid transparent;
}
.ad.current { border-color: var(--accent); }
.ad.disabled { opacity: 0.5; }
.ad-name { font-weight: 650; }
.ad-meta { grid-column: 2 / 4; font-size: 13px; color: var(--muted); }

.badge {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.info { background: var(--info-soft); color: var(--info); }
.ad .badge { background: var(--surface); }
.ad .badge.ok { background: var(--ok-soft); }
.ad .badge.warn { background: var(--warn-soft); }
.ad .badge.err { background: var(--err-soft); }

/* ---------- switch ---------- */
.switch { position: relative; width: 38px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span { position: absolute; inset: 0; border-radius: 999px; background: var(--border); cursor: pointer; transition: background 0.15s; }
.switch span::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
  border-radius: 50%; background: #fff; transition: transform 0.15s; box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- key/value ---------- */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 9px 18px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 550; min-width: 0; overflow-wrap: anywhere; }

/* ---------- form ---------- */
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label, .field .lbl { font-size: 13px; color: var(--muted); }
.field .row { display: flex; gap: 10px; align-items: center; }
.input, select.input {
  width: 100%; padding: 9px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2);
}
.input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.input.short { width: 110px; }
.hint { font-size: 12px; color: var(--muted); }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- meters ---------- */
.meter { display: grid; gap: 4px; margin-bottom: 12px; }
.meter-top { display: flex; justify-content: space-between; font-size: 13px; }
.meter-top b { font-family: var(--mono); font-weight: 600; }
.idle-box { margin-top: 14px; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); font-size: 14px; }
.idle-box .badge { margin-left: 6px; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
tr:last-child td { border-bottom: none; }
.tag { font-size: 11px; color: var(--accent); margin-left: 6px; font-weight: 600; }

/* ---------- log ---------- */
.log-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.log-head h2 { margin: 0; }
.log-tools { display: flex; gap: 16px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.log-tools label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.log {
  margin: 0; height: 380px; overflow: auto;
  background: var(--log-bg); color: var(--log-text);
  border-radius: 10px; padding: 12px 14px;
  font: 12.5px/1.6 var(--mono); white-space: pre-wrap; word-break: break-word;
}
.log .t { color: #6b7280; }
.log .WARNING { color: #fbbf24; }
.log .ERROR { color: #f87171; }
.log .win { color: #4ade80; font-weight: 700; }
.log.only-err .INFO { display: none; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, 20px);
  background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 10px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; z-index: 50;
  max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: var(--err); color: #fff; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; padding: 32px; }
.login-card .brand { justify-content: center; margin-bottom: 6px; font-size: 20px; }
.login-card p { text-align: center; margin: 0 0 24px; }
.login-card .btn { width: 100%; padding: 11px; }
.error { color: var(--err); font-size: 14px; min-height: 21px; text-align: center; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .grid { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  main { padding: 16px; gap: 16px; }
  .top { padding: 10px 16px; }
  .brand .muted { display: none; }
  .hero { padding: 18px; }
  .hero-right { min-width: 0; width: 100%; }
  .hero h1 { font-size: 22px; }
}