/* SmartDNS — friendly dark SaaS */
:root {
  --bg: oklch(0.18 0.012 260);
  --surface: oklch(0.22 0.012 260);
  --surface-2: oklch(0.26 0.012 260);
  --surface-hi: oklch(0.30 0.014 260);
  --line: oklch(0.32 0.012 260);
  --line-soft: oklch(0.28 0.012 260);
  --text: oklch(0.97 0.005 260);
  --text-muted: oklch(0.74 0.012 260);
  --text-dim: oklch(0.58 0.012 260);

  --accent: oklch(0.82 0.13 80);
  --accent-ink: oklch(0.22 0.05 80);
  --accent-soft: oklch(0.82 0.13 80 / 0.14);

  --good: oklch(0.78 0.13 165);
  --warn: oklch(0.86 0.16 50);
  --bad: oklch(0.72 0.16 25);
  --info: oklch(0.78 0.10 230);

  --r-card: 16px;
  --r-ctl: 10px;
  --r-pill: 999px;

  --pad: 20px;
  --pad-tight: 14px;

  --shadow: 0 1px 0 oklch(1 0 0 / 0.04) inset, 0 8px 24px oklch(0 0 0 / 0.25);

  color-scheme: dark;
}

[data-theme="light"] {
  --bg: oklch(0.985 0.004 260);
  --surface: oklch(1 0 0);
  --surface-2: oklch(0.97 0.005 260);
  --surface-hi: oklch(0.94 0.005 260);
  --line: oklch(0.90 0.006 260);
  --line-soft: oklch(0.93 0.006 260);
  --text: oklch(0.20 0.012 260);
  --text-muted: oklch(0.42 0.012 260);
  --text-dim: oklch(0.58 0.012 260);
  --accent-ink: oklch(0.22 0.05 80);
  --accent-soft: oklch(0.82 0.13 80 / 0.16);
  --shadow: 0 1px 0 oklch(0 0 0 / 0.02) inset, 0 6px 18px oklch(0 0 0 / 0.06);
  color-scheme: light;
}

[data-density="compact"] {
  --pad: 14px;
  --pad-tight: 10px;
}
[data-density="cozy"] {
  --pad: 26px;
  --pad-tight: 18px;
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-feature-settings: 'cv11', 'ss01', 'ss03';
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.mono { font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; font-feature-settings: 'zero', 'ss02'; }

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }

/* ---------- App shell ---------- */
.app {
  min-height: 100%;
  display: grid;
  grid-template-columns: 1fr;
}

[data-layout="sidebar"] .app {
  grid-template-columns: 240px 1fr;
}
@media (max-width: 900px) {
  [data-layout="sidebar"] .app { grid-template-columns: 1fr; }
}

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: oklch(from var(--bg) l c h / 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner {
  max-width: 1240px; margin: 0 auto; width: 100%;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 14px;
}
@media (max-width: 600px) {
  .topbar-inner { padding: 12px 14px; }
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-text { font-size: 17px; letter-spacing: -0.01em; }
.brand-text b { color: var(--accent); }

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 20px 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 8px 16px;
  background: oklch(from var(--bg) calc(l - 0.005) c h);
}
.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
}
.site-footer a:hover { color: var(--text); text-decoration: underline; }
.site-footer .left { font-weight: 500; color: var(--text-muted); }
.site-footer .left .mono { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim); margin-left: 6px; }
.site-footer .right { display: flex; gap: 4px; flex-wrap: wrap; }
.site-footer .right .sep { color: var(--text-dim); margin: 0 6px; opacity: 0.6; }
@media (max-width: 600px) {
  .site-footer { flex-direction: column; align-items: flex-start; padding: 16px; }
}
.topbar .nav { display: flex; gap: 4px; margin-left: 20px; flex: 1; flex-wrap: wrap;}
.nav-btn {
  appearance: none; background: transparent; border: 0;
  color: var(--text-muted);
  padding: 8px 12px; border-radius: var(--r-ctl);
  font-size: 14px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
}
.nav-btn:hover { color: var(--text); background: var(--surface); }
.nav-btn[aria-current="page"] {
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--line) inset;
}
.topbar .right { display: flex; align-items: center; gap: 8px; }

/* Sidebar */
.sidebar {
  border-right: 1px solid var(--line-soft);
  padding: 18px 14px;
  display: flex; flex-direction: column; gap: 4px;
  background: oklch(from var(--bg) calc(l - 0.01) c h);
  position: sticky; top: 0; height: 100vh;
}
@media (max-width: 900px) {
  .sidebar { display: none; }
}
.sidebar .brand { padding: 6px 8px 16px; }
.side-section { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); padding: 14px 10px 6px; }
.side-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--text-muted); font-size: 14px;
  background: none; border: 0; text-align: left; width: 100%;
}
.side-link:hover { background: var(--surface); color: var(--text); }
.side-link[aria-current="page"] { background: var(--surface); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }

/* Main content */
.main { padding: 24px 20px 40px; max-width: 1240px; margin: 0 auto; width: 100%; }
@media (max-width: 600px) { .main { padding: 16px 14px 32px; } }

.app-shell { display: flex; flex-direction: column; min-height: 100vh; min-width: 0; }

.page-head {
  display: flex; flex-wrap: wrap; align-items: end; gap: 16px; justify-content: space-between;
  margin-bottom: 22px;
}
.page-title { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin: 0; }
.page-sub { color: var(--text-muted); margin: 4px 0 0; font-size: 14px; }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-card);
  box-shadow: var(--shadow);
}
.card-pad { padding: var(--pad); }
.card-head { padding: var(--pad) var(--pad) calc(var(--pad) - 6px); display: flex; align-items: center; gap: 10px; justify-content: space-between; flex-wrap: wrap;}
.card-title { font-size: 15px; font-weight: 600; margin: 0; }
.card-sub { font-size: 13px; color: var(--text-muted); margin: 2px 0 0; }
.card-section { padding: 0 var(--pad) var(--pad); }
.card hr { border: 0; border-top: 1px solid var(--line-soft); margin: 0; }

/* Stat strip / IP card */
.ip-card {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--pad);
}
.ip-card .label { color: var(--text-muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.ip-card .value { font-size: 30px; font-weight: 600; letter-spacing: -0.02em; }
.ip-card .meta { color: var(--text-muted); font-size: 13px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.pulse-dot {
  width: 8px; height: 8px; border-radius: 999px; background: var(--good);
  box-shadow: 0 0 0 0 oklch(0.78 0.13 165 / 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.78 0.13 165 / 0.55); }
  70% { box-shadow: 0 0 0 10px oklch(0.78 0.13 165 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.78 0.13 165 / 0); }
}

/* Stats row */
.stats {
  display: grid; gap: 14px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { padding: 16px; }
.stat .label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat .value { font-size: 24px; font-weight: 600; letter-spacing: -0.01em; margin-top: 4px; }
.stat .delta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stat .delta.up { color: var(--good); }
.stat .delta.down { color: var(--bad); }

/* ---------- Buttons ---------- */
.btn {
  appearance: none; border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  padding: 8px 14px; border-radius: var(--r-ctl);
  font-size: 13.5px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 8px;
  transition: background 120ms, transform 120ms, border-color 120ms;
}
.btn:hover { background: var(--surface-hi); border-color: oklch(from var(--line) calc(l + 0.06) c h); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  font-weight: 600;
}
.btn-primary:hover { background: oklch(from var(--accent) calc(l + 0.04) c h); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }
.btn-danger {
  background: oklch(from var(--bad) l c h / 0.12);
  border-color: oklch(from var(--bad) l c h / 0.3);
  color: var(--bad);
}
.btn-danger:hover { background: oklch(from var(--bad) l c h / 0.2); }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }
.btn-icon { padding: 7px; width: 32px; height: 32px; justify-content: center; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

.icon { width: 16px; height: 16px; flex-shrink: 0; }

/* ---------- Inputs ---------- */
.input, .select {
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 9px 12px;
  border-radius: var(--r-ctl);
  font-size: 14px;
  width: 100%;
  outline: none;
  transition: border-color 120ms, box-shadow 120ms;
}
.input:focus, .select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(from var(--accent) l c h / 0.18);
}
.input::placeholder { color: var(--text-dim); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

.input-row {
  display: flex; align-items: stretch;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-ctl);
  overflow: hidden;
}
.input-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(from var(--accent) l c h / 0.18);
}
.input-row .input {
  border: 0; background: transparent; box-shadow: none; border-radius: 0;
}
.input-row .input:focus { box-shadow: none; }
.input-row .suffix {
  display: flex; align-items: center; padding: 0 12px;
  color: var(--text-muted); font-size: 13px;
  border-left: 1px solid var(--line-soft);
  background: oklch(from var(--surface-2) calc(l - 0.01) c h);
  white-space: nowrap;
}
.input-row .input-row-btn {
  border: 0; border-left: 0;
  background: var(--accent);
  padding: 0 16px; font-weight: 600; color: var(--accent-ink);
  display: flex; align-items: center; gap: 6px;
}
.input-row .input-row-btn:hover { background: oklch(from var(--accent) calc(l + 0.04) c h); }

/* ---------- Pills / Badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: var(--r-pill);
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.01em;
  background: var(--surface-2); color: var(--text-muted);
  border: 1px solid var(--line-soft);
  white-space: nowrap;
}
.badge .dot { width: 6px; height: 6px; border-radius: 999px; background: currentColor; }
.badge.good { color: var(--good); background: oklch(from var(--good) l c h / 0.12); border-color: oklch(from var(--good) l c h / 0.25); }
.badge.warn { color: var(--warn); background: oklch(from var(--warn) l c h / 0.12); border-color: oklch(from var(--warn) l c h / 0.25); }
.badge.bad { color: var(--bad); background: oklch(from var(--bad) l c h / 0.12); border-color: oklch(from var(--bad) l c h / 0.25); }
.badge.info { color: var(--info); background: oklch(from var(--info) l c h / 0.12); border-color: oklch(from var(--info) l c h / 0.25); }

/* ---------- Table ---------- */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 12px 14px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
.table th {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-dim); font-weight: 600;
  background: oklch(from var(--surface) calc(l - 0.01) c h);
  position: sticky; top: 0;
}
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: oklch(from var(--surface) calc(l + 0.015) c h); }
.table .col-shrink { width: 1%; white-space: nowrap; }

[data-density="compact"] .table th, [data-density="compact"] .table td { padding: 8px 12px; font-size: 12.5px; }
[data-density="cozy"] .table th, [data-density="cozy"] .table td { padding: 16px 18px; }

/* ---------- Subdomain rows (cards on mobile) ---------- */
.subs {
  display: flex; flex-direction: column;
}
.sub-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 140px 90px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px var(--pad);
  border-top: 1px solid var(--line-soft);
}
.sub-row:first-child { border-top: 0; }
.sub-row .fqdn { display: flex; align-items: center; gap: 10px; min-width: 0; }
.sub-row .fqdn .name { font-weight: 600; truncate: ellipsis; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sub-row .fqdn .name b { color: var(--accent); }
.sub-row .ip-cell { color: var(--text-muted); font-size: 13px; }
.sub-row .updated { color: var(--text-muted); font-size: 12.5px; }
.sub-row .actions { display: flex; gap: 6px; justify-content: flex-end; }
.sub-row.is-stale { /* visual hint */ }

@media (max-width: 760px) {
  .sub-row {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "fqdn actions"
      "spark spark"
      "meta meta";
    gap: 10px;
    padding: 14px;
  }
  .sub-row .fqdn { grid-area: fqdn; }
  .sub-row .actions { grid-area: actions; }
  .sub-row .spark-cell { grid-area: spark; }
  .sub-row .meta-cell { grid-area: meta; display: flex; gap: 14px; flex-wrap: wrap; color: var(--text-muted); font-size: 12.5px; }
  .sub-row .ip-cell, .sub-row .updated { display: none; }
}
.meta-cell { display: none; }
@media (max-width: 760px) {
  .meta-cell { display: flex; }
}

/* Sparkline */
.spark {
  width: 90px; height: 26px; display: block;
}
@media (max-width: 760px) {
  .spark { width: 100%; height: 32px; }
}

/* ---------- Activity log ---------- */
.code-pill {
  display: inline-block;
  padding: 2px 8px; border-radius: var(--r-pill);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.02em;
}
.code-good { color: var(--good); background: oklch(from var(--good) l c h / 0.14); }
.code-warn { color: var(--warn); background: oklch(from var(--warn) l c h / 0.14); }
.code-bad { color: var(--bad); background: oklch(from var(--bad) l c h / 0.14); }
.code-info { color: var(--info); background: oklch(from var(--info) l c h / 0.14); }

/* Log row */
.log-row {
  display: grid;
  grid-template-columns: 100px 70px minmax(0, 2fr) minmax(0, 1.2fr) 100px;
  gap: 14px;
  padding: 10px var(--pad);
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  align-items: center;
}
.log-row:first-of-type { border-top: 0; }
.log-row .when { color: var(--text-muted); }
.log-row .domain { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--text); }
.log-row .ip { font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--text-muted); }
.log-row .agent { color: var(--text-muted); font-size: 12px; truncate: ellipsis; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (max-width: 760px) {
  .log-row {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "code domain"
      "when ip"
      "agent agent";
    padding: 12px 14px;
    row-gap: 4px;
  }
  .log-row .when { grid-area: when; font-size: 11.5px; }
  .log-row .code { grid-area: code; }
  .log-row .domain { grid-area: domain; text-align: right; }
  .log-row .ip { grid-area: ip; text-align: right; }
  .log-row .agent { grid-area: agent; }
}

/* ---------- Filter chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  appearance: none; border: 1px solid var(--line-soft);
  background: var(--surface-2);
  color: var(--text-muted);
  padding: 5px 10px; border-radius: var(--r-pill);
  font-size: 12px; font-weight: 500;
}
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { background: var(--accent-soft); border-color: oklch(from var(--accent) l c h / 0.4); color: var(--accent); }

/* ---------- Quickstart code block ---------- */
.code-block {
  position: relative;
  background: oklch(from var(--bg) calc(l - 0.02) c h);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-ctl);
  padding: 14px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--text);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
  min-width: 0;
  max-width: 100%;
}
.code-block .copy {
  position: absolute; top: 8px; right: 8px;
  padding: 4px 8px;
}
.code-block .k { color: oklch(0.78 0.10 230); }
.code-block .s { color: var(--good); }
.code-block .c { color: var(--text-dim); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line-soft); margin-bottom: 14px; }
.tab {
  appearance: none; background: transparent; border: 0;
  color: var(--text-muted); padding: 9px 12px;
  font-size: 13.5px; font-weight: 500; border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }

/* Drawer */
.drawer-bg {
  position: fixed; inset: 0; z-index: 50;
  background: oklch(0 0 0 / 0.4);
  backdrop-filter: blur(2px);
  display: flex; justify-content: flex-end;
  animation: fade 160ms ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.drawer {
  width: min(560px, 100%);
  background: var(--surface);
  border-left: 1px solid var(--line);
  height: 100%;
  overflow-y: auto;
  animation: slide 200ms cubic-bezier(.2,.7,.3,1);
}
@keyframes slide { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }
.drawer-head { padding: 18px 22px; border-bottom: 1px solid var(--line-soft); display: flex; justify-content: space-between; align-items: start; gap: 14px; }
.drawer-head h3 { margin: 0; font-size: 18px; }
.drawer-body { padding: 18px 22px; display: flex; flex-direction: column; gap: 18px; }

/* Modal */
.modal-bg {
  position: fixed; inset: 0; z-index: 60;
  background: oklch(0 0 0 / 0.5);
  display: grid; place-items: center; padding: 20px;
  animation: fade 160ms ease;
}
.modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  width: min(440px, 100%);
  padding: 22px;
  box-shadow: 0 16px 48px oklch(0 0 0 / 0.4);
  animation: pop 180ms cubic-bezier(.2,.7,.3,1);
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: none; opacity: 1; } }
.modal h3 { margin: 0 0 6px; }
.modal p { color: var(--text-muted); margin: 0 0 18px; font-size: 14px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* Toast */
.toasts {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 100; display: flex; flex-direction: column-reverse; gap: 8px; align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--surface-hi);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 8px 16px;
  font-size: 13px;
  display: flex; align-items: center; gap: 8px;
  box-shadow: 0 8px 24px oklch(0 0 0 / 0.3);
  animation: rise 220ms cubic-bezier(.2,.7,.3,1);
}
@keyframes rise { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Login screen */
.login-wrap {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 20% -10%, oklch(from var(--accent) l c h / 0.10), transparent 60%),
    radial-gradient(800px 500px at 100% 100%, oklch(0.6 0.13 230 / 0.08), transparent 60%);
}
.login-wrap .site-footer { width: 100%; max-width: 480px; margin-top: 24px; border-top: 0; background: transparent; padding: 0; }
.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 22px; margin: 14px 0 4px; letter-spacing: -0.01em;}
.login-card .lead { color: var(--text-muted); margin: 0 0 22px; font-size: 14px; }
.login-card .row { display: flex; flex-direction: column; gap: 14px; }

/* Lang toggle (legacy, kept for any consumer still using <form class="lang">) */
.lang {
  display: inline-flex; background: var(--surface-2);
  border: 1px solid var(--line-soft); border-radius: var(--r-pill);
  padding: 2px;
}
.lang button {
  appearance: none; background: transparent; border: 0;
  color: var(--text-muted); padding: 4px 10px;
  font-size: 12px; font-weight: 600; border-radius: var(--r-pill);
}
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

/* Lang picker (dropdown) */
.lang-picker { position: relative; display: inline-block; }
.lang-trigger {
  appearance: none; background: var(--surface-2); border: 1px solid var(--line-soft);
  color: var(--text-muted);
  padding: 6px 10px; border-radius: var(--r-pill);
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
}
.lang-trigger:hover { color: var(--text); border-color: var(--line); }
.lang-trigger[aria-expanded="true"] { color: var(--text); border-color: var(--accent); }

.lang-menu {
  position: absolute; right: 0; top: calc(100% + 6px);
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  box-shadow: 0 12px 32px oklch(0 0 0 / 0.35);
  padding: 6px;
  z-index: 30;
  display: flex; flex-direction: column; gap: 2px;
}
.lang-item {
  appearance: none; border: 0; background: transparent; color: var(--text-muted);
  display: grid; grid-template-columns: 28px 1fr auto;
  align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  text-align: left; font-size: 13px; font-weight: 500;
  width: 100%;
}
.lang-item:hover { background: var(--surface-2); color: var(--text); }
.lang-item[aria-selected="true"] { color: var(--accent); }
.lang-item[aria-selected="true"]:hover { background: var(--accent-soft); }
.lang-item .lang-code {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: var(--text-dim); letter-spacing: 0.04em;
}
.lang-item[aria-selected="true"] .lang-code { color: var(--accent); }
.lang-item .lang-check { width: 14px; height: 14px; color: var(--accent); }

@media (max-width: 600px) {
  .lang-menu { right: 0; min-width: 200px; }
}

/* Section grid */
.grid-2 { display: grid; gap: 16px; grid-template-columns: 2fr 1fr; }
.grid-2 > * { min-width: 0; }   /* prevent intrinsic content (long FQDNs in code-block) from blowing the columns */
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* Empty state */
.empty {
  padding: 40px var(--pad); text-align: center;
}
.empty .em-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--surface-2); border: 1px solid var(--line-soft);
  display: grid; place-items: center; margin: 0 auto 12px;
  color: var(--text-muted);
}
.empty .em-title { font-weight: 600; margin-bottom: 4px; }
.empty .em-sub { color: var(--text-muted); font-size: 13.5px; }

/* Avatar */
.avatar {
  width: 32px; height: 32px; border-radius: 999px;
  background: var(--surface-hi);
  color: var(--text);
  display: grid; place-items: center;
  font-size: 12px; font-weight: 600;
  border: 1px solid var(--line-soft);
  flex-shrink: 0;
}
.avatar.lg { width: 56px; height: 56px; font-size: 18px; }

/* ip diff visualization */
.ip-diff { display: flex; flex-direction: column; gap: 10px; }
.ip-diff-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px; align-items: center;
}
.ip-diff-row .when { color: var(--text-muted); font-size: 12px; font-family: 'JetBrains Mono', monospace; }
.ip-diff-row .ip-pair { display: flex; align-items: center; gap: 10px; font-family: 'JetBrains Mono', monospace; font-size: 13px; flex-wrap: wrap; }
.ip-diff-row .arrow { color: var(--text-dim); }
.ip-diff-row .from { color: var(--text-dim); text-decoration: line-through; text-decoration-color: oklch(from var(--bad) l c h / 0.5); }
.ip-diff-row .to { color: var(--good); }

/* Visually hidden */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Focus rings */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Mobile menu */
.menu-btn { display: none; }
@media (max-width: 700px) {
  .menu-btn { display: inline-flex; }
  .topbar .nav { display: none; }
  .topbar .nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 60px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--line-soft);
    padding: 8px;
  }
  .topbar .nav.open .nav-btn { width: 100%; justify-content: flex-start; }
}

/* Tweaks panel z-index harmony */
.tweaks-fab, .tweaks-panel { z-index: 200 !important; }

/* Impersonation banner — admin acting as another user */
.impersonate-banner {
  position: sticky; top: 0; z-index: 25;
  background: oklch(from var(--warn) l c h / 0.18);
  border-bottom: 1px solid oklch(from var(--warn) l c h / 0.4);
  color: var(--text);
  font-size: 13px;
}
.impersonate-banner-inner {
  max-width: 1240px; margin: 0 auto; padding: 8px 20px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.impersonate-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 999px;
  background: oklch(from var(--warn) l c h / 0.25);
  color: var(--warn);
  flex-shrink: 0;
}
.impersonate-text { color: var(--text-muted); }
.impersonate-text b { color: var(--text); font-weight: 600; }
.impersonate-stop {
  margin-left: auto;
  color: var(--warn); text-decoration: none; font-weight: 600;
  padding: 4px 10px; border-radius: var(--r-pill);
  border: 1px solid oklch(from var(--warn) l c h / 0.4);
}
.impersonate-stop:hover {
  background: oklch(from var(--warn) l c h / 0.15);
  text-decoration: none;
}
@media (max-width: 600px) {
  .impersonate-banner-inner { padding: 8px 14px; }
  .impersonate-stop { margin-left: 0; }
}