:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --ink: #1c2430;
  --muted: #6b7684;
  --line: #e2e6ea;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --danger: #b42318;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141a; --panel: #171e26; --ink: #e6eaef; --muted: #9aa6b2;
    --line: #263038; --accent: #3b82f6; --shadow: none;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}
code { background: rgba(127,127,127,.15); padding: .05em .35em; border-radius: 4px; font-size: .9em; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card {
  width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 1.75rem; box-shadow: var(--shadow); display: grid; gap: .85rem;
}
.login-card h1 { margin: 0; font-size: 1.4rem; }
.login-card .sub { margin: 0 0 .25rem; color: var(--muted); font-size: .9rem; }
.login-card label { display: grid; gap: .3rem; font-size: .82rem; color: var(--muted); }
.login-card input {
  padding: .6rem .7rem; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font-size: 1rem;
}
.alert {
  background: rgba(180, 35, 24, .1); color: var(--danger); border: 1px solid rgba(180,35,24,.25);
  padding: .55rem .7rem; border-radius: 8px; font-size: .88rem;
}
.login-card.wide { max-width: 420px; }
.login-card .qr { display: grid; place-items: center; padding: .5rem; background: #fff; border-radius: 10px; }
.login-card .qr img { display: block; width: 200px; height: 200px; }
.login-card .secret {
  display: block; text-align: center; font-size: 1rem; letter-spacing: .05em;
  word-break: break-all; background: rgba(127,127,127,.15); padding: .5rem; border-radius: 8px;
}
.muted-link { text-align: center; color: var(--muted); font-size: .85rem; text-decoration: none; }
.muted-link:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  background: var(--accent); color: var(--accent-ink); border: 1px solid transparent;
  padding: .55rem .9rem; border-radius: 8px; font-size: .9rem; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.small { padding: .32rem .7rem; font-size: .82rem; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); font-weight: 500; }
button.btn { font-family: inherit; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 1.25rem;
  background: var(--panel); border-bottom: 1px solid var(--line); padding: .7rem 1.25rem;
}
.topbar .brand { font-weight: 700; }
.topbar .stats { display: flex; gap: 1rem; color: var(--muted); font-size: .9rem; }
.topbar .stats strong { color: var(--ink); }
.topbar .who { margin-left: auto; display: flex; align-items: center; gap: .8rem; color: var(--muted); }

/* Main */
.wrap { max-width: 1000px; margin: 0 auto; padding: 1.25rem; }
.notice {
  background: rgba(37,99,235,.08); border: 1px solid rgba(37,99,235,.25); color: var(--ink);
  padding: .7rem .9rem; border-radius: 10px; margin-bottom: 1rem; font-size: .9rem;
}
.toolbar { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.toolbar #search {
  flex: 1 1 320px; padding: .6rem .8rem; border: 1px solid var(--line); border-radius: 8px;
  background: var(--panel); color: var(--ink); font-size: .95rem;
}
.toolbar-actions { display: flex; gap: .4rem; }
.toolbar .count { color: var(--muted); font-size: .85rem; white-space: nowrap; }

/* Domain groups */
.domain { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; margin-bottom: .6rem; overflow: hidden; }
.domain-head {
  width: 100%; display: flex; align-items: center; gap: .7rem; padding: .7rem .9rem;
  background: transparent; border: 0; cursor: pointer; text-align: left; color: var(--ink); font: inherit;
}
.domain-head:hover { background: rgba(127,127,127,.05); }
.domain-head .chev { transition: transform .15s ease; color: var(--muted); }
.domain-head[aria-expanded="true"] .chev { transform: rotate(90deg); }
.domain-head .dname { font-weight: 650; }
.domain-head .owner { color: var(--muted); font-size: .82rem; }
.domain-head .badge {
  margin-left: auto; background: rgba(127,127,127,.15); color: var(--ink);
  border-radius: 999px; padding: .05rem .55rem; font-size: .78rem; font-weight: 600;
}
.domain-head .dsk { color: var(--muted); font-size: .82rem; min-width: 68px; text-align: right; }

.domain-body { border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .5rem .9rem; text-align: left; border-top: 1px solid var(--line); }
thead th { border-top: 0; color: var(--muted); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: rgba(127,127,127,.05); }
td.email { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88rem; }
.num { text-align: right; white-space: nowrap; color: var(--muted); }
th.num { text-align: right; }
.act, th.act { text-align: right; width: 1%; white-space: nowrap; }
.act form { margin: 0; }
.empty { text-align: center; color: var(--muted); padding: 2rem; }