:root {
  --bg: #f6f6f3; --fg: #1d1f21; --muted: #6b6f73; --card: #fff; --line: #e2e2dc;
  --accent: #1f6feb; --accent-fg: #fff; --ok: #1a7f37; --warn: #9a6700; --bad: #c62828;
  --add-bg: #e6f4ea; --del-bg: #fdecea; --mod-bg: #fff8e1; --code: #f0f0eb;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141517; --fg: #e4e4e1; --muted: #9a9ea3; --card: #1d1f22; --line: #2e3135;
    --accent: #4c8dff; --ok: #4ac26b; --warn: #d4a72c; --bad: #f47067;
    --add-bg: #12301c; --del-bg: #3a1714; --mod-bg: #332a0d; --code: #26282c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.45rem; margin: 0 0 12px; word-break: break-all; }
h2 { font-size: 1.1rem; margin: 22px 0 10px; }
code, .mono, pre { font-family: var(--mono); font-size: .92em; }
code { background: var(--code); padding: 1px 4px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: .85em; }

/* header */
.top { display: flex; align-items: center; gap: 18px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--fg); letter-spacing: .05em; }
.top nav { display: flex; gap: 14px; flex: 1; }
.top nav a { color: var(--muted); }
.top nav a[aria-current] { color: var(--fg); font-weight: 600; }
.pending-link.has b { background: var(--warn); color: #fff; border-radius: 10px; padding: 0 7px; font-size: .85em; }
.logout { margin: 0; }

/* blocks */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin: 0 0 14px; }
.card > h2:first-child { margin-top: 0; }
.head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 16px; margin-bottom: 8px; }
.head h1 { margin: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: var(--add-bg); border: 1px solid var(--ok); }
.flash.bad { background: var(--del-bg); border-color: var(--bad); }
.banner { display: block; padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: var(--mod-bg); border: 1px solid var(--warn); color: var(--fg); }
.err { color: var(--bad); font-weight: 500; margin: 0 0 10px; }
.err:empty { display: none; }
.warn { color: var(--warn); }
.hint { color: var(--muted); font-size: .88em; margin: 6px 0 10px; }
.foot { margin-top: 30px; font-size: .85em; }
.badge { display: inline-block; font-size: .78em; padding: 1px 7px; border-radius: 10px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.bad { color: var(--bad); border-color: var(--bad); }

/* forms */
label { display: block; margin: 0 0 10px; font-size: .9em; color: var(--muted); }
label.inline { display: flex; gap: 8px; align-items: center; color: var(--fg); }
input, textarea, select, button, .btn { font: inherit; }
input:not([type=checkbox]):not([type=radio]):not([type=file]), textarea {
  display: block; width: 100%; margin-top: 4px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--fg);
}
input[readonly] { opacity: .65; }
textarea { font-family: var(--mono); font-size: .9em; resize: vertical; white-space: pre-wrap; overflow-wrap: anywhere; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
fieldset { border: 0; padding: 0; margin: 10px 0; }
legend { font-size: .9em; color: var(--muted); margin-bottom: 6px; }
.grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
button, .btn { display: inline-block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 6px; background: var(--card); color: var(--fg); cursor: pointer; }
button:hover, .btn:hover { border-color: var(--muted); text-decoration: none; }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
button.danger { color: var(--bad); border-color: var(--bad); }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; }
.actions form { margin: 0; }
.actions.sticky { position: sticky; bottom: 0; background: var(--bg); padding: 10px 0; border-top: 1px solid var(--line); }
details > summary { cursor: pointer; }
details.add > summary { font-weight: 600; color: var(--accent); }
details.add[open] > summary { margin-bottom: 10px; }
.login { max-width: 360px; margin: 10vh auto; }
.login h1 { font-size: 1.2rem; }
.login button { width: 100%; margin-top: 6px; }

/* zone list */
table.zones { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
table.zones th, table.zones td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
table.zones th { font-weight: 500; color: var(--muted); font-size: .85em; }
table.zones tr:last-child td { border-bottom: 0; }

/* records */
.rrlist { background: var(--card); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.rr-head, .rr-line { display: grid; grid-template-columns: minmax(90px, 1.2fr) 70px 70px 4fr; gap: 10px; padding: 8px 12px; }
.rr-head { color: var(--muted); font-size: .85em; border-bottom: 1px solid var(--line); }
.rr { border-bottom: 1px solid var(--line); }
.rr:last-child { border-bottom: 0; }
.rr > summary { list-style: none; }
.rr > summary::-webkit-details-marker { display: none; }
.rr-line:hover { background: var(--bg); }
.rr[open] > .rr-line { background: var(--bg); }
.rr-line .n { font-weight: 600; word-break: break-all; }
.rr-line .ty { font-weight: 600; color: var(--accent); }
.rr-line .v { font-family: var(--mono); font-size: .88em; min-width: 0; }
.rec { display: block; overflow-wrap: anywhere; }
.rec.off { color: var(--muted); text-decoration: line-through; }
.rr.new > .rr-line { background: var(--add-bg); }
.rr.mod > .rr-line { background: var(--mod-bg); }
.rr.deleted .rr-line { background: var(--del-bg); text-decoration: line-through; opacity: .75; }
.rr-edit { padding: 12px; border-top: 1px dashed var(--line); }
.rr-edit form.del { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.rr-edit form.del label { margin: 0; }

/* review / audit */
.change { border-top: 1px solid var(--line); padding: 10px 0; }
.change:first-of-type { border-top: 0; }
.change-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.change-head .right { margin-left: auto; }
pre.diff { margin: 6px 0 0; padding: 8px 10px; background: var(--code); border-radius: 6px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .85em; }
pre.diff .add { background: var(--add-bg); color: var(--ok); display: inline-block; width: 100%; }
pre.diff .del { background: var(--del-bg); color: var(--bad); display: inline-block; width: 100%; }
pre.diff .keep { color: var(--muted); }
pre.diff .off { opacity: .7; }
pre.copy { background: var(--code); padding: 8px 10px; border-radius: 6px; white-space: pre-wrap; overflow-wrap: anywhere; user-select: all; }
.key { margin: 10px 0; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }
form.props { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; margin-top: 12px; }
form.props label { margin: 0; }
.danger-zone summary, section.danger-zone h2 { color: var(--bad); }
.audit .entry { padding: 9px 0; border-bottom: 1px solid var(--line); }
.entry-head { display: flex; flex-wrap: wrap; gap: 4px 12px; }
.entry .act { font-weight: 600; }
.entry.login_failed .act, .entry.zone_delete .act { color: var(--bad); }
.audit pre.small { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 300px; overflow: auto; }

/* phones */
@media (max-width: 640px) {
  main { padding: 10px; }
  .top { gap: 12px; padding: 8px 10px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .grid label:first-child { grid-column: 1 / -1; }
  .grid2 { grid-template-columns: 1fr; }
  .rr-head { display: none; }
  .rr-line { grid-template-columns: 1fr auto auto; gap: 2px 10px; }
  .rr-line .v { grid-column: 1 / -1; }
  .rr-line .t { color: var(--muted); }
  table.zones thead { display: none; }
  table.zones, table.zones tbody, table.zones tr, table.zones td { display: block; }
  table.zones tr { border-bottom: 1px solid var(--line); padding: 6px 0; }
  table.zones td { border: 0; padding: 2px 12px; }
  table.zones td:not(:first-child) { display: inline-block; color: var(--muted); font-size: .85em; }
}
@media (max-width: 640px) {
  table.zones td[data-l="DNSSEC"]::before { content: "DNSSEC: "; }
}