:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1c1f23;
  --muted: #7a8591;
  --border: #e4e8ec;
  --accent: #2481cc;
  --accent-soft: #e5f1fb;
  --good: #2e9e5b;
  --warn: #d9900b;
  --bad: #d64545;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --card: #182029;
    --text: #e6eaee;
    --muted: #8d99a6;
    --border: #26313c;
    --accent: #4ea4f6;
    --accent-soft: #1c3247;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Khmer", sans-serif;
}
button, input, select { font: inherit; color: inherit; }
.muted { color: var(--muted); font-weight: 400; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 600; color: var(--accent); }
.brand > span:first-of-type { color: var(--text); }
.brand .logo { display: block; flex: none; }
.brand .pro { font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 2px 7px; border-radius: 6px; background: var(--accent); color: #fff; vertical-align: 2px; }
.badge { font-size: 11px; font-weight: 700; letter-spacing: .04em; padding: 3px 8px; border-radius: 999px; background: #fff3d6; color: #8a5a00; }
.account { display: flex; gap: 18px; flex-wrap: wrap; font-size: 13px; }
.account b { font-size: 15px; }

main { max-width: 1280px; margin: 0 auto; padding: 20px 24px 60px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; box-shadow: var(--shadow); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h2 { margin: 0; font-size: 16px; }

.filters { display: grid; gap: 12px; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.presets button, .seg button {
  border: 1px solid var(--border); background: transparent; padding: 6px 12px; border-radius: 999px; cursor: pointer;
}
.presets button:hover, .seg button:hover { border-color: var(--accent); }
.presets button.on, .seg button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.range { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.range label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
.range .dt { display: flex; gap: 6px; }
input[type=date], input[type=time], input[type=search], select {
  border: 1px solid var(--border); background: var(--card); border-radius: 8px; padding: 7px 10px; min-height: 36px;
}
button.primary { background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 8px 18px; font-weight: 600; cursor: pointer; min-height: 36px; }
button.ghost { background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; cursor: pointer; min-height: 36px; }
button.ghost:hover { border-color: var(--accent); color: var(--accent); }

.error { background: #fdecec; color: #8f1f1f; border: 1px solid #f5c2c2; border-radius: 10px; padding: 12px 14px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) { .kpis { grid-template-columns: repeat(2, 1fr); } }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.kpi .value { font-size: 24px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--muted); font-size: 12px; }

.seg { display: flex; gap: 4px; flex-wrap: wrap; }
.chart-wrap { position: relative; height: 320px; }
.chart-wrap.small { height: 260px; }

.table-tools { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.check { display: flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { font-size: 12px; color: var(--muted); font-weight: 600; cursor: pointer; user-select: none; }
th.sorted::after { content: " ▾"; }
th.sorted.asc::after { content: " ▴"; }
.num { text-align: right; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--accent-soft); }
tfoot td { font-weight: 700; border-bottom: 0; }
td.title { max-width: 320px; overflow: hidden; text-overflow: ellipsis; }
td.title small { display: block; color: var(--muted); }
.status { font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--border); }
.status.active { background: #dcf3e5; color: #1d6b3d; }
.status.on_hold, .status.in_review, .status.ready_for_review { background: #fff1d6; color: #87580a; }
.status.declined { background: #fbe0e0; color: #8f1f1f; }
.empty { text-align: center; color: var(--muted); padding: 30px; }


.loading { position: fixed; inset: 0; display: grid; place-items: center; background: rgba(255,255,255,.4); z-index: 30; }
.loading[hidden] { display: none; }
.spinner { width: 36px; height: 36px; border: 4px solid var(--accent-soft); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .topbar, main { padding-left: 16px; padding-right: 16px; }
  .kpi .value { font-size: 20px; }
}

.account-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

.ad-pick select { min-width: 220px; max-width: 320px; }
.ad-info { display: grid; gap: 12px; border-color: var(--accent); }
.ad-info .head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.ad-info h2 { margin: 0; font-size: 18px; }
.ad-info .meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; font-size: 13px; }
.ad-info .meta div { background: var(--bg); border-radius: 8px; padding: 8px 10px; overflow-wrap: anywhere; }
.ad-info .meta span { display: block; color: var(--muted); font-size: 11px; }
.ad-info .text { white-space: pre-wrap; font-size: 13px; background: var(--bg); border-radius: 8px; padding: 10px 12px; margin: 0; }
tr.selected { background: var(--accent-soft); }
tr.unlisted td { color: var(--muted); font-style: italic; }
tr.zero td { color: var(--muted); }

a { color: var(--accent); }
.small { font-size: 12px; }
.acc-switch { display: grid; gap: 2px; font-size: 12px; }
.acc-switch select { min-width: 200px; font-weight: 600; }
.user-menu { display: flex; align-items: center; gap: 6px; }
.user-chip { font-size: 13px; font-weight: 600; }
.role { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 999px; background: var(--border); color: var(--muted); }
.role.admin { background: var(--accent); color: #fff; }

.auth { max-width: 420px; margin: 56px auto; padding: 24px; }
.auth h2 { margin: 0 0 6px; font-size: 20px; }
.auth form, dialog form { display: grid; gap: 12px; margin-top: 12px; }
.auth label, dialog label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
.auth input, dialog input, .inline-form input, dialog select {
  border: 1px solid var(--border); background: var(--card); border-radius: 8px; padding: 8px 12px; min-height: 40px; color: var(--text);
}
.auth .error, dialog .error { margin-top: 4px; }

.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.admin-head h1 { margin: 0; font-size: 22px; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.inline-form input { flex: 1 1 200px; }
.conn { border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-top: 10px; display: grid; gap: 6px; }
.conn-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.conn code { font-size: 12px; color: var(--muted); }
.conn ul { margin: 0; padding-left: 18px; font-size: 13px; }
.tag { font-size: 11px; padding: 1px 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-left: 4px; }
button.danger { color: var(--bad); }
button.danger:hover { border-color: var(--bad); color: var(--bad); }
#usersTable td:last-child { text-align: right; white-space: nowrap; }
#usersTable td { white-space: normal; }
#usersTable tbody tr { cursor: default; }

dialog { border: 1px solid var(--border); border-radius: 14px; padding: 20px; width: min(460px, calc(100% - 32px)); background: var(--card); color: var(--text); }
dialog::backdrop { background: rgba(0,0,0,.4); }
dialog h2 { margin: 0; font-size: 18px; }
dialog fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; max-height: 220px; overflow-y: auto; }
dialog legend { font-size: 12px; color: var(--muted); padding: 0 4px; }
.check-row { display: flex !important; flex-direction: row; align-items: center; gap: 8px; color: var(--text) !important; font-size: 14px !important; padding: 4px 0; }
.check-row input { min-height: 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; }
@media (max-width: 640px) { .auth { margin: 16px; } .acc-switch select { min-width: 0; width: 100%; } }

.top-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.top-list li { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 8px; border-radius: 10px; cursor: pointer; }
.top-list li:hover { background: var(--accent-soft); }
.top-list li.empty { display: block; cursor: default; }
.top-list .rank { font-size: 22px; text-align: center; font-weight: 700; color: var(--muted); }
.top-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.top-value { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar { height: 6px; background: var(--border); border-radius: 999px; margin: 6px 0 4px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); border-radius: 999px; }

#promotedTable tbody tr { cursor: pointer; }
#promotedTable td { vertical-align: top; }
#promotedTable .statuses { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }