:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --border: #dde1e6;
  --accent: #2f6fde;
  --ok: #1f8a4c;
  --warn: #b86e00;
  --bad: #c62f2f;
  --info: #5b5bd6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 2px 8px rgba(0, 0, 0, .04);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --surface: #1a1e24;
    --surface-2: #232830;
    --text: #e6e9ee;
    --muted: #9aa5b3;
    --border: #2e343d;
    --accent: #6ea0ff;
    --ok: #4cc685;
    --warn: #f0a83a;
    --bad: #ff6b6b;
    --info: #9a9aff;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

.muted { color: var(--muted); }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px 0;
}
.brand h1 { margin: 0; font-size: 20px; }
.brand p { margin: 2px 0 10px; }

#tabs { display: flex; gap: 4px; overflow-x: auto; }
#tabs button {
  border: 0;
  background: none;
  color: var(--muted);
  padding: 10px 14px;
  font: inherit;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
#tabs button:hover { color: var(--text); }
#tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }

main { padding: 20px 24px 40px; max-width: 1600px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; }

/* Cards */
.grid { display: grid; gap: 14px; }
.stats { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); margin-bottom: 18px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.card h2, .card h3 { margin: 0 0 12px; font-size: 15px; }
.card h3 { font-size: 14px; }
.stat .value { font-size: 26px; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat .label { color: var(--muted); font-size: 12.5px; }
.stat .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Bars */
.bars { display: flex; flex-direction: column; gap: 7px; }
.bar-row { display: grid; grid-template-columns: 150px 1fr 54px; align-items: center; gap: 10px; font-size: 13px; }
.bar-row .lbl { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .track { display: block; background: var(--surface-2); border-radius: 4px; height: 12px; overflow: hidden; }
.bar-row .fill { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.bar-row .num { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); }
.bar-row.clickable { cursor: pointer; }
.bar-row.clickable:hover .lbl { color: var(--accent); }
.fill.ok { background: var(--ok); }
.fill.warn { background: var(--warn); }
.fill.bad { background: var(--bad); }
.fill.info { background: var(--info); }

/* Badges */
.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 550;
  background: var(--surface-2);
  color: var(--text);
  white-space: nowrap;
  margin: 1px 2px 1px 0;
}
.badge.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.bad { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }
.badge.info { background: color-mix(in srgb, var(--info) 16%, transparent); color: var(--info); }
.pill { background: var(--bad); color: #fff; border-radius: 999px; padding: 0 6px; font-size: 11px; margin-left: 4px; }
.pill:empty { display: none; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.filters input, .filters select, button.ghost {
  font: inherit;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}
.filters input[type=search] { min-width: 260px; flex: 1 1 260px; }
button.ghost { cursor: pointer; }
button.ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Tables */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
table.data th.asc::after { content: " ▲"; font-size: 10px; }
table.data th.desc::after { content: " ▼"; font-size: 10px; }
table.data tbody tr { cursor: pointer; }
table.data tbody tr:hover { background: var(--surface-2); }
table.data td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.plain { width: 100%; border-collapse: collapse; font-size: 13px; }
table.plain td, table.plain th { padding: 5px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.plain th { color: var(--muted); font-weight: 500; width: 42%; }
table.plain tr:last-child td, table.plain tr:last-child th { border-bottom: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Clients */
.client-card .head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.client-card .head h3 { margin: 0; }
.client-card ul { list-style: none; margin: 10px 0 0; padding: 0; }
.client-card li { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-top: 1px dashed var(--border); font-size: 13px; }
.client-card li span.link { cursor: pointer; color: var(--accent); }
.kv { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--muted); margin-top: 6px; }

/* Issues */
.issue { display: grid; grid-template-columns: 90px 1fr; gap: 10px; padding: 9px 0; border-top: 1px solid var(--border); }
.issue:first-of-type { border-top: 0; }
.issue .what { font-weight: 550; }
.issue .targets { margin-top: 4px; }
.issue .targets .badge { cursor: pointer; }

/* Drawer */
#backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .35); z-index: 20; }
#drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(640px, 100%);
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 30;
  overflow-y: auto;
}
.drawer-inner { padding: 20px 22px 40px; position: relative; }
#drawer-close { position: absolute; top: 14px; right: 14px; }
#drawer h2 { margin: 0 40px 4px 0; font-size: 19px; word-break: break-all; }
#drawer h3 { margin: 22px 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }

footer { padding: 0 24px 30px; max-width: 1600px; margin: 0 auto; font-size: 12.5px; }

@media (max-width: 700px) {
  .top, main, footer { padding-left: 16px; padding-right: 16px; }
  .bar-row { grid-template-columns: 100px 1fr 44px; }
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .filters input[type=search] { min-width: 0; }
}

/* ---------- v1: login, toolbar, banner, charts ---------- */
[hidden] { display: none !important; }
.top-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.toolbar { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
button.primary {
  font: inherit; font-weight: 600; padding: 9px 14px; border: 0; border-radius: 8px;
  background: var(--accent); color: #fff; cursor: pointer;
}
button:disabled { opacity: .55; cursor: progress; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: min(360px, 100%); display: flex; flex-direction: column; gap: 12px; }
.login h1 { margin: 0 0 4px; font-size: 20px; }
.login label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login input { font: inherit; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }
.error { color: var(--bad); margin: 0; font-size: 13px; }

.banner { margin: 14px 24px 0; padding: 10px 14px; border-radius: 8px; font-size: 13px;
  background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--text); border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent); }
.banner.bad { background: color-mix(in srgb, var(--bad) 12%, transparent); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }

.chart { width: 100%; height: 220px; display: block; }
.chart .grid line { stroke: var(--border); }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart .area { fill: color-mix(in srgb, var(--accent) 14%, transparent); stroke: none; }
.chart .dot { fill: var(--accent); }
.history-head { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.history-head select { font: inherit; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); }

.spark { display: flex; gap: 1px; align-items: flex-end; height: 26px; margin-top: 6px; }
.spark span { flex: 1; min-width: 2px; border-radius: 1px; background: var(--ok); }
.spark span.down { background: var(--bad); }
.spark span.warn { background: var(--warn); }

.change { display: grid; grid-template-columns: 150px 110px 1fr; gap: 10px; padding: 7px 0; border-top: 1px solid var(--border); font-size: 13px; }
.change:first-child { border-top: 0; }
@media (max-width: 700px) {
  .banner { margin: 12px 16px 0; }
  .change { grid-template-columns: 1fr; gap: 2px; }
}

/* ---------- v1.1: backend, external links, drawer navigation, sub-table ---------- */
.badge.dim { opacity: .5; }
a.ext { display: inline-flex; align-items: baseline; gap: 3px; word-break: break-all; }
a.ext .ext-icon {
  display: inline-block; font-size: 11px; line-height: 1; padding: 1px 3px; border-radius: 4px;
  background: color-mix(in srgb, var(--accent) 14%, transparent); text-decoration: none;
}
button.ghost.back { margin: 0 0 10px; padding: 4px 10px; font-size: 12.5px; max-width: calc(100% - 50px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
table.data.compact { font-size: 12.5px; }
table.data.compact th, table.data.compact td { padding: 6px 8px; }
table.data th.num { text-align: right; }
.php-change { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 8px; }
.php-change select { font: inherit; padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); max-width: 100%; }
.php-change button.ghost { padding: 5px 10px; }
.card.stat.clickable { cursor: pointer; }
.card.stat.clickable:hover { border-color: var(--accent); }