:root {
  --bg: #0f141a;
  --panel: #171e26;
  --panel-2: #1e2732;
  --border: #2a3644;
  --text: #dbe4ee;
  --muted: #8296ab;
  --accent: #4da3ff;
  --green: #34c07c;
  --red: #e05d5d;
  --amber: #d9a13c;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 5;
}

header .brand { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; }
header .brand span { color: var(--accent); }

nav { display: flex; gap: 4px; }

nav button {
  background: none;
  border: none;
  color: var(--muted);
  font: inherit;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
}

nav button:hover { color: var(--text); background: var(--panel-2); }
nav button.active { color: var(--text); background: var(--panel-2); font-weight: 600; }

header .status { margin-left: auto; font-size: 12px; color: var(--muted); }
header .status .ok { color: var(--green); }
header .status .down { color: var(--red); }

main { max-width: 1180px; margin: 0 auto; padding: 20px; }

h1 { font-size: 18px; margin: 4px 0 14px; }
h2 { font-size: 14px; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }

.cards { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  min-width: 150px;
  flex: 1;
}

.card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }
.card .value { font-size: 22px; font-weight: 700; margin-top: 4px; font-family: var(--mono); }
.card .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.slider-row { display: flex; align-items: center; gap: 16px; }
.slider-row input[type="range"] { flex: 1; accent-color: var(--accent); }
.slider-value { font-family: var(--mono); font-size: 18px; font-weight: 700; min-width: 72px; text-align: right; }

.precision-note { margin-top: 8px; font-size: 13px; color: var(--muted); }
.precision-note strong { color: var(--text); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
td.num, th.num { text-align: right; font-family: var(--mono); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.badge.flag { background: rgba(224, 93, 93, 0.18); color: #ff9c9c; }
.badge.review { background: rgba(217, 161, 60, 0.18); color: #ecc06f; }
.badge.pass { background: rgba(130, 150, 171, 0.15); color: var(--muted); }
.badge.rule { background: rgba(77, 163, 255, 0.15); color: var(--accent); }
.badge.dup { background: rgba(52, 192, 124, 0.18); color: var(--green); }

.pair-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 14px 16px;
}

.pair-card.selected { border-color: var(--accent); }
.pair-card.decided { opacity: 0.62; }
.pair-card.decided.selected { opacity: 1; }

.pair-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.pair-head .score { font-family: var(--mono); font-size: 17px; font-weight: 700; }
.pair-head .ids { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.pair-head .spacer { flex: 1; }

.compare { display: flex; gap: 12px; margin-bottom: 10px; }

.inv-side {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  min-width: 0;
}

.inv-side .side-tag { font-size: 11px; color: var(--muted); margin-bottom: 6px; }

.field-row { display: flex; gap: 8px; font-size: 13px; padding: 1px 0; }
.field-row .k { color: var(--muted); width: 84px; flex-shrink: 0; }
.field-row .v { font-family: var(--mono); overflow-wrap: anywhere; }
.field-row.diff .v { color: var(--amber); }

.breakdown { display: grid; grid-template-columns: 110px 1fr 130px; gap: 4px 10px; align-items: center; }
.breakdown .fname { color: var(--muted); font-size: 12px; }
.breakdown .fval { font-family: var(--mono); font-size: 12px; text-align: right; }

.meter { height: 8px; background: #0c1015; border-radius: 4px; overflow: hidden; }
.meter i { display: block; height: 100%; border-radius: 4px; }

.actions { display: flex; gap: 10px; margin-top: 12px; align-items: center; flex-wrap: wrap; }

.btn {
  font: inherit;
  font-weight: 600;
  border-radius: 6px;
  padding: 8px 16px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}

.btn:hover { border-color: var(--muted); }
.btn.duplicate { background: rgba(52, 192, 124, 0.16); border-color: rgba(52, 192, 124, 0.5); color: var(--green); }
.btn.not-duplicate { background: rgba(224, 93, 93, 0.14); border-color: rgba(224, 93, 93, 0.5); color: var(--red); }
.btn:disabled { opacity: 0.45; cursor: default; }

.actions .decided-as { font-size: 13px; }
.actions .kbd-hint { margin-left: auto; color: var(--muted); font-size: 12px; }
kbd {
  font-family: var(--mono);
  font-size: 11px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 5px;
}

.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar select, .toolbar input[type="text"] {
  font: inherit;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
}
.toolbar label { color: var(--muted); font-size: 13px; display: flex; align-items: center; gap: 6px; }
.toolbar .progress { margin-left: auto; font-family: var(--mono); font-size: 13px; color: var(--muted); }

.pager { display: flex; gap: 10px; align-items: center; margin-top: 12px; }
.pager .info { color: var(--muted); font-size: 13px; }

.histogram { display: flex; align-items: flex-end; gap: 3px; height: 110px; padding-top: 8px; }
.histogram .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; position: relative; }
.histogram .seg { width: 100%; }
.histogram .seg.gt { background: var(--red); }
.histogram .seg.nongt { background: #37506b; }
.histogram .tick { font-size: 10px; color: var(--muted); text-align: center; margin-top: 4px; font-family: var(--mono); }

.legend { display: flex; gap: 16px; margin-top: 6px; font-size: 12px; color: var(--muted); }
.legend .swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }

svg.chart text { fill: var(--muted); font-size: 10px; font-family: var(--mono); }
svg.chart .line-precision { stroke: var(--accent); stroke-width: 2; fill: none; }
svg.chart .line-flagged { stroke: var(--amber); stroke-width: 2; fill: none; }
svg.chart .gridline { stroke: var(--border); stroke-width: 1; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 36px;
  text-align: center;
  color: var(--muted);
  cursor: pointer;
}

.dropzone.drag { border-color: var(--accent); color: var(--accent); }

.job-result { margin-top: 14px; font-size: 13px; }
.job-result .err { color: var(--red); }

.empty { color: var(--muted); padding: 30px; text-align: center; }

.muted { color: var(--muted); }
.mono { font-family: var(--mono); }

@media (max-width: 760px) {
  .compare { flex-direction: column; }
  .cards { flex-direction: column; }
}