/* Palette: validated categorical pair (kept/removed) + neutral chrome.
   Light surface #fcfcfb, dark surface #1a1a19. */
:root {
  color-scheme: light;
  --plane: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ec;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --kept: #2a78d6;
  --removed: #d03b3b;
  --focus: #2a78d6;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --plane: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232322;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --kept: #3987e5;
    --removed: #d03b3b;
    --focus: #3987e5;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --plane: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232322;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --kept: #3987e5;
  --removed: #d03b3b;
  --focus: #3987e5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--plane);
  color: var(--text-primary);
  font: 14px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding-block: 20px 48px;
  padding-inline: 16px;
}

/* ------------------------------------------------------------------ header */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 18px;
}

.topbar h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.topbar .sub { color: var(--text-muted); font-size: 13px; }
.topbar .spacer { flex: 1 1 auto; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  font: inherit;
  font-size: 13px;
  padding: 5px 11px;
  border-radius: 8px;
  cursor: pointer;
}
.btn:hover { background: var(--surface-2); color: var(--text-primary); }
.btn:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.btn.ghost { background: transparent; }

.banner {
  border: 1px solid var(--border);
  border-left: 3px solid var(--removed);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 13px;
}

/* ------------------------------------------------------------------ filters */

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

select, input[type="search"] {
  appearance: none;
  font: inherit;
  font-size: 13px;
  padding: 6px 10px;
  min-height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-primary);
  max-width: 100%;
}
select { padding-right: 26px; background-image: none; }
input[type="search"] { min-width: 220px; }
select:focus-visible, input:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }

.filters .spacer { flex: 1 1 auto; }

.userchip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 4px 6px 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-secondary);
}
.userchip button {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: 999px;
}
.userchip button:hover { color: var(--text-primary); }

/* ------------------------------------------------------------------ tiles */

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px 13px;
}
.tile .label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.tile .value { font-size: 26px; font-weight: 640; letter-spacing: -0.02em; line-height: 1.1; }
.tile .note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ------------------------------------------------------------------ cards */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.grid.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 860px) { .grid.two { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  min-width: 0;
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-bottom: 12px;
}
.card-head h2 { margin: 0; font-size: 14px; font-weight: 620; }
.card-head .spacer { flex: 1 1 auto; }

.legend { display: flex; gap: 12px; font-size: 12px; color: var(--text-secondary); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.swatch.kept { background: var(--kept); }
.swatch.removed { background: var(--removed); }

.chart-host { position: relative; }
.chart-host svg { display: block; width: 100%; height: auto; overflow: visible; }
.empty { color: var(--text-muted); font-size: 13px; padding: 24px 0; text-align: center; }

.tooltip {
  position: absolute;
  pointer-events: none;
  z-index: 20;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-primary);
  white-space: nowrap;
  transform: translate(-50%, calc(-100% - 10px));
  opacity: 0;
  transition: opacity 0.1s;
}
.tooltip[data-open="1"] { opacity: 1; }
.tooltip .t-title { font-weight: 620; margin-bottom: 4px; }
.tooltip .t-row { display: flex; align-items: center; gap: 6px; }
.tooltip .t-row b { margin-left: auto; font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------ tables */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0 10px 8px;
  border-bottom: 1px solid var(--grid);
  white-space: nowrap;
}
td { padding: 8px 10px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.mono { font-variant-numeric: tabular-nums; }

.table-scroll { overflow-x: auto; }
/* Narrow screens scroll the table sideways instead of crushing the text column. */
.table-scroll > table { min-width: 480px; }
#messages-table { min-width: 760px; }

.card-head .sub, .card > .sub { font-size: 12px; color: var(--text-muted); }
#clean-note { margin: -6px 0 10px; }

.msg-row { cursor: pointer; }
.msg-row:hover td { background: var(--surface-2); }
.msg-row:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.msg-row.open td { background: var(--surface-2); }

.caret { color: var(--text-muted); display: inline-block; width: 12px; transition: transform 0.12s; }
.msg-row.open .caret { transform: rotate(90deg); }

.cell-time { color: var(--text-secondary); white-space: nowrap; font-variant-numeric: tabular-nums; }
.cell-text { max-width: 0; width: 55%; }
.cell-text .clamp {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.author { display: flex; flex-direction: column; gap: 1px; min-width: 120px; }
.author .name { color: var(--text-primary); }
.author .handle { color: var(--text-muted); font-size: 12px; }

.chip {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-secondary);
  white-space: nowrap;
}

.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; white-space: nowrap; }
.status .dot { width: 8px; height: 8px; border-radius: 999px; flex: none; }
.status.removed { color: var(--removed); }
.status.removed .dot { background: var(--removed); }
.status.kept { color: var(--text-secondary); }
.status.kept .dot { background: var(--kept); }

/* ------------------------------------------------------------------ detail */

.detail td { background: var(--surface-2); padding: 0; }
.detail-inner { padding: 14px 16px 16px 34px; display: grid; gap: 14px; }

.detail-text {
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.55;
}

.kv {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px 20px;
  margin: 0;
}
.kv > div { min-width: 0; }
.kv dt {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 2px;
}
.kv dd { margin: 0; word-break: break-word; font-variant-numeric: tabular-nums; }

.detail-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-actions a.btn { text-decoration: none; display: inline-block; }

/* ------------------------------------------------------------------ pager */

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.pager .spacer { flex: 1 1 auto; }

.loading { opacity: 0.55; transition: opacity 0.15s; }

footer { margin-top: 24px; color: var(--text-muted); font-size: 12px; }