/* Layout and app-specific pieces only. Palette, buttons, the file drop, step
   badges, cards and status messages come from shared/ui/. */

:root {
  --accent: var(--accent-swim);
  --accent-rgb: var(--accent-swim-rgb);
  --series-1-dim: #9ec5f4;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --series-1-dim: #1c5cab;
  }
}

:root[data-theme="dark"] {
  --series-1-dim: #1c5cab;
}

body { font-size: 14px; -webkit-font-smoothing: antialiased; }

h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 15px; }
h3 { font-size: 13px; }



/* ---- Buttons ---- */


/* ---- Panels ---- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 16px;
}
.panel-head {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.panel-head .grow { flex: 1; }
.panel-body { padding: 16px; }

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

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 1px;
  background: var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--surface); padding: 13px 15px; }
.stat .label {
  font-size: 11px; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.05em; font-weight: 600;
}
.stat .value { font-size: 21px; font-weight: 600; margin-top: 3px; letter-spacing: -0.02em; }
.stat .was {
  font-size: 11px; color: var(--text-secondary); margin-top: 1px;
  display: flex; align-items: center; gap: 4px;
}
.stat .was s { color: var(--text-muted); text-decoration: line-through; }
.stat.changed .value { color: var(--good-text); }

/* ---- Chart ---- */

.chart-wrap { overflow-x: auto; padding: 4px 0 0; }
.chart { display: block; min-width: 100%; }
.chart .grid line { stroke: var(--gridline); stroke-width: 1; shape-rendering: crispEdges; }
.chart .axis text { fill: var(--text-muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart .baseline { stroke: var(--baseline); stroke-width: 1; shape-rendering: crispEdges; }
.chart .median-line { stroke: var(--text-muted); stroke-width: 1; stroke-dasharray: 4 3; }
.chart .median-label { fill: var(--text-muted); font-size: 10px; }
.chart .bar { cursor: pointer; }
.chart .bar rect { transition: opacity 100ms; }
.chart .bar:hover rect.fill { opacity: 0.8; }
.chart .bar.selected rect.hit { stroke: var(--text); stroke-width: 2; fill: none; rx: 4; }
.chart .edit-underline { fill: var(--good-text); }
.chart .flag { font-size: 11px; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 10px 16px 14px; }
.legend .item { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-secondary); }
.legend .swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; }

/* ---- Tooltip ---- */

.tooltip {
  position: fixed; z-index: 60; pointer-events: none;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  box-shadow: var(--shadow); padding: 8px 10px; font-size: 12px;
  min-width: 130px; opacity: 0; transition: opacity 90ms;
}
.tooltip.show { opacity: 1; }
.tooltip .t-title { font-weight: 600; margin-bottom: 4px; }
.tooltip .t-row { display: flex; justify-content: space-between; gap: 14px; color: var(--text-secondary); }
.tooltip .t-row b { color: var(--text); font-weight: 550; font-variant-numeric: tabular-nums; }
.tooltip .t-note { margin-top: 5px; padding-top: 5px; border-top: 1px solid var(--border); }

/* ---- Issue list ---- */

.issue {
  display: flex; gap: 12px; padding: 13px 16px;
  border-bottom: 1px solid var(--border); align-items: flex-start;
}
.issue:last-child { border-bottom: 0; }
.issue .badge {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; font-size: 12px; margin-top: 1px;
}
.issue .badge.missed { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.issue .badge.false { background: color-mix(in srgb, var(--warning) 26%, transparent); color: #8a5d00; }
.issue .badge.done { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good-text); }
:root[data-theme="dark"] .issue .badge.false { color: #f5c869; }
.issue .grow { flex: 1; min-width: 0; }
.issue .title { font-weight: 600; }
.issue .detail { color: var(--text-secondary); font-size: 13px; }
.issue .actions { display: flex; gap: 6px; flex: none; align-items: center; }
.issue.resolved { background: color-mix(in srgb, var(--good) 4%, transparent); }
.issue.dismissed { opacity: 0.6; }

.confidence {
  font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.empty { padding: 28px 16px; text-align: center; color: var(--text-secondary); }
.empty .tick { font-size: 22px; color: var(--good-text); display: block; margin-bottom: 6px; }

/* ---- Sensitivity control ---- */

.control-row { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-secondary); }
.control-row input[type=range] { width: 120px; accent-color: var(--accent); }
.control-row label { display: flex; align-items: center; gap: 7px; white-space: nowrap; }

/* ---- Split editor ---- */

.backdrop {
  position: fixed; inset: 0; z-index: 50; background: rgba(0, 0, 0, 0.45);
  display: grid; place-items: center; padding: 20px;
}
.modal {
  background: var(--surface); border-radius: 14px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
  width: min(660px, 100%); max-height: 90vh; overflow: auto;
}
.modal-head { padding: 16px 18px 0; }
.modal-head p { color: var(--text-secondary); margin: 5px 0 0; font-size: 13px; }
.modal-body { padding: 18px; }
.modal-foot {
  display: flex; gap: 8px; justify-content: flex-end;
  padding: 14px 18px; border-top: 1px solid var(--border);
}

.split-vis { position: relative; margin: 22px 0 10px; }
.split-track {
  position: relative; height: 54px; border-radius: 8px; overflow: hidden;
  background: var(--gridline); display: flex;
}
.split-half {
  height: 100%; display: grid; place-items: center;
  font-size: 12px; font-weight: 600; color: #fff;
  background: var(--accent); transition: width 60ms linear;
}
.split-half.b { background: var(--series-1-dim); color: var(--text); }
.split-slider { width: 100%; margin: 12px 0 0; accent-color: var(--accent); display: block; }
.split-readout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px;
}
.split-card { border: 1px solid var(--border); border-radius: 8px; padding: 11px 12px; }
.split-card .h { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); font-weight: 600; }
.split-card .v { font-size: 17px; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.split-card .sub { font-size: 12px; color: var(--text-secondary); font-variant-numeric: tabular-nums; }
.split-card.warn { border-color: color-mix(in srgb, var(--warning) 55%, transparent); }

.stroke-row { display: flex; align-items: center; gap: 10px; margin-top: 16px; font-size: 13px; }
.stroke-row input[type=number] {
  width: 62px; font: inherit; padding: 5px 7px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--page); color: var(--text);
}
.note {
  margin-top: 14px; padding: 10px 12px; border-radius: 8px;
  background: var(--page); border: 1px solid var(--border);
  font-size: 12px; color: var(--text-secondary);
}

/* ---- Export summary ---- */

.changes { width: 100%; border-collapse: collapse; font-size: 13px; }
.changes th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); font-weight: 600; padding: 0 10px 7px 0;
}
.changes td { padding: 6px 10px 6px 0; border-top: 1px solid var(--border); font-variant-numeric: tabular-nums; }
.changes td.to { font-weight: 600; }
.changes td.to.up { color: var(--good-text); }
.changes .arrow { color: var(--text-muted); }

.callout {
  display: flex; gap: 10px; padding: 12px 14px; border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent);
  font-size: 13px; margin-top: 14px;
}
.callout ol { margin: 6px 0 0; padding-left: 18px; }
.callout li { margin: 2px 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Length table (the accessible view of the chart) ---- */

.table-wrap { overflow-x: auto; }
table.lengths { width: 100%; border-collapse: collapse; font-size: 13px; }
table.lengths th {
  position: sticky; top: 0; background: var(--surface); text-align: right;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-muted); font-weight: 600; padding: 8px 10px; white-space: nowrap;
  border-bottom: 1px solid var(--border);
}
table.lengths th:first-child, table.lengths td:first-child { text-align: left; }
table.lengths th.l, table.lengths td.l { text-align: left; }
table.lengths td {
  padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
table.lengths tr:hover td { background: color-mix(in srgb, var(--accent) 5%, transparent); }
table.lengths tr.rest td { color: var(--text-muted); font-style: italic; }
table.lengths tr.flagged td { background: color-mix(in srgb, var(--danger) 7%, transparent); }
table.lengths tr.edited td { background: color-mix(in srgb, var(--good) 6%, transparent); }
.tag {
  display: inline-flex; align-items: center; gap: 4px; font-size: 11px;
  padding: 1px 6px; border-radius: 20px; font-weight: 600;
}
.tag.missed { background: color-mix(in srgb, var(--danger) 16%, transparent); color: var(--danger); }
.tag.false { background: color-mix(in srgb, var(--warning) 26%, transparent); color: #8a5d00; }
.tag.done { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good-text); }
.tag.rest { background: var(--gridline); color: var(--text-secondary); }
:root[data-theme="dark"] .tag.false { color: #f5c869; }

@media (max-width: 640px) {
  .split-readout { grid-template-columns: 1fr; }
  .issue { flex-wrap: wrap; }
  .issue .actions { width: 100%; justify-content: flex-end; }
}