/*
 * Memory Lab.
 *
 * Two colour schemes, both first-class: the variables below are the light
 * set, and every dark override lives in one block that is applied by
 * prefers-color-scheme and by the explicit data-theme switch.
 *
 * .absent is the load-bearing class. A value the artifact could not
 * determine must never look like a measured zero, so it is rendered in its
 * own hue, in italics, under a dashed rule.
 */

:root {
  --bg: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #f0f3f1;
  --text: #16211d;
  --muted: #5c6b65;
  --border: #dbe2de;
  --border-strong: #c3cec8;
  --accent: #2f7d63;
  --accent-soft: #e4f1ea;
  --ok: #1c7a4b;
  --ok-soft: #e2f3e9;
  --bad: #b32d22;
  --bad-soft: #fbe8e6;
  --warn: #91661a;
  --warn-soft: #fbf0da;
  --info: #2c5d92;
  --info-soft: #e6eff8;
  --absent: #8a6a2f;
  --grid: #e6ebe8;
  --shadow: 0 1px 2px rgba(16, 32, 26, .06), 0 8px 24px rgba(16, 32, 26, .04);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101614;
    --surface: #171f1c;
    --surface-2: #1d2724;
    --text: #e4ebe7;
    --muted: #93a29b;
    --border: #263330;
    --border-strong: #35443f;
    --accent: #5fbb96;
    --accent-soft: #17302a;
    --ok: #5fbb8a;
    --ok-soft: #14291f;
    --bad: #e58074;
    --bad-soft: #2e1b19;
    --warn: #d8ab5e;
    --warn-soft: #2c2417;
    --info: #7fb0e0;
    --info-soft: #16232f;
    --absent: #d2a967;
    --grid: #222e2a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

:root[data-theme="dark"] {
  --bg: #101614;
  --surface: #171f1c;
  --surface-2: #1d2724;
  --text: #e4ebe7;
  --muted: #93a29b;
  --border: #263330;
  --border-strong: #35443f;
  --accent: #5fbb96;
  --accent-soft: #17302a;
  --ok: #5fbb8a;
  --ok-soft: #14291f;
  --bad: #e58074;
  --bad-soft: #2e1b19;
  --warn: #d8ab5e;
  --warn-soft: #2c2417;
  --info: #7fb0e0;
  --info-soft: #16232f;
  --absent: #d2a967;
  --grid: #222e2a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
}

:root[data-theme="light"] {
  --bg: #f6f8f7;
  --surface: #ffffff;
  --surface-2: #f0f3f1;
  --text: #16211d;
  --muted: #5c6b65;
  --border: #dbe2de;
  --border-strong: #c3cec8;
  --accent: #2f7d63;
  --accent-soft: #e4f1ea;
  --ok: #1c7a4b;
  --ok-soft: #e2f3e9;
  --bad: #b32d22;
  --bad-soft: #fbe8e6;
  --warn: #91661a;
  --warn-soft: #fbf0da;
  --info: #2c5d92;
  --info-soft: #e6eff8;
  --absent: #8a6a2f;
  --grid: #e6ebe8;
  --shadow: 0 1px 2px rgba(16, 32, 26, .06), 0 8px 24px rgba(16, 32, 26, .04);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--sans);
}

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

code, pre, .mono { font-family: var(--mono); font-size: .88em; }
.wrap { overflow-wrap: anywhere; }
.small { font-size: .86em; }
.muted { color: var(--muted); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.right { text-align: right; }
.sub { color: var(--muted); font-size: .82em; }
.plain { margin: .4rem 0 0; padding-left: 1.1rem; }

/* --- absent ------------------------------------------------------------ */

.absent {
  color: var(--absent);
  font-style: italic;
  font-size: .88em;
  border-bottom: 1px dashed currentColor;
  white-space: nowrap;
}

/* --- chrome ------------------------------------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.topbar-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: .6rem 1.1rem;
}

.brand { display: flex; align-items: center; gap: .5rem; color: var(--text); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.brand-name { letter-spacing: -.01em; }

.nav { display: flex; gap: .15rem; margin-left: .6rem; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: .3rem .65rem;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 500;
}
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent); }

.topbar-actions { display: flex; gap: .35rem; }

.sourcebar {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.1rem .5rem;
  font-size: .84em;
  color: var(--muted);
}
.sourcebar-label { text-transform: uppercase; letter-spacing: .06em; font-size: .85em; }
.sourcebar code { background: var(--surface-2); padding: .1rem .4rem; border-radius: 4px; }

.view { max-width: 1180px; margin: 0 auto; padding: 1.4rem 1.1rem 4rem; }

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1rem 1.1rem 2.4rem;
  color: var(--muted);
  font-size: .84em;
  border-top: 1px solid var(--border);
}

/* --- buttons ----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .34rem .7rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: .88em;
  cursor: pointer;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn-quiet { border-color: var(--border); color: var(--muted); }
.btn-quiet:hover { color: var(--text); }
.btn-small { padding: .2rem .5rem; font-size: .82em; }

.chips { display: flex; gap: .3rem; flex-wrap: wrap; }
.chip {
  padding: .22rem .6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: .84em;
  cursor: pointer;
}
.chip:hover { border-color: var(--border-strong); color: var(--text); }
.chip-active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 500; }

.search, .select {
  padding: .3rem .55rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: .88em;
  min-width: 0;
}
.search { flex: 1; min-width: 12rem; }
.select { width: 100%; }

/* --- page furniture ---------------------------------------------------- */

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.page-head h1 { margin: 0; font-size: 1.5rem; letter-spacing: -.02em; }
.page-head p { margin: .25rem 0 0; }
.page-actions { display: flex; gap: .4rem; flex-wrap: wrap; }
.crumb { font-size: .84em; color: var(--muted); margin-bottom: .2rem; }
.run-title { margin: .1rem 0 0; font-size: 1.15rem; overflow-wrap: anywhere; }

.toolbar { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-bottom: .8rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 .2rem; font-size: 1.02rem; letter-spacing: -.01em; }
.card h3 { margin: 1.2rem 0 .4rem; font-size: .92rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.card > p { margin: .2rem 0 .7rem; }
.card-bad { border-color: var(--bad); }
.card-warn { border-color: var(--warn); }

.notice {
  padding: .55rem .75rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  margin: .6rem 0;
  font-size: .92em;
}
.notice-bad { background: var(--bad-soft); border-color: var(--bad); color: var(--text); }
.notice-warn { background: var(--warn-soft); border-color: var(--warn); color: var(--text); }
.notice-info { background: var(--info-soft); border-color: var(--info); color: var(--text); }
.notice ul { margin: .3rem 0 0; }
.notice .btn { margin-top: .5rem; }

.loading { color: var(--muted); }

/* --- key/value --------------------------------------------------------- */

.kv {
  display: grid;
  grid-template-columns: minmax(7rem, max-content) 1fr;
  gap: .3rem .9rem;
  align-items: baseline;
  margin: .3rem 0 .2rem;
}
.kv-key { color: var(--muted); font-size: .88em; }
.kv-val { overflow-wrap: anywhere; }

.headline {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1rem;
}
.stat {
  flex: 1 1 8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: .5rem .7rem;
}
.stat-label { color: var(--muted); font-size: .76em; text-transform: uppercase; letter-spacing: .06em; }
.stat-value { font-size: 1.05rem; margin-top: .1rem; }

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

.table-wrap { overflow-x: auto; margin: .5rem 0; }
.table { width: 100%; border-collapse: collapse; font-size: .92em; }
.table th, .table td {
  text-align: left;
  padding: .38rem .55rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.table th {
  position: sticky; top: 0;
  color: var(--muted);
  font-weight: 500;
  font-size: .84em;
  text-transform: uppercase;
  letter-spacing: .05em;
  background: var(--surface);
  white-space: nowrap;
}
.table tbody tr:hover { background: var(--surface-2); }
.table-runs td { vertical-align: middle; }
.row-link { cursor: pointer; }
.row-warn { background: color-mix(in srgb, var(--warn-soft) 55%, transparent); }
.row-bad { background: color-mix(in srgb, var(--bad-soft) 55%, transparent); }
.row-changed { background: color-mix(in srgb, var(--accent-soft) 50%, transparent); }
.table-compare th { font-size: .78em; }
.table-params td { padding: .22rem .55rem; }

/* --- badges ------------------------------------------------------------ */

.kind {
  display: inline-block;
  padding: .08rem .45rem;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: .78em;
  white-space: nowrap;
}
.kind-memlab-suite { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.kind-memlab-ablate { border-color: var(--info); color: var(--info); background: var(--info-soft); }
.kind-memlab-mutate { border-color: var(--warn); color: var(--warn); background: var(--warn-soft); }
.kind-memlab-d3 { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }

.flags { display: flex; gap: .25rem; flex-wrap: wrap; }
.flag {
  display: inline-block;
  padding: .05rem .4rem;
  border-radius: 4px;
  font-size: .76em;
  white-space: nowrap;
  border: 1px solid transparent;
}
.flag-ok { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.flag-bad { background: var(--bad-soft); color: var(--bad); border-color: var(--bad); }
.flag-warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.flag-muted { background: var(--surface-2); color: var(--muted); border-color: var(--border); }
.flag-absent {
  background: transparent;
  color: var(--absent);
  border-style: dashed;
  border-color: var(--absent);
  font-style: italic;
}
.flag + .flag { margin-left: .2rem; }

.rate { display: flex; align-items: center; gap: .45rem; min-width: 7.5rem; }
.bar { flex: 1; height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; min-width: 3rem; }
.bar-fill { height: 100%; border-radius: 3px; }
.bar-ok { background: var(--ok); }
.bar-warn { background: var(--warn); }
.bar-bad { background: var(--bad); }
.rate-num { font-size: .84em; color: var(--muted); }

.delta-good { color: var(--ok); }
.delta-bad { color: var(--bad); }
.delta-pos { color: var(--warn); }
.delta-zero { color: var(--muted); }
.delta-changed { color: var(--info); }

details { margin: .6rem 0; }
summary { cursor: pointer; color: var(--muted); font-size: .9em; }
summary:hover { color: var(--text); }
.notes { margin: .4rem 0 0; padding-left: 1.1rem; font-size: .9em; }
.notes li { margin: .1rem 0; }

.broken-list { list-style: none; margin: .5rem 0 0; padding: 0; }
.broken-list li { margin-bottom: .6rem; }
.raw {
  margin: .25rem 0 0;
  padding: .4rem .55rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: .8em;
}

/* --- charts ------------------------------------------------------------ */

.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: .6rem; flex-wrap: wrap; }
.chart-head h2 { margin: 0; }
.chart-holder { margin-top: .4rem; }
.chart { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; font-family: var(--sans); }
.chart .series { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .point { stroke: var(--surface); stroke-width: 2; }
.chart .point-ok { fill: var(--accent); }
.chart .point-bad { fill: var(--bad); }
.chart .point-unknown { fill: var(--absent); }
.chart .point-hit { cursor: pointer; }
.chart .point-hit:hover .point { r: 7; }
.chart .missing { stroke: var(--absent); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .missing-label { fill: var(--absent); font-style: italic; font-size: 10px; }

/* --- compare ----------------------------------------------------------- */

.compare-pick { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 1rem; }
.compare-pick label { flex: 1 1 18rem; display: block; }
.compare-head {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
  margin-bottom: .8rem;
}
.compare-side {
  flex: 1 1 16rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: .55rem .7rem;
}
.compare-arrow { color: var(--muted); font-size: 1.2rem; }

/* --- picker ------------------------------------------------------------ */

.picker {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
}
.picker[hidden] { display: none; }
.picker-inner {
  max-width: 34rem;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.picker-inner h2 { margin: 0 0 .3rem; font-size: 1.1rem; }
.dropzone {
  margin: .9rem 0;
  padding: 1.4rem 1rem;
  border: 2px dashed var(--border-strong);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
}
.dropzone p { margin: .2rem 0 .5rem; }
.dropzone.dragging { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .btn { margin: 0 .2rem; }

@media (max-width: 640px) {
  .topbar-row { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; margin-left: 0; }
  .kv { grid-template-columns: 1fr; gap: 0 0; }
  .kv-key { margin-top: .5rem; }
  .page-head { align-items: flex-start; }
}