/* Licensed to the Apache Software Foundation (ASF) under the Apache License 2.0. */

/* Light theme matching apache/iceberg.org: white surfaces, Iceberg blue accent,
   Lato + Roboto Mono, flat and minimal. */
:root {
  --bg: #ffffff;
  --bg-raise: #f8f9fb;
  --bg-cell: #ffffff;
  --ink: #131417;
  --ink-dim: #5b6169;
  --ink-faint: #8b929b;
  --line: #e2e5ea;
  --line-bright: #d1d2d9;
  --accent: #0969da; /* Iceberg / GitHub blue */
  --accent-ink: #ffffff;

  --pass: #1a7f37;
  --fail: #cf222e;
  --gap: #8b929b;   /* declared gap = N/A, not alarming: neutral grey */
  --drift: #bf3989;
  --oracle: #0969da;
  --reject: #8250df;
  --error: #cf222e;
  --neutral: #8b929b;

  --mono: "Roboto Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --display: "Lato", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --r: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}

/* ---- masthead ---- */
.masthead {
  border-bottom: 1px solid var(--line);
  padding: 24px clamp(16px, 4vw, 56px) 0;
  background: var(--bg);
}

.masthead-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.wordmark { display: flex; align-items: center; gap: 18px; }

.logo { height: 40px; width: auto; display: block; }

.wordmark-text { border-left: 1px solid var(--line); padding-left: 18px; }

.masthead h1 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 30px);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1;
  color: var(--ink);
}

.tagline {
  margin: 5px 0 0;
  color: var(--ink-dim);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.masthead-meta { display: flex; align-items: center; gap: 20px; }

.meta-block { text-align: right; }
.meta-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.meta-value { color: var(--ink-dim); font-size: 12px; font-family: var(--mono); }

/* ---- legend ---- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 18px 0 16px;
}
.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}
.swatch {
  width: 11px; height: 11px; border-radius: 2px; display: inline-block;
}

/* ---- main ---- */
main { padding: 32px clamp(16px, 4vw, 56px) 64px; max-width: 1400px; }

/* ---- summary tiles ---- */
.summary {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.tile {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 14px 18px;
  min-width: 96px;
}
.tile-num {
  font-family: var(--display);
  font-weight: 900;
  font-size: 30px;
  line-height: 1;
}
.tile-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 6px;
}

/* ---- fuzz panel ---- */
.panel.fuzz {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-left: 3px solid var(--fail);
  border-radius: var(--r);
  padding: 18px 22px;
  margin-bottom: 28px;
}
.panel.fuzz.fuzz-clean { border-left-color: var(--pass); }
.fuzz-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; }
.panel.fuzz h3 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0; font-weight: 700;
}
.fuzz-stat { color: var(--ink-dim); font-size: 13px; }
.fuzz-num { font-family: var(--display); font-weight: 900; font-size: 20px; color: var(--ink); }
.fuzz-meta { display: block; font-size: 10px; letter-spacing: 0.06em; color: var(--ink-faint); margin-top: 3px; }
.fuzz-empty { color: var(--ink-dim); font-size: 13px; margin: 12px 0 0; }
.fuzz-list { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.fuzz-finding {
  display: grid;
  grid-template-columns: 14px 68px 56px 88px 1fr;
  align-items: center; gap: 10px;
  background: var(--bg); border: 1px solid var(--line);
  border-radius: var(--r); padding: 9px 12px; font-size: 12px;
}
.fuzz-dot { width: 11px; height: 11px; border-radius: 50%; background: currentColor; }
.fuzz-seed { color: var(--ink-dim); font-variant-numeric: tabular-nums; }
.fuzz-reader { color: var(--ink); font-weight: 700; }
.fuzz-verdict { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
.fuzz-detail { color: var(--ink-dim); font-family: var(--mono); overflow-x: auto; white-space: nowrap; }

/* roster of every generated seed as a clickable chip */
.fuzz-roster { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.fuzz-chip {
  all: unset; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 11px 4px 9px;
  transition: border-color 0.12s, background 0.12s;
}
.fuzz-chip:hover { border-color: var(--accent); background: color-mix(in oklab, var(--accent) 6%, var(--bg)); }
.fuzz-chip .fuzz-dot { width: 8px; height: 8px; }
.repro-note { color: var(--ink-dim); font-size: 12px; margin: 0 0 12px; }
.repro-note code { font-family: var(--mono); color: var(--accent); }

/* ---- matrix ---- */
.matrix-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); }
.matrix {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  min-width: 640px;
  background: var(--bg-cell);
}
.matrix th, .matrix td {
  padding: 14px 16px; /* sensible default so any cell's text has breathing room */
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
/* the status cell is full-bleed: its button owns the padding and fills the cell */
.matrix td.cell { padding: 0; }
.matrix thead th {
  background: var(--bg-raise);
  text-align: left;
  padding: 14px 16px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  position: sticky;
  top: 0;
  z-index: 2;
}
.matrix thead th.runner-col { text-align: center; min-width: 130px; }
.runner-name { color: var(--ink); font-weight: 700; }
.runner-ver { display: block; font-size: 9px; color: var(--ink-faint); letter-spacing: 0.06em; text-transform: none; margin-top: 2px; }

.fixture-cell {
  padding: 16px 22px;
  cursor: pointer;
  background: var(--bg-cell);
  transition: background 0.15s;
  white-space: nowrap;
}
.fixture-cell:hover { background: var(--bg-raise); }
.fixture-id { font-weight: 500; color: var(--ink); }

/* group header row: "write · format v2" band spanning the table width */
.group-row td { border-right: none; }
.group-cell {
  padding: 12px 22px 10px;
  background: color-mix(in oklab, var(--accent) 5%, var(--bg-raise));
  border-bottom: 1px solid var(--line-bright) !important;
}
.group-badge {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 700; padding: 2px 9px; border-radius: 3px; margin-right: 12px;
  border: 1px solid currentColor;
}
.grp-write { color: var(--accent); }
.grp-read { color: var(--oracle); }
.group-ver {
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim);
}
.fixture-tags { display: flex; gap: 6px; margin-top: 5px; }
.fx-tag {
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid var(--line-bright);
  border-radius: 2px;
  padding: 1px 5px;
}

/* status cells */
.cell {
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s;
}
.cell button {
  all: unset;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  height: 100%;
  padding: 16px 10px;
  cursor: pointer;
}
.cell:hover { transform: scale(1.04); z-index: 1; }
.cell:focus-within { outline: 2px solid var(--accent); outline-offset: -2px; }
.dot {
  width: 13px; height: 13px; border-radius: 50%;
  background: currentColor;
}
.cell-status {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* status colors — .cell button uses `all: unset`, which zeroes `color`, so
   these must out-specify it: qualify with .cell button (specificity 0,2,1). */
.s-pass   { color: var(--pass); }
.s-fail   { color: var(--fail); }
.s-declared-gap { color: var(--gap); }
.s-undeclared-gap { color: var(--drift); }
.s-oracle { color: var(--oracle); }
.s-reject { color: var(--reject); }
.s-error  { color: var(--error); }
.s-bad-fixture { color: var(--neutral); }

.cell button.s-pass   { color: var(--pass); }
.cell button.s-fail   { color: var(--fail); }
.cell button.s-declared-gap   { color: var(--gap); }
.cell button.s-undeclared-gap { color: var(--drift); }
.cell button.s-oracle { color: var(--oracle); }
.cell button.s-reject { color: var(--reject); }
.cell button.s-error  { color: var(--error); }
.cell button.s-bad-fixture { color: var(--neutral); }

/* the status label under the dot inherits the ink-dim tone by default; give it a
   faint wash of the status hue so pass/gap/error read at a glance. */
.cell button.s-pass .cell-status { color: color-mix(in oklab, var(--pass) 70%, var(--ink-dim)); }
.cell button.s-declared-gap .cell-status { color: color-mix(in oklab, var(--gap) 80%, var(--ink-dim)); }
.cell button.s-error .cell-status,
.cell button.s-fail .cell-status { color: color-mix(in oklab, var(--fail) 70%, var(--ink-dim)); }
.cell button.s-undeclared-gap .cell-status { color: color-mix(in oklab, var(--drift) 70%, var(--ink-dim)); }

/* ---- fixture detail view ---- */
#fixture-view { animation: rise 0.4s ease both; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.back {
  all: unset;
  cursor: pointer;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 20px;
}
.back:hover { text-decoration: underline; }

.fixture-head { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 28px; }
.fixture-head h2 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(24px, 3.5vw, 38px);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.fixture-head .badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 3px; border: 1px solid var(--line-bright);
  color: var(--ink-dim);
}
.badge.hot { border-color: var(--accent); color: var(--accent); }

.detail-grid { display: grid; grid-template-columns: minmax(280px, 1fr) minmax(320px, 1.4fr); gap: 28px; }
@media (max-width: 860px) { .detail-grid { grid-template-columns: 1fr; } }

.panel h3 {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 14px; font-weight: 700;
}

/* hero panel — the op-log is the story of the fixture, so it leads full-width */
.panel-hero {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 24px 28px;
  margin-bottom: 28px;
}
.panel-hero.oplog { border-left: 3px solid var(--accent); }

/* op timeline */
.timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px;
  width: 2px; background: var(--line-bright);
}
.op {
  position: relative; padding: 0 0 22px 48px; min-height: 34px;
}
.op:last-child { padding-bottom: 0; }
.op-node {
  position: absolute; left: 5px; top: 0;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--line-bright);
  display: grid; place-items: center; font-size: 10px; color: var(--ink-dim);
  z-index: 1;
}
.op.mut .op-node { border-color: var(--accent); color: var(--accent); }
.op.obs .op-node { border-color: var(--oracle); color: var(--oracle); }
.op-step {
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint); margin-bottom: 1px;
}
.op-name {
  display: inline-block; font-weight: 700; font-size: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim); margin-bottom: 3px;
}
.op.mut .op-name { color: var(--accent); }
.op.obs .op-name { color: var(--oracle); }
.op-summary { color: var(--ink); font-size: 14px; font-weight: 500; }
.op-detail {
  color: var(--ink-dim); font-size: 12.5px; margin-top: 3px;
  padding-left: 12px; border-left: 1px solid var(--line);
}
.op-detail code { color: var(--accent); background: color-mix(in oklab, var(--accent) 12%, transparent); padding: 0 4px; border-radius: 2px; }

/* runner results strip */
.results { display: flex; flex-direction: column; gap: 10px; }
.result-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-raise); border: 1px solid var(--line);
  border-left-width: 3px; border-radius: var(--r); padding: 12px 16px;
  cursor: pointer; transition: border-color 0.15s;
}
.result-row:hover { border-color: var(--line-bright); }
.result-row .r-name { font-weight: 700; min-width: 56px; }
.result-row .r-status { margin-left: auto; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.result-detail {
  font-family: var(--mono); font-size: 12px; color: #24292f;
  background: #f6f8fa; border: 1px solid var(--line); border-radius: var(--r);
  padding: 12px 14px; margin-top: 8px; white-space: pre-wrap; overflow-x: auto;
  max-height: 340px; overflow-y: auto;
}
.result-detail .add { color: var(--pass); }
.result-detail .del { color: var(--fail); }
.result-detail .path { color: var(--accent); }

pre.code {
  font-family: var(--mono); font-size: 12px; line-height: 1.55;
  background: #f6f8fa; border: 1px solid var(--line); border-radius: var(--r);
  padding: 16px; overflow-x: auto; color: #24292f;
  max-height: 460px; overflow-y: auto;
}

/* ---- colophon ---- */
.colophon {
  border-top: 1px solid var(--line);
  padding: 20px clamp(16px, 4vw, 56px);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: var(--ink-faint); font-size: 11px; letter-spacing: 0.06em;
}

::-webkit-scrollbar { height: 10px; width: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-bright); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }