/* §01 verdict instrument and the shared chart marks. Tokens live in main.css. */

/* ---------- verdict instrument ---------- */

.scenario-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--rule-strong);
  width: fit-content;
  max-width: 100%;
  margin-bottom: 1.75rem;
}

.scenario-picker button {
  appearance: none;
  border: 0;
  border-right: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: 0.7rem 1rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
}

.scenario-picker button:last-child {
  border-right: 0;
}

.scenario-picker button:hover {
  background: var(--paper-2);
  color: var(--ink);
}

.scenario-picker button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}

.scenario-picker .dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  margin-right: 0.45rem;
  vertical-align: 0.05em;
  background: currentColor;
}

.scenario-picker [data-verdict="fail"] .dot { color: var(--fail-fill); }
.scenario-picker [data-verdict="pass"] .dot { color: var(--pass-fill); }
.scenario-picker [data-verdict="pass_with_warning"] .dot { color: var(--warn-fill); }

.instrument {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--rule-strong);
  background: var(--paper);
}

.panel {
  padding: clamp(1rem, 2vw, 1.6rem);
  min-width: 0;
}

.panel + .panel {
  border-left: 1px solid var(--rule);
}

.panel.span {
  grid-column: 1 / -1;
  border-left: 0;
  border-top: 1px solid var(--rule);
}

.panel h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
  margin-bottom: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
}

.change-line {
  overflow-wrap: anywhere;
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin-bottom: 1rem;
}

.verdict-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 1rem clamp(1rem, 2vw, 1.6rem);
  border-bottom: 1px solid var(--rule);
  grid-column: 1 / -1;
}

.verdict-banner[data-verdict="fail"] { background: var(--fail-wash); }
.verdict-banner[data-verdict="pass"] { background: var(--pass-wash); }
.verdict-banner[data-verdict="pass_with_warning"] { background: var(--warn-wash); }

.verdict-banner .reason {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--ink);
  flex: 1 1 24rem;
  min-width: 0;
  overflow-wrap: anywhere;
}

.verdict-banner .blocks {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* decision trace: the order of checks in gate/decide.py */
.trace {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.trace li {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px dotted var(--rule);
  color: var(--ink-3);
}

.trace li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-size: var(--text-xs);
}

.trace li[data-state="ok"] { color: var(--ink-2); }
.trace li[data-state="decided"] { color: var(--ink); font-weight: 600; }
.trace li[data-state="skipped"] { opacity: 0.55; }

.trace .val {
  text-align: right;
  white-space: nowrap;
}

.trace .mark {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chart {
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: var(--font-mono);
}

.chart text {
  fill: var(--ink-2);
  font-size: 11px;
  /* a paper-coloured halo keeps labels legible where they cross a mark */
  paint-order: stroke;
  stroke: var(--paper);
  stroke-width: 3px;
  stroke-linejoin: round;
}

.chart .axis-line { stroke: var(--rule-strong); stroke-width: 1; }
.chart .grid { stroke: var(--rule); stroke-width: 1; stroke-dasharray: 2 3; }
.chart .base-dot { fill: var(--paper); stroke: var(--base); stroke-width: 2; }
.chart .head-dot { stroke: var(--paper); stroke-width: 1.5; }
.chart .head-dot.down { fill: var(--fail-fill); }
.chart .head-dot.up { fill: var(--pass-fill); }
.chart .head-dot.same { fill: var(--ink-2); }
.chart .link.down { stroke: var(--fail-fill); }
.chart .link.up { stroke: var(--pass-fill); }
.chart .link { stroke-width: 3; stroke-linecap: round; opacity: 0.55; }
.chart .row-hit { fill: transparent; }
.chart .row:hover .row-hit,
.chart .row:focus .row-hit { fill: var(--paper-2); }
.chart .row:focus { outline: none; }
.chart .row:focus-visible .row-hit { stroke: var(--focus); stroke-width: 2; }
.chart .task-label { fill: var(--ink); font-size: 11.5px; }
.chart .tag-fail { fill: var(--fail); font-size: 10px; letter-spacing: 0.04em; }
.chart .tol-band { fill: var(--pass-fill); opacity: var(--band-opacity, 0.16); }
.chart .blind { fill: url(#hatch); }
.chart .blind-edge { stroke: var(--warn-fill); stroke-width: 1.5; stroke-dasharray: 4 3; }
.chart .hatch-line { stroke: var(--warn-fill); stroke-width: 1.2; opacity: 0.55; }
.chart .marker-base { stroke: var(--base); stroke-width: 2; }
.chart .marker-head { stroke-width: 2.5; }
.chart .strong { fill: var(--ink); font-weight: 600; }
.chart .bar-neg { fill: var(--fail-fill); opacity: 0.8; }
.chart .bar-pos { fill: var(--ink-3); opacity: 0.55; }
.chart .zero-line { stroke: var(--ink); stroke-width: 1.5; }
.chart .curve { fill: none; stroke: var(--accent); stroke-width: 2.5; }
.chart .curve-area { fill: var(--warn-fill); opacity: 0.1; }
.chart .ref-line { stroke-width: 1.5; stroke-dasharray: 5 4; }
.chart .ref-fail { stroke: var(--fail-fill); }
.chart .ref-warn { stroke: var(--warn-fill); }
.chart .ref-tol { stroke: var(--pass-fill); }
.chart .cursor { stroke: var(--ink); stroke-width: 1; }
.chart .cursor-dot { fill: var(--accent); stroke: var(--paper); stroke-width: 2; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--ink-2);
  margin-top: 0.75rem;
  padding: 0;
  list-style: none;
}

.legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.swatch {
  width: 0.8rem;
  height: 0.8rem;
  display: inline-block;
  border-radius: 50%;
}

.swatch.base { border: 2px solid var(--base); }
.swatch.down { background: var(--fail-fill); }
.swatch.up { background: var(--pass-fill); }
.swatch.same { background: var(--ink-2); }
.swatch.band { border-radius: 0; background: var(--pass-fill); opacity: 0.35; }
.swatch.blind {
  border-radius: 0;
  background: repeating-linear-gradient(45deg, var(--warn-fill) 0 2px, transparent 2px 5px);
}

.caption {
  font-size: var(--text-sm);
  color: var(--ink-2);
  margin-top: 0.9rem;
  max-width: 68ch;
}

.caption strong {
  color: var(--ink);
}

.tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 20;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.45;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-s);
  max-width: min(22rem, calc(100vw - 2rem));
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.tooltip[data-open="true"] {
  opacity: 1;
  transform: translateY(0);
}

details.comment {
  border-top: 1px solid var(--rule);
  grid-column: 1 / -1;
}

details.comment summary {
  cursor: pointer;
  padding: 0.85rem clamp(1rem, 2vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--ink-2);
}

details.comment summary:hover {
  color: var(--ink);
  background: var(--paper-2);
}

details.comment pre {
  margin: 0;
  padding: 1rem clamp(1rem, 2vw, 1.6rem) 1.25rem;
  background: var(--paper-2);
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}