/* QFT Simulator workbench. Tokens (--bg, --panel, --ink, --muted, --accent,
   --edge) and the shared chart, table, toolbar and export rules come from
   ../lecture/style.css, which qft.html links first. */
.qft main {
  max-width: 1500px;
  margin: auto;
}
.qft h2 {
  font-size: 16px;
  font-weight: 550;
  margin: 28px 0 10px;
}
.qft h3 {
  font-size: 13px;
  font-weight: 550;
  margin: 18px 0 8px;
}
.chart h3 {
  flex: 1;
  margin: 0;
  line-height: 1.4;
}
.masthead .engine {
  margin-left: auto;
  color: var(--muted);
  text-align: right;
  letter-spacing: 0.05em;
}

[role="tablist"] {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--edge);
  margin: 0 0 24px;
  padding: 3px 3px 0;
  scrollbar-width: thin;
}
[role="tab"] {
  flex: 0 0 auto;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 5px 5px 0 0;
  background: none;
  color: var(--muted);
  padding: 9px 14px;
  font-size: 13px;
  white-space: nowrap;
}
[role="tab"]:hover {
  color: var(--ink);
}
[role="tab"][aria-selected="true"] {
  background: var(--panel);
  border-color: var(--edge);
  color: var(--ink);
  box-shadow: inset 0 2px 0 var(--accent);
}
[role="tabpanel"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
}
[role="tabpanel"][hidden] {
  display: none;
}

.group,
.mapping,
.family {
  border: 1px solid var(--edge);
  border-radius: 6px;
  margin: 0 0 18px;
  padding: 12px 16px 16px;
  min-width: 0;
}
.group > legend,
.mapping > legend,
.family > legend {
  padding: 0 6px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.control input[type="number"],
.control input[type="text"] {
  grid-column: 1/-1;
  width: 100%;
}
.control input[type="text"] {
  background: var(--bg);
  color: var(--ink);
  border: 1px solid var(--edge);
  border-radius: 4px;
  padding: 5px;
}
.control-slot {
  display: contents;
}
.check {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
}
.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.status {
  font-size: 11px;
  color: var(--muted);
}

.variants {
  margin: 12px 0 0;
  font-size: 12px;
}
.variants dt {
  color: var(--ink);
  margin-top: 8px;
}
.variants dd {
  margin: 2px 0 0;
  color: var(--muted);
}
.tag {
  font-size: 10px;
  letter-spacing: 0.06em;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 9px;
  padding: 1px 7px;
  margin-left: 6px;
}
.tag-muted {
  border-color: var(--edge);
  color: var(--muted);
}
.book-label {
  font-size: 11px;
  color: #8298b6;
}

.family ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
  gap: 10px;
}
.channel {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: 6px;
  padding: 10px 12px;
  min-width: 0;
  font-size: 12px;
}
.channel label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.channel .definition {
  display: block;
  margin: 7px 0;
  color: var(--muted);
  font-size: 11px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.channel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 12px;
  font-size: 11px;
  color: #8298b6;
}
.channel-note,
.channel-ok,
.channel-reason {
  margin: 6px 0 0;
  font-size: 11px;
}
.channel-ok {
  color: var(--accent);
}
.channel.unavailable {
  opacity: 0.78;
  border-style: dashed;
}
.channel.unavailable label {
  color: var(--muted);
}
.channel-reason {
  color: #f0b3bb;
}
#capability-error {
  padding: 12px;
  background: #3b2025;
  border: 1px solid #a55a66;
  margin-bottom: 14px;
}
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 10px 0;
  font-size: 12px;
}
.facts dt {
  color: var(--muted);
  font-size: 11px;
}
.facts dd {
  margin: 0;
}

.progress {
  display: grid;
  gap: 5px;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}
.progress progress {
  width: 100%;
  height: 8px;
  accent-color: var(--accent);
}
.numeric {
  margin: 8px 8px 0;
  font-size: 11px;
  color: var(--muted);
}
.numeric .table-scroll {
  max-height: 220px;
}
caption {
  caption-side: top;
  text-align: left;
  font-size: 11px;
  color: var(--muted);
  padding: 6px 0;
}
.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
/* A report table puts a sentence column (a fit quantity, the reason a channel
   reported no signal) beside narrow numeric ones. Sizing the columns to their
   content keeps the sentence readable; the container scrolls instead. */
.qft table {
  width: max-content;
  min-width: 100%;
}

.notes {
  border-left: 2px solid var(--accent);
  margin: 24px 0 0;
  padding: 2px 0 2px 16px;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}
.notes h3 {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent);
}
.notes ul {
  margin: 0;
  padding-left: 18px;
}
.note-owner {
  color: var(--ink);
  margin-right: 8px;
  font-size: 11px;
}
.hypothesis-label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  border: 1px solid #e8d874;
  border-radius: 4px;
  color: #e8d874;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 700px) {
  .group,
  .mapping,
  .family {
    padding: 10px 10px 12px;
  }
  [role="tab"] {
    padding: 8px 10px;
    font-size: 12px;
  }
  .qft #analysis,
  .qft #fit-controls,
  .qft .control-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 420px) {
  .qft #analysis,
  .qft #fit-controls,
  .qft .control-grid {
    grid-template-columns: 1fr;
  }
  .masthead .engine {
    flex-basis: 100%;
    text-align: left;
  }
  .masthead {
    flex-wrap: wrap;
  }
  .exports > * {
    flex: 1 1 100%;
    text-align: center;
  }
}