/* The student tools (site/tools/): layout shared by the four tools and their index, on top of /theme.css. */
.crumbs { font-family: var(--label); font-size: 0.78rem; letter-spacing: 0.04em; margin: 0 0 2rem; }
.crumbs a { color: var(--accent); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.masthead.small { margin-bottom: 2.2rem; }
.masthead.small h1 { font-size: clamp(2rem, 7vw, 2.8rem); }
.tool { background: var(--panel); border: 1px solid var(--rule); border-top: 4px solid var(--orange); padding: 1.3rem 1.2rem 1.4rem;
  margin: 0 0 2.6rem; }
.tool h2 { margin-top: 0; }
.fields { display: flex; flex-wrap: wrap; gap: 0.9rem 1.2rem; align-items: flex-end; margin: 0 0 1rem; }
.fields label { display: grid; gap: 0.3rem; font-family: var(--label); font-size: 0.74rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted); }
.tool input[type=number], .tool input[type=search], .tool select, .tool textarea { font: inherit; font-size: 1.05rem;
  color: var(--ink); background: var(--field); border: 1px solid var(--rule); border-radius: var(--radius, 3px);
  padding: 0.55rem 0.7rem; min-width: 0; }
.tool input[type=number] { width: 9rem; }
.tool input[type=search] { width: 100%; }
.tool textarea { width: 100%; resize: vertical; line-height: 1.5; }
.tool input:focus-visible, .tool select:focus-visible, .tool textarea:focus-visible, .chip:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0 0 1.1rem; }
.chip { font-family: var(--label); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.02em; padding: 0.4rem 0.7rem;
  color: var(--soft); background: var(--field); border: 1px solid var(--rule); border-radius: 999px; cursor: pointer; }
.chip:hover { border-color: var(--accent); filter: none; }
.chip[aria-pressed="true"] { background: var(--orange); border-color: var(--orange); color: #1B1B1F; }
.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 0.8rem; margin: 0 0 1rem; }
.stat { background: var(--field); border: 1px solid var(--rule); padding: 0.8rem 0.9rem; min-width: 0; }
.stat .big { display: block; font-family: var(--display); font-weight: 700; font-size: 1.75rem; line-height: 1.15;
  color: var(--ink); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.stat .what { display: block; font-size: 0.92rem; color: var(--soft); margin-top: 0.25rem; }
.stat.lead { border-left: 4px solid var(--orange); }
.say { font-size: 1.12rem; margin: 0 0 1rem; }
.say strong { color: var(--accent); }
.chart { width: 100%; height: auto; display: block; margin: 0.4rem 0 0.2rem; overflow: visible; }
.chart text { font-family: var(--label); font-size: 11px; fill: var(--muted); }
.chart .axis { stroke: var(--rule); }
.chart .line { fill: none; stroke: var(--orange); stroke-width: 2.5; }
.chart .area { fill: var(--orange); opacity: 0.12; }
.chart .mark { stroke: var(--muted); stroke-dasharray: 3 3; }
.chart .dot { fill: var(--accent); }
.chart .note { fill: var(--soft); }
.mono { font-family: var(--label); font-variant-numeric: tabular-nums; }
.hash { font-family: var(--label); font-size: 0.95rem; line-height: 1.7; word-break: break-all; background: var(--field);
  border: 1px solid var(--rule); padding: 0.6rem 0.75rem; margin: 0.4rem 0 0; }
.hash .diff { background: var(--orange); color: #1B1B1F; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0 0; }
.ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }
.ghost:hover { border-color: var(--accent); filter: none; }
.blocks { display: grid; gap: 1.1rem; }
.block { background: var(--field); border: 1px solid var(--rule); padding: 0.8rem 0.9rem; position: relative; }
.block:not(:last-child)::after { content: ''; position: absolute; left: 1.6rem; bottom: -1.15rem; width: 3px; height: 1.1rem;
  background: var(--orange); }
.block.broken { border-color: var(--warn); }
.block.broken:not(:last-child)::after { background: var(--warn); }
.block .head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.3rem 1rem; font-family: var(--label);
  font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.4rem; }
.block .state { color: var(--muted); }
.block.broken .state { color: var(--warn); font-weight: 700; }
.block .kv { font-family: var(--label); font-size: 0.78rem; color: var(--muted); margin: 0.45rem 0 0; word-break: break-all; }
.block .kv b { color: var(--soft); font-weight: 500; }
.bar { height: 0.9rem; background: var(--field); border: 1px solid var(--rule); margin: 0.3rem 0 0.4rem; }
.bar > span { display: block; height: 100%; background: var(--orange); }
.live { font-family: var(--label); font-size: 0.78rem; color: var(--muted); margin: 0; }
.live.est { color: var(--warn); }
.entries { display: grid; gap: 0.9rem; }
.entry { background: var(--field); border: 1px solid var(--rule); padding: 0.75rem 0.9rem; }
.entry h3 { font-size: 1.12rem; margin: 0 0 0.25rem; }
.entry p { margin: 0; font-size: 0.98rem; color: var(--soft); }
.entry .pron { font-family: var(--label); font-size: 0.78rem; color: var(--muted); font-weight: 500; }
.entry .weeks { font-family: var(--label); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.entry sup { font-family: var(--label); font-size: 0.68rem; color: var(--accent); margin-right: 0.15rem; }
.count { font-family: var(--label); font-size: 0.78rem; color: var(--muted); margin: 0 0 0.8rem; }
.class { border-left: 3px solid var(--orange); padding-left: 1rem; }
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cards a { display: block; text-decoration: none; color: inherit; background: var(--panel); border: 1px solid var(--rule);
  border-top: 4px solid var(--orange); padding: 1rem 1rem 1.1rem; }
.cards a:hover { border-color: var(--accent); }
.cards .label { display: block; margin-bottom: 0.2rem; }
.cards h3 { margin: 0 0 0.35rem; font-size: 1.2rem; }
.cards p { margin: 0; font-size: 0.96rem; color: var(--soft); }
@media (max-width: 34rem) { .cards { grid-template-columns: 1fr; } .stat .big { font-size: 1.5rem; }
  .chart text { font-size: 21px; } }
.field-label { display: block; font-family: var(--label); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 0.35rem; }
[hidden] { display: none !important; }