/* Copyright (c) 2026. All rights reserved. See LICENSE.
   The rule book (rulebook.js), in the studio's window: the page defines the colour tokens. */
.rulebook .hint { color: var(--lead); font-size: 13px; line-height: 1.45; }
.rulebook .toggle { display: flex; align-items: center; gap: 6px; font-size: 14px; cursor: pointer; }
.rulebook .toggle input { width: 16px; height: 16px; }
.rb-head {
  position: sticky; top: 0; z-index: 1; display: flex; gap: 20px; align-items: flex-end; flex-wrap: wrap;
  padding: 16px 20px 12px; background: var(--paper); border-bottom: 1px solid var(--rule-strong);
}
.rb-head > div:first-child { flex: 1; min-width: 260px; }
.rb-head h2 { margin: 0 0 4px; font-size: 26px; line-height: 1.1; font-weight: 700; font-stretch: 70%; }
.rb-head .hint { margin: 0 0 6px; max-width: 72ch; }
.rb-head .note { margin: 0; color: var(--lead); font-size: 13px; }
.rb-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.rb-tools input[type="search"] {
  width: 240px; max-width: 100%; padding: 6px 9px; border: 1px solid var(--rule-strong); border-radius: 3px;
  background: var(--paper); color: var(--graphite); font: inherit; font-size: 14px;
}
.rb-sets { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 4px 0 8px; }
.rb-sets label { font-size: 13px; color: var(--lead); }
.rb-sets button { padding: 4px 10px; font-size: 13px; }
.rb-sets button:disabled { opacity: .45; cursor: default; }
.rb-tools select, .rb-sets select {
  max-width: 100%; padding: 6px 9px; border: 1px solid var(--rule-strong); border-radius: 3px;
  background: var(--paper); color: var(--graphite); font: inherit; font-size: 14px;
}
.rb-tools .toggle input { accent-color: var(--graphite); }
.rb-tools button:disabled { opacity: .45; cursor: default; }
.rb-status { padding: 0 20px; }
.rb-status:not(:empty) { padding: 10px 20px 0; }
.rb-status.error { color: var(--red); }
.rule-list { padding: 4px 20px 40px; }
.rule-list > .note { color: var(--lead); padding: 12px 0; }
.rule-group { border-bottom: 1px solid var(--rule); }
.rule-group summary {
  display: flex; gap: 10px; align-items: baseline; padding: 10px 0; cursor: pointer;
  font-size: 16px; font-weight: 650; font-stretch: 80%;
}
.rule-group summary .n { color: var(--lead); font-weight: 400; font-size: 13px; font-variant-numeric: tabular-nums; }
.rule-table { width: 100%; border-collapse: collapse; margin: 0 0 12px; font-size: 14px; }
.rule-table td { padding: 7px 10px 7px 0; border-top: 1px solid var(--rule); vertical-align: top; }
.rule-table tr.changed td:first-child { box-shadow: inset 3px 0 0 var(--ink); padding-left: 10px; }
.rule-table .rl { width: 46%; }
.rule-table .rl .label { display: block; }
.rule-table .rl code { display: block; font-size: 12px; color: var(--lead); }
.rule-table small { display: block; color: var(--lead); font-size: 12px; line-height: 1.4; }
.rule-table .rl small { max-width: 60ch; margin-top: 2px; }
.rule-table .rv { white-space: nowrap; width: 22%; }
.rule-table .rv input[type="number"] { width: 92px; }
.rule-table .rv input[type="text"] { width: 100%; min-width: 180px; }
.rule-table .rv input, .rule-table .rv select {
  padding: 4px 6px; border: 1px solid var(--rule-strong); border-radius: 3px; background: var(--paper);
  color: var(--graphite); font: inherit; font-size: 14px; font-variant-numeric: tabular-nums;
}
.rule-table .rv input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--graphite); }
.rule-table .rv input:focus, .rule-table .rv select:focus { outline: none; border-color: var(--blue); background: #eef5f8; }
.rule-table .rv i { font-style: normal; color: var(--lead); font-size: 13px; margin-left: 6px; }
.rule-table tr.changed .rv input, .rule-table tr.changed .rv select { border-color: var(--ink); }
.rule-table .rd .ref { color: var(--graphite); }
.rule-table .rd .src { display: inline-block; padding: 0 5px; border: 1px solid var(--rule-strong); border-radius: 3px; color: var(--ink); }
.rule-table .rx { width: 1%; white-space: nowrap; text-align: right; }
.rule-table .rx button { padding: 3px 10px; font-size: 13px; }