/* The side panel: forms for states and transitions, the help text and the shortcuts table. */

/* ---------- Panel box and headings ---------- */

.inspector {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 14px;
  display: grid;
  gap: 12px;
  align-content: start;
  max-height: clamp(400px, 60vh, 680px);
  overflow: auto;
}

.inspector h2,
.tape-panel h2 {
  margin: 0;
  font: 700 13.5px var(--font);
  color: var(--accent);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
}

.big {
  font: 700 20px/1.2 var(--font);
  margin: 0;
}

/* ---------- Fields and checkboxes ---------- */

.field {
  display: grid;
  gap: 4px;
}

.field>span,
.cap {
  font-size: 12px;
  color: var(--muted);
}

.check {
  display: flex;
  gap: 8px;
  align-items: center;
  cursor: pointer;
}

.check input {
  width: 15px;
  height: 15px;
  accent-color: var(--sel);
  margin: 0;
}

/* ---------- Rules of a transition ---------- */

.rules {
  display: grid;
  gap: 6px;
}

.rule {
  display: grid;
  grid-template-columns: 1fr 1fr 1.7fr 26px;
  gap: 5px;
  align-items: center;
}

.rules.multi .rule {
  grid-template-columns: 1.8em 1fr 1fr 1.7fr 26px;
}

.rule.head {
  font-size: 12px;
  color: var(--muted);
}

.rcard {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 6px;
}

.tl {
  font-size: 11.5px;
  color: var(--muted);
}

.sym {
  width: 100%;
  text-align: center;
  font: 700 15px var(--font);
  padding: 4px 2px;
}

.sym:placeholder-shown,
.sym.bad {
  background: var(--bad-soft)!important;
  border-color: var(--bad);
}

.sym:disabled {
  opacity: 0.5;
}

.rule select {
  width: 100%;
  padding: 4px 2px;
  font-size: 12px;
}

/* ---------- Button that removes a rule ---------- */

.icon {
  width: 26px;
  height: 28px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 3px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}

.icon:hover:not(:disabled) {
  color: var(--bad);
  border-color: var(--bad);
}

.icon:disabled {
  opacity: 0.3;
  cursor: default;
}

/* ---------- Lists, help text and messages ---------- */

.list {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.link {
  all: unset;
  box-sizing: border-box;
  cursor: pointer;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: baseline;
  padding: 4px 8px;
  border-radius: 3px;
  border: 1px solid var(--line);
  font: 400 13px var(--font);
  width: 100%;
}

.link:hover {
  border-color: var(--sel);
}

.link span {
  font-size: 12px;
  color: var(--muted);
}

.help {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 7px;
  color: var(--ink);
}

.help li::marker {
  color: var(--muted);
}

.err {
  color: var(--bad);
  font-size: 12px;
  min-height: 1em;
}

.note {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.keys {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
}

.keys td {
  padding: 3px 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.keys td:first-child {
  white-space: nowrap;
  padding-right: 10px;
  color: var(--muted);
}