/* The reasoner playground (playground.html), on top of the console's admin.css. */
#signin { max-width: 360px; margin: 40px auto; display: grid; gap: 10px; }
#signin input, .pg input, .pg select, .pg textarea { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.pg textarea { width: 100%; font-family: ui-monospace, Menlo, monospace; font-size: 13px; line-height: 1.4; resize: vertical; }
.pg .program { min-height: 340px; }
.pg .facts { min-height: 140px; }
.pg .say { min-height: 70px; font-family: inherit; font-size: 15px; }
.pg .cols { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 860px) { .pg .cols { grid-template-columns: minmax(0, 1fr); } }
.pg .toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.pg .toolbar .grow { flex: 1; }
.pg label.field { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.pg pre { white-space: pre-wrap; word-break: break-word; background: var(--chip); border-radius: 8px; padding: 10px; font-size: 12.5px; margin: 6px 0 0; }
.pg table { width: 100%; border-collapse: collapse; font-size: 14px; }
.pg th, .pg td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.pg td.num, .pg th.num { text-align: right; font-variant-numeric: tabular-nums; }
.pg tr.winner td { font-weight: 600; }
.pg .tree details { margin-left: 14px; border-left: 1px solid var(--line); padding-left: 8px; }
.pg .tree > details { margin-left: 0; border-left: 0; padding-left: 0; }
.pg .tree summary { cursor: pointer; padding: 2px 0; }
.pg .tree .leaf { margin-left: 14px; padding: 2px 0 2px 8px; border-left: 1px solid var(--line); }
.pg .value { display: inline-block; min-width: 46px; font-variant-numeric: tabular-nums; font-weight: 600; }
.pg .value.zero { color: var(--muted); font-weight: 400; }
.pg .details { color: var(--muted); font-size: 12.5px; }
.pg .decision { font-size: 20px; font-weight: 700; }
.pg .rule-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; margin-bottom: 10px; display: grid; gap: 8px; }
.pg .rule-card.off { opacity: 0.6; }
.pg .cond { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px 8px; background: var(--chip); border-radius: 8px; }
.pg .cond input[type=text] { flex: 1; min-width: 140px; }
.pg .stage { margin-top: 10px; }
.pg .why { margin: 4px 0 0 18px; padding: 0; color: var(--muted); font-size: 13px; }