/* linked_list.css — node boxes [value | next•] joined by arrows, ending at null. */
.ll-head { fill: #8aa0b6; font-size: 12px; font-weight: 700; font-family: ui-monospace, Menlo, Consolas, monospace; }
.ll-node { fill: rgba(56, 189, 248, 0.14); stroke: #38bdf8; stroke-width: 1.4; }
.ll-hot { fill: rgba(251, 191, 36, 0.26); stroke: #fbbf24; stroke-width: 2; }
.ll-div { stroke: rgba(148, 163, 184, 0.5); stroke-width: 1; }
.ll-val { fill: #eaf6ff; font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, Consolas, monospace; }
.ll-dot { fill: #cbd5e1; }
.ll-arrow { stroke: #94a3b8; stroke-width: 1.6; }
.ll-null { fill: #94a3b8; font-size: 13px; font-weight: 600; font-family: ui-monospace, Menlo, Consolas, monospace; }