/* call_stack.css — stacked call frames (active one highlighted) + the return annotation. */
.cs-cap { fill: #8aa0b6; font-size: 11px; font-weight: 600; }
.cs-floor { stroke: rgba(255, 255, 255, 0.32); stroke-width: 2; }
.cs-frame { fill: rgba(56, 189, 248, 0.12); stroke: #38bdf8; stroke-width: 1.3; }
.cs-frame-top { fill: rgba(251, 191, 36, 0.22); stroke: #fbbf24; stroke-width: 1.8; }
.cs-flabel { fill: #eaf6ff; font-size: 14px; font-weight: 700; font-family: ui-monospace, Menlo, Consolas, monospace; }
.cs-fdetail { fill: #9fb2c8; font-size: 12px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.cs-ret { fill: #6ee7b7; font-size: 14px; font-weight: 700; font-family: ui-monospace, Menlo, Consolas, monospace; }
.cs-empty { fill: #64748b; font-size: 13px; }