.stage-description {
  max-width: 290px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.stage-artifacts[hidden] { display: none; }
.stage-artifact-count { width: 100%; color: var(--muted); font-size: 11px; }
.artifact-review-action { flex: none; padding: 4px 8px; border: 1px solid var(--accent); border-radius: 999px; background: transparent; color: var(--accent); font-size: 10px; }
.artifact-review-action.approved { border-color: var(--green); color: var(--green); }
.artifact-review-action.rejected { border-color: var(--red); color: var(--red); }
.artifact-send-button { border-color: var(--accent) !important; color: var(--accent) !important; }
.artifact-version { flex: none; padding: 3px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 10px; }
.artifact-history-action,.artifact-version-action,.artifact-delete-action { flex: none; min-height: 28px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--muted); font-size: 10px; }
.artifact-version-action { border-color: var(--accent); color: var(--accent); }
.artifact-delete-action { border-color: color-mix(in srgb,var(--red) 45%,var(--line)); color: var(--red); }
.project-stage-chip { display:inline-flex;align-items:center;min-height:26px;padding:3px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);white-space:nowrap; }
.project-stage-chip.stage-active { border-color:var(--accent);color:var(--accent); }
.project-stage-chip.stage-completed { border-color:color-mix(in srgb,var(--green) 55%,var(--line));color:var(--green); }
.artifact-version-list,.artifact-event-list { display: grid; gap: 8px; }
.artifact-version-list { margin-bottom: 18px; }
.artifact-version-list>div { display: grid; grid-template-columns: 90px minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.artifact-version-list span,.artifact-event-list small { color: var(--muted); font-size: 11px; }
.artifact-version-list a { color: var(--accent); text-decoration: none; }
.artifact-event-list>div { display: grid; grid-template-columns: 100px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.artifact-event-list time { color: var(--muted); font-size: 10px; }
.artifact-event-list span { display: grid; gap: 3px; }
.review-recipient { display: grid; gap: 3px; padding: 12px; border-left: 2px solid var(--accent); background: var(--surface-2); }
.review-recipient small { color: var(--muted); }
.planner-ai-warning { margin: 0 0 14px; padding: 10px 12px; border-left: 2px solid var(--amber); background: var(--surface-2); color: var(--muted); font-size: 11px; line-height: 1.45; }
.task-stage-select { width: 170px; height: 30px; padding: 0 28px 0 9px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--text); font-size: 11px; }
.stage-gantt { display: grid; gap: 0; }
.stage-gantt-legend { display: flex; gap: 18px; margin-bottom: 16px; color: var(--muted); font-size: 12px; }
.stage-gantt-legend span { display: flex; align-items: center; gap: 6px; }
.stage-gantt-legend i { width: 24px; height: 5px; border-radius: 3px; background: var(--accent); }
.stage-gantt-legend .baseline { height: 2px; background: var(--muted); }
.stage-gantt-legend .fact { background: var(--green); }
.stage-gantt-legend .late { background: var(--red); }
.stage-gantt-range { display: flex; justify-content: space-between; margin-left: 250px; padding-bottom: 7px; color: var(--muted); font-size: 10px; border-bottom: 1px solid var(--line); }
.stage-gantt-row { display: grid; grid-template-columns: 230px minmax(300px,1fr); gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.stage-gantt-row > div:first-child { display: grid; gap: 4px; }
.stage-gantt-row small { color: var(--muted); font-size: 10px; }
.stage-gantt-track { position: relative; min-height: 52px; background: repeating-linear-gradient(90deg,transparent 0,transparent calc(10% - 1px),var(--line) calc(10% - 1px),var(--line) 10%); }
.gantt-stage-bar { position: absolute; display: block; min-width: 3px; height: 8px; border-radius: 4px; }
.gantt-stage-bar.baseline { top: 6px; height: 2px; background: var(--muted); }
.gantt-stage-bar.plan { top: 17px; border: 1px solid var(--accent); background: var(--accent-soft); }
.gantt-stage-bar.fact { top: 34px; background: var(--green); }
.gantt-stage-bar.fact.late { background: var(--red); }
.stage-gantt-row details { grid-column: 2; color: var(--muted); font-size: 11px; }
.stage-gantt-row summary { cursor: pointer; color: var(--accent); }
.stage-gantt-row details p { line-height: 1.5; }
.stage-dependency { margin: 0 0 10px; color: var(--muted); font-size: 11px; }
.stage-variance.late { color: var(--red); }
.stage-variance.on-time { color: var(--green); }
.stage-blockers { display: grid; gap: 4px; margin-top: 12px; padding: 10px 12px; border-left: 2px solid var(--red); background: color-mix(in srgb,var(--red) 7%,var(--surface)); }
.stage-blockers b { color: var(--red); font-size: 11px; }
.stage-blockers button { min-height: 24px; padding: 2px 0; text-align: left; }
.stage-return-log { margin-top: 12px; color: var(--muted); font-size: 11px; }
.stage-return-log summary { cursor: pointer; color: var(--accent); }
.stage-return-log p { padding-left: 10px; border-left: 1px solid var(--line); line-height: 1.5; }

@media (max-width: 900px) {
  .stage-description { max-width: none; }
  .stage-gantt-range { margin-left: 0; }
  .stage-gantt-row { grid-template-columns: 1fr; }
  .stage-gantt-row details { grid-column: 1; }
  .task-stage-select { width: 145px; }
}

.project-gantt { --g-arrow-color: var(--muted); --g-bar-color: transparent; --g-bar-border: var(--line); --g-progress-color: color-mix(in srgb,var(--accent) 20%,transparent); --g-header-background: var(--surface); --g-row-color: var(--surface); --g-row-border-color: var(--line); --g-border-color: var(--line); --g-tick-color: var(--line); --g-tick-color-thick: var(--muted); --g-text-dark: var(--text); --g-text-muted: var(--muted); --g-actions-background: var(--surface-2); --g-weekend-highlight-color: var(--surface-2); }
.gantt-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.gantt-toolbar .segmented { display: inline-flex; flex: none; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.gantt-toolbar .segmented button { min-height: 34px; padding: 7px 14px; border: 0; border-right: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--muted); }
.gantt-toolbar .segmented button:last-child { border-right: 0; }
.gantt-toolbar .segmented button.active { background: var(--accent-soft); color: var(--accent); }
.gantt-legend { display: flex; justify-content: flex-end; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 11px; }
.gantt-legend span { display: inline-flex; align-items: center; gap: 6px; }
.gantt-legend span::before { content: ""; width: 18px; height: 6px; border: 1px solid currentColor; border-radius: 3px; }
.gantt-legend .stage { color: var(--accent); }
.gantt-legend .task { color: var(--green); }
.gantt-legend .critical,.gantt-legend .overdue { color: var(--red); }
.gantt-legend .critical::before { height: 2px; }
.gantt-legend .undated { color: var(--muted); }
.gantt-legend .undated::before { border-style: dashed; }
.gantt-scroll { min-height: 260px; overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
#project-gantt-chart { min-width: 760px; }
.project-gantt .gantt-container { border-radius: 8px; font-family: Inter,Arial,sans-serif; }
.project-gantt .gantt .bar-label { font-family: Inter,Arial,sans-serif; font-size: 11px; font-weight: 400; }
.project-gantt .gantt .arrow { stroke: color-mix(in srgb,var(--accent) 70%,var(--muted)); stroke-width: 1.2; }
.project-gantt .gantt-stage .bar,.project-gantt .gantt-stage-overdue .bar { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 1; }
.project-gantt .gantt-stage .bar-progress { fill: color-mix(in srgb,var(--accent) 42%,transparent); }
.project-gantt .gantt-task .bar { fill: color-mix(in srgb,var(--green) 15%,var(--surface)); stroke: var(--green); stroke-width: 1; }
.project-gantt .gantt-task .bar-progress { fill: color-mix(in srgb,var(--green) 42%,transparent); }
.project-gantt .gantt-task-critical .bar { fill: color-mix(in srgb,var(--red) 10%,var(--surface)); stroke: var(--red); stroke-width: 2; }
.project-gantt .gantt-task-critical .bar-progress { fill: color-mix(in srgb,var(--red) 30%,transparent); }
.project-gantt .gantt-task-overdue .bar,.project-gantt .gantt-stage-overdue .bar { fill: color-mix(in srgb,var(--red) 16%,var(--surface)); stroke: var(--red); stroke-width: 1.5; }
.project-gantt .gantt-task-overdue .bar-progress,.project-gantt .gantt-stage-overdue .bar-progress { fill: color-mix(in srgb,var(--red) 38%,transparent); }
.project-gantt .gantt-task-undated .bar { fill: transparent; stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 4; }
.project-gantt .gantt-task-undated .bar-progress { fill: transparent; }
.gantt-hint { margin: 10px 0 0; color: var(--muted); font-size: 11px; }

@media (max-width: 760px) {
  .gantt-toolbar { align-items: flex-start; flex-direction: column; }
  .gantt-legend { justify-content: flex-start; }
  #project-gantt-chart { min-width: 680px; }
}