.details-panel{width:min(980px,100%)}.details-hero{align-items:flex-start}.back-link{display:grid;place-items:center;text-decoration:none;border:1px solid var(--line);border-radius:var(--fb-radius-pill,999px)}.details-root{display:grid;gap:14px}.details-card{position:relative;padding:22px;border:1px solid rgba(255,255,255,.85);border-radius:26px;background:linear-gradient(145deg,#fffef9,#edf8f5);box-shadow:0 24px 44px rgba(35,48,47,.14),0 7px 0 rgba(9,82,77,.08)}.details-card:before{content:'';position:absolute;left:-9px;top:34px;border-top:11px solid transparent;border-bottom:11px solid transparent;border-right:11px solid var(--accent)}.details-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap}.details-title{margin:0;font-family:Fraunces,serif;font-size:clamp(2rem,5vw,4rem);line-height:.98}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.detail-chip{padding:12px;border-radius:16px;background:rgba(255,255,255,.7);box-shadow:inset 0 1px 0 #fff}.detail-chip strong{display:block;font-size:1.4rem}.detail-chip span{color:var(--muted);font-size:.75rem;font-weight:900;text-transform:uppercase}.detail-notes{white-space:pre-wrap;color:var(--muted);font-weight:700;line-height:1.6}.detail-actions{display:flex;gap:8px;flex-wrap:wrap}.empty-detail{padding:22px;border:1px dashed var(--line);border-radius:var(--fb-radius,18px);color:var(--muted);font-weight:800;background:rgba(255,255,251,.7)}@media(max-width:700px){.detail-grid{grid-template-columns:1fr}.details-hero{display:grid}.back-link{width:max-content}}

/* Thread-centric task view */
.details-hero-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.thread-new-cta{display:inline-flex;align-items:center;gap:6px;padding:11px 18px;border-radius:var(--fb-radius-pill,999px);background:var(--accent);color:#fff;font-weight:900;text-decoration:none;box-shadow:0 10px 22px rgba(9,82,77,.22)}
.thread-new-cta:hover{filter:brightness(1.05)}
.thread-card{border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,#fffef9,#f0f9f6);box-shadow:0 16px 34px rgba(35,48,47,.10);overflow:hidden}
.thread-card+.thread-card{margin-top:0}
.thread-summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:16px 18px}
.thread-summary::-webkit-details-marker{display:none}
.thread-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.thread-title{font-weight:900;font-size:1.15rem;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread-sub{color:var(--muted);font-size:.82rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread-caret{color:var(--muted);transition:transform .2s ease}
.thread-card[open] .thread-caret{transform:rotate(180deg)}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);flex:none}
.status-dot.status-done{background:#1f9d6b}
.status-dot.status-in-progress,.status-dot.status-progress{background:#e0a516}
.status-dot.status-todo,.status-dot.status-backlog{background:#8aa0a3}
.thread-body{border-top:1px solid var(--line);padding:14px 18px 18px}
.thread-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.thread-tab{border:1px solid var(--line);background:rgba(255,255,255,.6);border-radius:var(--fb-radius-pill,999px);padding:7px 14px;font-weight:800;font-size:.85rem;color:var(--muted);cursor:pointer}
.thread-tab.is-active{background:var(--accent);color:#fff;border-color:transparent}
.thread-panel{display:none}
.thread-panel.is-active{display:block}
.thread-timeline{display:grid;gap:2px;position:relative}
.tl-row{display:flex;align-items:flex-start;gap:12px;padding:10px 0;position:relative}
.tl-row+.tl-row{border-top:1px dashed var(--line)}
.tl-ico{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:rgba(9,82,77,.10);color:var(--accent);font-weight:900;flex:none}
.tl-due .tl-ico{background:rgba(224,165,22,.16);color:#b8791a}
.tl-main{flex:1;min-width:0}
.tl-txt{font-weight:800;line-height:1.35}
.tl-time{color:var(--muted);font-size:.78rem;font-weight:700;margin-top:2px}
.thread-subs{display:grid;gap:8px;margin-bottom:12px}
.thread-sub-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.6);text-decoration:none;color:inherit}
.thread-sub-row:hover{background:rgba(255,255,255,.9)}
.thread-sub-title{flex:1;min-width:0;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread-add-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--accent);text-decoration:none}
.thread-add-link:hover{text-decoration:underline}