.pbv-timeline{color:#0f172a;width:100%;max-width:960px;margin:0 auto}.pbv-timeline-header{text-align:center;margin-bottom:1.5rem}@media (width>=768px){.pbv-timeline-header{text-align:center;margin-bottom:2rem}}.pbv-timeline-title{margin-top:.75rem;font-size:clamp(1.75rem,3vw,2.5rem);font-weight:700}.pbv-timeline-desc{color:#475569;max-width:640px}.pbv-filter-chips{flex-wrap:wrap;justify-content:center;gap:.65rem;margin:1.5rem 0 2rem;display:flex}.pbv-chip{cursor:pointer;color:#334155;background:#fffc;border:1px solid #d0d7e7;border-radius:999px;padding:.35rem 1.1rem;font-size:.9rem;transition:all .2s}.pbv-chip:hover{color:#0f172a;border-color:#94a3b8}.pbv-chip-active{color:#fff;background:#0f172a;border-color:#0f172a;box-shadow:0 10px 25px #0f172a40}.pbv-timeline-vertical{padding-left:3rem;position:relative}.pbv-timeline-axis{background:linear-gradient(#d7e3ff 0%,#c3dafe 50%,#bdd9ff 100%);width:2px;position:absolute;top:0;bottom:0;left:.65rem}.pbv-era-card{--card-bg:linear-gradient(145deg, #fdfefe, #f3f8ff);--card-border:#d9e2ef;--accent:#94a3b8;border:1px solid var(--card-border);background:var(--card-bg);border-radius:20px;margin-bottom:1.75rem;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden;box-shadow:0 15px 35px #0f172a14}.pbv-era-card:before{content:"";background:var(--accent);border-radius:999px;width:14px;height:14px;position:absolute;top:32px;left:-2.25rem;box-shadow:0 0 0 6px #f8fbff}.pbv-era-card.is-open{transform:translateY(-2px);box-shadow:0 18px 40px #0f172a1f}.pbv-era-card[data-theme=indigo]{--card-bg:linear-gradient(135deg, #eef2ff, #e0e7ff);--card-border:#c7d2fe;--accent:#6366f1}.pbv-era-card[data-theme=mint]{--card-bg:linear-gradient(135deg, #ecfdf5, #d1fae5);--card-border:#a7f3d0;--accent:#10b981}.pbv-era-card[data-theme=sunset]{--card-bg:linear-gradient(135deg, #fff7ed, #ffedd5);--card-border:#fed7aa;--accent:#fb923c}.pbv-era-card[data-theme=neutral]{--card-bg:linear-gradient(135deg, #f8fafc, #e2e8f0);--card-border:#cbd5f5;--accent:#0ea5e9}.pbv-era-header{cursor:pointer;background:#fff6;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.pbv-era-header:focus-visible{outline-offset:2px;outline:3px solid #0f172a40}.pbv-era-name{margin-bottom:.15rem;font-size:1.15rem;font-weight:600}.pbv-era-range{letter-spacing:.08em;text-transform:uppercase;color:#475569;font-size:.9rem}.pbv-era-toggle{border:1px solid #0f172a1a;border-radius:999px;place-items:center;width:32px;height:32px;transition:background .2s,transform .2s;display:grid}.pbv-era-toggle:before{content:"";border-top:8px solid #0f172a;border-left:6px solid #0000;border-right:6px solid #0000;transition:transform .2s;display:block}.pbv-era-card.is-open .pbv-era-toggle{background:#0f172a}.pbv-era-card.is-open .pbv-era-toggle:before{border-top-color:#fff;transform:rotate(180deg)}.pbv-era-body{padding:0 1.5rem 1.5rem}.pbv-era-summary{color:#334155;margin:0 0 .75rem;font-size:.95rem}.pbv-era-tags{flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;display:flex}.pbv-era-tags span{color:#0f172a;letter-spacing:.04em;text-transform:uppercase;background:#0f172a14;border-radius:999px;padding:.15rem .65rem;font-size:.75rem}.pbv-era-events{flex-direction:column;gap:.9rem;margin:0;padding:0;list-style:none;display:flex}.pbv-event-row{background:#ffffffbf;border:1px solid #94a3b866;border-radius:14px;padding:.9rem 1rem;box-shadow:inset 0 1px #fff9}.pbv-event-content{align-items:flex-start;gap:1rem;display:flex}.pbv-event-date{color:#0f172a;letter-spacing:.06em;min-width:3.5rem;font-family:JetBrains Mono,SFMono-Regular,Consolas,monospace;font-size:.95rem}.pbv-event-text{flex:1}.pbv-event-title{margin-bottom:.15rem;font-weight:600}.pbv-event-notes{color:#475569;margin:0;font-size:.9rem}:root[data-theme=dark] .pbv-timeline{color:var(--text-color)}:root[data-theme=dark] .pbv-timeline-desc{color:var(--muted-text)}:root[data-theme=dark] .pbv-chip{color:var(--muted-text);background:#0f172ab3;border-color:#334155}:root[data-theme=dark] .pbv-chip:hover{color:var(--text-color);border-color:#64748b}:root[data-theme=dark] .pbv-chip-active{color:#0f172a;background:#e2e8f0;border-color:#e2e8f0;box-shadow:0 10px 25px #00000059}:root[data-theme=dark] .pbv-timeline-axis{background:linear-gradient(#1f2a44 0%,#334155 50%,#1f2a44 100%)}:root[data-theme=dark] .pbv-era-card{--card-bg:linear-gradient(135deg, #111c2e, #0f172a);--card-border:#1f2a44;--accent:#60a5fa;box-shadow:0 18px 40px #00000059}:root[data-theme=dark] .pbv-era-card:before{box-shadow:0 0 0 6px #0b1220}:root[data-theme=dark] .pbv-era-header{background:#0f172a99}:root[data-theme=dark] .pbv-era-header:focus-visible{outline-color:#e2e8f066}:root[data-theme=dark] .pbv-era-range{color:var(--muted-text)}:root[data-theme=dark] .pbv-era-toggle{border-color:#334155}:root[data-theme=dark] .pbv-era-toggle:before{border-top-color:#e2e8f0}:root[data-theme=dark] .pbv-era-card.is-open .pbv-era-toggle{background:#e2e8f0}:root[data-theme=dark] .pbv-era-card.is-open .pbv-era-toggle:before{border-top-color:#0f172a}:root[data-theme=dark] .pbv-era-summary{color:var(--muted-text)}:root[data-theme=dark] .pbv-era-tags span{color:var(--muted-text);background:#94a3b833}:root[data-theme=dark] .pbv-event-row{background:#0f172a99;border-color:#1f2a44;box-shadow:inset 0 1px #94a3b814}:root[data-theme=dark] .pbv-event-date{color:var(--text-color)}:root[data-theme=dark] .pbv-event-notes{color:var(--muted-text)}.pbv-era-heading{font-size:inherit;margin:0}button.pbv-era-header{box-sizing:border-box;text-align:left;width:100%;font:inherit;color:inherit;border:0}.pbv-era-label,.pbv-era-name,.pbv-era-range{display:block}.pbv-era-body[hidden]{display:none}.pbv-era-header:focus-visible{outline-offset:-3px}