.history-mode #app{
  grid-template-columns:minmax(0,1fr);
  background:#fff;
}
.history-mode #sidebar{display:none}
.history-mode #topbar,.history-mode #page-content{grid-column:1}
.history-mode #page-content{background:#fff}
.history-mode #chat-widget,.history-mode .sl-companion-callout{display:none!important}
.history-mode .sl-companion-dock{width:84px!important;min-height:84px!important;grid-template-columns:84px!important;filter:drop-shadow(0 12px 20px rgba(7,28,63,.14))!important}
.history-mode .sl-companion-character{width:84px!important;height:84px!important}
.history-mode .sl-companion-presence{left:7px!important;min-height:24px!important;padding-inline:7px!important;transform:scale(.88);transform-origin:left bottom}
.history-home{min-height:100%;background:#fff;color:#101426}
.history-hero{
  min-height:410px;border-bottom:1px solid #e9e9f3;background:#fff;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);align-items:center;
  gap:clamp(42px,5vw,84px);padding:60px clamp(32px,7vw,132px) 52px;overflow:hidden;
}
.history-hero-copy{max-width:720px;position:relative;z-index:2}
.history-hero h1{
  max-width:8ch;font-size:clamp(3.8rem,6.6vw,6rem);line-height:.98;letter-spacing:-.04em;
  font-weight:840;color:#0f1428;text-wrap:balance;
}
.history-hero h2{margin-top:20px;font-size:clamp(1.55rem,2.2vw,2.25rem);line-height:1.28;letter-spacing:-.025em;font-weight:760;color:#101426;text-wrap:balance}
.history-hero-copy>p{max-width:60ch;margin-top:16px;color:#55586b;font-size:16px;line-height:1.85}
.history-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}
.history-hero-actions .btn{min-height:46px;padding-inline:22px;font-size:14px;border-radius:11px}
.history-hero-actions .btn-s{border-color:#6e40ff;color:#5730dd;background:#fff}
.history-hero-actions .btn-s:hover{background:#f4f1ff}
.history-hero-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;margin-top:23px;color:#5f6071;font-size:12px}
.history-hero-meta span{display:inline-flex;align-items:center;gap:7px}
.history-hero-meta svg{width:15px;height:15px;color:#6e40ff}
.history-hero-atlas{position:relative;min-height:300px;display:flex;flex-direction:column;justify-content:center;gap:16px;padding-right:38px}
.history-hero-atlas::after{
  content:"";position:absolute;right:-80px;top:17px;width:63%;height:270px;opacity:.62;
  background:radial-gradient(120% 65% at 0 50%,transparent 58%,rgba(110,64,255,.14) 59%,transparent 61%);
  transform:skewY(-7deg);pointer-events:none;
}
.history-atlas-row{position:relative;z-index:1;display:grid;grid-template-columns:28px minmax(110px,auto) minmax(50px,1fr);align-items:center;gap:9px;color:#5f6071;font-size:13px;font-weight:650}
.history-atlas-row strong{font-variant-numeric:tabular-nums;color:var(--era-color)}
.history-atlas-row span{color:var(--era-color)}
.history-atlas-row i{height:1px;background:linear-gradient(90deg,var(--era-color),rgba(16,20,38,.09));position:relative}
.history-atlas-row i::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border:2px solid var(--era-color);background:#fff;border-radius:50%}
.history-mobile-progress{display:none}
.history-reader-shell{
  width:min(1500px,100%);margin:0 auto;padding:34px clamp(24px,3vw,52px) 120px;
  display:grid;grid-template-columns:minmax(154px,180px) minmax(480px,760px) minmax(276px,330px);
  gap:clamp(30px,3vw,54px);align-items:start;
}
.history-era-rail{position:sticky;top:26px;align-self:start;padding:10px 0 16px}
.history-era-rail h2{font-size:11px;line-height:1.4;color:#77788a;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.history-era-nav{position:relative;display:flex;flex-direction:column;gap:3px}
.history-era-nav::before,.history-era-nav::after{content:"";position:absolute;left:8px;top:17px;width:1px;height:calc(100% - 34px);background:#d9dae5}
.history-era-nav::after{height:calc((100% - 34px) * var(--history-progress,0));background:#6e40ff;transition:height .28s cubic-bezier(.16,1,.3,1)}
.history-era-link{
  position:relative;z-index:1;min-height:48px;width:100%;border:0;background:transparent;color:#77788a;
  display:grid;grid-template-columns:18px 28px 1fr;align-items:center;gap:8px;padding:4px 0;text-align:left;cursor:pointer;
}
.history-era-link::before{content:"";width:9px;height:9px;margin-left:4px;border:1.5px solid #bcc0cf;background:#fff;border-radius:50%;transition:.2s}
.history-era-link strong{font-size:11px;font-weight:650;font-variant-numeric:tabular-nums;color:#9a9baa}
.history-era-link span{font-size:13px;font-weight:650}
.history-era-link:hover,.history-era-link.is-active{color:var(--era-color)}
.history-era-link.is-active::before{border-color:var(--era-color);background:var(--era-color);box-shadow:0 0 0 4px #f0ecff}
.history-era-link:focus-visible{outline:2px solid #6e40ff;outline-offset:3px;border-radius:8px}
.history-narrative{min-width:0}
.history-chapter{scroll-margin-top:24px;padding:12px 0 90px}
.history-chapter+.history-chapter{padding-top:66px;border-top:1px solid #e9e9f3}
.history-chapter-header{padding-bottom:28px;border-bottom:1px solid #e9e9f3}
.history-chapter-period{display:block;margin-bottom:10px;color:var(--era-color);font-size:12px;font-weight:760;letter-spacing:.03em}
.history-chapter h2{font-size:clamp(2.25rem,3.6vw,3.55rem);line-height:1.06;letter-spacing:-.035em;font-weight:830;color:#101426;text-wrap:balance}
.history-chapter h3{max-width:34ch;margin-top:16px;font-size:clamp(1.2rem,1.75vw,1.55rem);line-height:1.55;letter-spacing:-.015em;font-weight:720;color:#24283c;text-wrap:balance}
.history-chapter-lead{max-width:70ch;margin-top:15px;color:#626477;font-size:14px;line-height:1.9}
.history-milestones{position:relative;margin-top:30px;padding-left:28px}
.history-milestones::before{content:"";position:absolute;left:7px;top:17px;bottom:18px;width:1px;background:linear-gradient(180deg,var(--era-color),#dfe0e9)}
.history-node{position:relative;padding:0 0 34px 4px}
.history-node:last-child{padding-bottom:8px}
.history-node::before{content:"";position:absolute;left:-28px;top:8px;width:11px;height:11px;border:3px solid #fff;border-radius:50%;background:var(--era-color);box-shadow:0 0 0 1px var(--era-color)}
.history-node.is-selected::before{box-shadow:0 0 0 1px var(--era-color),0 0 0 6px rgba(110,64,255,.1)}
.history-node-main{display:grid;grid-template-columns:62px minmax(0,1fr);gap:15px;align-items:start}
.history-node-year{padding-top:2px;color:var(--era-color);font-size:17px;font-weight:760;font-variant-numeric:tabular-nums}
.history-node-title{
  display:inline-flex;align-items:center;gap:7px;min-height:30px;padding:0;border:0;background:transparent;color:#161a2d;
  font-size:17px;line-height:1.45;font-weight:760;letter-spacing:-.015em;text-align:left;cursor:pointer;
}
.history-node-title svg{width:15px;height:15px;color:#9a9cad;transition:transform .2s,color .2s}
.history-node-title:hover{color:#6e40ff}.history-node-title:hover svg{color:#6e40ff;transform:translateX(2px)}
.history-node-title:focus-visible{outline:2px solid #6e40ff;outline-offset:4px;border-radius:5px}
.history-node p{max-width:68ch;margin-top:7px;color:#55586b;font-size:14px;line-height:1.82}
.history-node-links{display:flex;flex-wrap:wrap;gap:5px 13px;margin-top:9px}
.history-inline-link{border:0;background:transparent;color:#4f35d4;font-size:12px;font-weight:650;padding:2px 0;cursor:pointer;text-decoration:underline;text-decoration-color:rgba(79,53,212,.26);text-underline-offset:3px}
.history-inline-link:hover{text-decoration-color:#4f35d4}.history-inline-link:focus-visible{outline:2px solid #6e40ff;outline-offset:3px}
.history-node.is-flashing{animation:history-node-flash 1.45s cubic-bezier(.16,1,.3,1)}
@keyframes history-node-flash{0%{background:rgba(110,64,255,.14);box-shadow:0 0 0 13px rgba(110,64,255,.14)}100%{background:transparent;box-shadow:0 0 0 0 transparent}}
.history-causal{margin-top:25px;padding:24px 26px;border:1px solid #e4dfff;border-radius:14px;background:#faf9ff}
.history-causal h4{display:flex;align-items:center;gap:9px;color:#5730dd;font-size:16px;font-weight:760}
.history-causal h4 svg{width:18px;height:18px}
.history-cause-list{display:grid;gap:0;margin-top:17px}
.history-cause-step{display:flex;align-items:flex-start;gap:12px;color:#4f5164;font-size:13px;line-height:1.65}
.history-cause-step:not(:last-child)::after{content:"";display:block;width:1px;height:18px;background:#cfc5ff;margin:27px 0 -5px -18px}
.history-cause-step i{flex:0 0 auto;width:8px;height:8px;margin-top:7px;border-radius:50%;background:#6e40ff}
.history-causal-next{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:17px;border-top:1px solid #e4dfff;color:#25283b;font-size:12px;font-weight:700}
.history-causal-next svg{width:18px;height:18px;color:#6e40ff}
.history-preview-column{position:sticky;top:26px;align-self:start}
.history-preview-card{border:1px solid #e2e3ed;border-radius:14px;background:#fff;box-shadow:0 16px 38px rgba(22,26,45,.07);overflow:hidden}
.history-preview-drag,.history-preview-close{display:none}
.history-preview-inner{padding:22px 22px 20px}
.history-preview-label{display:flex;align-items:center;gap:8px;color:#727487;font-size:12px;font-weight:700}
.history-preview-label svg{width:16px;height:16px;color:#6e40ff}
.history-preview-title-row{display:flex;align-items:flex-start;gap:9px;margin-top:21px}
.history-preview-title-row h2{font-size:25px;line-height:1.2;letter-spacing:-.025em;font-weight:820;color:#101426;overflow-wrap:anywhere}
.history-preview-type{flex:0 0 auto;margin-top:3px;padding:3px 7px;border-radius:6px;background:#e8f7f3;color:#007c68;font-size:10px;font-weight:760}
.history-preview-aliases{margin-top:7px;color:#88899a;font-size:11px;line-height:1.5}
.history-preview-section{padding:17px 0;border-bottom:1px solid #ececf2}
.history-preview-section:last-of-type{border-bottom:0}
.history-preview-section h3{margin-bottom:7px;color:#24283b;font-size:12px;font-weight:780}
.history-preview-section p{color:#55586b;font-size:12px;line-height:1.72}
.history-preview-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.history-preview-fact span{display:block;color:#8b8c9b;font-size:10px}
.history-preview-fact strong{display:block;margin-top:4px;color:#34374a;font-size:12px;font-weight:700}
.history-preview-related{display:flex;flex-wrap:wrap;gap:7px}
.history-preview-related button{min-height:31px;padding:4px 8px;border:1px solid #dddfea;border-radius:7px;background:#f8f8fb;color:#525567;font-size:11px;cursor:pointer}
.history-preview-related button:hover{border-color:#bfb2ff;background:#f3f0ff;color:#5730dd}
.history-preview-actions{display:grid;gap:8px;margin-top:18px}
.history-preview-actions .btn{min-height:42px;width:100%;font-size:12px;border-radius:9px}
.history-preview-actions .history-ask{border-color:#d7ceff;color:#5730dd;background:#fff}
.history-preview-source{margin-top:14px;color:#8a8b9a;font-size:10px;line-height:1.55}
.history-preview-overlay{display:none}
.history-search-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px}
.history-search-actions .btn{min-height:38px;font-size:12px}
.wiki-search-result.has-history{grid-template-columns:110px minmax(0,1fr)}
#sidebar .sb-item[data-nav^="home-era-"] .cnt{display:none}

@media(max-width:1220px){
  .history-reader-shell{grid-template-columns:minmax(142px,168px) minmax(460px,1fr) 286px;gap:28px}
  .history-hero{padding-inline:48px}.history-hero-atlas{padding-right:0}
}
@media(max-width:1000px){
  .history-reader-shell{grid-template-columns:150px minmax(0,1fr);max-width:960px}
  .history-preview-column{position:fixed;z-index:230;left:50%;bottom:18px;top:auto;width:min(520px,calc(100vw - 32px));transform:translate(-50%,calc(100% + 38px));opacity:0;pointer-events:none;transition:transform .32s cubic-bezier(.16,1,.3,1),opacity .2s}
  .history-preview-column.is-open{transform:translate(-50%,0);opacity:1;pointer-events:auto}
  .history-preview-overlay.is-open{display:block;position:fixed;inset:0;z-index:220;background:rgba(15,20,40,.22)}
  .history-preview-close{display:inline-flex;position:absolute;top:11px;right:11px;z-index:2}
}
@media(max-width:768px){
  .history-mode #app{grid-template-rows:var(--topbar-h) minmax(0,1fr)}
  .history-hero{min-height:auto;display:block;padding:46px 20px 38px}
  .history-hero h1{font-size:clamp(3rem,15vw,4.35rem);max-width:7ch}
  .history-hero h2{font-size:1.45rem;max-width:16ch}
  .history-hero-copy>p{font-size:14px;line-height:1.75;max-width:36ch}
  .history-hero-actions{align-items:stretch;flex-direction:column;margin-top:24px}
  .history-hero-actions .btn{width:100%;min-height:48px}
  .history-hero-meta{gap:8px 16px}.history-hero-atlas{display:none}
  .history-mobile-progress{position:sticky;top:0;z-index:35;display:grid;grid-template-columns:repeat(7,1fr);background:#fff;border-bottom:1px solid #e9e9f3;padding:11px 8px 9px}
  .history-mobile-era{position:relative;min-height:38px;border:0;background:transparent;color:#8a8b99;font-size:9px;font-weight:650;line-height:1.2;padding:0 1px 15px;cursor:pointer}
  .history-mobile-era::before{content:"";position:absolute;left:0;right:0;bottom:4px;height:1px;background:#d5d6df}
  .history-mobile-era::after{content:"";position:absolute;left:50%;bottom:0;width:8px;height:8px;border:2px solid #bfc1cd;background:#fff;border-radius:50%;transform:translateX(-50%)}
  .history-mobile-era.is-active{color:var(--era-color)}.history-mobile-era.is-active::before{height:2px;background:var(--era-color)}.history-mobile-era.is-active::after{border-color:var(--era-color);box-shadow:0 0 0 2px #fff,0 0 0 3px var(--era-color)}
  .history-reader-shell{display:block;padding:34px 20px 86px}
  .history-era-rail{display:none}.history-chapter{padding:10px 0 72px}.history-chapter+.history-chapter{padding-top:52px}
  .history-chapter h2{font-size:2.55rem}.history-chapter h3{font-size:1.22rem;line-height:1.55}.history-chapter-lead{font-size:13px}
  .history-node-main{grid-template-columns:58px minmax(0,1fr);gap:11px}.history-node-year{font-size:16px}.history-node-title{font-size:16px;min-height:44px}
  .history-node p{font-size:13px;line-height:1.72}.history-milestones{padding-left:22px}.history-node::before{left:-22px}
  .history-causal{padding:20px 18px}.history-cause-step{font-size:12px}
  .history-preview-column{left:0;bottom:0;width:100%;max-height:min(74vh,680px);transform:translateY(104%);opacity:1}
  .history-preview-column.is-open{transform:translateY(0)}
  .history-preview-card{max-height:min(74vh,680px);border-radius:18px 18px 0 0;box-shadow:0 -18px 48px rgba(16,20,40,.16);overflow-y:auto}
  .history-preview-drag{display:block;width:46px;height:5px;margin:10px auto 0;border-radius:3px;background:#c9cad2}
  .history-preview-close{width:44px;height:44px}
  .history-preview-inner{padding:15px 20px calc(22px + var(--sab))}.history-preview-title-row{padding-right:32px}
  .history-preview-title-row h2{font-size:30px}.history-preview-section p{font-size:13px}.history-preview-actions .btn{min-height:48px;font-size:13px}
  .history-search-actions{align-items:stretch;flex-direction:column}.history-search-actions .btn{width:100%}
  .wiki-search-result.has-history{grid-template-columns:1fr}
}
@media(max-width:390px){
  .history-reader-shell{padding-inline:16px}.history-hero{padding-inline:16px}.history-chapter h2{font-size:2.25rem}
  .history-node-main{grid-template-columns:52px minmax(0,1fr)}.history-node-year{font-size:15px}
}
@media(prefers-reduced-motion:reduce){
  .history-era-nav::after,.history-preview-column,.history-node-title svg{transition:none!important}
  .history-node.is-flashing{animation:none;background:#f1edff;box-shadow:0 0 0 8px #f1edff}
}