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0;font-size:15px;line-height:1.55}.history-date-group{max-width:560px;margin:0 0 43px}.history-date-group>h2{color:var(--soft);letter-spacing:.1em;text-transform:uppercase;margin:0 0 8px 74px;font-size:12px;font-weight:720}.history-entry{position:relative}.history-entry:after{background:var(--line);content:"";height:1px;position:absolute;bottom:0;left:74px;right:0}.history-entry-trigger{width:100%;min-height:110px;color:var(--text);cursor:pointer;text-align:left;background:0 0;border:0;padding:17px 8px 19px 74px;display:block;position:relative}.history-entry-time{width:49px;color:var(--soft);font-variant-numeric:tabular-nums;text-align:right;font-size:12px;position:absolute;top:21px;left:0}.history-entry-track{background:var(--line);width:1px;position:absolute;top:0;bottom:0;left:61px}.history-entry-track.starts{top:25px}.history-entry-track.ends{bottom:calc(100% - 26px)}.history-entry-dot{z-index:1;border:2px solid var(--surface);background:var(--soft);width:9px;height:9px;box-shadow:0 0 0 1px var(--line-strong);transition:background-color var(--duration-fast) ease, transform .2s var(--ease);border-radius:50%;position:absolute;top:23px;left:57px}.history-entry-copy{display:block}.history-entry-copy>strong{letter-spacing:-.025em;font-size:17px;font-weight:640;line-height:1.32;display:block}.history-entry-preview{color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:7px;font-size:13.5px;line-height:1.48;display:-webkit-box;overflow:hidden}.history-entry-meta{color:var(--soft);align-items:center;gap:8px;margin-top:11px;font-size:11.5px;display:flex}.history-topic-dot{background:var(--history-topic-color);border-radius:50%;flex:none;width:6px;height:6px}.history-entry.active .history-entry-dot{background:var(--control-selected-background);transform:scale(1.22)}.history-entry.active .history-entry-copy>strong{color:var(--control-selected-background)}.history-entry.active .history-entry-trigger:before{background:var(--control-selected-background);content:"";border-radius:2px;width:2px;position:absolute;top:15px;bottom:16px;left:70px}.history-inline-answer{display:none}.history-empty-state{max-width:420px;min-height:240px;color:var(--muted);text-align:center;align-content:center;justify-items:center;gap:8px;padding:64px 24px;display:grid}.history-empty-state svg{width:28px;height:28px;margin-bottom:8px}.history-empty-state strong{color:var(--text);font-size:15px}.history-empty-state span{font-size:13px}.history-focus{min-width:0;padding:58px clamp(38px,6vw,100px) 100px}.history-focus-inner{max-width:820px;margin:0 auto;position:sticky;top:48px}.history-focus-meta{color:var(--muted);align-items:center;gap:10px;margin-bottom:25px;font-size:12.5px;display:flex}.history-focus-meta>span:nth-child(2){background:var(--line-strong);width:28px;height:1px}.history-focus-inner>h2{letter-spacing:-.06em;text-wrap:balance;max-width:760px;margin:0;font-size:clamp(34px,3.7vw,57px);font-weight:520;line-height:1.06}.history-focus-answer{max-width:740px;margin-top:34px}.history-focus-answer .markdown-response{max-width:none;font-size:clamp(16px,1.3vw,19px);line-height:1.72}.history-focus-actions{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:8px;max-width:740px;margin-top:37px;padding-top:22px;display:flex}.history-focus-actions button,.history-inline-actions button{min-height:var(--control-min);background:var(--surface-2);color:var(--text);cursor:pointer;font:inherit;transition:background-color var(--duration-fast) ease, transform var(--duration-fast) var(--ease);border:0;border-radius:22px;justify-content:center;align-items:center;gap:8px;padding:0 15px;font-size:13px;font-weight:650;display:inline-flex}.history-focus-actions button:active,.history-inline-actions button:active{transform:scale(.97)}.history-focus-actions button svg,.history-inline-actions button svg{width:17px;height:17px}.history-focus-actions .history-open-chat{color:var(--muted);background:0 0;margin-left:auto}.history-focus-topics{flex-wrap:wrap;align-items:center;gap:7px;margin-top:25px;display:flex}.history-focus-topics>span{color:var(--soft);margin-right:3px;font-size:12px}.history-focus-topics button{min-height:var(--control-min);border:1px solid var(--line);color:var(--muted);cursor:pointer;font:inherit;background:0 0;border-radius:15px;padding:0 10px;font-size:11.5px;font-weight:620}.history-collections,.history-detail{width:min(100%,1120px);margin:0 auto;padding:38px clamp(28px,5vw,72px) 120px}.history-collections>.history-search-region{max-width:620px;margin-left:auto;margin-right:auto}.history-collections-intro{max-width:700px;margin:26px 0 66px}.history-section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin:0 0 18px;display:flex}.history-section-heading h2{letter-spacing:-.03em;margin:0;font-size:18px;font-weight:670}.history-section-heading>span{color:var(--soft);font-size:12px}.history-topic-list{border-top:1px solid var(--line-strong)}.history-topic-row{border:0;border-bottom:1px solid var(--line);width:100%;color:var(--text);cursor:pointer;text-align:left;background:0 0;grid-template-columns:minmax(145px,.36fr) minmax(240px,1fr) 90px;align-items:start;gap:clamp(22px,4vw,58px);padding:25px 54px 26px 34px;display:grid;position:relative}.history-topic-row-dot{background:var(--history-topic-color);border-radius:50%;width:9px;height:9px;position:absolute;top:31px;left:6px}.history-topic-row strong{letter-spacing:-.035em;font-size:18px;font-weight:660}.history-topic-row>span:nth-of-type(2){color:var(--muted);font-size:14px;line-height:1.55}.history-topic-row small{color:var(--soft);text-align:right;font-size:12px}.history-topic-row>svg{width:18px;height:18px;color:var(--soft);opacity:0;transition:opacity var(--duration-fast) ease, transform var(--duration-fast) var(--ease);position:absolute;top:27px;right:7px;transform:translate(-5px)}.history-folder-section{margin-top:76px}.history-folder-shelf{border-top:1px solid var(--line-strong);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.history-folder-empty{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:144px;color:var(--muted);grid-column:span 3;align-items:center;margin:0;padding:25px 32px 25px 0;font-size:14px;line-height:1.55;display:flex}.history-folder-item{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:144px;color:var(--text);cursor:pointer;text-align:left;background:0 0;flex-direction:column;justify-content:space-between;align-items:flex-start;gap:24px;padding:25px 22px 20px;display:flex}.history-folder-item:first-child{padding-left:0}.history-folder-item:last-child{border-right:0}.history-folder-item>svg{width:25px;height:25px;color:var(--muted)}.history-folder-item strong,.history-folder-item small{display:block}.history-folder-item strong{font-size:15px;font-weight:650}.history-folder-item small{color:var(--soft);margin-top:5px;font-size:12px}.history-folder-item.create{color:var(--accent)}.history-collection-empty{border-top:1px solid var(--line);border-bottom:1px solid var(--line);min-height:140px;color:var(--muted);align-items:center;padding:34px 0;font-size:14px;line-height:1.55;display:grid}.history-detail{max-width:1040px;padding-top:58px}.history-detail-back{min-height:var(--control-min);color:var(--muted);cursor:pointer;font:inherit;background:0 0;border:0;align-items:center;gap:9px;margin:0 0 42px;padding:0;font-size:13px;font-weight:650;display:inline-flex}.history-detail-back svg{width:18px;height:18px}.history-detail-header{max-width:780px}.history-detail-header>p{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;align-items:center;gap:10px;margin:0 0 14px;font-size:12px;font-weight:710;display:flex}.history-detail-header>p>span{background:var(--history-topic-color);border-radius:50%;width:8px;height:8px}.history-detail-summary{border-left:2px solid var(--history-topic-color);max-width:790px;color:color-mix(in srgb, var(--text) 86%, var(--muted));letter-spacing:-.025em;margin:42px 0 68px;padding-left:30px;font-size:clamp(18px,2vw,25px);line-height:1.52}.history-detail-provenance{color:var(--muted);margin:-56px 0 56px 32px;font-size:12px;display:block}.history-detail>h2{color:var(--soft);letter-spacing:.1em;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}.history-detail-sources>button{border:0;border-top:1px solid var(--line);width:100%;color:var(--text);cursor:pointer;text-align:left;background:0 0;grid-template-columns:92px 1fr 20px;align-items:center;gap:20px;padding:22px 0;display:grid}.history-detail-sources>button:last-child{border-bottom:1px solid var(--line)}.history-detail-sources time{color:var(--soft);font-size:12px}.history-detail-sources strong{font-size:15px;font-weight:630;line-height:1.4}.history-detail-sources svg{width:17px;height:17px;color:var(--soft)}.history-control-deck .history-mode-nav{grid-template-columns:repeat(3,minmax(0,1fr))}.history-dialog-backdrop{z-index:var(--layer-dialog);-webkit-backdrop-filter:blur(8px);background:#0c0c1261;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.history-dialog-dismiss{cursor:default;background:0 0;border:0;width:100%;position:absolute;inset:0}.history-dialog{z-index:1;border:1px solid var(--line);background:var(--surface);width:min(430px,100%);max-height:min(680px,100dvh - 48px);box-shadow:var(--shadow);animation:historyDialogIn .21s var(--ease) both;border-radius:28px;padding:26px;position:relative;overflow-y:auto}@keyframes historyDialogIn{0%{opacity:0;transform:translateY(12px)scale(.98)}}.history-dialog header{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.history-dialog h2{letter-spacing:-.04em;margin:0;font-size:22px;font-weight:660}.history-dialog header p{color:var(--muted);margin:8px 0 21px;font-size:13.5px;line-height:1.5}.history-dialog header>button{width:var(--control-min);height:var(--control-min);background:var(--surface-2);color:var(--muted);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.history-dialog header>button svg{width:18px;height:18px}.history-folder-choices>button{border:0;border-bottom:1px solid var(--line);width:100%;min-height:60px;color:var(--text);cursor:pointer;text-align:left;background:0 0;grid-template-columns:24px minmax(0,1fr) 24px;align-items:center;gap:11px;padding:0 4px;display:grid}.history-folder-choices>button>svg{width:20px;height:20px;color:var(--muted)}.history-folder-choices>button>svg:last-child{color:var(--control-selected-background);grid-column:3}.history-folder-choices strong{font-size:14px;font-weight:640}.history-dialog form>label{color:var(--muted);margin:2px 0 8px;font-size:12px;font-weight:650;display:block}.history-dialog form>input{border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface-2);width:100%;height:52px;color:var(--text);font:inherit;outline:0;padding:0 15px}.history-dialog form>input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent)}.history-dialog footer{justify-content:flex-end;gap:8px;margin-top:24px;display:flex}.history-dialog footer button{min-height:var(--control-min);background:var(--surface-2);color:var(--text);cursor:pointer;font:inherit;border:0;border-radius:21px;padding:0 16px;font-size:13px;font-weight:650}.history-dialog footer button[type=submit]{background:var(--text);color:var(--surface)}@media (hover:hover) and (pointer:fine){.history-search button:hover,.history-focus-actions button:hover,.history-inline-actions button:hover,.history-dialog header>button:hover{background:var(--surface-3);color:var(--text)}.history-entry-trigger:hover .history-entry-copy>strong,.history-topic-row:hover strong,.history-folder-item:hover strong,.history-detail-sources>button:hover strong{color:var(--accent)}.history-focus-actions .history-open-chat:hover{color:var(--text);background:0 0}.history-focus-topics button:hover{border-color:var(--line-strong);color:var(--text)}.history-topic-row:hover>svg{opacity:1;transform:translate(0)}.history-detail-back:hover{color:var(--text)}}@media (width>=960px){.history-control-deck .history-mode-nav{grid-template-columns:1fr}}@media (width<=1040px) and (width>=760px){.history-editorial-layout{grid-template-columns:minmax(340px,43vw) minmax(0,1fr)}.history-focus{padding-left:40px;padding-right:40px}.history-folder-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.history-folder-item:nth-child(2n){border-right:0}}@media (width<=759px){.history-timeline,.history-collections,.history-detail{padding:26px 20px 56px}.history-search-region{opacity:0;pointer-events:none;visibility:hidden;transition:grid-template-rows .22s var(--ease), margin .22s var(--ease), opacity var(--duration-fast) ease, visibility var(--duration-fast) ease;grid-template-rows:0fr;margin:0;display:grid}.history-search-region.open{opacity:1;pointer-events:auto;visibility:visible;grid-template-rows:1fr;margin-bottom:24px}.history-search-region>.history-search{min-height:0;overflow:hidden}.history-search-region.open>.history-search{min-height:50px}.history-editorial-layout{display:block}.history-timeline{border-right:0}.history-intro{margin-bottom:38px}.history-intro h1,.history-collections-intro h1,.history-detail-header h1,.history-intro .history-eyebrow{display:none}.history-intro>p:last-child{margin-top:0;font-size:14px;line-height:1.5}.history-date-group{max-width:none;margin-bottom:38px}.history-date-group>h2{margin-left:65px}.history-entry:after{left:65px}.history-entry-trigger{min-height:105px;padding:17px 3px 19px 65px}.history-entry-time{width:40px}.history-entry-track{left:52px}.history-entry-dot{left:48px}.history-entry.active .history-entry-trigger:before{left:61px}.history-entry-copy>strong{font-size:16.5px}.history-entry.active .history-entry-preview{display:none}.history-inline-answer{opacity:0;transition:grid-template-rows var(--duration-base) var(--ease), opacity var(--duration-fast) ease;grid-template-rows:0fr;margin-left:65px;display:grid}.history-entry.active .history-inline-answer{opacity:1;grid-template-rows:1fr}.history-inline-answer>div{min-height:0;overflow:hidden}.history-inline-answer-copy{padding:10px 0 3px}.history-inline-answer-copy .markdown-response{max-width:none;font-size:14.5px;line-height:1.62}.history-inline-answer-copy .markdown-response p{margin-bottom:13px}.history-inline-actions{flex-wrap:wrap;gap:7px;margin:4px 0 20px;display:flex}.history-inline-actions button{min-height:var(--control-min);padding:0 14px;font-size:12px}.history-focus{display:none}.history-collections-intro{margin:23px 0 49px}.history-collections-intro>p:last-child{margin-top:0;font-size:14px}.history-section-heading{flex-direction:column;align-items:flex-start;gap:4px}.history-topic-row{padding:22px 30px 23px 26px;display:block}.history-topic-row-dot{top:28px;left:3px}.history-topic-row strong,.history-topic-row>span:nth-of-type(2),.history-topic-row small{display:block}.history-topic-row strong{font-size:17px}.history-topic-row>span:nth-of-type(2){margin-top:8px;font-size:13.5px;line-height:1.5}.history-topic-row small{text-align:left;margin-top:11px}.history-topic-row>svg{opacity:1;top:23px;right:2px;transform:none}.history-folder-section{margin-top:63px}.history-folder-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}.history-folder-item{min-height:130px;padding:21px 18px 17px}.history-folder-item:nth-child(odd){padding-left:0}.history-folder-item:nth-child(2n){border-right:0}.history-detail{padding-top:28px}.history-detail-back{display:none}.history-detail-summary{margin:15px 0 52px;padding-left:20px;font-size:19px}.history-detail-sources>button{grid-template-columns:62px 1fr 18px;gap:12px;padding:19px 0}.history-detail-sources time{font-size:11px}.history-detail-sources strong{font-size:14px}.history-control-deck .history-mode-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.history-mode-chat{display:none}.history-dialog-backdrop{align-items:flex-end;padding:0}.history-dialog{width:100%;max-height:78dvh;padding:24px 22px calc(24px + env(safe-area-inset-bottom));border-width:1px 0 0;border-radius:28px 28px 0 0;animation-name:historyDialogIn}@keyframes historyDialogIn{0%{transform:translateY(100%)}}}