:root{--is-bg:#f6f5f2;--is-surface:#fff;--is-ink:#20232d;--is-muted:#646775;--is-line:#dedfe5;--is-accent:#4e46bc;--is-soft:#eeedf9;color-scheme:light}
:root[data-theme=dark]{--is-bg:#15171d;--is-surface:#20232b;--is-ink:#edeef4;--is-muted:#b0b3c0;--is-line:#383c49;--is-accent:#b2acff;--is-soft:#2b2943;color-scheme:dark}
html,body,#root,.app-shell{background:var(--is-bg);color:var(--is-ink)}
body{font-family:Inter,system-ui,-apple-system,'Segoe UI',sans-serif;margin:0;line-height:1.6}
*{box-sizing:border-box}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a{color:var(--is-accent)}
:focus-visible{outline:3px solid var(--is-accent)!important;outline-offset:4px}button,summary{cursor:pointer}button:disabled{cursor:wait;opacity:.6}
.header-shell{background:var(--is-surface);border:0;border-bottom:1px solid var(--is-line);box-shadow:none;padding:0;position:relative;z-index:10}
.header-inner{max-width:1280px;margin:auto;padding:20px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header-title{font-size:25px;letter-spacing:-1px;color:var(--is-ink);margin:0;font-weight:800}.header-subtitle{font-size:12px;margin:2px 0 0;color:var(--is-muted)}
.header-nav{display:flex;align-items:center;gap:16px;padding:0;margin:0;list-style:none;flex-wrap:wrap}.nav-link{color:var(--is-ink);font-weight:550;text-decoration:none;font-size:14px}.nav-link:hover{color:var(--is-accent)}
.header-nav select{border:1px solid var(--is-line);border-radius:8px;background:var(--is-bg);color:var(--is-ink);padding:8px;font-size:13px}
.is-profile{position:relative;font-size:14px}.is-profile-menu{position:absolute;right:0;top:34px;background:var(--is-surface);border:1px solid var(--is-line);padding:18px;min-width:250px;border-radius:12px;box-shadow:0 12px 35px #0002}.is-profile-menu p{overflow-wrap:anywhere;margin-top:0}
.page-shell,.page-shell--home{width:100%;max-width:1280px;margin:0 auto;padding:40px 32px 72px;display:block}
.is-intro{padding:16px 0 28px;max-width:850px}.is-kicker{text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:750;color:var(--is-accent)}
.is-intro h1{font-size:clamp(32px,4.2vw,54px);line-height:1.12;letter-spacing:-.045em;margin:16px 0}.is-intro p{color:var(--is-muted);font-size:17px}
.is-filters{display:flex;gap:12px;margin:8px 0 32px}.is-filters input,.is-filters select{border:1px solid var(--is-line);background:var(--is-surface);color:var(--is-ink);border-radius:10px;padding:13px 16px}.is-filters input{flex:1;min-width:0}.is-filters select{max-width:260px}
.is-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.is-card{background:var(--is-surface);border:1px solid var(--is-line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .16s,border-color .16s}.is-card:hover{transform:translateY(-3px);border-color:var(--is-accent)}
.is-card-main{border:0;padding:0;background:transparent;text-align:left;color:inherit;width:100%;flex:1;text-decoration:none;display:block}.is-card-main img,.is-card-art{width:100%;height:200px;display:block}.is-card-main img{object-fit:contain;background:var(--is-soft)}.is-card-art{background:var(--is-soft);display:flex;align-items:center;justify-content:center;color:var(--is-accent);font-size:40px;font-weight:750;letter-spacing:-.04em;padding:24px}
.is-card-copy{padding:24px 24px 8px}.is-card-copy h2{font-size:23px;line-height:1.25;letter-spacing:-.025em;margin:12px 0}.is-card-copy p{font-size:14px;line-height:1.65;color:var(--is-muted);margin:0 0 16px}
.is-card footer{padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--is-muted);font-size:12px;border-top:1px solid var(--is-line)}.is-save{background:none;border:0;color:var(--is-accent);padding:7px 0;font-size:12px;white-space:nowrap}
.is-featured .is-card-main{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}.is-featured .is-card-main img,.is-featured .is-card-art{height:300px}.is-featured .is-card-copy{padding:32px}.is-featured h2{font-size:32px}.is-featured footer{justify-content:flex-end;gap:24px}.is-feature-section{margin-bottom:44px}
.is-feature-frame{position:relative}.is-feature-frame .is-card:hover{transform:none}.is-feature-slide-window{position:relative;overflow:hidden;border-radius:16px}.is-feature-outgoing{position:absolute;inset:0;pointer-events:none;animation:feature-out .5s cubic-bezier(.22,.7,.2,1) both}.is-feature-incoming{position:relative;animation:feature-in .5s cubic-bezier(.22,.7,.2,1) both}.is-feature-progress.is-resetting .is-feature-progress-fill{transition:stroke-dashoffset .5s cubic-bezier(.2,.8,.2,1)}
@keyframes feature-in{from{transform:translateX(100%)}to{transform:translateX(0)}}@keyframes feature-out{from{transform:translateX(0)}to{transform:translateX(-100%)}}@media(prefers-reduced-motion:reduce){.is-feature-incoming,.is-feature-outgoing{animation:none}.is-feature-progress.is-resetting .is-feature-progress-fill{transition:none}}
.is-feature-frame>.is-feature-progress{position:absolute;top:0;left:0;width:100%;height:32px;z-index:2;pointer-events:none;--feature-progress:0}.is-feature-progress svg{display:block;overflow:visible}.is-feature-progress path{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.is-feature-progress-track{stroke:var(--is-line)}.is-feature-progress-fill{stroke:var(--is-accent);stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--feature-progress))}
.is-feature-media{position:relative;min-height:300px;min-width:0;overflow:hidden;background:var(--is-soft)}.is-featured .is-feature-media>img,.is-featured .is-feature-media>.is-card-art{position:absolute;inset:0;width:100%;height:100%;display:block}.is-featured .is-feature-media>img{object-fit:contain}.is-featured .is-card-copy{align-self:center}@media(max-width:640px){.is-feature-media{height:190px;min-height:190px}}
.is-section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.is-section-heading h2{font-size:24px;letter-spacing:-.025em;margin:0}.is-section-heading span{font-size:13px;color:var(--is-muted)}
.is-sort-tools{display:flex;align-items:center;justify-content:flex-end;gap:12px}.is-sort-tools label{display:flex}.is-sort-tools select{min-height:36px;padding:6px 34px 6px 12px;border:1px solid var(--is-line);border-radius:10px;background:var(--is-surface);color:var(--is-ink);font:600 12px/1.2 inherit;cursor:pointer}.is-sort-tools select:hover{border-color:var(--is-accent)}.is-sort-tools select:focus-visible{outline:3px solid color-mix(in srgb,var(--is-accent) 28%,transparent);outline-offset:2px;border-color:var(--is-accent)}
.post-comment-actions{display:flex;align-items:center;gap:6px;margin-left:auto}.post-comment-actions button{border:0;border-radius:7px;padding:5px 8px;background:transparent;color:var(--is-muted);font:600 12px/1 inherit;cursor:pointer}.post-comment-actions button:hover,.post-comment-actions button:focus-visible{background:var(--is-soft);color:var(--is-accent)}.post-comment-actions button:focus-visible{outline:2px solid var(--is-accent);outline-offset:1px}.post-comment-edit{display:grid;gap:8px;margin-top:8px}.post-comment-edit textarea{width:100%;resize:vertical}.post-comment-edit-actions{display:flex;justify-content:flex-end;gap:8px}.post-comment-edited{color:var(--is-muted);font-size:11px}.post-comment button:disabled{cursor:wait;opacity:.6}
@media(max-width:640px){.is-section-heading{align-items:flex-start;flex-direction:column}.is-sort-tools{width:100%;justify-content:space-between}.is-sort-tools select{max-width:100%}.post-comment-actions{width:100%;margin:6px 0 0}.post-comment>div>header{flex-wrap:wrap}}
.btn,.btn-ghost{border:1px solid var(--is-line);border-radius:8px;padding:10px 14px;background:var(--is-surface);color:var(--is-ink);box-shadow:none}.btn-primary{background:var(--is-accent);color:var(--is-bg);border-color:var(--is-accent)}
.is-empty{text-align:center;padding:64px 24px;color:var(--is-muted)}.is-empty h1,.is-empty h2{color:var(--is-ink)}.is-skeleton{height:330px;border-radius:16px;background:var(--is-soft);animation:is-pulse 1.5s infinite alternate}@keyframes is-pulse{to{opacity:.5}}
.is-reader-tools{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}.is-reading-layout{display:grid;grid-template-columns:minmax(0,760px) 210px;gap:56px;justify-content:center}.is-toc{position:sticky;top:24px;align-self:start;border-left:1px solid var(--is-line);padding-left:20px;font-size:13px}.is-toc a{display:block;margin:14px 0;text-decoration:none;color:var(--is-muted)}
.blog-reader{background:var(--is-surface);color:var(--is-ink);border:1px solid var(--is-line);border-radius:16px;overflow:hidden;max-height:none;width:100%;padding:32px}.blog-reader-head{padding:0;background:transparent}.blog-reader-head h1{font-size:clamp(30px,4vw,44px);line-height:1.16;letter-spacing:-.035em}.blog-reader-head p,.blog-reader-meta{color:var(--is-muted)}.blog-reader-prose{font-size:19px;line-height:1.85;max-width:700px;color:var(--is-ink);padding:0}.blog-reader-prose h2,.blog-reader-prose h3{scroll-margin-top:30px;line-height:1.3}.blog-reader-prose p{margin:1.2em 0}.blog-reader-cover{width:100%;max-height:440px;object-fit:cover;border-radius:10px;margin:24px 0}.blog-category-pill{background:var(--is-soft);color:var(--is-accent);border:0}.is-related{margin-top:48px}
.surface-panel,.setup-panel,.card,.input-control{background:var(--is-surface);color:var(--is-ink);border-color:var(--is-line)}.text-muted{color:var(--is-muted)}.setup-shell{min-height:65vh}.surface-panel{border-radius:16px;box-shadow:0 8px 40px #00000008}.input-control{border-radius:8px}.auth-action-card{background:var(--is-soft);color:var(--is-ink)}
@media(max-width:1050px){.header-inner{align-items:flex-start;flex-direction:column;gap:14px}.is-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.is-reading-layout{grid-template-columns:minmax(0,760px)}.is-toc{display:none}}
@media(max-width:640px){.header-inner{padding:18px 20px}.header-nav{gap:12px}.header-nav .btn{font-size:12px;padding:8px}.header-nav select{max-width:145px}.page-shell,.page-shell--home{padding:24px 18px 48px}.is-grid{grid-template-columns:1fr;gap:20px}.is-filters{flex-direction:column}.is-filters select{max-width:100%}.is-featured .is-card-main{grid-template-columns:1fr}.is-featured .is-card-main img,.is-featured .is-card-art{height:190px}.is-featured .is-card-copy{padding:24px}.is-featured h2{font-size:26px}.blog-reader{padding:20px}.blog-reader-prose{font-size:18px}.is-reader-tools{gap:8px}.is-reader-tools button{font-size:12px}.is-profile-menu{right:auto;left:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Refined navigation */
.header-shell{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--is-surface) 88%,transparent);backdrop-filter:blur(20px) saturate(145%);box-shadow:0 1px 0 color-mix(in srgb,var(--is-line) 85%,transparent),0 12px 32px #1110180a}
.header-inner{max-width:none;height:72px;padding:0 clamp(18px,3vw,56px);display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:22px}
.is-brand{justify-self:start;color:var(--is-ink);text-decoration:none}.is-brand>span{display:flex;align-items:center;gap:10px}.is-brand-mark{display:block;width:52px;height:52px;flex:none;border-radius:12px;box-shadow:0 3px 12px #17192318}.is-brand-copy{display:flex;flex-direction:column;gap:3px}.is-brand-word{color:var(--is-ink);font-size:21px;font-weight:800;letter-spacing:-.025em;line-height:1}.is-brand-tagline{color:var(--is-muted);font-size:11px;line-height:1.2;white-space:nowrap}.is-brand:hover .is-brand-mark{transform:translateY(-1px)}.is-brand--auth{display:flex;justify-content:center;margin:0 0 20px}.is-brand--auth .is-brand-mark{width:60px;height:60px}.is-brand--auth .is-brand-word{font-size:27px}
.is-main-nav{justify-self:center;padding:4px;border:1px solid color-mix(in srgb,var(--is-line) 82%,transparent);background:color-mix(in srgb,var(--is-soft) 60%,transparent);border-radius:13px}.header-nav{gap:2px;flex-wrap:nowrap}.nav-link{display:block;padding:8px 14px;border-radius:9px;color:var(--is-muted);font-size:13px;font-weight:700;line-height:1.25;transition:background .16s ease,color .16s ease,box-shadow .16s ease}.nav-link:hover{background:color-mix(in srgb,var(--is-surface) 90%,transparent);color:var(--is-ink)}.nav-link.is-active{background:var(--is-surface);color:var(--is-accent);box-shadow:0 2px 8px #10111a14}
.is-header-actions{justify-self:end;display:flex;align-items:center;gap:10px}.is-icon-control{width:38px;height:38px;border:1px solid color-mix(in srgb,var(--is-line) 85%,transparent);border-radius:11px;display:grid;place-items:center;background:color-mix(in srgb,var(--is-surface) 76%,transparent);color:var(--is-muted);transition:color .16s ease,background .16s ease,border-color .16s ease}.is-icon-control:hover{background:var(--is-soft);border-color:color-mix(in srgb,var(--is-accent) 35%,var(--is-line));color:var(--is-accent)}
.is-profile{position:relative;padding-left:10px;border-left:1px solid var(--is-line)}.is-profile summary{display:flex;align-items:center;gap:9px;list-style:none;border:1px solid transparent;border-radius:13px;padding:4px 8px 4px 4px;transition:background .16s ease,border-color .16s ease}.is-profile summary::-webkit-details-marker{display:none}.is-profile summary:hover,.is-profile[open] summary{background:var(--is-soft);border-color:color-mix(in srgb,var(--is-line) 88%,transparent)}.is-profile-avatar{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,color-mix(in srgb,var(--is-accent) 30%,var(--is-soft)),var(--is-soft));color:var(--is-accent);display:grid;place-items:center;font-size:12px;font-weight:800}.is-profile-copy{display:flex;flex-direction:column;min-width:0;gap:1px}.is-profile-copy small{color:var(--is-muted);font-size:9px;font-weight:750;letter-spacing:.06em;line-height:1;text-transform:uppercase}.is-profile-name{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:720;line-height:1.25}.is-profile-chevron{color:var(--is-muted);font-size:13px;transition:transform .16s ease}.is-profile[open] .is-profile-chevron{transform:rotate(180deg)}.is-profile-menu{top:52px;right:0;padding:8px;min-width:280px;border:1px solid color-mix(in srgb,var(--is-line) 90%,transparent);border-radius:15px;background:color-mix(in srgb,var(--is-surface) 96%,transparent);backdrop-filter:blur(18px);box-shadow:0 22px 52px #0a0b141f}.is-profile-menu a,.is-profile-menu button{display:block;width:100%;border:0;background:transparent;color:var(--is-ink);text-align:left;padding:11px 12px;border-radius:9px;text-decoration:none;font-size:13px}.is-profile-menu a:hover,.is-profile-menu button:hover{background:var(--is-soft);color:var(--is-accent)}.is-profile-identity{display:flex;flex-direction:column;padding:10px 12px 14px;border-bottom:1px solid var(--is-line);margin-bottom:5px}.is-profile-identity strong{font-size:13px}.is-profile-identity small{color:var(--is-muted);overflow-wrap:anywhere;font-size:11px}.is-header-error{max-width:1280px;margin:0 auto 8px}.is-signin{white-space:nowrap}

/* Room-based threaded chat */
.page-shell--chat{max-width:none;padding:0;height:calc(100dvh - 68px);overflow:hidden}.is-chat-shell{height:100%;display:grid;grid-template-columns:280px minmax(0,1fr);background:var(--is-bg)}
.is-chat-sidebar{background:var(--is-surface);border-right:1px solid var(--is-line);padding:22px 14px;display:flex;flex-direction:column;min-height:0}.is-chat-sidebar>header{display:flex;justify-content:space-between;align-items:center;padding:0 8px 12px;color:var(--is-muted);font-size:11px;letter-spacing:.12em;font-weight:750}.is-chat-sidebar>header button{border:0;background:var(--is-soft);color:var(--is-accent);width:28px;height:28px;border-radius:8px;font-size:20px;line-height:1}.is-chat-sidebar nav{display:flex;flex-direction:column;gap:3px;overflow:auto}.is-chat-sidebar nav>button{border:0;background:transparent;color:var(--is-ink);display:grid;grid-template-columns:25px 1fr;text-align:left;gap:7px;padding:10px;border-radius:10px}.is-chat-sidebar nav>button:hover{background:var(--is-soft)}.is-chat-sidebar nav>button.is-active{background:var(--is-soft);color:var(--is-accent)}.is-chat-sidebar nav>button span:last-child{min-width:0;display:flex;flex-direction:column}.is-chat-sidebar nav small{color:var(--is-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}.is-chat-new-room{margin-top:auto;border:0;border-top:1px solid var(--is-line);background:transparent;color:var(--is-accent);padding:16px 8px 2px;text-align:left;font-weight:650}
.is-chat-main{min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--is-bg)}.is-chat-room-head{flex:none;background:var(--is-surface);border-bottom:1px solid var(--is-line);padding:17px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px}.is-chat-room-head h1{margin:0;font-size:20px;letter-spacing:-.025em}.is-chat-room-head p{margin:2px 0 0;color:var(--is-muted);font-size:12px}.is-chat-settings{border:1px solid var(--is-line);background:transparent;color:var(--is-muted);border-radius:9px;padding:8px 11px}.is-chat-settings:hover{color:var(--is-accent);border-color:var(--is-accent)}
.is-chat-feed{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:28px max(24px,calc((100% - 880px)/2));scrollbar-gutter:stable}.is-chat-message{position:relative;margin:0 0 12px}.is-chat-message--reply{margin-left:min(calc(var(--thread-depth) * 34px),136px);padding-left:18px}.is-chat-message--reply::before{content:"";position:absolute;left:0;top:-12px;bottom:0;width:12px;border-left:1px solid var(--is-line);border-bottom:1px solid var(--is-line);border-radius:0 0 0 10px}.is-chat-message-body{background:var(--is-surface);border:1px solid var(--is-line);border-radius:13px;padding:14px 16px}.is-chat-message-body>header{display:flex;align-items:center;gap:10px}.is-chat-message-body>header>div{display:flex;flex-direction:column}.is-chat-message-body header small{color:var(--is-muted);font-size:11px}.is-chat-avatar{width:30px;height:30px;border-radius:9px;background:var(--is-soft);color:var(--is-accent);display:grid;place-items:center;font-size:12px;font-weight:800}.is-chat-message-body>p{white-space:pre-wrap;margin:10px 0 7px;overflow-wrap:anywhere}.is-chat-deleted{color:var(--is-muted);font-style:italic}.is-chat-actions{display:flex;gap:12px;flex-wrap:wrap;opacity:0;transition:opacity .15s}.is-chat-message-body:hover .is-chat-actions,.is-chat-message-body:focus-within .is-chat-actions{opacity:1}.is-chat-actions button{border:0;background:transparent;color:var(--is-muted);padding:3px 0;font-size:11px}.is-chat-actions button:hover{color:var(--is-accent)}
.is-chat-compose{flex:none;background:var(--is-surface);border-top:1px solid var(--is-line);padding:14px max(24px,calc((100% - 880px)/2)) 18px}.is-chat-compose--reply{border:1px solid var(--is-line);border-radius:12px;margin:8px 0 14px;padding:10px 12px}.is-chat-compose-row{display:flex;gap:9px;align-items:flex-end;border:1px solid var(--is-line);border-radius:13px;background:var(--is-bg);padding:7px}.is-chat-compose textarea,.is-chat-edit textarea{resize:vertical;min-height:42px;max-height:180px;width:100%;border:0;outline:0;background:transparent;color:var(--is-ink);padding:7px 9px}.is-chat-send{border:0;width:38px;height:38px;border-radius:10px;background:var(--is-accent);color:#fff}.is-chat-compose>small{display:block;color:var(--is-muted);font-size:10px;margin:5px 8px 0}.is-chat-reply-context{display:flex;justify-content:space-between;align-items:center;color:var(--is-muted);font-size:11px;padding:0 6px 7px}.is-chat-reply-context button{border:0;background:transparent;color:var(--is-muted);font-size:18px}.is-chat-edit>div{display:flex;gap:8px}.is-chat-empty{text-align:center;color:var(--is-muted);padding:70px 20px}.is-chat-empty>span{font-size:34px}.is-chat-empty h2{color:var(--is-ink);margin-bottom:3px}.is-chat-mobile-rooms{display:none}
.is-chat-attach{border:0;background:transparent;color:var(--is-muted);width:36px;height:38px;border-radius:8px}.is-chat-attach:hover{background:var(--is-soft)}.is-chat-file-preview{display:flex;justify-content:space-between;gap:10px;background:var(--is-soft);border-radius:9px;padding:7px 10px;margin-bottom:7px;color:var(--is-muted);font-size:11px}.is-chat-file-preview button{border:0;background:transparent;color:var(--is-muted)}.is-chat-attachment{display:block;max-width:100%;margin:10px 0;border-radius:10px}.is-chat-attachment--image img{display:block;max-width:min(100%,520px);max-height:420px;object-fit:contain;border-radius:10px}.is-chat-attachment--file{width:max-content;display:flex;align-items:center;gap:10px;padding:10px 12px;background:var(--is-soft);color:var(--is-ink);text-decoration:none}.is-chat-attachment--file>span:last-child{display:flex;flex-direction:column}.is-chat-attachment--file small{color:var(--is-muted)}
.is-modal-backdrop{position:fixed;inset:0;z-index:100;background:#0d0d1490;display:grid;place-items:center;padding:20px}.is-room-dialog{width:min(700px,100%);max-height:min(760px,calc(100dvh - 40px));overflow:auto;background:var(--is-surface);border:1px solid var(--is-line);border-radius:18px;box-shadow:0 24px 80px #0005}.is-room-dialog>header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--is-line)}.is-room-dialog h2{margin:0;font-size:21px}.is-room-dialog>header button{border:0;background:transparent;color:var(--is-muted);font-size:25px}.is-room-dialog form{padding:22px 24px;display:flex;flex-direction:column;gap:18px}.is-room-dialog label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650}.is-room-dialog input,.is-room-dialog textarea,.is-room-dialog select{border:1px solid var(--is-line);border-radius:9px;background:var(--is-bg);color:var(--is-ink);padding:10px}.is-room-form-grid{display:grid;grid-template-columns:90px 1fr;gap:12px}.is-room-dialog fieldset{border:1px solid var(--is-line);border-radius:11px;padding:12px 15px;display:flex;gap:20px}.is-room-dialog fieldset label{display:flex;flex-direction:row;align-items:center;font-weight:500}.is-room-members>strong{display:block;margin-bottom:8px}.is-room-members>div{border:1px solid var(--is-line);border-radius:11px;max-height:250px;overflow:auto}.is-room-user{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 12px;border-bottom:1px solid var(--is-line)}.is-room-user:last-child{border-bottom:0}.is-room-user label{flex-direction:row;align-items:center;font-weight:500;min-width:0}.is-room-user label span{display:flex;flex-direction:column;min-width:0}.is-room-user small{color:var(--is-muted);font-size:10px;overflow:hidden;text-overflow:ellipsis}.is-room-user select{padding:6px}.is-room-dialog footer{display:flex;justify-content:flex-end;gap:9px;border-top:1px solid var(--is-line);padding-top:18px}

@media(max-width:760px){.header-inner{height:112px;padding:0 16px;grid-template-columns:auto 1fr auto;grid-template-rows:65px 47px;gap:8px}.is-brand{grid-column:1;grid-row:1}.is-header-actions{grid-column:3;grid-row:1}.is-profile{padding-left:0;border-left:0}.is-profile-copy,.is-profile-chevron{display:none}.header-shell nav{position:static;grid-column:1/-1;grid-row:2;width:calc(100% + 32px);margin:0 -16px;padding:5px 16px;background:color-mix(in srgb,var(--is-surface) 94%,transparent);border:0;border-top:1px solid var(--is-line);border-radius:0;align-self:stretch}.header-nav{height:100%;justify-content:space-around}.nav-link{padding:8px 15px}.page-shell--chat{height:calc(100dvh - 112px)}.is-chat-shell{grid-template-columns:1fr;position:relative}.is-chat-mobile-rooms{display:block;position:absolute;z-index:12;top:13px;left:14px;border:1px solid var(--is-line);border-radius:8px;background:var(--is-surface);color:var(--is-ink);padding:7px 9px}.is-chat-sidebar{display:none;position:absolute;z-index:20;inset:0 20% 0 0;box-shadow:20px 0 50px #0004}.is-chat-sidebar.is-open{display:flex}.is-chat-room-head{padding:15px 14px 15px 122px}.is-chat-room-head p{display:none}.is-chat-settings{font-size:0;padding:8px}.is-chat-settings::first-letter{font-size:15px}.is-chat-feed{padding:18px 12px}.is-chat-compose{padding:10px 12px}.is-chat-message--reply{margin-left:min(calc(var(--thread-depth) * 16px),64px);padding-left:9px}.is-chat-actions{opacity:1}.is-room-form-grid{grid-template-columns:72px 1fr}.is-room-dialog fieldset{flex-direction:column;gap:8px}.is-room-user{align-items:flex-start;flex-direction:column}.is-room-user select{margin-left:25px}}

/* Article discovery, collections and editorial homepage */
.is-discovery{margin:0 0 36px;position:relative}.is-filter-toggle{display:flex;align-items:center;gap:8px;white-space:nowrap}.is-filter-toggle b{min-width:20px;height:20px;border-radius:10px;background:var(--is-accent);color:#fff;display:grid;place-items:center;font-size:11px}
.is-active-filters{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:-20px 0 18px}.is-active-filters button,.is-filter-pills button{border:1px solid var(--is-line);background:var(--is-surface);color:var(--is-ink);border-radius:999px;padding:7px 11px;font-size:12px}.is-active-filters .is-tag-operator{border:0;background:var(--is-soft);color:var(--is-accent);font-weight:800;padding:5px 8px}.is-filter-pills button:hover,.is-filter-pills button.is-selected{border-color:var(--is-accent);background:var(--is-soft);color:var(--is-accent)}
.is-filter-panel{display:grid;grid-template-columns:1fr 1.5fr;gap:18px;background:var(--is-surface);border:1px solid var(--is-line);border-radius:16px;padding:22px;box-shadow:0 20px 60px #1110180d}.is-filter-panel fieldset{border:0;margin:0;padding:0;min-width:0}.is-filter-panel legend{font-size:13px;font-weight:750;margin-bottom:10px}.is-filter-panel select,.is-filter-panel input{width:100%;border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);padding:10px;border-radius:9px}.is-filter-panel fieldset:first-child{display:grid;grid-template-columns:1fr 1fr;gap:9px}.is-filter-dates{display:grid!important;grid-template-columns:repeat(3,1fr);gap:9px}.is-filter-dates legend{grid-column:1/-1}.is-filter-dates label{font-size:11px;color:var(--is-muted)}.is-filter-wide{grid-column:1/-1}.is-filter-pills{display:flex;gap:7px;flex-wrap:wrap;max-height:150px;overflow:auto;padding:2px}.is-filter-legend-row{display:flex;align-items:center;justify-content:space-between}.is-filter-legend-row>span{font-size:11px;color:var(--is-muted)}.is-filter-legend-row button{border:0;border-radius:6px;background:var(--is-soft);color:var(--is-accent);font-weight:800}.is-filter-panel footer{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--is-line);color:var(--is-muted);font-size:12px}
.is-post-tags{display:flex;gap:6px;flex-wrap:wrap;margin:13px 0 4px}.is-post-tags span{background:var(--is-soft);color:var(--is-accent);border-radius:999px;padding:3px 7px;font-size:10px}.is-card-stats{display:flex;align-items:center;gap:9px}.is-card-stats button{border:0;background:transparent;color:var(--is-muted);font-size:11px;padding:4px}.is-card-stats button.is-liked{color:#c13f63}.is-collection-more{margin-left:-8px}.is-notice{background:var(--is-soft);color:var(--is-accent);border-radius:9px;padding:10px 13px;font-size:12px}
.is-circle-nav{display:flex;gap:8px;align-items:stretch;flex-wrap:wrap;margin:13px 0 18px}.is-circle-nav button{display:flex;flex-direction:column;gap:3px;min-width:148px;max-width:245px;text-align:left;border:1px solid var(--is-line);border-radius:12px;background:var(--is-surface);color:var(--is-ink);padding:10px 12px;transition:border-color .16s,background .16s,transform .16s}.is-circle-nav button:first-child{min-width:auto;justify-content:center}.is-circle-nav button:hover{border-color:var(--is-accent);transform:translateY(-1px)}.is-circle-nav button.is-selected{border-color:var(--is-accent);background:var(--is-soft);box-shadow:inset 0 0 0 1px var(--is-accent)}.is-circle-nav strong{font-size:12px;line-height:1.2}.is-circle-nav small{color:var(--is-muted);font-size:10px;line-height:1.25}
.is-meeting-card{display:flex;align-items:center;gap:16px;border:1px solid var(--is-line);background:linear-gradient(135deg,var(--is-surface),var(--is-soft));border-radius:15px;padding:16px 20px;margin:-8px 0 26px}.is-meeting-date{width:48px;height:48px;border-radius:13px;background:var(--is-accent);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800}.is-meeting-card>div{display:flex;flex-direction:column}.is-meeting-card small{font-size:9px;letter-spacing:.12em;color:var(--is-accent);font-weight:800}.is-meeting-card strong{font-size:17px}.is-meeting-card span:last-child{color:var(--is-muted);font-size:12px}.is-feature-controls{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.is-feature-controls p{margin:0}.is-feature-controls>div{display:flex;align-items:center;gap:7px}.is-feature-controls button{border:1px solid var(--is-line);background:var(--is-surface);color:var(--is-muted);border-radius:8px;padding:6px 9px;font-size:11px}.is-feature-controls span{font-size:11px;color:var(--is-muted)}.is-content-shelf{margin-top:52px}.is-content-shelf .is-section-heading p{margin:3px 0 0;color:var(--is-muted);font-size:12px}
.is-collection-dialog{width:min(560px,100%);background:var(--is-surface);border:1px solid var(--is-line);border-radius:18px;box-shadow:0 24px 80px #0005;padding:0;overflow:hidden}.is-collection-dialog>header,.is-pins-dialog>header,.is-pin-dialog>header{display:flex;justify-content:space-between;align-items:flex-start;padding:20px 22px;border-bottom:1px solid var(--is-line)}.is-collection-dialog h2,.is-pins-dialog h2,.is-pin-dialog h2{font-size:19px;margin:2px 0}.is-collection-dialog header small,.is-pins-dialog header small{color:var(--is-accent);letter-spacing:.12em;font-size:9px}.is-collection-dialog header button,.is-pins-dialog header button,.is-pin-dialog header button{border:0;background:transparent;color:var(--is-muted);font-size:24px}.is-collection-list{padding:12px 22px;max-height:310px;overflow:auto}.is-collection-list label{display:flex;align-items:center;gap:11px;padding:11px 0;border-bottom:1px solid var(--is-line)}.is-collection-list label span{display:flex;flex-direction:column}.is-collection-list small{color:var(--is-muted)}.is-collection-dialog form{display:flex;gap:9px;padding:16px 22px 22px}.is-collection-dialog form input{flex:1;min-width:0;border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:9px;padding:10px}

/* Rich room chat tools */
.is-chat-head-actions{display:flex;align-items:center;gap:8px}.is-chat-head-actions input{width:min(250px,24vw);border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:9px;padding:8px 10px;font-size:12px}.is-chat-order{display:flex;align-items:center;gap:6px;color:var(--is-muted);font-size:11px;white-space:nowrap}.is-chat-order select{border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:8px;padding:7px 25px 7px 9px;font:600 11px/1.2 inherit;cursor:pointer}.is-chat-compose{position:relative}.is-chat-formatbar{display:flex;gap:2px;padding:0 5px 5px}.is-chat-formatbar button{border:0;background:transparent;color:var(--is-muted);width:28px;height:25px;border-radius:6px;font-size:11px;font-weight:700}.is-chat-formatbar button:hover{background:var(--is-soft);color:var(--is-accent)}.is-chat-formatbar button:nth-child(2){font-style:italic}.is-chat-formatbar button:nth-child(3){text-decoration:underline}.is-chat-formatbar button:nth-child(4){text-decoration:line-through}.is-chat-compose-row>.is-chat-attach:nth-child(2){font-size:9px;font-weight:800}.is-chat-compose-row>.is-chat-attach:nth-child(5){color:#cf3f5e;font-size:17px}
.is-chat-tool-popover{position:absolute;z-index:30;left:max(12px,calc((100% - 880px)/2));bottom:92px;width:min(430px,calc(100% - 24px));max-height:min(520px,65vh);background:var(--is-surface);border:1px solid var(--is-line);border-radius:16px;box-shadow:0 24px 70px #0004;overflow:hidden}.is-chat-tool-popover>header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--is-line)}.is-chat-tool-popover>header button{border:0;background:transparent;color:var(--is-muted);font-size:21px}.is-chat-tool-popover>input,.is-gif-search{margin:12px 14px;width:calc(100% - 28px)}.is-chat-tool-popover input{border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:9px;padding:9px 11px}.is-emoji-groups,.is-gif-tabs{display:flex;gap:3px;padding:0 12px 10px;overflow:auto}.is-emoji-groups button,.is-gif-tabs button{border:0;background:transparent;color:var(--is-muted);border-radius:7px;padding:7px}.is-emoji-groups button.is-active,.is-gif-tabs button.is-active{background:var(--is-soft);color:var(--is-accent)}.is-emoji-grid{display:grid;grid-template-columns:repeat(9,1fr);gap:3px;padding:4px 14px 12px;max-height:240px;overflow:auto}.is-emoji-grid button{border:0;background:transparent;border-radius:7px;font-size:23px;padding:4px}.is-emoji-grid button:hover{background:var(--is-soft)}.is-emoji-picker>footer{display:flex;align-items:center;gap:4px;border-top:1px solid var(--is-line);padding:9px 14px}.is-emoji-picker>footer button{border:1px solid transparent;background:transparent;border-radius:7px;padding:5px}.is-emoji-picker>footer button.is-active{border-color:var(--is-accent);background:var(--is-soft)}.is-emoji-picker>footer small{margin-left:auto;color:var(--is-muted);font-size:9px}.is-gif-search{display:flex}.is-gif-search input{flex:1;min-width:0}.is-gif-search button{border:0;background:var(--is-accent);color:#fff;border-radius:0 9px 9px 0}.is-gif-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:4px 12px 14px;max-height:330px;overflow:auto}.is-gif-tile{border:0;background:var(--is-soft);padding:0;position:relative;border-radius:8px;overflow:hidden;min-height:80px}.is-gif-tile img{width:100%;height:100%;object-fit:cover;display:block}.is-gif-tile span{position:absolute;right:5px;top:5px;width:25px;height:25px;background:#111a;color:#fff;border-radius:50%;display:grid;place-items:center}.is-chat-gif-previews{display:flex;gap:7px;margin-bottom:7px;overflow:auto}.is-chat-gif-previews button{width:76px;height:54px;border:0;padding:0;position:relative;border-radius:8px;overflow:hidden}.is-chat-gif-previews img{width:100%;height:100%;object-fit:cover}.is-chat-gif-previews span{position:absolute;right:2px;top:0;background:#111b;color:#fff;border-radius:50%;width:19px;height:19px}.is-chat-recording{display:flex;align-items:center;gap:10px;background:color-mix(in srgb,#d83c5d 10%,var(--is-surface));border:1px solid color-mix(in srgb,#d83c5d 35%,var(--is-line));border-radius:10px;padding:8px 11px;margin-bottom:7px;font-size:11px}.is-chat-recording>span{color:#d83c5d;animation:is-record 1s infinite alternate}.is-chat-recording>span.is-paused{animation:none}.is-chat-recording time{color:var(--is-muted);margin-right:auto}.is-chat-recording button{border:0;background:transparent;color:var(--is-accent)}@keyframes is-record{to{opacity:.25}}
.is-chat-rich-text{margin:10px 0 7px;overflow-wrap:anywhere;white-space:normal}.is-chat-rich-text code{background:var(--is-soft);color:var(--is-accent);border-radius:5px;padding:2px 5px}.is-chat-rich-text pre{margin:10px 0;background:#181a20;color:#edf0f5;border-radius:10px;overflow:auto}.is-chat-rich-text pre header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ffffff18;padding:7px 10px;color:#abb0be;font-size:10px}.is-chat-rich-text pre code{display:block;background:transparent;color:inherit;padding:12px;white-space:pre;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.is-code-copy{border:0;background:transparent;color:#c4c8d2;font-size:10px}.is-chat-rich-text blockquote{border-left:3px solid var(--is-accent);margin:5px 0;padding:3px 10px;color:var(--is-muted)}.is-chat-mention{color:var(--is-accent);background:var(--is-soft);border-radius:4px;padding:1px 3px}.is-chat-attachment--image{border:0;padding:0;background:transparent;text-align:left;cursor:zoom-in}.is-chat-gif-message img{max-height:290px}
.is-pins-dialog{width:min(720px,100%);max-height:min(760px,calc(100dvh - 40px));display:grid;grid-template-rows:auto auto auto minmax(0,1fr);background:var(--is-surface);border:1px solid var(--is-line);border-radius:18px;box-shadow:0 24px 80px #0005;overflow:hidden}.is-pins-dialog>input{margin:14px 20px 8px;border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:9px;padding:10px}.is-pins-dialog>nav{display:flex;gap:6px;padding:4px 20px 12px;overflow:auto}.is-pins-dialog>nav button{border:1px solid var(--is-line);background:transparent;color:var(--is-muted);border-radius:999px;padding:6px 9px;font-size:11px}.is-pins-dialog>nav button.is-active{background:var(--is-soft);color:var(--is-accent);border-color:var(--is-accent)}.is-pin-list{overflow:auto;padding:8px 20px 20px}.is-pin-list article{border:1px solid var(--is-line);border-radius:11px;padding:12px;margin-bottom:8px}.is-pin-list article>header,.is-pin-list article>footer{display:flex;justify-content:space-between;gap:8px}.is-pin-list article>header span{color:var(--is-muted);font-size:10px}.is-pin-list article>footer button{border:0;background:transparent;color:var(--is-accent);font-size:11px}.is-pin-dialog{width:min(480px,100%);background:var(--is-surface);border:1px solid var(--is-line);border-radius:16px;padding-bottom:20px}.is-pin-dialog>p,.is-pin-dialog>label,.is-pin-dialog>.btn{margin:15px 20px 0}.is-pin-dialog>label{display:flex;flex-direction:column;gap:6px;font-size:12px}.is-pin-dialog select{border:1px solid var(--is-line);background:var(--is-bg);color:var(--is-ink);border-radius:9px;padding:9px}.is-chat-lightbox{position:fixed;inset:0;z-index:130;background:#090a0ee8;display:grid;place-items:center;padding:30px;cursor:zoom-out}.is-chat-lightbox>div{position:relative;max-width:96vw;max-height:92vh}.is-chat-lightbox img{display:block;max-width:96vw;max-height:92vh;object-fit:contain}.is-chat-lightbox button{position:absolute;right:-15px;top:-15px;width:36px;height:36px;border:0;border-radius:50%;background:#fff;color:#111;font-size:22px}

@media(max-width:760px){.is-filter-panel{grid-template-columns:1fr;padding:16px}.is-filter-wide,.is-filter-panel footer{grid-column:1}.is-filter-panel fieldset:first-child,.is-filter-dates{grid-template-columns:1fr}.is-filter-dates legend{grid-column:1}.is-card footer{align-items:flex-start;flex-direction:column}.is-card-stats{width:100%;justify-content:flex-end}.is-chat-head-actions input,.is-chat-order>span{display:none}.is-chat-order select{max-width:116px}.is-chat-room-head{padding-left:118px}.is-chat-tool-popover{left:8px;bottom:105px;width:calc(100% - 16px)}.is-emoji-grid{grid-template-columns:repeat(7,1fr)}.is-chat-compose-row{gap:2px}.is-chat-compose-row>.is-chat-attach{width:29px}.is-chat-formatbar{overflow:auto}.is-chat-recording{flex-wrap:wrap}.is-meeting-card{align-items:flex-start}.is-collection-dialog form{flex-direction:column}}

.is-load-more,.is-chat-load-older{display:flex;justify-content:center;padding:22px 0}.is-chat-load-older{padding:0 0 18px}.is-load-more .btn,.is-chat-load-older .btn{min-width:190px}.is-modal-backdrop [role="dialog"]:focus,.is-chat-lightbox:focus,.is-chat-tool-popover:focus{outline:none}

/* In-product publishing guide */
.is-help-page{width:min(880px,100%);margin:0 auto;background:var(--is-surface);border:1px solid var(--is-line);border-radius:18px;overflow:hidden}.is-help-page>header{padding:32px 38px 28px;background:linear-gradient(135deg,var(--is-surface),var(--is-soft));border-bottom:1px solid var(--is-line)}.is-help-page header small{color:var(--is-accent);font-size:10px;font-weight:800;letter-spacing:.12em}.is-help-page h1{margin:7px 0 8px;font-size:clamp(30px,4vw,42px);line-height:1.12;letter-spacing:-.035em}.is-help-page>header p{margin:0;color:var(--is-muted);font-size:16px}.is-help-content{padding:28px 38px 34px}.is-help-content>p:first-child{margin-top:0;color:var(--is-muted);font-size:16px}.is-help-content section{border-top:1px solid var(--is-line);padding:22px 0}.is-help-content h3{margin:0 0 9px;font-size:18px}.is-help-content p,.is-help-content li{font-size:14px}.is-help-content ol{padding-left:22px;margin:8px 0}.is-help-content pre{max-height:250px;overflow:auto;white-space:pre-wrap;background:var(--is-bg);border:1px solid var(--is-line);border-radius:11px;padding:14px;color:var(--is-ink);font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.is-help-tip{margin:0!important;padding:13px 15px;background:var(--is-soft);border-radius:10px;color:var(--is-accent)!important;font-weight:650}@media(max-width:640px){.is-help-page>header,.is-help-content{padding-left:20px;padding-right:20px}.is-help-page{border-radius:14px}.is-help-page>header{padding-top:25px}.is-help-page h1{font-size:30px}}
.is-help-prompt-card{margin-top:18px;padding:18px;border:1px solid var(--is-line);border-radius:12px;background:var(--is-soft)}.is-help-prompt-card h4{margin:0 0 8px;font-size:16px}.is-help-prompt-card p{margin:0 0 14px}.is-help-prompt-card pre{max-height:none;margin:0 0 14px}.is-help-prompt-card .btn{display:inline-flex;align-items:center;max-width:100%;white-space:normal;text-align:center}

/* Review 2026-10-13: clearer sign-in and article discovery */
.auth-password-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.auth-password-reset{border:0;background:none;color:var(--is-accent);font-size:13px;padding:2px 0}.auth-password-reset:hover{text-decoration:underline}.auth-password-field{position:relative}.auth-password-field>.input-control{width:100%;padding-right:48px}.auth-password-visibility{position:absolute;right:5px;top:50%;transform:translateY(-50%);width:38px;height:38px;border:0;border-radius:8px;background:none;color:var(--is-muted);display:grid;place-items:center;cursor:pointer}.auth-password-visibility:hover{background:var(--is-soft);color:var(--is-accent)}.auth-password-visibility:focus-visible{outline:2px solid var(--is-accent);outline-offset:1px}.auth-passwordless-option{display:flex;flex-direction:column;align-items:stretch;gap:13px;margin-top:4px}.auth-passwordless-option>span{text-align:center;color:var(--is-muted);font-size:12px}.auth-passwordless-button{width:100%;min-height:44px;border:1px solid var(--is-accent);border-radius:9px;background:transparent;color:var(--is-accent);font-weight:700}.auth-passwordless-button:hover{background:var(--is-soft)}.auth-registration-link{color:var(--is-accent)!important}
.auth-produkce-id-button{width:100%;min-height:44px;border:1px solid var(--is-line);border-radius:9px;background:var(--is-surface);color:var(--is-ink);font-weight:700}.auth-produkce-id-button:hover{border-color:var(--is-accent);color:var(--is-accent);background:var(--is-soft)}
.header-inner{max-width:1280px;margin-inline:auto;padding-inline:32px}.is-search-help{margin:-25px 0 18px;color:var(--is-muted);font-size:12px}.is-circle-nav{display:grid;grid-template-columns:72px repeat(3,minmax(0,1fr));gap:10px}.is-circle-nav button,.is-circle-nav button:first-child{width:100%;min-width:0;max-width:none;min-height:76px;justify-content:center;padding:12px 15px}.is-circle-nav strong{font-size:14px;line-height:1.25}.is-circle-nav small{font-size:11px;line-height:1.35}.is-feature-controls button{min-width:40px;min-height:40px;padding:8px 12px;font-size:14px;color:var(--is-ink);font-weight:650}.is-feature-controls button:hover{border-color:var(--is-accent);color:var(--is-accent);background:var(--is-soft)}.is-feature-controls span{font-size:13px;font-variant-numeric:tabular-nums;padding:0 5px}.is-profile-name{font-size:13px;max-width:175px}.is-profile-chevron{font-size:17px;line-height:1}.is-reading-layout{grid-template-columns:minmax(0,920px) 210px;gap:34px;justify-content:stretch}.blog-reader-prose{max-width:780px}.blog-reader-cover{max-height:540px}
@media(max-width:1100px){.is-reading-layout{grid-template-columns:minmax(0,1fr)}.is-circle-nav{grid-template-columns:72px repeat(3,minmax(0,1fr))}}@media(max-width:760px){.is-circle-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.is-circle-nav button,.is-circle-nav button:first-child{min-height:72px}.is-search-help{margin:-24px 0 16px}.is-feature-controls{align-items:flex-start;gap:10px}.is-feature-controls>div{flex-wrap:wrap;justify-content:flex-end}}@media(max-width:460px){.is-circle-nav{grid-template-columns:1fr}.is-circle-nav button,.is-circle-nav button:first-child{min-height:56px}}
@media(max-width:760px){.header-inner{padding-inline:16px}}

/* Consistent topic cards, legible carousel controls, and aligned article detail. */
.is-circle-nav{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.is-circle-nav button,.is-circle-nav button:first-child{min-height:98px;padding:16px 18px}
.is-circle-nav strong{font-size:16px;line-height:1.3}
.is-circle-nav small{font-size:13px;line-height:1.4}
.is-feature-control-group{display:flex;align-items:center;gap:0!important;border:1px solid var(--is-line);border-radius:999px;background:var(--is-surface);padding:4px;box-shadow:0 3px 14px #0000000d}
.is-feature-control-group button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;border:0!important;border-radius:999px;padding:9px 13px!important;background:transparent!important;color:var(--is-ink)!important;font-size:13px!important;white-space:nowrap;cursor:pointer}
.is-feature-control-group button:hover,.is-feature-control-group button:focus-visible{background:var(--is-soft)!important;color:var(--is-accent)!important;outline:2px solid transparent}
.is-feature-control-group button:focus-visible{outline-color:var(--is-accent)}
.is-feature-control-group button svg{width:18px;height:18px;flex:none}
.is-feature-control-group .is-feature-pause{color:var(--is-accent)!important;font-weight:700}
.is-feature-control-group .is-feature-count{min-width:62px;text-align:center;font-size:14px;font-weight:750;font-variant-numeric:tabular-nums;color:var(--is-ink);padding:0 8px;border-inline:1px solid var(--is-line)}
.is-detail,.is-reading-layout,.is-reading-layout>div{width:100%;min-width:0}
.is-reading-layout{display:block}
.blog-reader{box-sizing:border-box}
.blog-reader-prose{max-width:min(100%,960px)}
.post-comments{width:100%;margin:4rem 0 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(210px,240px);column-gap:clamp(24px,3vw,48px);align-items:start}
.post-comments-head{grid-column:1;grid-row:1;display:block}
.post-comments-head-actions{justify-content:flex-start;margin-top:14px}
.post-comments-toc{grid-column:2;grid-row:1 / span 5;position:sticky;top:95px;border-left:1px solid var(--is-line);padding:3px 0 4px 20px;font-size:13px;line-height:1.45}
.post-comments-toc strong{display:block;margin-bottom:14px;color:var(--is-ink)}
.post-comments-toc a{display:block;margin:0 0 14px;color:var(--is-muted);text-decoration:none}
.post-comments-toc a:hover,.post-comments-toc a:focus-visible{color:var(--is-accent);text-decoration:underline}
.post-comments>:not(.post-comments-toc){grid-column:1}
@media(max-width:900px){.is-circle-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.post-comments{grid-template-columns:minmax(0,1fr)}.post-comments-toc{grid-column:1;grid-row:auto;position:static;order:2;margin:18px 0 0}.post-comments>:not(.post-comments-toc){grid-column:1}}
@media(max-width:600px){.is-feature-controls{align-items:flex-start;gap:12px}.is-feature-control-group{max-width:100%;overflow-x:auto}.is-feature-control-group .is-feature-step span{display:none}.is-feature-control-group button{min-width:44px}.is-circle-nav button,.is-circle-nav button:first-child{min-height:86px}.is-circle-nav strong{font-size:15px}.is-circle-nav small{font-size:12px}}
@media(max-width:420px){.is-circle-nav{grid-template-columns:1fr}.is-circle-nav button,.is-circle-nav button:first-child{min-height:65px}}