.tabbar{display:flex;align-items:stretch;height:var(--control-h);flex-shrink:0;background:var(--bg-soft);border-bottom:1px solid var(--line-strong)}.tabbar__tabs{display:flex;flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}.tabbar__tabs::-webkit-scrollbar{display:none}.tabbar__tab{display:flex;align-items:center;gap:var(--sp-1);flex-shrink:0;max-width:360px;padding:0 var(--sp-1) 0 var(--sp-3);border-right:1px solid var(--line);font-size:var(--text-sm);color:var(--ink-muted);white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none;cursor:pointer}.tabbar__tab:hover{color:var(--ink)}.tabbar__tab--on{background:var(--surface);color:var(--accent-ink);font-weight:700;cursor:default;box-shadow:inset 0 -2px 0 var(--accent)}.tabbar__tab:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.tabbar__label{overflow:hidden;text-overflow:ellipsis}.tabbar__btn,.tabbar__close{display:inline-grid;place-items:center;width:20px;height:20px;padding:0;border:0;border-radius:var(--radius-sm);background:none;color:var(--ink-muted);font-size:var(--text);line-height:1;cursor:pointer;flex-shrink:0}.tabbar__btn:hover:not(:disabled),.tabbar__close:hover{background:var(--line);color:var(--ink)}.tabbar__btn:disabled{cursor:default;opacity:.5}.tabbar__buttons{display:flex;align-items:center;gap:2px;padding:0 var(--sp-2);border-left:1px solid var(--line);flex-shrink:0}.tabbar__menu{position:fixed;max-height:70vh;max-width:480px;overflow-y:auto}.tabbar__spin{width:10px;height:10px;border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;flex-shrink:0;animation:tabbar-spin .8s linear infinite}@keyframes tabbar-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.tabbar__spin{animation-duration:2.4s}}.tab-pane,.tab-panes{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.tab-pane{min-width:0}.tab-pane--hidden{display:none}.side__user{position:-webkit-sticky;position:sticky;bottom:calc(-1 * var(--sp-4));margin-top:var(--sp-4);padding:var(--sp-2) var(--sp-4);background:var(--nav-bg);border-top:1px solid var(--nav-line);display:flex;flex-direction:column;align-items:flex-start;gap:var(--sp-1)}.side__user-name{min-width:0;padding:0 var(--sp-2);font-size:var(--text-sm);white-space:nowrap}.side__user-btn,.side__user-name{max-width:100%;color:var(--nav-ink-muted);overflow:hidden;text-overflow:ellipsis}.side__user-btn:hover{background:var(--nav-hover-bg);color:var(--nav-ink)}.close-question__text{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;grid-gap:var(--sp-3);gap:var(--sp-3);margin:0;min-width:0;overflow-wrap:break-word}.close-question__text>span:last-child{white-space:pre-wrap}.close-question__icon{display:inline-grid;place-items:center;width:24px;height:24px;color:var(--brand-olive);flex-shrink:0}.close-question__icon--error{color:var(--status-error)}.close-question__icon--warning{color:var(--status-warn)}.close-question__icon--info,.close-question__icon--question{color:var(--brand-olive)}.side__head{display:flex;align-items:flex-start;justify-content:space-between}.side__head .side__brand{flex:1 1 auto;min-width:0}.side__pin{display:inline-grid;place-items:center;flex-shrink:0;width:var(--control-h);height:var(--control-h);margin-right:var(--sp-2);padding:0;border:0;border-radius:var(--radius);background:none;color:var(--nav-ink-muted)}.side__pin:hover{background:var(--nav-hover-bg);color:var(--nav-ink)}.nav-strip:focus-visible,.side__pin:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.nav-strip{display:none}@media (min-width:768px){.shell.shell--autohide{position:relative;grid-template-columns:var(--nav-strip-w) minmax(0,1fr)}.nav-strip{position:relative;z-index:36;display:flex;justify-content:center;align-items:flex-start;width:var(--nav-strip-w);min-height:0;padding:var(--sp-3) 0;border:0;border-right:1px solid var(--nav-line);background:var(--nav-bg);color:var(--nav-ink-muted);font-family:inherit;font-size:var(--text);font-weight:600}.nav-strip--on,.nav-strip:hover{background:var(--nav-head-bg);color:var(--nav-ink)}.nav-strip__text{writing-mode:vertical-rl;white-space:nowrap}.side--autohide{position:absolute;top:0;bottom:0;left:var(--nav-strip-w);z-index:35;width:var(--sidebar-w);box-shadow:var(--shadow);transform:translateX(-100%);visibility:hidden;transition:transform .2s ease,visibility 0s linear .2s}.side--autohide.side--slid{transform:none;visibility:visible;transition:transform .2s ease}}@media (min-width:768px) and (prefers-reduced-motion:reduce){.side--autohide,.side--autohide.side--slid{transition:none}}@media (max-width:767.98px){.side__pin{display:none}}