/* R11 update surfaces inherit the workspace theme and motion tokens. */
.release-notice[hidden],.release-work-warning[hidden],.release-busy-note[hidden] {display:none!important}
.release-notice {position:fixed;z-index:1100;bottom:24px;left:max(24px,calc(var(--sidebar-width,240px) + 24px));display:flex;align-items:center;gap:24px;max-width:min(620px,calc(100vw - 304px));padding:18px 20px;background:var(--surface);color:var(--ink);border-radius:14px;box-shadow:0 12px 48px rgba(16,20,36,.2)}
.release-notice-copy {display:grid;gap:4px;min-width:0}
.release-notice-copy strong {font-size:.88rem;font-weight:600}
.release-notice-copy span {font-size:.77rem;color:var(--muted);line-height:1.5}
.release-notice .button {flex:none;font-size:.8rem;white-space:nowrap}
.release-dialog {box-sizing:border-box;width:min(560px,calc(100vw - 32px));max-height:calc(100dvh - 40px);padding:0;border:0;border-radius:20px;background:var(--surface);color:var(--ink);box-shadow:0 28px 100px rgba(12,16,28,.28);overflow:auto;scrollbar-color:var(--line) transparent;scrollbar-width:thin}
.release-dialog::backdrop {background:var(--overlay)}
.release-dialog[open] {animation:release-appear 180ms var(--ease-out)}
.release-heading {display:flex;align-items:center;justify-content:space-between;padding:24px 28px 0;gap:20px}
.release-brand {font-size:1rem;font-weight:650;letter-spacing:-.025em}
.release-close {display:grid;place-items:center;width:36px;height:36px;padding:8px;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}
.release-close .icon {width:20px;height:20px}
.release-content {padding:24px 32px 28px}
.release-content h2 {font:600 clamp(1.6rem,3vw,2rem)/1.17 var(--font);letter-spacing:-.035em;margin:0 0 16px;max-width:24ch;text-wrap:balance;overflow-wrap:anywhere}
.release-content>p:not(.release-version) {font-size:.88rem;line-height:1.65;color:var(--muted);margin:0}
.release-version {font-size:.72rem;color:var(--muted);font-variant-numeric:tabular-nums;margin:14px 0 0;overflow-wrap:anywhere}
.release-highlights {display:grid;gap:24px;margin:30px 0}
.release-highlight {display:grid;grid-template-columns:24px minmax(0,1fr);column-gap:14px}
.release-highlight svg {width:20px;height:20px;margin-top:2px;color:var(--accent);fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.release-highlight h3 {font-size:.91rem;font-weight:600;margin:0 0 6px;line-height:1.45;overflow-wrap:anywhere}
.release-highlight p {font-size:.83rem;line-height:1.65;color:var(--muted);margin:0;overflow-wrap:anywhere}
.release-content .release-impact {padding-top:22px;border-top:1px solid var(--line);font-size:.77rem;line-height:1.7}
.release-work-warning {background:var(--warning-soft);color:var(--warning);border-radius:10px;padding:14px 16px;margin-top:20px;font-size:.8rem;line-height:1.6}
.release-work-warning strong {font-weight:650}
.release-work-warning p {margin:6px 0 12px}
.release-work-warning label {display:flex;align-items:flex-start;gap:10px;font-size:.8rem;cursor:pointer}
.release-work-warning input {margin:4px 0 0;accent-color:var(--accent);flex:none;width:16px;height:16px}
.release-content .release-busy-note {margin-top:16px;color:var(--warning);font-size:.8rem}
.release-footer {display:flex;align-items:center;justify-content:flex-end;gap:10px;position:sticky;bottom:0;padding:18px 28px;background:var(--surface-2)}
.release-footer .button {min-height:42px;font-size:.85rem}
.release-dialog button:focus-visible,.release-notice button:focus-visible {outline:3px solid var(--focus);outline-offset:3px}
.release-dialog button:disabled {opacity:.55;cursor:not-allowed}
.release-dialog ::selection {background:var(--accent-soft);color:var(--ink)}
.release-preview-label {margin:0;padding:8px 18px;background:var(--warning-soft);color:var(--warning);font-size:.76rem;text-align:center}
@keyframes release-appear {from{opacity:.6;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(hover:hover) and (pointer:fine){.release-close:hover{background:var(--surface-2);color:var(--ink)}}
@media(prefers-reduced-motion:reduce){.release-dialog[open]{animation:none}}
@media(max-width:760px){.release-notice{left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));max-width:none;gap:16px}.release-notice-copy span{display:none}.release-notice .button{font-size:.75rem;padding:9px 12px}.release-heading{padding:18px 20px 0}.release-content{padding:20px 24px 24px}.release-footer{padding:16px 20px}.release-dialog{max-height:calc(100dvh - 24px)}}

/* R13: one stable toolbar home for updates, never a bottom nav or floating banner. */
.release-topbar-button {position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;flex:none;min-height:36px;padding:8px 12px;margin-left:8px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--ink);font:550 .76rem/1.2 var(--font);white-space:nowrap;cursor:pointer;transition:background-color 160ms var(--ease-out),border-color 160ms var(--ease-out)}
.release-topbar-button .icon {width:17px;height:17px;flex:none;color:var(--muted)}
.release-topbar-button[data-release-pending="true"] {border-color:var(--accent);color:var(--accent)}
.release-topbar-button:focus-visible {outline:3px solid var(--focus);outline-offset:3px}
.release-topbar-button[aria-busy="true"] {opacity:.7;cursor:progress}
.release-unread-dot {width:6px;height:6px;flex:none;border-radius:50%;background:var(--accent)}
.release-unread-dot[hidden] {display:none!important}
@media(hover:hover) and (pointer:fine){.release-topbar-button:hover{background:var(--accent-soft);border-color:var(--accent)}}
@media(max-width:1000px){.topbar-actions .workspace-guide-trigger{display:none}}
@media(max-width:760px){.release-topbar-button{width:40px;min-height:40px;padding:10px;margin-left:4px}.release-topbar-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.release-unread-dot{position:absolute;right:6px;top:6px}.topbar-location{overflow:hidden}.topbar-location>span:first-of-type{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:22vw}.topbar-actions .topbar-search span,.topbar-actions .topbar-search kbd{display:none}}
@media(prefers-reduced-motion:reduce){.release-topbar-button{transition:none}}