.version-center{display:grid;gap:0;margin:0 0 24px;padding:0;overflow:hidden}
.version-center-top{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 25px 17px}
.version-identity{display:flex;align-items:center;gap:13px;min-width:0}
.version-identity img{flex:none;border-radius:12px}
.version-identity h2{font-size:18px;line-height:1.3}
.version-identity p{margin-top:3px;color:var(--muted);font-size:12px}
.version-number{flex:none;padding:6px 11px;border:1px solid #d8e7de;border-radius:8px;background:#f5f9f6;color:var(--green-dark);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
.version-build-line{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:10px;text-align:right}
.version-build-line span+span{padding-left:9px;border-left:1px solid var(--line)}
.version-status-row{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:0 25px;padding:17px 0;border-top:1px solid var(--line)}
.version-status-copy{display:flex;align-items:flex-start;gap:11px;min-width:0}
.version-status-copy>div{min-width:0}
.version-status-copy strong{display:block;font-size:13px;line-height:1.5}
.version-status-copy p{margin-top:2px;color:var(--muted);font-size:11px;line-height:1.6;overflow-wrap:anywhere}
.version-status-copy small{display:block;margin-top:4px;color:var(--muted);font-size:10px}
.version-status-dot{width:9px;height:9px;flex:none;margin-top:5px;border-radius:50%;background:#9aa8a0;box-shadow:0 0 0 4px #edf1ee}
.version-status-dot.latest{background:#31856b;box-shadow:0 0 0 4px #e7f3ec}
.version-status-dot.available,.version-status-dot.blocked{background:#b7862c;box-shadow:0 0 0 4px #fbf2de}
.version-status-dot.checking{background:#547ba2;box-shadow:0 0 0 4px #eaf1f8;animation:update-pulse 1.4s ease-in-out infinite}
.version-status-dot.failed,.version-status-dot.offline,.version-status-dot.uncomparable{background:#b7524b;box-shadow:0 0 0 4px #f9ece9}
.version-status-dot.ahead{background:#77847d;box-shadow:0 0 0 4px #edf0ee}
.release-check-button{position:relative;flex:none;min-width:120px;transition:width .3s ease-in-out,min-width .3s ease-in-out,padding .3s ease-in-out,border-radius .3s ease-in-out;overflow:hidden}
.release-check-button span{transition:opacity .16s ease-in-out}
.release-check-button.is-busy{width:44px;min-width:44px;min-height:44px;padding-inline:0;border-radius:999px;color:transparent}
.release-check-button.is-busy span{opacity:0}
.release-check-button.is-busy:after,.release-apply-button.is-busy:after{content:"";position:absolute;width:15px;height:15px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:update-spin .75s linear infinite}
.release-check-button.is-busy:after{color:var(--green)}
.release-check-button.is-complete{color:var(--green-dark);border-color:#bdd9c8;background:#f2f8f4}
.release-check-button.is-complete:after{content:"✓";position:absolute;right:13px;font-size:15px;font-weight:700}
.release-check-button.is-complete span{padding-right:17px}
.release-latest{margin:0 25px 18px;padding:17px 18px 16px;border:1px solid #d4e5da;border-left:3px solid var(--green);border-radius:9px;background:#f7faf8}
.release-latest-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.release-eyebrow{display:block;color:var(--green);font-size:10px;font-weight:650}
.release-latest-heading h3{margin-top:4px;font-size:17px;line-height:1.45}
.release-latest-heading h3 strong{font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.release-channel{flex:none;padding:4px 8px;border-radius:99px;background:#e8f1eb;color:#4b6d5c;font-size:10px}
.release-date{margin-top:4px;color:var(--muted);font-size:10px}
.release-note-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;margin-top:14px}
.release-note-grid section h4,.release-history-body h4{margin-bottom:5px;color:#48685a;font-size:11px}
.release-note-grid ul,.release-history-body ul{margin:0;padding-left:17px;color:#53665d;font-size:11px;line-height:1.8}
.release-empty-note{margin:10px 0;color:var(--muted);font-size:11px;line-height:1.7}
.release-latest-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;padding-top:13px;border-top:1px solid #e2ebe5}
.release-latest-actions .btn{min-height:44px}
.version-more{margin:0 25px 2px;padding:12px 0 14px;border-top:1px solid var(--line)}
.version-more>summary{width:fit-content;max-width:100%;color:var(--green);font-size:11px;font-weight:600;cursor:pointer;list-style-position:inside}
.version-more-content{display:grid;gap:20px;padding:17px 0 4px}
.version-more-content h3{margin-bottom:10px;font-size:13px}
.update-preferences{display:grid;gap:0}
.update-toggle{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0;border-top:1px solid var(--line);cursor:pointer}
.update-toggle>span{display:grid;gap:3px;min-width:0}
.update-toggle strong{font-size:11px}
.update-toggle small{color:var(--muted);font-size:10px;line-height:1.6}
.update-toggle input{width:18px;height:18px;flex:none;accent-color:var(--green)}
.update-preferences>.release-empty-note{margin:5px 0 0}
.release-history-heading{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.release-history-heading h3{margin:0 auto 0 0}
.release-history-heading label{color:var(--muted);font-size:10px}
.release-history-heading select{max-width:170px;padding:7px 9px;font-size:10px}
.release-history-list{display:grid;gap:0;margin:11px 0 0;padding:0;list-style:none}
.release-history-list>li{padding:12px 0;border-top:1px solid var(--line)}
.release-history-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.release-history-meta strong{font-size:12px;font-variant-numeric:tabular-nums}
.release-history-meta span,.release-history-meta time{color:var(--muted);font-size:10px}
.release-history-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 20px;margin-top:8px}
.version-build-info dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;margin:0}
.version-build-info dl>div{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:8px 0;border-top:1px solid var(--line);font-size:10px}
.version-build-info dt{flex:none;color:var(--muted)}
.version-build-info dd{margin:0;max-width:72%;text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.version-feedback-actions{display:flex;justify-content:flex-end;padding-top:9px}
.update-diagnostic{width:100%;max-width:100%;resize:vertical;overflow-wrap:anywhere;font:11px/1.65 ui-monospace,"Cascadia Code",Consolas,monospace}
.update-toast{display:flex;align-items:center;gap:12px;max-width:min(560px,calc(100vw - 32px))}
.update-toast>span{flex:1;min-width:0}
.update-toast>div{display:flex;gap:9px;flex:none}
.update-toast button{padding:0;border:0;background:transparent;color:var(--green);font:inherit;font-size:11px;font-weight:650;cursor:pointer}
.update-toast button:focus-visible,.version-more summary:focus-visible,.release-check-button:focus-visible,.release-apply-button:focus-visible{outline:3px solid #84b99b;outline-offset:3px}
@keyframes update-spin{to{transform:rotate(360deg)}}
@keyframes update-pulse{50%{box-shadow:0 0 0 7px #eaf1f8}}

@media(max-width:720px){
  .version-center{margin-bottom:18px}
  .version-center-top{align-items:flex-start;flex-direction:column;padding:17px 16px 13px}
  .version-identity{gap:10px;width:100%}
  .version-identity img{width:40px;height:40px}
  .version-identity h2{font-size:16px}
  .version-number{margin-left:auto;padding:5px 8px;font-size:12px}
  .version-build-line{justify-content:flex-start;max-width:100%;text-align:left;overflow-wrap:anywhere}
  .version-status-row{align-items:stretch;flex-direction:column;gap:13px;margin:0 16px;padding:14px 0}
  .release-check-button{width:100%;min-width:0;min-height:44px}
  .release-check-button.is-busy{width:44px;min-width:44px;min-height:44px;align-self:flex-end}
  .release-latest{margin:0 16px 15px;padding:14px 13px}
  .release-latest-heading h3{font-size:15px}
  .release-note-grid,.release-history-body{grid-template-columns:1fr;gap:10px}
  .release-latest-actions{align-items:stretch;flex-direction:column}
  .release-latest-actions .text-link{text-align:left}
  .release-latest-actions .btn{width:100%;white-space:normal;text-align:center}
  .version-more{margin-inline:16px}
  .version-more-content{gap:16px}
  .version-build-info dl{grid-template-columns:1fr}
  .release-history-heading{gap:7px}
  .release-history-heading select{flex:1;min-width:125px}
  .update-toast{align-items:flex-start;flex-direction:column;gap:6px;padding:13px 15px}
  .update-toast>div{width:100%;justify-content:flex-end}
}

@media(prefers-color-scheme:dark){
  :root{color-scheme:dark;--canvas:#121b17;--paper:#1b2822;--ink:#e4eee8;--muted:#a1b1a8;--line:#34473c;--green:#83b79d;--green-dark:#a0d0b4;--pale:#26382e;--shadow:0 18px 55px rgba(0,0,0,.24)}
  body,.workspace,.main{background:var(--canvas);color:var(--ink)}
  .sidebar,.topbar,.panel,.metric,.subject-card,.modal,.account-mini{background:var(--paper);color:var(--ink);border-color:var(--line)}
  .btn.secondary,.icon-button,.filter-search,.subject-pill,.check-card,.field input,.field textarea,.field select,.update-diagnostic{background:#202f28;color:var(--ink);border-color:var(--line)}
  .version-number{background:#24372d;color:#a4d5b8;border-color:#40594a}
  .version-status-dot{box-shadow:0 0 0 4px #2b3831}
  .version-status-dot.latest{box-shadow:0 0 0 4px #243a2e}
  .version-status-dot.available{box-shadow:0 0 0 4px #403825}
  .version-status-dot.checking{box-shadow:0 0 0 4px #293849}
  .version-status-dot.failed,.version-status-dot.offline,.version-status-dot.uncomparable{box-shadow:0 0 0 4px #432f2d}
  .version-status-dot.ahead{box-shadow:0 0 0 4px #303a34}
  .release-latest{background:#1d2c24;border-color:#3a5545}
  .release-latest-actions{border-color:#34473c}
  .release-channel{background:#2b3e32;color:#b4d1be}
  .release-note-grid section h4,.release-history-body h4{color:#9ac4a8}
  .release-note-grid ul,.release-history-body ul{color:#bdcbc2}
  .release-check-button.is-complete{background:#263b2e;color:#a6d5b7;border-color:#45634e}
  .update-toast button{color:#a2d0b2}
}