:root{--nav:#eff4f7;--ink:#172b3b;--line:#dbe5eb;--blue:#186b91}body{background:#f8fafb;color:var(--ink)}.shell{max-width:1500px;padding:14px 22px}header{margin-bottom:12px}header p{font-size:12px}.workspace{display:grid;grid-template-columns:270px minmax(0,1fr);gap:18px;min-height:calc(100vh - 115px)}.sidebar{display:flex;flex-direction:column;overflow:hidden;max-height:calc(100vh - 115px);background:var(--nav);border:1px solid var(--line);border-radius:12px;padding:12px}.sideactions{display:flex;gap:6px;flex-shrink:0}.sideactions button{font-size:13px;padding:8px 10px}#search{padding:9px 10px;margin:2px 0 12px;font-size:13px;background:#fff}#tree{overflow-y:auto;flex:1;min-height:0}.folder-row,.thread-row{display:flex;align-items:center;gap:3px;min-height:31px;padding-left:calc(var(--depth)*11px);border-radius:7px}.folder-row.topfolder{background:#dfeaf1;margin:6px 0 3px;font-weight:700}.folder-row:hover,.thread-row:hover{background:#dbe8f0}.thread-row.selected{background:#cce5f5}.chevron,.folder-name,.thread-name,.menu-toggle{background:transparent;color:#21384a;border:0;border-radius:5px;padding:5px;font-size:12px}.chevron{flex:0 0 20px;padding:2px}.folder-name,.thread-name{flex:1;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-name{font-weight:400}.menu-wrap{position:relative;flex:0 0 auto}.menu-toggle{opacity:.15;font-size:19px;padding:1px 7px}.folder-row:hover .menu-toggle,.thread-row:hover .menu-toggle,.menu-toggle:focus,.menu-wrap.open .menu-toggle{opacity:1}.menu-items{display:none;position:absolute;z-index:10;right:0;top:26px;min-width:155px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 5px 20px #15283a24;padding:5px}.menu-wrap.open .menu-items{display:flex;flex-direction:column}.menu-item{background:#fff;color:#203b50;text-align:left;padding:7px;font-size:12px}.menu-item:hover{background:#edf4f8}#usage{display:block;border-top:1px solid var(--line);padding:12px 2px 0;margin-top:10px;font-size:10px;color:#52697a}.chat{display:flex;flex-direction:column;min-width:0}.chathead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.chathead h2{margin:0;font-size:18px}.modelbadge{display:inline-block;margin:0 4px 4px 0;padding:4px 8px;border-radius:7px;background:#e6f0f5;color:#365468;font-size:11px}.modelbadge.off{background:#fff0df;color:#8b5a25}.viewcontrols{display:flex;gap:6px;justify-content:flex-end;margin:5px 0}.view{background:transparent;color:#456477;border:1px solid var(--line);padding:5px 9px;font-size:11px}.view.active{background:#dceaf3}.messages{height:auto;flex:1;min-height:250px;max-height:calc(100vh - 325px);border-radius:12px;gap:12px}.messages.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;overflow:auto}.messages.compare .bubble{max-width:100%;align-self:start}.messages.compare .bubble.Claudio{grid-column:1/-1;justify-self:end;max-width:75%}.bubble{max-width:85%;font-size:14px}.empty{margin:auto;text-align:center;color:#597081}.empty h2{font-size:24px;color:#20364a}.controls{margin:9px 0 5px}.controls button{font-size:12px;padding:7px 11px}.controls span{font-size:12px}#composer{padding:9px 12px;border-radius:14px}#composer label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.composerbox{display:flex;align-items:flex-end;gap:8px}.composerbox textarea{resize:none;min-height:45px;max-height:180px;overflow-y:auto;border:0;outline:0;padding:10px}.composerbox button{margin:0!important;padding:9px 13px}.note{margin:6px 0;font-size:10px}dialog{border:1px solid var(--line);border-radius:12px;box-shadow:0 15px 40px #0002;padding:22px;max-width:min(92vw,500px);width:100%}dialog::backdrop{background:#1a2c3c77}dialog select{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px}.dialogbuttons{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}#status{font-size:12px;margin:5px 0;min-height:18px}@media(max-width:760px){.shell{padding:8px}.workspace{display:flex;flex-direction:column;min-height:unset;gap:10px}.sidebar{max-height:240px;min-height:140px}.chat{min-height:65vh}.messages{min-height:280px;max-height:55vh}.messages.compare{display:flex;flex-direction:column}.messages.compare .bubble.Claudio{max-width:90%}.menu-toggle{opacity:1}.note{font-size:10px}}
/* Correctifs de structure et d'accessibilité de l'interface v5.1 */
[hidden]{display:none!important}
.sideactions{margin-bottom:8px}
#usage{flex-shrink:0}
.composerbox textarea{flex:1;min-width:0;font:inherit}
#aiState{color:#52697a;margin-left:10px}
.menu-toggle:focus-visible,.folder-name:focus-visible,.thread-name:focus-visible{outline:2px solid #186b91;opacity:1}
@media(hover:none){.menu-toggle{opacity:1}}