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40px;position:static;transform:none}.sidebar-overlay,.right-sidebar-overlay,.sidebar-toggle{display:none}.right-sidebar{max-width:none;position:static}.cours-shell{flex-direction:row}.ribbon{border-bottom:none;border-right:1px solid var(--glass-border);width:48px;height:100%;box-shadow:inset -1px 0 0 var(--glass-highlight);flex-direction:column;gap:4px;padding:10px 8px}.ribbon-logo{margin-bottom:6px}.ribbon-mobile-only{display:none}.ribbon-spacer{flex:1;display:block}.shell-body{flex:1;min-width:0}}.ask-pane{flex-direction:column;flex:1;display:flex;overflow:hidden}.ask-history{flex-direction:column;flex:1;gap:18px;padding:14px;display:flex;overflow-y:auto}.ask-exchange{flex-direction:column;gap:8px;display:flex}.ask-question{color:var(--foreground);font-size:12.5px;font-weight:600}.ask-answer{color:var(--foreground);white-space:pre-wrap;font-size:12.5px;line-height:1.6}.ask-error{color:#f87171;font-size:12.5px}.ask-sources{flex-direction:column;gap:4px;display:flex}.ask-sources button{text-align:left;color:var(--muted-foreground);border:none;border-bottom:1px dashed var(--border);cursor:pointer;background:0 0;width:fit-content;padding:0;font-size:11px}.ask-sources button:hover{color:var(--foreground)}.ask-loading{color:var(--muted-foreground);font-size:13px}.ask-input-row{border-top:1px solid var(--border);flex-shrink:0;gap:8px;padding:12px;display:flex}.ask-input{background:var(--background);border:1px solid var(--border);min-width:0;color:var(--foreground);border-radius:7px;flex:1;padding:8px 10px;font-family:inherit;font-size:12.5px}.ask-input:focus{border-color:var(--ring);outline:none}.notfound-page{text-align:center;background:var(--background);flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;padding:32px;display:flex}.notfound-image{object-fit:cover;border:1px solid var(--border);border-radius:16px;width:220px;height:220px}.notfound-title{color:var(--foreground);letter-spacing:-.02em;font-size:48px;font-weight:700}.notfound-text{color:var(--muted-foreground);max-width:320px;font-size:14px}