/* Neutral dark surfaces; blue action and selection accents are intentional. */
:root[data-theme=dark]{--canvas:#181a1a;--sidebar:#181a1a;--surface:#1c1e1e;--field:#242626;--modal:#222424;--text:#eeeeee;--muted:#b8b8b8;--border:rgba(150,150,150,.24);--user:#2c2e2e}
:root[data-theme=dark]{--menu-hover:#3b3d3d}
[data-theme=dark] .sidebar{background:#181a1a;border-color:var(--border)}
[data-theme=dark] .message-meta,[data-theme=dark] .voice-status{color:var(--muted)}
[data-theme=dark] .user-message .message-bubble{background:var(--user);border-color:var(--border);color:var(--text)}
[data-theme=dark] .message:not(.user-message):not(.service-message) .message-bubble{background:#242626;border-color:var(--border);color:var(--text)}
[data-theme=dark] .proposed-message .message-bubble{background:#303232;border-color:var(--border);color:var(--text)}
[data-theme=dark] .message-actions>.icon,[data-theme=dark] .composer-tools>.icon:not(.primary){background:#242626;color:#cecece;border-color:var(--border)}
[data-theme=dark] .attachment-tile{background:#242626;border-color:var(--border);color:var(--text)}
[data-theme=dark] .voice-toolbar>button{background:#242626;color:#cecece;border-color:var(--border)}
[data-theme=dark] .scroll-bottom{background:#242626;color:#cecece;border-color:var(--border)}
[data-theme=dark] .menu-dialog .menu-list>button:is(:hover,:focus-visible,[aria-expanded=true]){background:var(--menu-hover)}