:root[data-theme="light"]{color:#18222d;background:#f3f6f8;--line:#d8e0e5;--muted:#66737d;--accent:#198f70}.sidebar,.composer{background:#f8fafb}.auth-card,.modal{background:#fff}.topbar{background:#fbfcfd}.bubble{background:#eef2f4}.mine .bubble{background:#d8f1e8;border-color:#abd9ca}.field input,.composer input,.modal input,.modal textarea{background:#fff;color:#18222d}.room{color:#18222d}.room.selected{background:#dff4ed}.online{color:#198f70}.profile-options{display:grid;gap:10px;border:1px solid var(--line);padding:10px;border-radius:8px;font-size:13px}.profile-options label{display:flex;gap:8px;align-items:center}.profile-options button{background:#1a2430;color:#fff;padding:9px;border-radius:7px}.message-actions{display:flex;gap:12px;align-items:center}.delete-btn{background:none;color:#d78787;font-size:11px;padding:5px 0}.danger{background:#a94242!important;color:#fff!important}