.logo:before{margin-right:10px;font-family:"Font Awesome 5 Free";font-weight:900;content:"\f0ad"}#footer{margin-top:40px}#footer .upper{background:#fdfdfd;border-top:2px solid #eee;padding:40px 0}.footer-columns{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}.f-col{flex:1;min-width:200px}.f-col h3{font-size:16px;text-transform:uppercase;margin-bottom:20px;color:#333;font-weight:bold}.f-links{list-style:none;padding:0;margin:0}.f-links li{margin-bottom:8px}.f-links li a{color:#666 !important;text-decoration:none;transition:color 0.2s}.f-links li a:hover{color:#0072BC !important;text-decoration:underline}.theme-switch-container{margin-top:15px;display:flex;gap:5px}.t-btn{padding:5px 12px;border:1px solid #ddd;background:#fff;cursor:pointer;font-size:12px;border-radius:4px}.t-btn.dark{background:#333;color:#fff;border-color:#333}.t-btn:hover{opacity:0.8}#footer .lower{background:#f5f5f5;padding:15px 0;font-size:12px;border-top:1px solid #eee}.footer-bottom{display:flex;justify-content:space-between;align-items:center;color:#888}body.dark-mode #footer .upper{background:#1a1a1a !important;border-color:#333 !important}body.dark-mode .f-col h3{color:#fff !important}body.dark-mode .f-links li a{color:#aaa !important}body.dark-mode #footer .lower{background:#121212 !important;border-color:#222 !important}