* { margin: 0; padding: 0; box-sizing: border-box; font-family: Arial, sans-serif; }
    body { background: #f5f7fa; color: #222; }
    .container { display: flex; height: 100vh; width: 100%; }
    .sidebar { width: 380px; background: #fff; border-right: 1px solid #ddd; overflow-y: auto; padding: 20px; z-index: 999; }
    .sidebar h1 { font-size: 22px; margin-bottom: 20px; color: #1f3b73; }
    .search-box { margin-bottom: 20px; }
    .search-box input { width: 100%; padding: 10px; margin-bottom: 10px; border: 1px solid #ccc; border-radius: 6px; font-size: 14px; outline: none; background-color: #fff; }
    .search-box input:focus { border-color: #1f3b73; }
    #dealerList { display: flex; flex-direction: column; gap: 12px; }
    .dealer-card { border: 1px solid #e4e4e4; border-radius: 8px; padding: 14px; transition: 0.2s; cursor: pointer; background: #fff; }
    .dealer-card:hover { border-color: #1f3b73; transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.08); }
    .dealer-name { font-weight: bold; font-size: 15px; margin-bottom: 8px; color: #1f3b73; }
    .dealer-info { font-size: 13px; line-height: 1.5; color: #555; }
    #map { flex: 1; height: 100%; }
    .popup-title { font-size: 15px; font-weight: bold; margin-bottom: 8px; color: #1f3b73; }
    .popup-content { font-size: 13px; line-height: 1.6; color: #222; }
    @media (max-width: 900px) { .container { flex-direction: column; } .sidebar { width: 100%; height: 45%; } #map { height: 55%; } }