html,
body {
    height: 100%;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #f3f4f6;
}

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background: #1f2937;
    color: white;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-title {
    padding: 24px;
    font-size: 26px;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid #374151;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    padding-top: 12px;
}

.sidebar-nav a {
    color: white;
    text-decoration: none;
    padding: 15px 24px;
    font-size: 17px;
}

.sidebar-nav a:hover {
    background: #2563eb;
}

.main-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: white;
    border-bottom: 1px solid #d1d5db;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.location-name {
    margin-left: 14px;
    color: #6b7280;
}

.topbar-search {
    width: 360px;
    max-width: 45%;
}

.content-area {
    flex: 1;
    padding: 28px;
    overflow: auto;
}

.page-card {
    background: white;
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
}

@media (max-width: 800px) {
    .app-layout {
        display: block;
    }

    .sidebar {
        width: 100%;
    }

    .sidebar-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar {
        display: block;
    }

    .topbar-search {
        width: 100%;
        max-width: none;
        margin-top: 12px;
    }

    .content-area {
        padding: 16px;
    }
}