/* --- Layout Container --- */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
    width: 250px;
    background: #2c3e50;
    color: white;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease-in-out;
}

.sidebar-header {
    padding: 1rem;
    font-size: 1.3rem;
    background: #1a252f;
    text-align: center;
}

.nav-item {
    padding: 1rem;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

    .nav-item:hover {
        background: #34495e;
    }

/* --- Main Content --- */
.main {
    flex: 1;
    background: #f5f5f5;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* --- Top Bar --- */
.topbar {
    height: 63px;
    background: #ffffff;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    padding: 0 1rem;
}
.topbar-noMenu {
    height: 63px;
    background: #1a252f;
    border-bottom: 1px solid #ddd;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    color: #fff; /* makes all text inside white */
}
.hamburger {
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
}

/* --- Content Area --- */
.content {
    padding: 1.5rem;
}

.card-body video {
    width: 100%;
    height: auto;
    display: block;
}

/* --- Mobile Behavior --- */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        height: 100%;
        transform: translateX(-250px);
        z-index: 10;
    }

        .sidebar.open {
            transform: translateX(0);
        }

    .hamburger {
        display: block;
    }
}