.container {
    max-width: 720px;
    margin: 0 auto;
}

.card {
    background: rgba(30, 30, 30, 0.95);
    border-radius: 15px;
    margin-top: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header {
    background: rgba(20, 20, 20, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: 15px 15px 0 0;
}

.card-header h2 {
    color: #fff;
    margin: 0;
    font-size: 1.5em;
}

.card-header h2 i {
    margin-right: 10px;
    color: #0096ff;
}

.card-body {
    padding: 20px;
    color: #fff;
}

.alert-info {
    background: rgba(0, 150, 255, 0.1);
    border: 1px solid rgba(0, 150, 255, 0.3);
    color: #fff;
}

.placeholder-content {
    margin-top: 20px;
}

.placeholder-content h3 {
    color: #0096ff;
    margin-bottom: 15px;
}

.placeholder-content ul {
    list-style-type: none;
    padding: 0;
}

.placeholder-content ul li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ccc;
}

.placeholder-content ul li:last-child {
    border-bottom: none;
}

.section-item {
    background: rgba(40, 40, 40, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin: 10px 0;
    padding: 15px;
    cursor: move;
    transition: background-color 0.3s ease;
}

.section-item:hover {
    background: rgba(60, 60, 60, 0.8);
}

.section-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.drag-handle {
    color: #666;
    cursor: move;
    padding: 5px;
}

.drag-handle:hover {
    color: #0096ff;
}

.section-name {
    flex-grow: 1;
    color: #fff;
    font-weight: 500;
}

.section-count {
    color: #999;
    font-size: 0.9em;
    margin-left: 10px;
    font-style: italic;
}

.section-controls {
    margin-left: auto;
}
