.collapsible-panel {
    background-color: white;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin-bottom: 20px;
    overflow: hidden;
}

.collapsible-panel {
    position: relative;
}

.panel-header {
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f9f9f9;
}

.panel-title {
    font-weight: bold;
    margin: 0;
    padding: 0;
}

.panel-title.panel-collapsed {
    border-bottom: none;
}

.panel-toggle {
    background: none;
    border: none;
    width: 24px;
    height: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: transform 0.2s ease;
}

.panel-toggle:hover {
    color: #333;
}

.toggle-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    color: #0066cc;
}

.toggle-icon.collapsed {
    transform: rotate(-90deg); /* Points right when collapsed */
}

/* Drag handle styling */
.panel-drag-handle {
    width: 20px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: move;
    opacity: 0.5;
    transition: opacity 0.2s ease;
    margin: 0 10px;
}

.panel-drag-handle:hover {
    opacity: 1;
}

.panel-drag-handle:before {
    content: "⋮⋮";
    font-size: 14px;
    line-height: 1;
    transform: rotate(90deg);
}

.panel-content {
    padding: 15px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Dark theme support */
[data-theme='dark'] .collapsible-panel {
    background-color: #2a2a2a;
    border-color: #444;
}

[data-theme='dark'] .panel-header {
    background-color: #333;
}

[data-theme='dark'] .panel-toggle {
    color: #aaa;
}

[data-theme='dark'] .panel-toggle:hover {
    color: #ddd;
}