details {
    border: 1px solid #e8d4f0;
    border-radius: 8px;
    padding: 8px 12px;
    margin: 6px 0;
    background: linear-gradient(135deg, #fdf6ff 0%, #f8f0ff 100%);
}

details summary {
    cursor: pointer;
    font-weight: bold;
    color: #7b4f9e;
    padding: 4px 0;
    font-size: 0.95em;
}

details summary:hover {
    color: #a06cd5;
}

details[open] summary {
    border-bottom: 1px dashed #e0c8f0;
    margin-bottom: 6px;
    padding-bottom: 6px;
}

details p, details li {
    font-size: 0.9em;
    line-height: 1.6;
    color: #4a3560;
}

.sakura-header {
    background: linear-gradient(90deg, #ffb7c5 0%, #ffd4e0 50%, #ffe8f0 100%);
    border-radius: 12px;
    padding: 10px 14px;
    margin: 8px 0;
    text-align: center;
    font-size: 0.9em;
    color: #8b4060;
    position: relative;
    overflow: hidden;
}

.sakura-header::before {
    content: "🌸";
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1em;
    opacity: 0.7;
}

.sakura-header::after {
    content: "🌸";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1em;
    opacity: 0.7;
}

.action-box {
    background: #f0f7ff;
    border-left: 3px solid #7baaf7;
    border-radius: 0 8px 8px 0;
    padding: 10px 14px;
    margin: 10px 0;
    font-size: 0.9em;
    color: #3d5a80;
}

.action-box::before {
    content: "🎯 ";
}