.category-card {
    transition: transform 0.2s ease-in-out;
    border-left: 4px solid transparent;
}
/* .category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
} */
.category-lifestyle { border-left-color: #e74c3c; }
.category-food { border-left-color: #f39c12; }
.category-entertainment { border-left-color: #9b59b6; }
.category-relationships { border-left-color: #3498db; }
.category-dreams { border-left-color: #1abc9c; }
.category-work { border-left-color: #2ecc71; }
.category-travel { border-left-color: #f1c40f; }
.category-health { border-left-color: #e67e22; }
.category-imagination { border-left-color: #95a5a6; }
.category-technology { border-left-color: #34495e; }

.topic-item {
    padding: 8px 12px;
    margin: 4px 0;
    background: #f8f9fa;
    border-radius: 6px;
    transition: background-color 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topic-item:hover {
    background: #e9ecef;
    cursor: pointer;
}
.topic-text {
    flex: 1;
}
.copy-btn {
    background: none;
    border: none;
    color: #6c757d;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
    margin-left: 8px;
}
.copy-btn:hover {
    background: #dee2e6;
    color: #495057;
}
.copy-btn.copied {
    color: #28a745;
}
.header-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}