:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --accent-color: #4895ef;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #4cc9f0;
    --warning-color: #f72585;
    --info-color: #7209b7;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    color: var(--dark-color);
}

/* 通用样式 */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: none;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

/* 标签样式 */
.tag {
    display: inline-block;
    padding: 0.25em 0.75em;
    border-radius: 50px;
    font-size: 0.85em;
    font-weight: 500;
    margin-right: 0.5em;
    margin-bottom: 0.5em;
    background-color: var(--light-color);
    color: var(--dark-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag:hover {
    transform: scale(1.05);
}

.tag-suggestion {
    background-color: var(--accent-color);
    color: white;
}

/* 媒体列表样式 */
.media-item {
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 8px;
    overflow: hidden;
}

.media-item:hover {
    transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.media-thumbnail {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.media-info {
    padding: 1rem;
}

/* 预览区域样式 */
#media-preview img, #media-preview video {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .media-thumbnail {
        height: 120px;
    }
    
    .sticky-top {
        position: static !important;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* 彩色标签 */
.tag-0 { background-color: #ff9e00; color: white; }
.tag-1 { background-color: #ff006e; color: white; }
.tag-2 { background-color: #8338ec; color: white; }
.tag-3 { background-color: #3a86ff; color: white; }
.tag-4 { background-color: #1b9aaa; color: white; }
.tag-5 { background-color: #06d6a0; color: white; }
.tag-6 { background-color: #ef476f; color: white; }
.tag-7 { background-color: #118ab2; color: white; }
.tag-8 { background-color: #073b4c; color: white; }
.tag-9 { background-color: #7209b7; color: white; }