/* 与之前样式一致，增加分类标签样式 */
.emoji-card { /* 同上，省略重复样式，保持原有 */
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    cursor: pointer;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.06);
    background: #fff;
    padding: 12px 8px;
    text-align: center;
    user-select: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.emoji-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    border-color: rgba(13,110,253,0.2);
}
.emoji-card .emoji-char {
    font-size: 2.4rem;
    line-height: 1.2;
    display: block;
    margin-bottom: 4px;
}
.emoji-card .emoji-name {
    font-size: 0.7rem;
    color: #6c757d;
    word-break: break-all;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 2.6em;
}
.emoji-card .copy-badge {
    position: absolute;
    top: 4px;
    right: 6px;
    font-size: 0.6rem;
    opacity: 0;
    transition: opacity 0.2s;
    background: rgba(0,0,0,0.05);
    padding: 2px 6px;
    border-radius: 20px;
    color: #6c757d;
}
.emoji-card:hover .copy-badge {
    opacity: 1;
}
.emoji-card-wrapper {
    position: relative;
}
.search-box {
    border-radius: 30px;
    padding: 10px 20px;
    border: 1px solid #dee2e6;
    transition: all 0.25s;
    background: #fff;
    width: 100%;
    max-width: 400px;
}
.search-box:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13,110,253,0.15);
    outline: none;
}
.empty-state {
    padding: 50px 20px;
    text-align: center;
    color: #6c757d;
}
.empty-state .big-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
    display: block;
}
.toast-copy {
    background: #1e293b;
    color: #f8fafc;
    border-radius: 12px;
    padding: 12px 24px;
    font-size: 0.95rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}
.toast-copy .emoji-preview {
    font-size: 1.4rem;
    margin-right: 10px;
}
.count-badge {
    font-size: 0.8rem;
    background: #e9ecef;
    padding: 2px 12px;
    border-radius: 30px;
    color: #495057;
}
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
    padding: 4px 0 30px 0;
}
@media (min-width: 576px) {
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 12px; }
}
@media (min-width: 992px) {
    .emoji-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 14px; }
}
.emoji-card .emoji-char { font-size: 2.6rem; }
@media (min-width: 576px) { .emoji-card .emoji-char { font-size: 2.8rem; } }
.copy-flash {
    animation: flash-green 0.5s ease;
}
@keyframes flash-green {
    0%, 100% { background: #fff; }
    50% { background: #d1e7dd; }
}
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 0;
    font-size: 1.2rem;
    color: #6c757d;
}
.loading-spinner .spinner-border { margin-right: 12px; }

/* 分类标签样式 */
.category-tab {
    display: inline-block;
    padding: 5px 16px;
    margin: 3px 4px;
    border-radius: 30px;
    font-size: 0.85rem;
    border: 1px solid transparent;
    background: #f1f3f5;
    color: #495057;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.category-tab:hover {
    background: #e9ecef;
}
.category-tab.active {
    background: #0d6efd;
    color: #fff;
    border-color: #0d6efd;
}
.category-tab .badge {
    font-size: 0.65rem;
    margin-left: 4px;
    background: rgba(255,255,255,0.25);
    color: inherit;
}
.category-tab.active .badge {
    background: rgba(255,255,255,0.25);
    color: #fff;
}
.scrollable-tabs {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 4px;
    padding: 2px 0 10px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}
.scrollable-tabs::-webkit-scrollbar {
    height: 3px;
}
.scrollable-tabs::-webkit-scrollbar-thumb {
    background: #ced4da;
    border-radius: 10px;
}
.scrollable-tabs::-webkit-scrollbar-track {
    background: transparent;
}
.sticky-tabs {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    padding: 10px 0 6px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    margin-bottom: 16px;
}