/* ── 符号页公共样式 ── */

/* 分类标签 */
.sym-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.sym-tab {
    padding: 0.45rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    background: #fff;
    color: #666;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
}

.sym-tab:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.sym-tab.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

/* 符号网格 */
.sym-grid {
    display: block;
}

.sym-category {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 0.6rem;
}

.sym-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.8rem 0.4rem;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    background: #fafafa;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
}

.sym-card:hover {
    border-color: #2563eb;
    background: #eff6ff;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.sym-card:active {
    transform: translateY(0);
}

.sym-char {
    font-size: 1.6rem;
    line-height: 1.3;
    color: #333;
    margin-bottom: 0.3rem;
}

.sym-name {
    font-size: 0.72rem;
    color: #999;
    text-align: center;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* Toast 提示 */
.sym-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.25s, transform 0.25s;
    z-index: 1000;
}

.sym-toast.show {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* ── Mobile ── */
@media (max-width: 640px) {
    .sym-category {
        grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
        gap: 0.4rem;
    }
    .sym-card {
        padding: 0.6rem 0.3rem;
    }
    .sym-char {
        font-size: 1.3rem;
    }
    .sym-name {
        font-size: 0.65rem;
    }
}