/* ── 字数统计 专题页样式 ── */

.zs-input {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    line-height: 1.7;
    resize: vertical;
    background: #fafafa;
    color: #333;
    transition: border-color 0.2s, box-shadow 0.2s;
    margin-bottom: 1rem;
}

.zs-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
    background: white;
}

/* ── 统计结果 ── */
.zs-stats {
    margin-top: 1.5rem;
}

.zs-stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.zs-stat-main {
    background: #eef2ff;
    border: 1px solid #c7d2fe;
}

.zs-stat-main .zs-stat-num {
    font-size: 2rem;
    color: #2563eb;
}

.zs-stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}

.zs-stat-card {
    background: #f8f9fb;
    border: 1px solid #e8eaf0;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.zs-stat-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    font-family: 'Fira Code', monospace;
}

.zs-stat-label {
    font-size: 0.8rem;
    color: #888;
    margin-top: 0.3rem;
}

/* ── Mobile ── */
@media (max-width: 640px) {
    .zs-stat-row {
        grid-template-columns: 1fr;
    }

    .zs-stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zs-stat-main .zs-stat-num {
        font-size: 1.5rem;
    }
}