/* ===== 字数统计 ===== */
:root {
    --card-bg: var(--c-bg-card);
    --border-color: var(--c-border);
    --text-primary: var(--c-text);
    --text-secondary: var(--c-text-sub);
    --text-tertiary: var(--c-text-muted);
    --bg-hover: var(--c-bg-soft);
    --input-bg: var(--c-surface-soft);
    --accent-color: var(--c-primary);
    --card-shadow: var(--shadow-md);
}

.wc-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin: 16px 0 20px;
}

.wc-title {
    font-size: 26px;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.3px;
}

.wc-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: var(--card-shadow);
}

.wc-block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    margin: 0 0 14px;
}

.wc-tip-inline {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-tertiary);
}

.wc-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.wc-textarea {
    width: 100%;
    min-height: 240px;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.8;
    outline: none;
    resize: vertical;
    transition: border-color .2s, box-shadow .2s;
}

.wc-textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 18%, transparent);
}

.wc-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.wc-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 10px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-hover);
    text-align: center;
}

.wc-stat .num {
    font-size: 26px;
    font-weight: 800;
    font-family: 'JetBrains Mono', Consolas, monospace;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.wc-stat--accent .num {
    color: var(--accent-color);
}

.wc-stat .label {
    font-size: 12px;
    color: var(--text-tertiary);
}

.wc-words {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wc-words .wc-word {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.wc-words .wc-word b {
    color: var(--accent-color);
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-weight: 700;
}

.wc-empty {
    color: var(--text-tertiary);
    font-size: 13px;
}