/* ===================== 批量文本替换工具 ===================== */

.tr-topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.tr-title { font-size: 20px; font-weight: 800; margin: 0; }
.tr-download-btn { flex-shrink: 0; margin: 0; }

.tr-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.tr-card {
    background: var(--c-surface, #fff);
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 16px;
    padding: 22px;
}
.tr-block-title { font-size: 15px; font-weight: 800; color: var(--c-text, #0f172a); margin: 0 0 10px; }
.tr-rules-title { margin-top: 20px; display: flex; align-items: baseline; gap: 8px; }
.tr-rules-tip { font-size: 11px; color: var(--c-text-muted, #94a3b8); font-weight: 500; }

.tr-textarea {
    width: 100%;
    min-height: 180px;
    padding: 12px 14px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 10px;
    background: var(--c-surface, #fff);
    color: var(--c-text, #0f172a);
    font-size: 14px;
    line-height: 1.7;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.tr-textarea:focus { border-color: var(--c-primary, #0066ff); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-primary, #0066ff) 15%, transparent); }
.tr-textarea.tr-output { background: var(--c-surface-soft, #f8fafc); }

.tr-input-tools { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.tr-char-count { font-size: 12px; color: var(--c-text-muted, #94a3b8); margin-right: auto; }
.btn-sm { padding: 6px 12px; font-size: 12px; margin: 0; }

/* ---- 规则行 ---- */
.tr-rule {
    display: grid;
    grid-template-columns: 1fr 1fr 46px 46px 30px;
    gap: 8px;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    background: var(--c-surface-soft, #f8fafc);
    border: 1px dashed var(--c-border, #e2e8f0);
    border-radius: 12px;
    position: relative;
}
.tr-rule .tr-rule-idx {
    position: absolute;
    top: -8px; left: 10px;
    font-size: 10px;
    font-weight: 800;
    color: var(--c-text-muted, #94a3b8);
    background: var(--c-surface, #fff);
    padding: 0 6px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 99px;
}
.tr-rule input[type="text"] {
    padding: 8px 10px;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    background: var(--c-surface, #fff);
    color: var(--c-text, #0f172a);
    font-size: 13px;
    outline: none;
    width: 100%;
}
.tr-rule input[type="text"]:focus { border-color: var(--c-primary, #0066ff); }
.tr-rule .tr-check {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text-muted, #94a3b8);
    cursor: pointer;
    gap: 3px;
    flex-direction: column;
    line-height: 1.2;
    text-align: center;
}
.tr-rule .tr-check input { margin: 0; accent-color: var(--c-primary, #0066ff); }
.tr-rule .tr-del {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--c-text-muted, #94a3b8);
    transition: color .15s;
    padding: 4px;
}
.tr-rule .tr-del:hover { color: #ef4444; }

.tr-actions { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.tr-actions .btn { margin: 0; }

/* ---- 结果区 ---- */
.tr-result-meta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.tr-meta-item { font-size: 12px; color: var(--c-text-muted, #64748b); background: var(--c-surface-soft, #f8fafc); padding: 5px 12px; border-radius: 99px; }
.tr-meta-item b { color: var(--c-primary, #0066ff); font-size: 14px; }

.tr-help {
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 12px;
    line-height: 1.8;
    color: var(--c-text-sub, #334155);
    background: var(--c-surface-soft, #f8fafc);
    border: 1px dashed var(--c-border, #e2e8f0);
    border-radius: 10px;
}
.tr-help b { font-size: 13px; }
.tr-help p { margin: 4px 0 0; }
.tr-help code {
    background: var(--c-border, #e2e8f0);
    border-radius: 4px;
    padding: 1px 6px;
    font-size: 12px;
    font-family: Consolas, Monaco, monospace;
}

.tr-info { margin-top: 22px; }

[data-theme="dark"] .tr-help code { background: #243049; }

@media (max-width: 900px) {
    .tr-layout { grid-template-columns: 1fr; }
}