/* ==========================================================================
   文本处理类工具共用样式（文本去重整理 / 全角半角转换 / 敏感信息打码）
   依赖：home.css（--c-* 设计令牌）、tool-detail.css、tools/calc-common.css
   全部使用 --c-* 令牌，自动适配黑夜模式
   ========================================================================== */

.txt-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    align-items: start;
}

.txt-card {
    background: var(--c-bg-card, #fff);
    border: 1px solid var(--c-border);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.txt-block-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    font-size: 15px;
    font-weight: 800;
    color: var(--c-text);
    margin: 0 0 10px;
}

.txt-block-title + .txt-block-title { margin-top: 20px; }

.txt-count {
    font-size: 12px;
    font-weight: 600;
    color: var(--c-text-muted);
    white-space: nowrap;
}

.txt-textarea {
    width: 100%;
    min-height: 230px;
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-bg-card, #fff);
    color: var(--c-text);
    font-family: inherit;
    font-size: 14px;
    line-height: 1.7;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.txt-textarea:focus {
    border-color: var(--c-primary);
    box-shadow: 0 0 0 3px var(--c-primary-soft);
}
.txt-textarea[readonly] {
    background: var(--c-surface-soft, #f8fafc);
}
.txt-textarea--mono {
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 13px;
}
.txt-textarea--sm { min-height: 120px; }

.txt-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.txt-tools .btn { margin: 0; padding: 7px 14px; font-size: 13px; }

.txt-options {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-bottom: 14px;
}

.txt-check {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--c-text-sub);
    cursor: pointer;
}
.txt-check input[type="checkbox"],
.txt-check input[type="radio"] {
    flex: none;
    width: 15px;
    height: 15px;
    margin: 3px 0 0;
    accent-color: var(--c-primary);
    cursor: pointer;
}
.txt-check b { color: var(--c-text); }

.txt-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 16px;
}
.txt-actions .btn { flex: 1 1 150px; margin: 0; }

.txt-seg { display: flex; gap: 6px; flex-wrap: wrap; }
.txt-seg .calc-seg-btn { flex: 1 1 auto; }

.txt-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.txt-stat {
    padding: 10px 12px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface-soft, #f8fafc);
}
.txt-stat .k {
    display: block;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--c-text-muted);
    margin-bottom: 3px;
}
.txt-stat .v {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: var(--c-text);
    line-height: 1.25;
    word-break: break-all;
}
.txt-stat.is-hl {
    border-color: var(--c-primary);
    background: var(--c-primary-soft);
}
.txt-stat.is-hl .v { color: var(--c-primary); }

.txt-empty {
    padding: 44px 16px;
    text-align: center;
    color: var(--c-text-muted);
    font-size: 13.5px;
    line-height: 1.7;
}
.txt-empty .emoji { font-size: 34px; margin-bottom: 10px; }

.txt-tips {
    font-size: 12.5px;
    line-height: 1.85;
    color: var(--c-text-sub);
    margin: 0;
}
.txt-tips b { color: var(--c-text); }

.txt-result-list {
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
}
.txt-result-list li {
    display: flex;
    gap: 10px;
    align-items: baseline;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed var(--c-border);
    font-size: 13.5px;
}
.txt-result-list li:last-child { border-bottom: none; }
.txt-result-list .k {
    color: var(--c-text-sub);
    word-break: break-all;
}
.txt-result-list .v {
    flex: none;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-weight: 700;
    color: var(--c-text);
}

/* 命中标记 */
.txt-hit {
    padding: 1px 5px;
    border-radius: 5px;
    background: color-mix(in srgb, var(--c-accent-pink, #ff6b9d) 18%, transparent);
    color: var(--c-accent-pink, #ff6b9d);
    font-weight: 700;
}

/* ---------- 命名风格转换 ---------- */
.cs-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface-soft, #f8fafc);
    margin-bottom: 9px;
}
.cs-row .cs-name {
    flex: none;
    width: 112px;
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text-muted);
}
.cs-row .cs-val {
    flex: 1 1 auto;
    min-width: 0;
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.65;
    color: var(--c-text);
    word-break: break-all;
    white-space: pre-wrap;
}
.cs-row .cs-copy {
    flex: none;
    padding: 5px 11px;
    font-size: 12px;
    border-radius: 8px;
    border: 1px solid var(--c-border);
    background: var(--c-bg-card, #fff);
    color: var(--c-text-sub);
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.cs-row .cs-copy:hover { border-color: var(--c-primary); color: var(--c-primary); }

/* ---------- 正则表达式测试器 ---------- */
.rg-view {
    padding: 12px 14px;
    border: 1px solid var(--c-border);
    border-radius: 12px;
    background: var(--c-surface-soft, #f8fafc);
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-text);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 320px;
    overflow: auto;
}
.rg-view mark {
    padding: 1px 2px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--c-primary) 22%, transparent);
    box-shadow: inset 0 -2px 0 var(--c-primary);
    color: inherit;
}
.rg-view mark.rg-alt {
    background: color-mix(in srgb, var(--c-accent-pink, #ff6b9d) 24%, transparent);
    box-shadow: inset 0 -2px 0 var(--c-accent-pink, #ff6b9d);
}

.rg-flags {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}
.rg-flag {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    color: var(--c-text-sub);
    cursor: pointer;
}
.rg-flag input {
    width: 15px;
    height: 15px;
    accent-color: var(--c-primary);
    cursor: pointer;
}
.rg-flag b { color: var(--c-text); }

.rg-lib { display: flex; flex-wrap: wrap; gap: 7px; }
.rg-lib button {
    padding: 5px 11px;
    font-size: 12px;
    border-radius: 999px;
    border: 1px solid var(--c-border);
    background: var(--c-bg-card, #fff);
    color: var(--c-text-sub);
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s ease;
}
.rg-lib button:hover { border-color: var(--c-primary); color: var(--c-primary); }

.rg-error {
    padding: 10px 13px;
    border-radius: 10px;
    font-size: 12.5px;
    line-height: 1.6;
    background: color-mix(in srgb, #ef4444 12%, transparent);
    color: #ef4444;
    margin-bottom: 12px;
    word-break: break-all;
}

.rg-groups { margin: 0; padding: 0; list-style: none; }
.rg-groups li {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: baseline;
    padding: 7px 0;
    border-bottom: 1px dashed var(--c-border);
    font-size: 13px;
}
.rg-groups li:last-child { border-bottom: none; }
.rg-groups .k { flex: none; color: var(--c-text-muted); font-weight: 600; }
.rg-groups .v {
    font-family: 'JetBrains Mono', Consolas, monospace;
    color: var(--c-text);
    word-break: break-all;
    text-align: right;
}

@media (max-width: 900px) {
    .txt-layout { grid-template-columns: 1fr; }
    .txt-textarea { min-height: 180px; }
    .txt-actions .btn { flex: 1 1 100%; }
    .cs-row { flex-wrap: wrap; }
    .cs-row .cs-name { width: auto; }
}