/* ===== JSON 格式化 / 压缩 / 校验 ===== */
/* 站点变量别名映射（自动跟随黑夜模式） */
: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);
}

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

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

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

.jf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.jf-toolbar-left,
.jf-toolbar-right {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.jf-indent {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.jf-select {
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
}

/* 状态条 */
.jf-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-all;
}

.jf-status.ok {
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.35);
    color: #16a34a;
}

.jf-status.err {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.35);
    color: #dc2626;
}

/* 输入输出 */
.jf-editors {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.jf-pane {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--input-bg);
    min-width: 0;
}

.jf-pane-head {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
}

.jf-textarea {
    width: 100%;
    height: 420px;
    padding: 14px;
    border: none;
    outline: none;
    resize: vertical;
    background: transparent;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 13.5px;
    line-height: 1.7;
    tab-size: 4;
}

.jf-output-wrap {
    height: 420px;
    overflow: auto;
    padding: 14px;
}

.jf-output {
    margin: 0;
    font-family: 'JetBrains Mono', Consolas, 'Courier New', monospace;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-all;
}

.jf-output-empty {
    color: var(--text-tertiary);
    font-family: inherit;
    font-size: 14px;
}

/* JSON 语法高亮 */
.jf-code { font-family: inherit; font-size: inherit; color: var(--text-primary); }
.jf-kw { color: #7c3aed; font-weight: 600; }        /* null / true / false */
.jf-str { color: #059669; }                          /* 字符串 */
.jf-num { color: #d97706; }                          /* 数字 */
.jf-key { color: #2563eb; }                          /* 对象键 */
.jf-punc { color: var(--text-tertiary); }            /* 括号逗号冒号 */

/* 统计条 */
.jf-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.jf-stats b {
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* 历史记录 */
.jf-history-card {
    padding: 18px 20px 20px;
}

.jf-block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 17px;
    margin: 0 0 12px;
}

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

.jf-history-empty {
    color: var(--text-tertiary);
    font-size: 14px;
}

.jf-history-list {
    list-style: none;
    margin: 0 0 12px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.jf-history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--input-bg);
    cursor: pointer;
    transition: border-color 0.15s;
}

.jf-history-item:hover {
    border-color: var(--accent-color);
}

.jf-history-item code {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 12.5px;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', Consolas, monospace;
}

.jf-history-item time {
    font-size: 12px;
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.jf-history-del {
    flex-shrink: 0;
    border: none;
    background: none;
    color: var(--text-tertiary);
    font-size: 15px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 6px;
    line-height: 1;
}

.jf-history-del:hover {
    color: #dc2626;
    background: rgba(239, 68, 68, 0.1);
}

/* 黑夜模式微调 */
[data-theme="dark"] .jf-kw { color: #c4b5fd; }
[data-theme="dark"] .jf-str { color: #34d399; }
[data-theme="dark"] .jf-num { color: #fbbf24; }
[data-theme="dark"] .jf-key { color: #93c5fd; }

/* 移动端 */
@media (max-width: 768px) {
    .jf-title { font-size: 21px; }
    .jf-editors { grid-template-columns: 1fr; }
    .jf-textarea, .jf-output-wrap { height: 320px; }
}