/* 纯原生 CSS，无任何框架、无变量、无工具类 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 页面容器 */
.yaml-tool-container {
    width: 100%;
    max-width: 1024px;
    margin: 0 auto;
}

/* 标题区域 */
.yaml-tool-header {
    text-align: center;
    margin-bottom: 32px;
}

.yaml-tool-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: #333333;
    margin-bottom: 8px;
}

.yaml-tool-desc {
    font-size: 16px;
    color: #666666;
}

/* 卡片主体 */
.yaml-tool-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    padding: 24px;
    margin-bottom: 24px;
    width: 100%;
}

/* 双栏编辑区 */
.yaml-editor-container {
    display: flex;
    border: 1px solid #e5e7eb;
    border-radius: 0 0 6px 6px;
    overflow: hidden;
}

.yaml-editor-panel {
    flex: 1;
    min-width: 0;
    border-right: 1px solid #e5e7eb;
    position: relative;
}

.yaml-editor-panel:last-child {
    border-right: none;
}

.yaml-panel-header {
    padding: 6px 12px;
    background: #f3f4f6;
    border-bottom: 1px solid #e5e7eb;
    font-size: 12px;
    color: #6b7280;
}

.yaml-panel-body {
    height: 500px;
    overflow: auto;
}

.yaml-panel-body textarea {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 12px;
    border: none;
    resize: none;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre;
    overflow-wrap: normal;
    overflow-x: auto;
}

.yaml-panel-body textarea:focus {
    outline: none;
}

/* 复制按钮 */
.yaml-copy-btn {
    position: absolute;
    top: 1px;
    right: 1px;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    border: 1px solid #d1d5db;
    background: #fff;
    cursor: pointer;
    z-index: 10;
}

.yaml-copy-btn:hover {
    background: #f3f4f6;
}

/* 状态提示条 */
.yaml-status-bar {
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
}

.yaml-status-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.yaml-status-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}