/* ========================================
   XML 格式化工具样式
   ======================================== */

:root {
    --primary-color: #0ea5e9;
    --primary-hover: #38bdf8;
    --primary-light: rgba(14, 165, 233, 0.08);
    --primary-border: rgba(14, 165, 233, 0.3);
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0284c7 100%);
}

/* 主内容 */
.main-content {
    width: 100%;
    max-width: 1200px;
    height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    padding: 0 20px;
    padding-bottom: 50px;
    z-index: 10;
}
.container { width: 100%; height: 100%; }
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* 顶部工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.2);
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 10px;
}
.actions-left, .actions-right { display: flex; gap: 8px; align-items: center; }

.btn-action {
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
    white-space: nowrap;
}
.btn-action:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-action.btn-blue { background: rgba(59, 130, 246, 0.2); border-color: rgba(59, 130, 246, 0.3); color: #60a5fa; }
.btn-action.btn-blue:hover { background: rgba(59, 130, 246, 0.3); }
.btn-action.btn-green { background: var(--primary-light); border-color: var(--primary-border); color: var(--primary-color); }
.btn-action.btn-green:hover { background: rgba(14, 165, 233, 0.15); }
.btn-action.btn-gray { background: rgba(255,255,255,0.05); }

/* 上传标签按钮 */
.upload-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    transition: 0.2s;
    white-space: nowrap;
}
.upload-label:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
    border-color: var(--primary-color);
}
.upload-label input { display: none; }

/* 编辑器区域 */
.editor-container {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    position: relative;
}
.editor-panel:not(:last-child) { border-right: 1px solid var(--border-color); }

/* 拖放状态 */
.editor-container.drag-over {
    outline: 2px dashed var(--primary-color);
    outline-offset: -2px;
    background: var(--primary-light);
}

.panel-header {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    flex-shrink: 0;
}

textarea, pre {
    flex: 1;
    padding: 16px;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-mono, 'Consolas', 'Monaco', monospace);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    overflow: auto;
    tab-size: 4;
    -moz-tab-size: 4;
}
textarea { color: var(--text-primary); }
textarea::placeholder { color: var(--text-muted); }

/* 输出高亮样式 */
pre.xml-view {
    margin: 0;
    white-space: pre;
    word-wrap: normal;
    overflow-x: auto;
}

/* XML 语法高亮颜色 */
.xml-tag { color: #60a5fa; }          /* 标签名 - 蓝色 */
.xml-attr { color: #fbbf24; }         /* 属性名 - 琥珀色 */
.xml-attr-value { color: #4ade80; }   /* 属性值 - 绿色 */
.xml-comment { color: #6b7280; font-style: italic; }  /* 注释 - 灰色 */
.xml-cdata { color: #c084fc; }        /* CDATA - 紫色 */
.xml-pi { color: #f472b6; }           /* 处理指令 - 粉色 */

/* 错误提示 */
.error-display {
    padding: 10px 16px;
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border-top: 1px solid rgba(239, 68, 68, 0.2);
    font-size: 13px;
    font-family: var(--font-mono);
    display: none;
    flex-shrink: 0;
    max-height: 40%;
    overflow-y: auto;
    word-break: break-all;
}
.error-display.active { display: block; }

/* 文件信息提示条 */
.file-info {
    padding: 6px 16px;
    background: rgba(14, 165, 233, 0.08);
    color: var(--primary-color);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    border-top: 1px solid var(--primary-border);
}
.file-info.hidden { display: none; }

/* 响应式 */
@media (max-width: 768px) {
    .editor-container { flex-direction: column; }
    .editor-panel:not(:last-child) { border-right: none; border-bottom: 1px solid var(--border-color); }
    .editor-panel { height: 50%; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .actions-left, .actions-right { justify-content: space-between; }
    .main-content { height: calc(100vh - 100px); padding: 0 10px; padding-bottom: 60px; }
}