/* 顶部服务器配置栏 */

#server-config-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: #020817;
    border-bottom: 1px solid #111827;
    padding: 8px 14px;
}

.server-config-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.server-config-title {
    font-size: 12px;
    color: #9ca3af;
}

.server-config-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.server-config-form input {
    flex: 1;
    min-width: 160px;
}

/* 主体布局：左源 + 拖拽条 + 右侧(规则+条目) */

#main-layout {
    display: flex;
    align-items: stretch;
    gap: 0;
    padding: 10px 10px 14px;
    height: calc(100vh - 72px);
    box-sizing: border-box;
    overflow: hidden;
}

/* Panel 通用 */

.panel {
    background-color: #020817;
    border-radius: 10px;
    border: 1px solid #111827;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

/* 左侧：源列表 */

.panel-left {
    flex: 0 0 260px;
    min-width: 180px;
    max-width: 480px;
}

#sources-panel .panel-body {
    padding: 4px 0 6px 0;
    overflow-y: auto;
}

/* 右侧：规则 + 条目 */

.panel-right {
    flex: 1 1 auto;
    min-width: 360px;
}

/* Panel 头/身 */

.panel-header {
    padding: 8px 10px 6px;
    border-bottom: 1px solid #111827;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.panel-header h2 {
    font-size: 13px;
}

.sub-title {
    font-size: 11px;
    color: #9ca3af;
}

/* Inline 规则区 */

.rule-inline-wrapper {
    padding: 8px 10px 4px;
    border-bottom: 1px solid #111827;
    font-size: 11px;
}

.rule-inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: flex-end;
}

.form-group-inline {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 180px;
    flex: 1;
}

.form-group-inline label {
    color: #9ca3af;
    font-size: 10px;
}

.rule-inline-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.switch-label {
    font-size: 10px;
    color: #9ca3af;
}

/* 条目区域 */

.panel-body.items-body {
    padding: 8px;
    display: flex;
    gap: 8px;
    flex: 1;
    min-height: 0;
}

.items-column {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.column-title {
    font-size: 11px;
    color: #9ca3af;
    margin-bottom: 4px;
}

.items-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
}

.items-toggle {
    display: flex;
    gap: 4px;
    align-items: center;
}

/* 拖拽分隔条：源 vs 右侧 */

.panel-resizer {
    width: 5px;
    cursor: col-resize;
    display: block;
    align-self: stretch;
    position: relative;
}

.panel-resizer::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 2px;
    width: 1px;
    background-color: #111827;
    opacity: 0.7;
    transition: all 0.15s ease;
}

.panel-resizer:hover::before,
.panel-resizer.resizing::before {
    background-color: #3b82f6;
    opacity: 1;
}

/* 窄屏：上下堆叠，禁用拖拽 */

@media (max-width: 960px) {
    #main-layout {
        display: block;
        height: auto;
    }

    .panel {
        margin-top: 8px;
        min-height: 180px;
    }

    .panel-left,
    .panel-right {
        flex: none;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
    }

    .panel-resizer {
        display: none;
    }

    .panel-body.items-body {
        flex-direction: column;
    }
}

.items-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}