/* ==========================================================================
   Zuoekai Workspace - 沉浸式无限画布工作台组件 (全新设计版 V2.1)
   --------------------------------------------------------------------------
   设计理念：沉浸式全屏视图、悬浮毛玻璃面板 (Glassmorphism)、无边界点阵背景、
   高内聚的组件化布局。脱离传统左右分栏，释放最大的画布操作空间。
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 基础沉浸式容器 (Immersive Container)
   -------------------------------------------------------------------------- */
.zuoekai-workspace {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 100vh; /* 撑满视口 */
    overflow: hidden;
    background-color: var(--zuoekai-bg-base);
    color: var(--zuoekai-text-main);
    font-family: var(--zuoekai-font-family, inherit);
}

/* --------------------------------------------------------------------------
   2. 无边界点阵背景层 (Dot Matrix Background)
   -------------------------------------------------------------------------- */
.zuoekai-workspace-canvas {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 1; /* 底层 */
    background-color: var(--zuoekai-bg-base);
    background-image: radial-gradient(var(--zuoekai-border-light) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    background-position: center center;
    transition: background-color 0.3s ease;
}

.zuoekai-workspace-canvas canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    outline: none;
    pointer-events: auto;
    touch-action: none;
}

/* --------------------------------------------------------------------------
   3. 统一毛玻璃悬浮效果混入 (Glassmorphism Mixin)
   -------------------------------------------------------------------------- */
.zuoekai-workspace-glass {
    background-color: var(--zuoekai-bg-panel);
    background: rgba(255, 255, 255, 0.75); /* Light mode fallback */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--zuoekai-radius-lg, 16px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

[data-zuoekai-mode="dark"] .zuoekai-workspace-glass {
    background: rgba(30, 30, 30, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* --------------------------------------------------------------------------
   4. 悬浮顶部状态栏 (Top Status Bar)
   -------------------------------------------------------------------------- */
.zuoekai-workspace-header {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 24px;
    height: 48px;
    border-radius: 24px;
}

.zuoekai-workspace-header__title {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
    color: var(--zuoekai-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.zuoekai-workspace-header__status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--zuoekai-color-success, #10b981);
    box-shadow: 0 0 8px var(--zuoekai-color-success, #10b981);
}

/* --------------------------------------------------------------------------
   5. 左侧悬浮节点库 (Floating Sidebar) & 搜索/分组组件
   -------------------------------------------------------------------------- */
.zuoekai-workspace-sidebar {
    position: absolute;
    top: 96px; left: 24px; bottom: 96px;
    width: 300px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.zuoekai-workspace-sidebar--hidden {
    transform: translateX(calc(-100% - 48px));
    opacity: 0;
    pointer-events: none;
}

.zuoekai-workspace-sidebar__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--zuoekai-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.zuoekai-workspace-sidebar__title {
    font-size: 13px;
    font-weight: 700;
    color: var(--zuoekai-text-secondary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 搜索框区 */
.zuoekai-workspace-search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--zuoekai-border-light);
}

.zuoekai-workspace-search__input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--zuoekai-border-light);
    border-radius: var(--zuoekai-radius-md);
    background-color: var(--zuoekai-bg-card);
    color: var(--zuoekai-text-main);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%239ca3af" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>');
    background-repeat: no-repeat;
    background-position: 12px center;
}

.zuoekai-workspace-search__input:focus {
    border-color: var(--zuoekai-color-primary);
    box-shadow: 0 0 0 2px rgba(var(--zuoekai-color-primary-rgb, 0,0,0), 0.1);
}

/* 节点分组标题 */
.zuoekai-workspace-group-title {
    padding: 16px 16px 8px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--zuoekai-text-muted);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.zuoekai-workspace-badge {
    background-color: var(--zuoekai-bg-hover);
    color: var(--zuoekai-text-secondary);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 12px;
    font-weight: 500;
}

.zuoekai-workspace-sidebar__content {
    flex: 1;
    overflow-y: auto;
    padding: 0 16px 16px 16px;
    scrollbar-width: none;
}
.zuoekai-workspace-sidebar__content::-webkit-scrollbar { display: none; }

/* 现代化的节点拖拽卡片 */
.zuoekai-workspace-node-item {
    padding: 12px 16px;
    margin-bottom: 8px;
    background-color: var(--zuoekai-bg-card);
    border: 1px solid var(--zuoekai-border-light);
    border-radius: var(--zuoekai-radius-md, 12px);
    cursor: grab;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.zuoekai-workspace-node-item:hover {
    border-color: var(--zuoekai-color-primary);
    box-shadow: 0 4px 12px rgba(var(--zuoekai-color-primary-rgb, 0,0,0), 0.15);
    transform: translateY(-2px) scale(1.02);
    background-color: var(--zuoekai-bg-hover);
}

.zuoekai-workspace-node-item__icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background-color: var(--zuoekai-bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--zuoekai-color-primary);
}

.zuoekai-workspace-node-item__text {
    font-size: 13px;
    font-weight: 500;
    color: var(--zuoekai-text-main);
    flex: 1;
}

/* --------------------------------------------------------------------------
   6. 右侧悬浮属性面板 (Floating Properties Panel) & 表单控件
   -------------------------------------------------------------------------- */
.zuoekai-workspace-panel {
    position: absolute;
    top: 96px; right: 24px; bottom: 96px;
    width: 360px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.zuoekai-workspace-panel--hidden {
    transform: translateX(calc(100% + 48px));
    opacity: 0;
    pointer-events: none;
}

.zuoekai-workspace-panel__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--zuoekai-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.zuoekai-workspace-panel__title {
    font-size: 16px; font-weight: 600; margin: 0;
}

/* 选项卡 (Tabs) */
.zuoekai-workspace-tabs {
    display: flex;
    border-bottom: 1px solid var(--zuoekai-border-light);
    padding: 0 16px;
}

.zuoekai-workspace-tab {
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--zuoekai-text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.zuoekai-workspace-tab.active {
    color: var(--zuoekai-color-primary);
    border-bottom-color: var(--zuoekai-color-primary);
}

.zuoekai-workspace-panel__content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* 表单组 */
.zuoekai-workspace-form-group {
    margin-bottom: 20px;
}

.zuoekai-workspace-form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--zuoekai-text-main);
    margin-bottom: 8px;
}

.zuoekai-workspace-form-help {
    display: block;
    font-size: 12px;
    color: var(--zuoekai-text-muted);
    margin-top: 6px;
}

/* 标准输入框 / 下拉框 */
.zuoekai-workspace-input,
.zuoekai-workspace-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--zuoekai-border-light);
    border-radius: var(--zuoekai-radius-md);
    background-color: var(--zuoekai-bg-card);
    color: var(--zuoekai-text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.zuoekai-workspace-input:focus,
.zuoekai-workspace-select:focus {
    border-color: var(--zuoekai-color-primary);
    box-shadow: 0 0 0 2px rgba(var(--zuoekai-color-primary-rgb, 0,0,0), 0.1);
}

/* 开关控件 (Switch) */
.zuoekai-workspace-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.zuoekai-workspace-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.zuoekai-workspace-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.zuoekai-workspace-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--zuoekai-border-light);
    transition: .4s;
    border-radius: 24px;
}

.zuoekai-workspace-slider:before {
    position: absolute;
    content: "";
    height: 18px; width: 18px;
    left: 3px; bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.zuoekai-workspace-switch input:checked + .zuoekai-workspace-slider {
    background-color: var(--zuoekai-color-primary);
}

.zuoekai-workspace-switch input:checked + .zuoekai-workspace-slider:before {
    transform: translateX(20px);
}

/* --------------------------------------------------------------------------
   7. 底部悬浮控制台 (Bottom Action Console)
   -------------------------------------------------------------------------- */
.zuoekai-workspace-console {
    position: absolute;
    bottom: 32px; left: 50%; transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 40px;
    pointer-events: none;
}

.zuoekai-workspace-console__divider {
    width: 1px; height: 24px;
    background-color: var(--zuoekai-border-light);
    margin: 0 6px;
}

.zuoekai-workspace-btn {
    width: 44px; height: 44px;
    border-radius: 50%; border: none;
    background: transparent;
    color: var(--zuoekai-text-main);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.2s ease;
}

.zuoekai-workspace-btn:hover {
    background-color: var(--zuoekai-bg-hover);
    color: var(--zuoekai-color-primary);
}

.zuoekai-workspace-btn--primary {
    width: auto;
    padding: 0 28px;
    border-radius: 22px;
    background-color: var(--zuoekai-color-primary);
    color: #fff;
    font-weight: 600;
    gap: 10px;
    height: 44px;
}

.zuoekai-workspace-btn--primary:hover {
    background-color: var(--zuoekai-color-primary);
    box-shadow: 0 6px 16px rgba(var(--zuoekai-color-primary-rgb, 0,0,0), 0.3);
    transform: translateY(-2px);
    color: #fff;
}

.zuoekai-workspace-engine-popover {
    min-width: 296px;
}

.zuoekai-workspace-engine-popover__title {
    margin-bottom: 12px;
    text-transform: none;
    letter-spacing: 0.04em;
}

.zuoekai-workspace-engine-popover__menu {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.zuoekai-workspace-engine-popover__item {
    width: 100%;
    min-height: 94px;
    padding: 12px 10px;
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid color-mix(in srgb, var(--zuoekai-color-brand-500) 24%, transparent);
    border-radius: 18px;
    background: linear-gradient(135deg, var(--zuoekai-color-brand-500), var(--zuoekai-color-theme-gradient-end, var(--zuoekai-color-brand-600)));
    color: var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    text-align: center;
    cursor: pointer;
    box-shadow: 0 12px 24px color-mix(in srgb, var(--zuoekai-color-brand-500) 22%, transparent);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease, filter 0.18s ease;
}

.zuoekai-workspace-engine-popover__item:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--zuoekai-color-brand-500) 30%, transparent);
    background: linear-gradient(135deg, color-mix(in srgb, var(--zuoekai-color-brand-500) 92%, white 8%), color-mix(in srgb, var(--zuoekai-color-theme-gradient-end, var(--zuoekai-color-brand-600)) 92%, white 8%));
    box-shadow: 0 16px 28px color-mix(in srgb, var(--zuoekai-color-brand-500) 24%, transparent);
    color: var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96));
    filter: saturate(1.04);
}

.zuoekai-workspace-engine-popover__item:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--zuoekai-color-primary) 18%, transparent);
    outline-offset: 2px;
}

.zuoekai-workspace-engine-popover__item:disabled,
.zuoekai-workspace-engine-popover__item.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
    background: color-mix(in srgb, var(--zuoekai-color-surface-panel, rgba(255, 255, 255, 0.92)) 94%, transparent);
    border-color: color-mix(in srgb, var(--zuoekai-color-border, rgba(15, 23, 42, 0.12)) 88%, transparent);
    color: var(--zuoekai-color-text-secondary, rgba(100, 116, 139, 0.9));
    filter: none;
}

.zuoekai-workspace-engine-popover__item-icon {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96)) 16%, transparent);
    color: var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96));
    border: 1px solid color-mix(in srgb, var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96)) 20%, transparent);
    box-shadow: inset 0 1px 0 color-mix(in srgb, var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96)) 18%, transparent);
    flex: none;
}

.zuoekai-workspace-engine-popover__glyph {
    width: 18px;
    height: 18px;
    display: block;
}

.zuoekai-workspace-engine-popover__item-body {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.zuoekai-workspace-engine-popover__item-label {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.15;
    color: inherit;
}

.zuoekai-workspace-engine-popover__item-meta {
    font-size: 11px;
    line-height: 1.1;
    color: color-mix(in srgb, var(--zuoekai-color-text-inverse, rgba(255, 255, 255, 0.96)) 74%, transparent);
}

.zuoekai-workspace-engine-popover__item:disabled .zuoekai-workspace-engine-popover__item-icon,
.zuoekai-workspace-engine-popover__item.is-disabled .zuoekai-workspace-engine-popover__item-icon {
    background: color-mix(in srgb, var(--zuoekai-color-surface-hover, rgba(148, 163, 184, 0.12)) 88%, transparent);
    color: var(--zuoekai-color-text-secondary, rgba(100, 116, 139, 0.9));
    border-color: color-mix(in srgb, var(--zuoekai-color-border, rgba(15, 23, 42, 0.12)) 88%, transparent);
    box-shadow: none;
}

.zuoekai-workspace-engine-popover__item:disabled .zuoekai-workspace-engine-popover__item-meta,
.zuoekai-workspace-engine-popover__item.is-disabled .zuoekai-workspace-engine-popover__item-meta {
    color: var(--zuoekai-color-text-muted, rgba(100, 116, 139, 0.7));
}

/* --------------------------------------------------------------------------
   8. 侧边栏呼出触发器 & 临时 Toast 提示
   -------------------------------------------------------------------------- */
.zuoekai-workspace-trigger {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    width: 28px; height: 72px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; z-index: 5;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--zuoekai-text-secondary);
}

.zuoekai-workspace-trigger:hover {
    color: var(--zuoekai-color-primary);
    width: 32px;
}

.zuoekai-workspace-trigger--left {
    left: 0; border-radius: 0 12px 12px 0; border-left: none;
}

.zuoekai-workspace-trigger--right {
    right: 0; border-radius: 12px 0 0 12px; border-right: none;
}

/* 简易全局 Toast 提示 */
.zuoekai-workspace-toast {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--zuoekai-bg-panel);
    color: var(--zuoekai-text-main);
    padding: 12px 24px;
    border-radius: var(--zuoekai-radius-lg);
    box-shadow: var(--zuoekai-shadow-lg);
    border: 1px solid var(--zuoekai-border-light);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    z-index: 100;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.zuoekai-workspace-toast.show {
    top: 32px; /* 滑落到顶部 header 下方 */
    opacity: 1;
}

/* --------------------------------------------------------------------------
   9. LiteGraph 深度 UI 覆盖 (极简现代风)
   -------------------------------------------------------------------------- */
.zuoekai-workspace .litegraph.litecontextmenu {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: blur(16px) !important; -webkit-backdrop-filter: blur(16px) !important;
    border: 1px solid rgba(255, 255, 255, 0.4) !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
    color: var(--zuoekai-text-main) !important;
    font-family: var(--zuoekai-font-family) !important;
    padding: 8px !important; overflow: hidden;
}

[data-zuoekai-mode="dark"] .zuoekai-workspace .litegraph.litecontextmenu {
    background: rgba(40, 40, 40, 0.85) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4) !important;
}

.zuoekai-workspace .litegraph.litecontextmenu .litemenu-entry {
    color: var(--zuoekai-text-main) !important;
    padding: 10px 16px !important; border-radius: 8px !important;
    transition: background-color 0.2s ease, padding-left 0.2s ease !important;
    font-size: 13px !important; font-weight: 500 !important;
}

.zuoekai-workspace .litegraph.litecontextmenu .litemenu-entry:hover,
.zuoekai-workspace .litegraph.litecontextmenu .litemenu-entry.selected {
    background-color: var(--zuoekai-bg-hover) !important;
    color: var(--zuoekai-color-primary) !important;
    padding-left: 20px !important;
}

.zuoekai-workspace .litegraph.litecontextmenu .litemenu-entry.separator {
    border-bottom: 1px solid var(--zuoekai-border-light) !important;
    margin: 8px 0 !important;
}

/* --------------------------------------------------------------------------
   10. 响应式布局 (Mobile / Tablet 适配)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .zuoekai-workspace-header { display: none; }

    .zuoekai-workspace-sidebar, .zuoekai-workspace-panel {
        top: auto; left: 0; right: 0; bottom: 0; width: 100%; height: 60vh;
        border-radius: 24px 24px 0 0; transform: translateY(100%);
        border: none; border-top: 1px solid var(--zuoekai-border-light);
    }
    
    .zuoekai-workspace-sidebar:not(.zuoekai-workspace-sidebar--hidden),
    .zuoekai-workspace-panel:not(.zuoekai-workspace-panel--hidden) {
        transform: translateY(0);
    }

    .zuoekai-workspace-console {
        bottom: 24px; width: 90%; justify-content: space-between; padding: 8px 12px;
    }

    .zuoekai-workspace-engine-popover {
        min-width: min(296px, calc(100vw - 56px));
    }

    .zuoekai-workspace-engine-popover__menu {
        gap: 8px;
    }

    .zuoekai-workspace-engine-popover__item {
        min-height: 86px;
        padding: 10px 8px;
        border-radius: 16px;
    }
}