:root {
    /* CSS Variable Definitions */
    /* Filename Display Variables */
    --filename-top: 20px;          /* Distance from top */
    --filename-left: 20px;         /* Distance from left */
    --filename-padding: 8px 15px;  /* Padding */
    --filename-font-size: 24px;    /* Font size */
    --filename-bg-color: rgba(42, 42, 42, 0.9);  /* Background color */
    --filename-text-color: #c1c1c1;              /* Text color */
    --filename-border-radius: 8px;               /* Border radius */
    --filename-font-weight: 600;                 /* Font weight */

    /* Sidebar Variables */
    --sidebar-width: 320px;        /* Sidebar width */
    --sidebar-height: 60vh;        /* Sidebar height, 60% of viewport height */
    --sidebar-left: 20px;          /* Distance from left */
    --sidebar-bottom: 20px;        /* Distance from bottom */
    --sidebar-border-radius: 12px; /* Border radius */
}

/* Base Page Styles */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;  /* Prevent page scrolling */
}

body {
    background: #1a1a1a;  /* Dark background */
    font-family: Arial, sans-serif;  /* Font settings */
}

/* Upload Container Styles */
#upload-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;          /* 容器宽度 - 当前是全屏宽度 */
    height: 100vh;         /* 容器高度 - 当前是全屏高度 */
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    transition: opacity 0.35s ease;
}

/* Upload Container Hidden State */
#upload-container.hidden {
    opacity: 0;
    pointer-events: none;  /* Disable mouse events */
}

/* Drop Zone Styles */
.drop-zone {
    width: 90%;           /* 增加宽度占比 */
    max-width: 1200px;     /* 增加最大宽度 */
    height: 420px;        /* 增加高度 */
    border: 3px dashed #666;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1000;
}

/* Drop Zone Content Container */
.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;  /* Increase spacing between icon and text */
    transform: translateY(-20px);  /* Move up slightly */
}

/* Icon Styles */
.drop-zone-icon {
    width: 140px;         /* 图标宽度 */
    height: 140px;        /* 图标高度 */
    object-fit: contain;
    margin-bottom: 0;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));  /* Add shadow effect */
}

/* Drop Zone Hover and Drag Over States */
.drop-zone:hover,
.drop-zone.drag-over {
    border-color: #3a40f6;  /* Green border */
    background: rgba(44, 56, 229, 0.2);  /* Light green background */
    transform: scale(1.06);  /* Light zoom effect */
}

/* Drop Zone Text Styles */
.drop-zone-text {
    color: #fff;
    font-size: 1.6em;     /* 文字大小 */
    text-align: center;
    pointer-events: none;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);  /* Add text shadow */
}

/* Drop Zone Subtext Styles */
.drop-zone-text span {
    font-size: 0.8em;
    color: #888;
    display: block;
    margin-top: 10px;
}

/* File Input Styles */
.file-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;  /* Hide actual file input */
    cursor: pointer;
    z-index: 1001;
}

/* Canvas Styles */
canvas {
    width: 100vw;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    outline: none !important;
    border: none !important;
    -webkit-tap-highlight-color: transparent;
    box-shadow: none !important;
}

/* Widget Value Styles */
.widget-value {
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
    width: 160px !important;
    display: block !important;
    background-color: #000000 !important;
    border: 1px solid #2b2b2b !important;
    color: #fff !important;
    padding: 2px 5px !important;
    border-radius: 2px !important;
}

/* Widget Value Hover and Focus States */
.widget-value:hover {
    background-color: #1b1b1b !important;
}

.widget-value:focus {
    background-color: #555 !important;
    outline: none !important;
    border-color: #888 !important;
}

/* Filename Display Styles */
.filename-display {
    position: fixed;
    top: var(--filename-top);
    left: var(--filename-left);
    background-color: var(--filename-bg-color);
    color: var(--filename-text-color);
    padding: var(--filename-padding);
    border-radius: var(--filename-border-radius);
    font-size: var(--filename-font-size);
    font-weight: var(--filename-font-weight);
    z-index: 1000;
    display: none;
}

/* LiteGraph Style Overrides */
.litegraph {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Note Node Styles */
.litegraph .node.Note {
    background-color: #2A273F !important;
    border: 1px solid #2A273F !important;
    border-radius: 8px !important;
}

/* Note Node Widget Styles */
.litegraph .node.Note .widget {
    background: none !important;
    border: none !important;
    color: #fff !important;
}

/* Note Node Text Area Styles */
.litegraph .node.Note .widget textarea {
    background: none !important;
    border: none !important;
    color: #fff !important;
    font-family: monospace !important;
    resize: none !important;
    padding: 10px !important;
}

/* Note Node Title Styles */
.litegraph .node.Note .title {
    color: #999 !important;
    background-color: transparent !important;
    border-bottom: 1px solid #666 !important;
    padding: 8px !important;
}

/* Note Text Box Styles */
.note-text-box {
    background-color: #2A273F !important;
    border: 1px solid #666 !important;
    border-radius: 4px !important;
    padding: 10px !important;
    margin: 5px !important;
    color: #fff !important;
    font-family: monospace !important;
    font-size: 14px !important;
    line-height: 1.4 !important;
    overflow-y: auto !important;
    white-space: pre-wrap !important;
}

/* Hide Note Node Title and Decorations */
.litegraph .node.Note .title,
.litegraph .node.Note .widget .name {
    display: none !important;
}

/* Note Widget Container Styles */
.litegraph .node.Note .widget {
    margin: 0 !important;
    background: none !important;
    border: none !important;
    width: 100% !important;
}

/* Main Container Layout */
.container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    height: var(--sidebar-height);
    background-color: #0b0b0bdd;
    border-radius: var(--sidebar-border-radius);
    display: flex;
    flex-direction: column;
    z-index: 1001;
    position: absolute;
    bottom: var(--sidebar-bottom);
    left: var(--sidebar-left);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 0px solid #333;
    transition: transform 0.3s ease;
}

/* Sidebar Header Styles */
.sidebar-header {
    padding: 10px 20px;
    font-size: 22px;
    font-weight: bold;
    border-bottom: 0px solid #333;
    color: #c1c1c1;
    border-radius: 12px 12px 0 0;
}

/* File List Styles */
.file-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
    margin: 5px;
}

/* File List Scrollbar Styles */
.file-list::-webkit-scrollbar {
    width: 6px;
}

.file-list::-webkit-scrollbar-track {
    background: transparent;
}

.file-list::-webkit-scrollbar-thumb {
    background: #2f35ea2a;
    border-radius: 3px;
}

/* File List Item Styles */
.file-list-item {
    padding: 8px 12px;
    height: 36px;
    box-sizing: border-box;
    cursor: pointer;
    border-radius: 6px;
    margin-bottom: 6px;
    color: #c1c1c1;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Filename Container Styles */
.file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    position: absolute;
    left: 12px;
    right: 36px;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
}

/* File List Item Hover Effect */
.file-list-item:hover {
    background-color: #2d2d2d;
    transform: translateX(2px);
}

/* File List Item Active State */
.file-list-item.active {
    background-color: #4f54fb;
    border-left: 0px solid #2f35ea;
}

/* Main Content Area Styles */
.main-content {
    flex: 1;
    position: relative;
    margin-left: 320px;  /* Sidebar width + spacing */
}

/* Delete Button Styles */
.delete-btn {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    background-color: #ea2f86;
    border: none;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: all 0.2s ease;
    opacity: 0;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

/* Show Delete Button on File List Item Hover */
.file-list-item:hover .delete-btn {
    opacity: 1;
}

/* Delete Button Hover Effect */
.delete-btn:hover {
    background-color: #ea2f86;
    color: #fff;
}

/* Collapse Button Styles */
.sidebar-collapse-btn {
    position: absolute;
    right: -50px;
    top: 0px;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: #59595993;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

/* Sidebar Collapsed State */
.sidebar.collapsed {
    transform: translateX(calc(-100% - 20px));
}

/* Collapse Button Collapsed State */
.sidebar.collapsed .sidebar-collapse-btn {
    transform: rotate(180deg);
}

.github-star {
    position: absolute;
    top: var(--filename-top);
    right: 12px;
    z-index: 1000;
    transform: scale(1.2);
}

/* 在文件末尾添加节点标签样式 */
.litegraph .node .node-tag {
    position: absolute;
    top: 10px;
    right: 5px;
    background: #1a1a1a;
    color: #888;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1;
}

/* File List Item Styles */
.file-list-item, .file-name {
    padding: 8px 12px;
    transition: all 0.2s ease;
}