:root {
    --primary-color: #0078d7;
    --secondary-color: #333;
    --background-color: #1e1e1e;
    --panel-color: #252526;
    --header-color: #2d2d30;
    --border-color: #3f3f46;
    --text-color: #e0e0e0;
    --highlight-color: #0074cc;
    --error-color: #ff4d4d;
    --success-color: #4caf50;
    --warning-color: #f9a825;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    overflow: hidden;
    height: 100vh;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Menu Bar */
.menu-bar {
    display: flex;
    background-color: var(--header-color);
    padding: 0 10px;
    height: 32px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.menu-item {
    padding: 0 15px;
    height: 100%;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 12px;
    position: relative;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-item.active {
    background-color: var(--primary-color);
}

/* Dropdown Menu Styles */
.menu-item .dropdown-menu {
    display: none; /* Hidden by default */
    position: absolute;
    top: 100%; /* Position below the menu item */
    left: 0;
    background-color: var(--header-color);
    border: 1px solid var(--border-color);
    border-top: none;
    min-width: 150px; /* Adjust as needed */
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.menu-item:hover .dropdown-menu,
.menu-item.show-dropdown .dropdown-menu {
    display: block; /* Show on hover or when class is added */
}

.dropdown-item {
    padding: 8px 15px;
    font-size: 12px;
    color: var(--text-color);
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: var(--primary-color);
}

.right-menu {
    margin-left: auto;
    display: flex;
    align-items: center;
}

.collaborate-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-right: 10px;
}

.singleplayer-btn {
    background-color: #333;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    margin-right: 10px;
}

.singleplayer-btn:hover {
    background-color: #555;
}

.user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    overflow: hidden;
}

.user-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Toolbar */
.toolbar {
    display: flex;
    background-color: var(--panel-color);
    padding: 5px;
    height: 76px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    overflow-x: auto;
}

.tool-group {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 100%;
    padding: 0 10px;
    border-right: 1px solid var(--border-color);
}

.tool-group:last-child {
    border-right: none;
}

.tool-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2px 10px;
    height: 50%;
    cursor: pointer;
    font-size: 10px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.tool-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.tool-button.active {
    background-color: var(--primary-color);
}

.tool-button i {
    font-size: 16px;
    margin-bottom: 4px;
}

.color-circle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: white;
    margin-bottom: 4px;
}

/* Content Area */
.content-area {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebars */
.sidebar {
    width: 250px;
    background-color: var(--panel-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border-color);
}

.sidebar.right-sidebar {
    border-left: 1px solid var(--border-color);
    border-right: none;
}

.toolbox-header, .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
    background-color: var(--header-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    height: 30px;
}

.actions, .panel-actions {
    display: flex;
}

.actions i, .panel-actions i {
    margin-left: 10px;
    cursor: pointer;
}

.search-bar, .filter-bar {
    display: flex;
    align-items: center;
    padding: 5px 10px;
    background-color: var(--panel-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
}

.search-bar input {
    flex: 1;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 3px 5px;
    margin: 0 5px;
    border-radius: 3px;
    font-size: 12px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: bold;
}

.see-all {
    color: var(--primary-color);
    cursor: pointer;
    font-weight: normal;
}

.category-grid, .trending-grid, .essential-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 5px;
    gap: 5px;
}

.category-item, .trending-item, .essential-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--background-color);
    border-radius: 4px;
    padding: 10px 5px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.category-item:hover, .trending-item:hover, .essential-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.category-item.active {
    background-color: var(--primary-color);
}

.category-item img, .trending-item img, .essential-item img {
    width: 40px;
    height: 40px;
    margin-bottom: 5px;
    object-fit: contain;
}

.category-item span, .trending-item span, .essential-item span {
    font-size: 10px;
    text-align: center;
}

.hd-logo {
    width: 40px;
    height: 40px;
    background-color: #222;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 5px;
}

/* 3D Viewport */
#viewport-container {
    flex: 1;
    position: relative;
    background-color: #87ceeb;
    overflow: hidden;
}

#game-canvas {
    width: 100%;
    height: 100%;
}

#fps-display, #player-counter, #coordinates-display {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px;
    border-radius: 3px;
    font-size: 12px;
}

#fps-display {
    top: 10px;
    right: 10px;
}

#player-counter {
    top: 10px;
    left: 10px;
}

#coordinates-display {
    bottom: 10px;
    left: 10px;
}

/* Explorer and Properties Panels */
.explorer-panel, .properties-panel {
    display: flex;
    flex-direction: column;
    height: 50%;
    border-bottom: 1px solid var(--border-color);
}

.explorer-tree, .properties-content {
    flex: 1;
    overflow-y: auto;
    padding: 5px;
    font-size: 12px;
}

.tree-item {
    padding: 2px 5px;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.tree-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.tree-item.indented {
    margin-left: 15px;
}

.tree-item i {
    margin-right: 5px;
    width: 12px;
}

.property-item {
    display: flex;
    justify-content: space-between;
    padding: 5px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.property-name {
    font-size: 12px;
    flex: 1;
}

.property-value {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 12px;
    width: 120px;
}

.vector-property {
    display: flex;
    gap: 5px;
}

.vector-component {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.vector-component span {
    font-size: 10px;
    margin-bottom: 2px;
}

.vector-component input {
    width: 40px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 2px;
    border-radius: 3px;
    font-size: 12px;
}

/* Output Console */
.output-console {
    height: 150px;
    background-color: var(--panel-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.console-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 10px;
    background-color: var(--header-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
}

.console-content {
    flex: 1;
    overflow-y: auto;
    padding: 5px;
    font-size: 12px;
    font-family: monospace;
}

.console-line {
    padding: 2px 0;
}

.console-line.error {
    color: var(--error-color);
}

.console-input {
    display: flex;
    align-items: center;
    padding: 5px;
    background-color: var(--background-color);
    border-top: 1px solid var(--border-color);
}

.input-prompt {
    margin-right: 5px;
    font-family: monospace;
}

.console-input input {
    flex: 1;
    background-color: transparent;
    border: none;
    color: var(--text-color);
    font-family: monospace;
    font-size: 12px;
}

.console-input input:focus {
    outline: none;
}

/* Dialogs */
.dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--panel-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    width: 400px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: none;
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--header-color);
    border-bottom: 1px solid var(--border-color);
}

.close-dialog {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

.dialog-content {
    padding: 15px;
}

.dialog-footer {
    padding: 10px 15px;
    text-align: right;
    border-top: 1px solid var(--border-color);
}

.dialog-footer button {
    padding: 5px 15px;
    margin-left: 10px;
    border-radius: 4px;
    cursor: pointer;
}

.cancel-btn {
    background-color: var(--panel-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.import-btn, .export-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.file-upload {
    border: 2px dashed var(--border-color);
    padding: 20px;
    text-align: center;
    margin-bottom: 15px;
    border-radius: 5px;
}

.file-upload input {
    display: none;
}

.file-upload label {
    cursor: pointer;
    color: var(--primary-color);
}

.import-options, .export-options {
    margin-top: 15px;
}

.export-options input[type="text"] {
    width: 100%;
    padding: 5px;
    margin: 5px 0 15px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 3px;
}

.export-options label {
    display: block;
    margin: 5px 0;
}

.user-list, .invite-section {
    margin-bottom: 15px;
}

.user-list h3, .invite-section h3 {
    margin-bottom: 10px;
    font-size: 14px;
}

.invite-input {
    display: flex;
    gap: 5px;
}

.invite-input input {
    flex: 1;
    padding: 5px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 3px;
}

.invite-input button {
    padding: 5px 10px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

/* Draggable elements */
.draggable {
    cursor: move;
}

.dragging {
    opacity: 0.7;
    position: absolute;
    z-index: 1000;
    pointer-events: none;
}

/* Override scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}