/* Windows XP 模拟器样式 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Tahoma', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
    overflow: hidden;
    height: 100vh;
    user-select: none;
}

/* 桌面 */
.desktop {
    width: 100vw;
    height: calc(100vh - 30px);
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><pattern id="grass" patternUnits="userSpaceOnUse" width="100" height="100"><rect width="100" height="100" fill="%2300a651"/><circle cx="20" cy="20" r="2" fill="%23008a44"/><circle cx="80" cy="40" r="1.5" fill="%23008a44"/><circle cx="60" cy="80" r="1" fill="%23008a44"/></pattern></defs><rect width="1920" height="1080" fill="url(%23grass)"/></svg>') center/cover;
    position: relative;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    overflow-y: auto;
}

/* 桌面图标 */
.desktop-icon {
    width: 80px;
    height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    transition: all 0.2s ease;
    border-radius: 3px;
    padding: 5px;
    flex-shrink: 0;
    margin-bottom: 5px;
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.desktop-icon.selected {
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.desktop-icon i {
    font-size: 32px;
    margin-bottom: 5px;
}

.desktop-icon span {
    font-size: 12px;
    text-align: center;
    line-height: 1.2;
    word-wrap: break-word;
    max-width: 70px;
}

/* 任务栏 */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to bottom, #245edc 0%, #1e4bb8 50%, #1a3f9e 100%);
    border-top: 1px solid #4a6fd8;
    display: flex;
    align-items: center;
    z-index: 1000;
}

/* 开始按钮 */
.start-button {
    width: 80px;
    height: 28px;
    background: linear-gradient(to bottom, #4a6fd8 0%, #3a5fc8 50%, #2a4fb8 100%);
    border: 1px solid #6a8ff8;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    font-weight: bold;
    margin-left: 2px;
    transition: all 0.2s ease;
}

.start-button:hover {
    background: linear-gradient(to bottom, #5a7fe8 0%, #4a6fd8 50%, #3a5fc8 100%);
}

.start-button i {
    margin-right: 5px;
}

/* 快速启动栏 */
.quick-launch {
    display: flex;
    align-items: center;
    margin-left: 10px;
}

.quick-launch-item {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    margin-right: 2px;
    transition: all 0.2s ease;
}

.quick-launch-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 任务栏窗口 */
.taskbar-windows {
    flex: 1;
    display: flex;
    align-items: center;
    margin-left: 10px;
}

.taskbar-window {
    height: 24px;
    background: linear-gradient(to bottom, #4a6fd8 0%, #3a5fc8 50%, #2a4fb8 100%);
    border: 1px solid #6a8ff8;
    border-radius: 2px;
    display: flex;
    align-items: center;
    padding: 0 8px;
    cursor: pointer;
    color: white;
    font-size: 11px;
    margin-right: 2px;
    transition: all 0.2s ease;
}

.taskbar-window:hover {
    background: linear-gradient(to bottom, #5a7fe8 0%, #4a6fd8 50%, #3a5fc8 100%);
}

.taskbar-window.active {
    background: linear-gradient(to bottom, #6a8ff8 0%, #5a7fe8 50%, #4a6fd8 100%);
}

/* 系统托盘 */
.system-tray {
    display: flex;
    align-items: center;
    margin-right: 5px;
}

.tray-item {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    margin-left: 2px;
}

.tray-item.time {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    padding: 0 4px;
    font-size: 11px;
}

/* 开始菜单 */
.start-menu {
    position: fixed;
    bottom: 30px;
    left: 2px;
    width: 300px;
    background: linear-gradient(to bottom, #4a6fd8 0%, #3a5fc8 50%, #2a4fb8 100%);
    border: 2px solid #6a8ff8;
    border-radius: 5px;
    color: white;
    z-index: 1001;
    display: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.start-menu.show {
    display: block;
}

.start-menu-header {
    padding: 10px;
    border-bottom: 1px solid #6a8ff8;
}

.user-info {
    display: flex;
    align-items: center;
    font-weight: bold;
}

.user-info i {
    margin-right: 10px;
    font-size: 18px;
}

.start-menu-items {
    padding: 5px 0;
}

.menu-item {
    padding: 8px 15px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

.menu-item i {
    margin-right: 10px;
    width: 16px;
    text-align: center;
}

.start-menu-footer {
    border-top: 1px solid #6a8ff8;
    padding: 5px 0;
}

/* 所有程序子菜单 */
.all-programs-menu {
    position: fixed;
    bottom: 30px;
    left: 302px;
    width: 250px;
    background: linear-gradient(to bottom, #4a6fd8 0%, #3a5fc8 50%, #2a4fb8 100%);
    border: 2px solid #6a8ff8;
    border-radius: 5px;
    color: white;
    z-index: 1002;
    display: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.all-programs-menu.show {
    display: block;
}

.submenu-header {
    padding: 10px;
    border-bottom: 1px solid #6a8ff8;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.submenu-header i {
    margin-right: 10px;
}

.submenu-items {
    padding: 5px 0;
}

.submenu-item {
    padding: 8px 15px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submenu-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

.submenu-item i {
    margin-right: 10px;
    width: 16px;
    text-align: center;
}

/* 窗口容器 */
.window-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 500;
}

/* 窗口样式 */
.window {
    position: absolute;
    background: #ece9d8;
    border: 2px solid #245edc;
    border-radius: 5px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    min-width: 300px;
    min-height: 200px;
    pointer-events: all;
    display: flex;
    flex-direction: column;
}

.window-header {
    background: linear-gradient(to bottom, #245edc 0%, #1e4bb8 50%, #1a3f9e 100%);
    color: white;
    padding: 5px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: move;
    border-radius: 3px 3px 0 0;
}

.window-title {
    font-weight: bold;
    font-size: 12px;
}

.window-controls {
    display: flex;
    gap: 2px;
}

.window-control {
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 10px;
    transition: all 0.2s ease;
}

.window-control:hover {
    background: rgba(255, 255, 255, 0.3);
}

.window-control.close:hover {
    background: #ff4444;
}

.window-content {
    flex: 1;
    padding: 10px;
    overflow: auto;
}

/* 窗口最大化样式 */
.window.maximized {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 30px !important;
    width: 100vw !important;
    height: calc(100vh - 30px) !important;
    border-radius: 0 !important;
    z-index: 1000;
}

.window.maximized .window-content {
    height: calc(100% - 30px) !important;
    overflow: hidden;
}

/* 聊天室窗口最大化时的特殊处理 */
.chat-window.maximized .window-content {
    display: flex !important;
    flex-direction: column !important;
    height: calc(100% - 30px) !important;
    overflow: hidden;
}

.chat-window.maximized #chatArea {
    flex: 1 !important;
    min-height: 0 !important;
    display: flex !important;
    flex-direction: column !important;
}

.chat-window.maximized #messageArea {
    flex: 1 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
}

.chat-window.maximized #userList {
    flex: 1 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
}

/* 聊天室窗口最大化时，未登录只显示登录区域，且居中 */
.chat-window.maximized .window-content {
    display: flex !important;
    flex-direction: column !important;
    height: calc(100% - 30px) !important;
    overflow: hidden;
    padding: 0 !important;
}
.chat-window.maximized #authArea {
    flex: 1 1 0%;
    display: flex !important;
    justify-content: center;
    align-items: center;
    height: 100%;
    min-height: 0;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
}
.chat-window.maximized #chatArea {
    display: none !important;
}

/* 右键菜单 */
.context-menu {
    position: fixed;
    background: #ece9d8;
    border: 1px solid #245edc;
    border-radius: 3px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    z-index: 2000;
    display: none;
    min-width: 150px;
}

.context-menu.show {
    display: block;
}

.context-item {
    padding: 8px 15px;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 12px;
}

.context-item:hover {
    background: #245edc;
    color: white;
}

.context-item i {
    margin-right: 10px;
    width: 16px;
    text-align: center;
}

/* 聊天室窗口特定样式 */
.chat-window .window-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-messages {
    flex: 1;
    background: white;
    border: 1px solid #ccc;
    border-radius: 3px;
    padding: 10px;
    margin-bottom: 10px;
    overflow-y: auto;
    font-size: 12px;
}

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

.chat-input {
    flex: 1;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 12px;
}

.chat-send {
    padding: 5px 15px;
    background: linear-gradient(to bottom, #4a6fd8 0%, #3a5fc8 50%, #2a4fb8 100%);
    color: white;
    border: 1px solid #6a8ff8;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s ease;
}

.chat-send:hover {
    background: linear-gradient(to bottom, #5a7fe8 0%, #4a6fd8 50%, #3a5fc8 100%);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .desktop-icon {
        width: 60px;
        height: 70px;
    }
    
    .desktop-icon i {
        font-size: 24px;
    }
    
    .desktop-icon span {
        font-size: 10px;
    }
    
    .start-menu {
        width: 250px;
    }
    
    .all-programs-menu {
        width: 200px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.window {
    /* 移除动画，窗口直接出现 */
    /* animation: fadeIn 0.3s ease-out; */
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 6px;
}

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