/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'VT323', monospace;
    background: #000;
    overflow: hidden;
    user-select: none;
}

/* 桌面背景 */
#desktop {
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    position: relative;
    overflow: hidden;
}

.desktop-bg {
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 50%);
    position: absolute;
    top: 0;
    left: 0;
}

/* 任务栏 */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border-top: 2px solid #ffffff;
    display: flex;
    align-items: center;
    padding: 0 5px;
    z-index: 1000;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.3);
}

.start-button {
    background: linear-gradient(to bottom, #008080, #004040);
    color: white;
    padding: 5px 15px;
    border: 2px outset #c0c0c0;
    cursor: pointer;
    font-weight: bold;
    margin-right: 10px;
    border-radius: 3px;
}

.start-button:hover {
    background: linear-gradient(to bottom, #00a0a0, #006060);
}

.taskbar-items {
    display: flex;
    flex: 1;
    gap: 5px;
}

.taskbar-item {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
    padding: 5px 10px;
    border: 1px solid #808080;
    cursor: pointer;
    font-size: 12px;
    border-radius: 2px;
}

.taskbar-item.active {
    background: linear-gradient(to bottom, #ffffff, #e0e0e0);
    border: 1px solid #404040;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-item {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
    padding: 5px 8px;
    border: 1px solid #808080;
    font-size: 11px;
    border-radius: 2px;
    white-space: nowrap;
}

.tray-icon {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
    padding: 5px;
    border: 1px solid #808080;
    font-size: 12px;
    border-radius: 2px;
    cursor: pointer;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tray-icon:hover {
    background: linear-gradient(to bottom, #f0f0f0, #d0d0d0);
}

.clock {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
    padding: 5px 10px;
    border: 1px solid #808080;
    font-size: 12px;
    border-radius: 2px;
}

/* 桌面图标 */
.desktop-icons {
    position: absolute;
    top: 20px;
    left: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, 80px);
    gap: 20px;
    padding: 20px;
}

.desktop-icon {
    width: 80px;
    height: 90px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 5px;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.desktop-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.desktop-icon:active {
    background: rgba(255, 255, 255, 0.3);
}

.icon-img {
    width: 48px;
    height: 48px;
    margin-bottom: 5px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.qq-icon {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><rect width="48" height="48" fill="%2300a0ff"/><text x="24" y="32" text-anchor="middle" fill="white" font-size="24" font-weight="bold">Q</text></svg>');
}

.paopao-icon {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><circle cx="24" cy="24" r="20" fill="%23ff6b6b"/><text x="24" y="30" text-anchor="middle" fill="white" font-size="12" font-weight="bold">Bubble</text></svg>');
}

.ie-icon {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><rect width="48" height="48" fill="%2300a0ff"/><text x="24" y="32" text-anchor="middle" fill="white" font-size="20" font-weight="bold">e</text></svg>');
}

.computer-icon {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><rect x="8" y="12" width="32" height="24" fill="%23c0c0c0"/><rect x="12" y="16" width="24" height="16" fill="%23000000"/><rect x="18" y="36" width="12" height="4" fill="%23c0c0c0"/></svg>');
}

.twitter-icon {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><rect width="48" height="48" fill="%231da1f2"/><text x="24" y="32" text-anchor="middle" fill="white" font-size="24" font-weight="bold">🐦</text></svg>');
}

.pumpxp-icon {
    background-image: url('pumpxp.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.icon-text {
    font-size: 12px;
    color: white;
    text-align: center;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
    word-wrap: break-word;
    line-height: 1.2;
}

/* 应用程序窗口 */
.app-window {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    border-radius: 5px;
    min-width: 400px;
    min-height: 300px;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
    z-index: 100;
}

.window-header {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
    padding: 5px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: move;
    border-radius: 3px 3px 0 0;
}

.window-title {
    font-weight: bold;
    font-size: 14px;
}

.window-controls {
    display: flex;
    gap: 5px;
}

.window-controls span {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 1px outset #ffffff;
    cursor: pointer;
    font-size: 12px;
    border-radius: 2px;
}

.window-controls span:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.window-content {
    padding: 20px;
    background: #ffffff;
    border-radius: 0 0 3px 3px;
    height: calc(100% - 35px);
    overflow-y: auto;
}

/* QQ界面 */
.qq-interface {
    text-align: center;
}

.qq-input {
    width: 200px;
    padding: 8px;
    margin: 10px 0;
    border: 2px inset #c0c0c0;
    border-radius: 3px;
    font-family: inherit;
}

.login-btn {
    background: linear-gradient(to bottom, #008080, #004040);
    color: white;
    border: 2px outset #c0c0c0;
    padding: 8px 20px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
}

.login-btn:hover {
    background: linear-gradient(to bottom, #00a0a0, #006060);
}

.friend-item {
    display: flex;
    align-items: center;
    padding: 5px;
    margin: 5px 0;
    background: #f0f0f0;
    border-radius: 3px;
}

.friend-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 10px;
}

.friend-status.online {
    background: #00ff00;
}

.friend-status.offline {
    background: #ff0000;
}

/* 泡泡堂游戏 */
.game-canvas {
    text-align: center;
}

#paopao-canvas {
    border: 2px solid #000;
    background: #87ceeb;
    margin-bottom: 10px;
}

.game-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.game-btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
}

.game-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

/* IE浏览器 */
.browser-toolbar {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
    padding: 5px;
    background: #f0f0f0;
    border: 1px solid #c0c0c0;
    border-radius: 3px;
}

.browser-btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 1px outset #ffffff;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 2px;
    font-family: inherit;
    font-size: 12px;
}

.browser-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.url-bar {
    flex: 1;
    padding: 5px;
    border: 2px inset #c0c0c0;
    border-radius: 2px;
    font-family: inherit;
    font-size: 12px;
}

.browser-content {
    border: 2px inset #c0c0c0;
    height: 200px;
    background: white;
    padding: 10px;
    position: relative;
}

.loading-indicator {
    text-align: center;
    padding: 20px;
}

.loading-bar {
    width: 200px;
    height: 20px;
    background: #f0f0f0;
    border: 2px inset #c0c0c0;
    margin: 10px auto;
    position: relative;
    overflow: hidden;
}

.loading-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, #008080, transparent);
    animation: loading 2s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    margin: 15% auto;
    padding: 0;
    border: 3px outset #ffffff;
    border-radius: 5px;
    width: 300px;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
}

.modal-header {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 2px 2px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 14px;
}

.close {
    color: white;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #ff0000;
}

.modal-body {
    padding: 20px;
    text-align: center;
    background: white;
}

.warning-icon, .error-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.small-text {
    font-size: 12px;
    color: #666;
    margin-top: 10px;
}

.modal-footer {
    padding: 10px;
    text-align: center;
    background: #f0f0f0;
    border-radius: 0 0 2px 2px;
}

.btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    padding: 8px 20px;
    margin: 0 5px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
}

.btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.btn-primary {
    background: linear-gradient(to bottom, #008080, #004040);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(to bottom, #00a0a0, #006060);
}

/* 开始菜单 */
.start-menu {
    position: fixed;
    bottom: 30px;
    left: 0;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    border-radius: 5px;
    min-width: 200px;
    z-index: 1500;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
}

/* 子菜单 */
.submenu {
    position: fixed;
    bottom: 30px;
    left: 200px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    border-radius: 5px;
    min-width: 180px;
    z-index: 1501;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
}

.submenu-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #808080;
}

.submenu-item:hover {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
}

.submenu-item:last-child {
    border-bottom: none;
}

.start-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid #808080;
}

.start-menu-item:hover {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
}

.start-menu-item:last-child {
    border-bottom: none;
}

.menu-icon {
    margin-right: 10px;
    font-size: 16px;
}

/* 网速模式切换 */
.speed-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
}

.speed-btn {
    background: linear-gradient(to bottom, #ff6b6b, #ff4757);
    color: white;
    border: 2px outset #ffffff;
    padding: 10px 15px;
    cursor: pointer;
    border-radius: 5px;
    font-family: inherit;
    font-weight: bold;
}

.speed-btn:hover {
    background: linear-gradient(to bottom, #ff8e8e, #ff6b6b);
}

.speed-btn.active {
    background: linear-gradient(to bottom, #ff4757, #ff3742);
}

/* 慢速模式效果 */
.slow-mode .app-window {
    transition: all 3s ease-in-out;
}

.slow-mode .loading-bar::after {
    animation-duration: 5s;
}

.slow-mode .browser-content {
    transition: opacity 2s ease-in-out;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .desktop-icons {
        grid-template-columns: repeat(auto-fill, 60px);
        gap: 15px;
    }
    
    .desktop-icon {
        width: 60px;
        height: 70px;
    }
    
    .icon-img {
        width: 36px;
        height: 36px;
    }
    
    .icon-text {
        font-size: 10px;
    }
    
    .app-window {
        min-width: 300px;
        min-height: 250px;
    }
}

/* 像素风格装饰 */
.desktop-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    border-radius: 5px;
    pointer-events: none;
}

/* 闪烁效果 */
@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.desktop-icon:hover .icon-img {
    animation: blink 0.5s infinite;
}

/* 记事本样式 */
.notepad-toolbar {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
    padding: 5px;
    background: #f0f0f0;
    border: 1px solid #c0c0c0;
    border-radius: 3px;
}

.notepad-btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 1px outset #ffffff;
    padding: 5px 10px;
    cursor: pointer;
    border-radius: 2px;
    font-family: inherit;
    font-size: 12px;
}

.notepad-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.notepad-textarea {
    width: 100%;
    height: 200px;
    border: 2px inset #c0c0c0;
    padding: 10px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    resize: none;
    background: white;
}

/* 计算器样式 */
.calculator {
    text-align: center;
    padding: 20px;
}

.calc-display {
    width: 200px;
    height: 40px;
    margin-bottom: 10px;
    text-align: right;
    font-size: 18px;
    border: 2px inset #c0c0c0;
    background: #f0f0f0;
    font-family: inherit;
}

.calc-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 5px;
    max-width: 200px;
    margin: 0 auto;
}

.calc-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    cursor: pointer;
    font-family: inherit;
    font-size: 16px;
    border-radius: 3px;
}

.calc-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.calc-btn:active {
    border: 2px inset #ffffff;
}

.calc-op {
    background: linear-gradient(to bottom, #ffa500, #ff8c00);
    color: white;
}

.calc-equals {
    background: linear-gradient(to bottom, #008000, #006000);
    color: white;
}

.calc-clear {
    background: linear-gradient(to bottom, #ff0000, #cc0000);
    color: white;
}

/* 画图样式 */
.paint-toolbar {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
    padding: 5px;
    background: #f0f0f0;
    border: 1px solid #c0c0c0;
    border-radius: 3px;
    align-items: center;
}

.paint-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    cursor: pointer;
    font-size: 16px;
    border-radius: 3px;
}

.paint-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.paint-btn.active {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
}

.paint-color {
    width: 40px;
    height: 40px;
    border: 2px outset #ffffff;
    cursor: pointer;
}

.paint-canvas {
    border: 2px solid #000;
    background: white;
    cursor: crosshair;
}

/* 扫雷样式 */
.minesweeper-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px;
    background: #f0f0f0;
    border: 2px inset #c0c0c0;
    border-radius: 3px;
}

.mine-counter, .mine-timer {
    font-family: 'Courier New', monospace;
    font-weight: bold;
    font-size: 16px;
}

.mine-reset {
    width: 40px;
    height: 40px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    cursor: pointer;
    font-size: 20px;
    border-radius: 3px;
}

.mine-reset:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.minesweeper-grid {
    display: grid;
    grid-template-columns: repeat(9, 30px);
    grid-template-rows: repeat(9, 30px);
    gap: 1px;
    background: #808080;
    border: 2px outset #ffffff;
    padding: 5px;
}

.mine-cell {
    width: 30px;
    height: 30px;
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    cursor: pointer;
    font-size: 12px;
}

.mine-cell:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

.mine-cell.revealed {
    border: 1px solid #808080;
    background: #f0f0f0;
}

.mine-cell.mine {
    background: #ff0000;
    color: white;
}

.mine-cell.flagged {
    background: linear-gradient(to bottom, #ffff00, #cccc00);
}

/* 控制面板样式 */
.control-panel {
    padding: 20px;
}

.control-panel h3 {
    margin-bottom: 20px;
    color: #000080;
}

.control-item {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-item label {
    min-width: 120px;
    font-weight: bold;
}

.control-select {
    padding: 5px;
    border: 2px inset #c0c0c0;
    border-radius: 3px;
    font-family: inherit;
}

.control-slider {
    width: 150px;
}

.control-btn {
    background: linear-gradient(to bottom, #008080, #004040);
    color: white;
    border: 2px outset #c0c0c0;
    padding: 8px 20px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
    margin-top: 20px;
}

.control-btn:hover {
    background: linear-gradient(to bottom, #00a0a0, #006060);
}

/* 系统对话框样式 */
.system-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.dialog-content {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 3px outset #ffffff;
    border-radius: 5px;
    min-width: 300px;
    max-width: 400px;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
}

.dialog-header {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 2px 2px 0 0;
}

.dialog-title {
    font-weight: bold;
    font-size: 14px;
}

.dialog-close {
    color: white;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
}

.dialog-close:hover {
    color: #ff0000;
}

.dialog-body {
    padding: 20px;
    background: white;
    display: flex;
    align-items: center;
    gap: 15px;
}

.dialog-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.dialog-message {
    font-size: 14px;
    line-height: 1.4;
}

.dialog-footer {
    padding: 10px 15px;
    background: #f0f0f0;
    text-align: center;
    border-radius: 0 0 2px 2px;
}

.dialog-btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    padding: 6px 20px;
    margin: 0 5px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
    font-size: 12px;
    min-width: 60px;
}

.dialog-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}

/* 关机对话框样式 */
.shutdown-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    display: flex;
    justify-content: center;
    align-items: center;
}

.shutdown-content {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 3px outset #ffffff;
    border-radius: 5px;
    width: 350px;
    box-shadow: 5px 5px 15px rgba(0,0,0,0.5);
}

.shutdown-header {
    background: linear-gradient(to bottom, #000080, #000060);
    color: white;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 2px 2px 0 0;
}

.shutdown-title {
    font-weight: bold;
    font-size: 14px;
}

.shutdown-close {
    color: white;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
}

.shutdown-close:hover {
    color: #ff0000;
}

.shutdown-body {
    padding: 20px;
    background: white;
    text-align: center;
}

.shutdown-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.shutdown-message {
    font-size: 14px;
    margin-bottom: 20px;
    font-weight: bold;
}

.shutdown-options {
    text-align: left;
    margin: 0 auto;
    width: fit-content;
}

.shutdown-options label {
    display: block;
    margin: 8px 0;
    cursor: pointer;
    font-size: 13px;
}

.shutdown-options input[type="radio"] {
    margin-right: 8px;
}

.shutdown-footer {
    padding: 10px 15px;
    background: #f0f0f0;
    text-align: center;
    border-radius: 0 0 2px 2px;
}

.shutdown-btn {
    background: linear-gradient(to bottom, #c0c0c0, #a0a0a0);
    border: 2px outset #ffffff;
    padding: 6px 20px;
    margin: 0 5px;
    cursor: pointer;
    border-radius: 3px;
    font-family: inherit;
    font-size: 12px;
    min-width: 60px;
}

.shutdown-btn:hover {
    background: linear-gradient(to bottom, #e0e0e0, #c0c0c0);
}