/* iPad设备外观样式 */
.ipad-container {
    width: 1024px;
    height: 768px;
    margin: 0 auto;
    position: relative;
}

.ipad-frame {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    border-radius: 20px;
    padding: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
}

.ipad-frame::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: #333;
    border-radius: 50%;
    z-index: 10;
}

/* 状态栏样式 */
.status-bar {
    height: 44px;
    background: #000;
    border-radius: 12px 12px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.status-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.signal, .wifi, .battery {
    width: 20px;
    height: 12px;
    background: #fff;
    border-radius: 2px;
}

.battery {
    position: relative;
}

.battery::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 6px;
    background: #fff;
    border-radius: 0 1px 1px 0;
}

/* 应用容器 */
.app-container {
    height: calc(100% - 44px);
    background: #f8fafc;
    border-radius: 0 0 12px 12px;
    display: flex;
    overflow: hidden;
}

/* 顶部导航 */
.app-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: white;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: none;
    background: #f1f5f9;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.menu-btn:hover {
    background: #e2e8f0;
    color: #475569;
}

.app-title {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-name {
    font-size: 14px;
    color: #64748b;
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    background: #1e293b;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    z-index: 50;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar-content {
    padding: 80px 0 20px 0;
    height: 100%;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.2s;
    margin: 4px 12px;
    border-radius: 8px;
}

.nav-item:hover {
    background: #334155;
    color: #e2e8f0;
}

.nav-item.active {
    background: #3b82f6;
    color: white;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar.collapsed .nav-item span {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    height: 100%;
    position: relative;
    padding-top: 60px;
}

#content-frame {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .ipad-container {
        width: 100%;
        height: 100vh;
        margin: 0;
    }
    
    .ipad-frame {
        border-radius: 0;
        padding: 0;
    }
}

/* 通用组件样式 */
.btn-primary {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #2563eb;
}

.btn-secondary {
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #e2e8f0;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: #475569;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.input-field {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}