/* 响应式设计样式文件 */

/* 超小屏幕 (手机, 小于576px) */
@media (max-width: 575.98px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .dish-image {
        width: 45px;
        height: 45px;
        margin-right: 8px;
    }
    
    .dish-name {
        font-size: 0.95rem;
    }
    
    .dish-price {
        font-size: 0.95rem;
    }
    
    .btn-group .btn {
        font-size: 0.8rem;
        padding: 4px 8px;
    }
    
    .stats-card h3 {
        font-size: 2rem;
    }
    
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        z-index: 1050;
        transition: left 0.3s ease;
    }
    
    .admin-sidebar.show {
        left: 0;
    }
    
    .admin-content {
        margin-left: 0;
        padding: 10px;
    }
    
    .menu-editor {
        padding: 15px;
    }
}

/* 小屏幕 (平板, 576px-767.98px) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .container {
        max-width: 540px;
    }
    
    .dish-image {
        width: 55px;
        height: 55px;
    }
    
    .btn-group .btn {
        font-size: 0.9rem;
        padding: 5px 10px;
    }
    
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-content {
        margin-left: 200px;
    }
}

/* 中等屏幕 (桌面, 768px-991.98px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .container {
        max-width: 720px;
    }
    
    .dish-image {
        width: 60px;
        height: 60px;
    }
    
    .admin-sidebar {
        width: 250px;
    }
    
    .admin-content {
        margin-left: 250px;
    }
}

/* 大屏幕 (大桌面, 992px-1199.98px) */
@media (min-width: 992px) and (max-width: 1199.98px) {
    .container {
        max-width: 960px;
    }
    
    .admin-sidebar {
        width: 250px;
    }
    
    .admin-content {
        margin-left: 250px;
    }
}

/* 超大屏幕 (超大桌面, 1200px+) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .admin-sidebar {
        width: 300px;
    }
    
    .admin-content {
        margin-left: 300px;
    }
}

/* 横屏手机优化 */
@media (max-width: 767.98px) and (orientation: landscape) {
    .navbar-brand {
        font-size: 1rem;
    }
    
    .card-header h5 {
        font-size: 0.9rem;
    }
    
    .dish-image {
        width: 40px;
        height: 40px;
    }
    
    .dish-name {
        font-size: 0.9rem;
    }
    
    .dish-price {
        font-size: 0.9rem;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .dish-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .btn,
    .admin-sidebar,
    footer {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
        page-break-inside: avoid;
    }
    
    .menu-item {
        border-bottom: 1px solid #ccc !important;
    }
    
    .dish-image {
        display: none !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --bs-body-bg: #1a1a1a;
        --bs-body-color: #ffffff;
        --bs-card-bg: #2d2d2d;
        --bs-border-color: #404040;
    }
    
    body {
        background-color: var(--bs-body-bg);
        color: var(--bs-body-color);
    }
    
    .card {
        background-color: var(--bs-card-bg);
        border-color: var(--bs-border-color);
    }
    
    .menu-item:hover {
        background-color: #3d3d3d;
    }
    
    .admin-sidebar {
        background-color: #2d2d2d !important;
    }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid #000;
    }
    
    .btn {
        border: 2px solid #000;
    }
    
    .tag {
        border: 1px solid #000;
        font-weight: bold;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .menu-item {
        padding: 20px 0;
    }
    
    .rating .fa-star {
        font-size: 1.5rem;
        margin: 0 2px;
    }
    
    .navbar-toggler {
        padding: 8px 12px;
    }
}

/* 折叠菜单优化 */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: rgba(0, 0, 0, 0.1);
        border-radius: 8px;
        margin-top: 10px;
        padding: 10px;
    }
    
    .navbar-nav .nav-link {
        padding: 8px 16px;
        border-radius: 4px;
        margin: 2px 0;
    }
    
    .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }
}

/* 管理后台移动端优化 */
@media (max-width: 767.98px) {
    .admin-panel {
        position: relative;
    }
    
    .admin-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        z-index: 1050;
        transition: left 0.3s ease;
        overflow-y: auto;
    }
    
    .admin-sidebar.show {
        left: 0;
    }
    
    .admin-content {
        margin-left: 0;
        width: 100%;
    }
    
    .stats-card {
        margin-bottom: 15px;
    }
    
    .menu-editor {
        padding: 15px;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        margin-bottom: 5px;
    }
}

/* 平板横屏优化 */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .admin-sidebar {
        width: 200px;
    }
    
    .admin-content {
        margin-left: 200px;
    }
    
    .stats-card h3 {
        font-size: 2rem;
    }
}

/* 超宽屏优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .admin-sidebar {
        width: 350px;
    }
    
    .admin-content {
        margin-left: 350px;
    }
    
    .card {
        margin-bottom: 30px;
    }
}