/* 响应式设计 */

/* 大屏幕设备 (1200px 及以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

/* 平板设备 (768px 到 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

/* 小平板设备 (576px 到 767px) */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
        padding: 0 15px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .upload-area {
        padding: 2rem 1.5rem;
    }
    
    .upload-icon {
        font-size: 3rem;
    }
    
    .upload-area h2 {
        font-size: 1.3rem;
    }
    
    .settings-panel {
        padding: 1.5rem;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
}

/* 手机设备 (575px 及以下) */
@media (max-width: 575px) {
    .container {
        padding: 0 10px;
    }
    
    .header {
        padding: 1.5rem 0;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .tagline {
        font-size: 0.9rem;
    }
    
    .main {
        padding: 1rem 0;
    }
    
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .upload-area h2 {
        font-size: 1.2rem;
    }
    
    .upload-area p {
        font-size: 0.9rem;
    }
    
    .settings-panel {
        padding: 1rem;
        margin-top: 1rem;
    }
    
    .setting-group {
        margin-bottom: 1rem;
    }
    
    .image-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer {
        padding: 1.5rem 0;
    }
    
    .footer p {
        font-size: 0.9rem;
    }
    
    .notification {
        left: 10px;
        right: 10px;
        bottom: 10px;
    }
}

/* 超小屏幕设备 (320px 到 399px) */
@media (max-width: 399px) {
    .logo {
        font-size: 1.5rem;
    }
    
    .upload-area {
        padding: 1rem 0.8rem;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
    
    .upload-area h2 {
        font-size: 1.1rem;
    }
    
    .settings-panel {
        padding: 0.8rem;
    }
    
    .setting-group label {
        font-size: 0.9rem;
    }
    
    .compress-btn, .upload-btn, .download-btn, .download-all-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}

/* 横屏模式适配 */
@media (max-width: 767px) and (orientation: landscape) {
    .upload-area {
        padding: 1.5rem 1rem;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .settings-panel {
        padding: 1rem;
    }
    
    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .upload-area {
        border-width: 1px;
    }
    
    .setting-group input[type="range"] {
        height: 4px;
    }
    
    .setting-group input[type="range"]::-webkit-slider-thumb {
        width: 18px;
        height: 18px;
    }
    
    /* 页脚响应式样式 */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .footer-right {
        flex-direction: column;
        gap: 0.5rem !important;
    }
    
    .footer-right p.author:last-child {
        font-size: 0.8rem;
        line-height: 1.4;
        max-width: 100%;
        word-wrap: break-word;
    }
}

/* 打印样式 */
@media print {
    .header, .footer, .upload-btn, .compress-btn, .download-btn, .download-all-btn {
        display: none;
    }
    
    .upload-area, .settings-panel {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background: white;
        color: black;
    }
}