/* 响应式设计 */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        margin: 0;
        border-radius: 0;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .header h1 {
        font-size: 1.6rem;
    }
    
    .main-content {
        padding: 1.5rem;
    }
    
    .content-section {
        padding: 1.5rem;
    }
    
    .tab-navigation {
        padding: 0 1.5rem;
    }
    
    .tab-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* 手机设备 (最大宽度 768px) */
@media (max-width: 768px) {
    body {
        background: #f8f9fa;
    }
    
    .container {
        background: white;
        box-shadow: none;
    }
    
    .header {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .header h1 {
        font-size: 1.4rem;
    }
    
    .user-info {
        justify-content: center;
    }
    
    /* 标签导航在手机上的样式 */
    .tab-navigation {
        padding: 0;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .tab-btn {
        padding: 1rem;
        min-width: 120px;
        font-size: 0.9rem;
    }
    
    /* 主内容区域 */
    .main-content {
        padding: 1rem;
    }
    
    .content-section {
        padding: 1rem;
        border-radius: 8px;
    }
    
    .content-section h2 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    /* 表单在手机上的样式 */
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.8rem;
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    .form-group textarea {
        min-height: 80px;
    }
    
    /* 按钮在手机上的样式 */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    /* 模态框在手机上的样式 */
    .modal-content {
        width: 95%;
        margin: 1rem auto;
    }
    
    .modal-header {
        padding: 1rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    /* 结果显示区域 */
    .result-section {
        margin-top: 1rem;
        padding: 1rem;
    }
    
    .result-display {
        padding: 0.8rem;
        min-height: 50px;
    }
    
    /* 音色训练提示 */
    .training-notice {
        padding: 2rem 1rem;
    }
    
    .notice-icon {
        font-size: 2.5rem;
    }
    
    .training-notice h3 {
        font-size: 1.3rem;
    }
    
    /* 页脚 */
    .footer {
        padding: 1rem;
    }
    
    .footer-content p {
        font-size: 0.8rem;
    }
}

/* 小屏手机 (最大宽度 480px) */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.2rem;
    }
    
    .tab-btn {
        min-width: 100px;
        padding: 0.8rem;
        font-size: 0.85rem;
    }
    
    .content-section {
        padding: 0.8rem;
    }
    
    .content-section h2 {
        font-size: 1.2rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.7rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .training-notice {
        padding: 1.5rem 0.8rem;
    }
    
    .notice-icon {
        font-size: 2rem;
    }
    
    .training-notice h3 {
        font-size: 1.1rem;
    }
    
    .modal-content {
        width: 98%;
        margin: 0.5rem auto;
    }
}

/* 横屏手机优化 */
@media (max-height: 500px) and (orientation: landscape) {
    .header {
        padding: 0.5rem 1rem;
    }
    
    .header h1 {
        font-size: 1.1rem;
    }
    
    .tab-btn {
        padding: 0.6rem 1rem;
    }
    
    .main-content {
        padding: 0.8rem;
    }
    
    .content-section {
        padding: 0.8rem;
    }
    
    .training-notice {
        padding: 1rem;
    }
    
    .notice-icon {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .tab-btn:hover {
        background: none;
    }
    
    .tab-btn:active {
        background: rgba(79, 172, 254, 0.2);
    }
    
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
        box-shadow: none;
    }
    
    .btn-primary:active {
        transform: scale(0.98);
    }
    
    .close:hover {
        color: #aaa;
    }
    
    .close:active {
        color: #000;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .loading-spinner {
        border-width: 2px;
    }
    
    .tab-btn.active {
        border-bottom-width: 2px;
    }
}

/* 打印样式 */
@media print {
    .header,
    .tab-navigation,
    .footer,
    .modal,
    .loading {
        display: none !important;
    }
    
    .container {
        background: white;
        box-shadow: none;
        max-width: none;
        margin: 0;
    }
    
    .main-content {
        padding: 0;
    }
    
    .content-section {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
}

/* 无障碍访问优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    }
    
    .container {
        background: rgba(44, 62, 80, 0.95);
        color: #ecf0f1;
    }
    
    .content-section {
        background: #34495e;
        border-color: #4a6741;
        color: #ecf0f1;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        background: #2c3e50;
        border-color: #4a6741;
        color: #ecf0f1;
    }
    
    .result-section {
        background: #2c3e50;
    }
    
    .result-display {
        background: #34495e;
        border-color: #4a6741;
        color: #ecf0f1;
    }
    
    .modal-content {
        background: #34495e;
        color: #ecf0f1;
    }
    
    .modal-header {
        border-color: #4a6741;
    }
}