/* ==================== 响应式布局优化 ==================== */

/* 触摸目标优化 - 确保所有交互元素至少44x44px */
.btn,
.top-btn,
.mode-btn,
.mobile-nav-item {
    min-height: 44px;
    min-width: 44px;
    padding: 12px 20px;
}

/* 移动端按钮间距优化 */
@media (max-width: 768px) {
    .btn {
        margin: 8px 4px;
    }

    .mode-selector {
        gap: 12px;
        padding: 16px;
    }

    .mode-btn {
        padding: 16px;
        min-height: 60px;
    }

    /* 优化表单输入框 */
    input[type="text"],
    input[type="search"],
    input[type="number"],
    input[type="password"],
    textarea,
    select {
        min-height: 48px;
        font-size: 16px;
        /* 防止iOS自动缩放 */
        padding: 12px 16px;
    }
}

/* 改进断点设计 */
/* 超小屏幕 (手机竖屏) */
@media (max-width: 480px) {
    .container {
        padding: 12px;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .results-actions {
        flex-direction: column;
        gap: 8px;
    }

    .results-actions .btn {
        width: 100%;
    }
}

/* 小屏幕 (手机横屏) */
@media (min-width: 481px) and (max-width: 767px) {
    .container {
        padding: 16px;
    }

    .mode-selector {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 平板电脑优化 */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        max-width: 720px;
        padding: 24px;
    }

    .mode-selector {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    /* 优化侧边栏宽度 - 已移除，恢复默认 */
}

/* 大屏幕优化 */
@media (min-width: 1025px) and (max-width: 1440px) {
    .container {
        max-width: 1200px;
    }
}

/* 超大屏幕优化 */
@media (min-width: 1441px) {
    .container {
        max-width: 1400px;
    }

    /* 优化侧边栏 - 已移除，恢复默认 */
}

/* 移动端导航优化 */
.mobile-nav-menu {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease;
}

.mobile-nav-menu.active {
    transform: translateX(0);
    opacity: 1;
}

/* 手势支持 - 添加触摸反馈 */
@media (hover: none) and (pointer: coarse) {

    .btn:active,
    .mode-btn:active,
    .link-item:active {
        transform: scale(0.98);
        opacity: 0.9;
    }

    /* 优化滑动体验 */
    .side-panel,
    .mobile-popup {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
}

/* 横屏模式优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .header {
        padding: 16px 0;
    }

    .header h1 {
        font-size: 1.5rem;
    }

    .mode-selector {
        padding: 12px;
    }

    .mode-btn {
        padding: 12px;
        min-height: 50px;
    }
}

/* 打印样式优化 */
@media print {

    .top-buttons,
    .mobile-nav,
    .side-panel,
    .mode-selector,
    .input-section,
    .results-actions,
    footer {
        display: none !important;
    }

    .links-container {
        grid-template-columns: 1fr;
    }

    .link-item {
        page-break-inside: avoid;
        border: 1px solid #ddd;
        margin-bottom: 8px;
    }
}

/* 减少动画 - 尊重用户偏好 */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {

    .btn,
    .link-item,
    .mode-btn {
        border: 2px solid currentColor;
    }

    .btn:focus,
    .link-item:focus,
    .mode-btn:focus {
        outline: 3px solid currentColor;
        outline-offset: 2px;
    }
}