/**
 * 搜索功能样式文件
 * 包含拟态风格设计和动画效果
 */

/* 新闻搜索模块样式 */
.news-search-section {
    position: relative;
    /* background-image: url('../images/search-bg.webp'); */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    height: 400px;
    margin: 0;
    overflow: hidden;
}

.news-search-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f7f7f7;
    z-index: 1;
}

.news-search-section .search-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    margin-top: 65px;
}

.search-header {
    margin-bottom: 40px;
}

.search-title {
    color: #ffffff;
    font-size: 48px;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 2px;
}

.search-form-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.news-search-form {
    width: 100%;
    max-width: 800px;
}

.search-controls {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    padding: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 分类选择器样式 */
.category-selector {
    position: relative;
    flex: 0 0 180px;
}

.category-dropdown {
    width: 100%;
    height: 50px;
    border: none;
    background: transparent;
    padding: 0 40px 0 20px;
    font-size: 16px;
    color: #666;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.category-dropdown:focus {
    color: #333;
}



/* 搜索输入框样式 */
.news-search-form .search-input-wrapper {
    position: relative;
    flex: 1;
    margin: 0 8px;
}

.news-search-form .search-input {
    width: 100%;
    height: 50px;
    border: none;
    background: transparent;
    padding: 0 20px;
    font-size: 16px;
    color: #333;
    outline: none;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.news-search-form .search-input::placeholder {
    color: #999;
    font-weight: 400;
}

.news-search-form .search-input:focus {
    background: rgba(255, 255, 255, 0.1);
}

/* 搜索建议样式 */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    margin-top: 8px;
}

.search-suggestions.show {
    display: block;
}

.suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s ease;
    color: #333;
    font-size: 14px;
}

.suggestion-item:hover,
.suggestion-item.active {
    background: #f8f9fa;
    color: #007bff;
}

.suggestion-item:last-child {
    border-bottom: none;
}

/* 搜索按钮样式 */
.search-button {
    flex: 0 0 50px;
    height: 50px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.search-button:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

.search-button:active {
    transform: translateY(0);
}

.search-button svg {
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-search-section {
        padding: 60px 0;
    }
    
    .search-title {
        font-size: 32px;
        margin-bottom: 30px;
    }
    
    .search-controls {
        flex-direction: column;
        gap: 12px;
        padding: 20px;
        border-radius: 25px;
    }
    
    .category-selector,
    .news-search-form .search-input-wrapper {
        flex: none;
        width: 100%;
        margin: 0;
    }
    
    .category-dropdown,
    .news-search-form .search-input {
        height: 48px;
        text-align: center;
    }
    
    .search-button {
        flex: none;
        width: 100%;
        height: 48px;
        border-radius: 24px;
    }
}

@media (max-width: 480px) {
    .news-search-section {
        padding: 40px 0;
    }
    
    .news-search-section .search-container {
        padding: 0 15px;
    }
    
    .search-title {
        font-size: 28px;
        letter-spacing: 1px;
    }
    
    .search-controls {
        padding: 15px;
    }

    .news-search-section .search-container {
        padding: 0 !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .search-title {
        font-size: 42px;
    }
    
    .search-controls {
        max-width: 700px;
        margin: 0 auto;
    }
    
    .category-selector {
        flex: 0 0 160px;
    }
}

/* 搜索按钮样式 */
.nav-search {
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 15px;
    padding: 0;
    transition: all 0.3s ease;
}

.search-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.search-icon {
    width: 20px;
    height: 20px;
    stroke: #333;
    fill: none;
    transition: stroke 0.3s ease;
}

.search-toggle:hover .search-icon {
    stroke: #007bff;
}

/* 搜索框弹出层 */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 搜索容器 */
.search-container {
    position: relative;
    width: 100%;
    height: 100%;
    transform: translateY(-50px) scale(0.9);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-overlay.active .search-container {
    transform: translateY(0) scale(1);
}

/* 拟态风格搜索框 */
.search-box {
    background: #f0f0f0;
    border-radius: 25px;
    padding: 40px;
    position: relative;
    width: 90%;
    max-width: 800px;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 搜索输入区域 */
.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: #f0f0f0;
    border-radius: 50px;
    padding: 0 20px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
}

.search-input-wrapper:focus-within {
    border-color: #0073aa;
}

.search-input-icon {
    color: #999;
    margin-right: 15px;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 20px 0;
    font-size: 18px;
    color: #333;
    outline: none;
    font-family: inherit;
}

.search-input::placeholder {
    color: #999;
    font-weight: 400;
}

.search-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 50%;
    background: #e6e6e6;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
    margin-left: 10px;
}

.search-close:hover {
    background: #ddd;
    color: #333;
}

.search-close:active {
    background: linear-gradient(145deg, #d1d1d1, #e6e6e6);
    box-shadow: 
        inset 2px 2px 4px #bebebe,
        inset -2px -2px 4px #ffffff;
    transform: scale(0.95);
}

/* 搜索提交按钮 */
.search-submit {
    align-self: center;
    padding: 18px 50px;
    border: none;
    border-radius: 50px;
    background: #007bff;
    color: white;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
    box-shadow: 
        8px 8px 16px #bebebe,
        -8px -8px 16px #ffffff;
}

.search-submit:hover {
    background: #0056b3;
}

.search-submit:active {
    background: #004085;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-search {
        position: relative;
        z-index: 10001;
    }
    
    .search-toggle {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        backdrop-filter: blur(10px);
    }
    
    .search-toggle:hover {
        background: rgba(255, 255, 255, 0.2);
    }
    
    .search-toggle .search-icon {
        stroke: #fff;
    }
    
    .search-toggle:hover .search-icon {
        stroke: #007bff;
    }
    
    .search-container {
        width: 100%;
        height: 100%;
        padding: 20px;
    }
    
    .search-box {
        padding: 25px;
        border-radius: 20px;
        width: 100%;
        max-width: none;
    }
    
    .search-input-wrapper {
        padding: 0 15px;
    }
    
    .search-input {
        padding: 15px 0;
        font-size: 14px;
    }
    
    .search-submit {
        padding: 12px 30px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .search-box {
        padding: 15px;
    }
    
    .search-form {
        gap: 15px;
    }
    
    .search-input-wrapper {
        padding: 0 12px;
    }
    
    .search-input {
        padding: 12px 0;
    }
    
    .search-submit {
        padding: 10px 25px;
        min-width: 100px;
    }
}

/* 搜索按钮激活状态 */
.search-toggle.active {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 搜索结果提示 */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #f0f0f0;
    border-radius: 0 0 20px 20px;
    border: 1px solid #ddd;
    border-top: none;
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.search-suggestions.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.search-suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.search-suggestion-item:hover {
    background: rgba(0, 123, 255, 0.1);
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

/* 无障碍访问 */
@media (prefers-reduced-motion: reduce) {
    .search-overlay,
    .search-container,
    .search-toggle,
    .search-close,
    .search-submit {
        transition: none;
    }
    
    .search-toggle.active {
        animation: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .search-toggle {
        border: 2px solid #000;
    }
    
    .search-box {
        border: 2px solid #000;
    }
    
    .search-input-wrapper {
        border: 1px solid #666;
    }
}

/* 震动动画效果 */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
    20%, 40%, 60%, 80% { transform: translateX(10px); }
}

.search-input.shake {
    animation: shake 0.6s ease-in-out;
}

/* 新闻搜索模块样式 */
.news-search-section {
    /* background: url('../images/search-bg.webp') center/cover no-repeat; */
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.news-search-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:#f7f7f7;
    z-index: 1;
}

.news-search-section .search-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    margin-top: 65px;
}

/* 搜索标题样式 */
.search-header {
    text-align: center;
    margin-bottom: 0;
}

.search-title {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 2px;
}

/* 搜索表单包装器 */
.search-form-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0;
}

.news-search-form {
    width: 100%;
}

.news-search-form .search-controls {
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50px;
    padding: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-search-section {
        padding: 60px 0;
    }
    
    .search-title {
        font-size: 32px;
        margin-bottom: 30px;
    }
    
    .news-search-form .search-controls {
        flex-direction: column;
        gap: 12px;
        padding: 20px;
        border-radius: 25px;
    }
    
    .category-selector,
    .news-search-form .search-input-wrapper {
        flex: none;
        width: 100%;
        margin: 0;
    }
    
    .category-dropdown,
    .news-search-form .search-input {
        height: 48px;
        text-align: center;
    }
    
    .search-button {
        flex: none;
        width: 100%;
        height: 48px;
        border-radius: 24px;
    }
}