/* 网屿导航网系统 - 样式文件 */
/* 动漫风格设计 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48ZyBmaWxsPSJub25lIiBmaWxsLXJ1bGU9ImV2ZW5vZGQiPjxwYXRoIGQ9Ik0zNiAxOGMzLjMxNCAwIDYtMi42ODYgNi02cy0yLjY4Ni02LTYtNi02IDIuNjg2LTYgNiAyLjY4NiA2IDYgNnptMCAzNmMzLjMxNCAwIDYtMi42ODYgNi02cy0yLjY4Ni02LTYtNi02IDIuNjg2LTYgNiAyLjY4NiA2IDYgNnptLTE4LTE4YzMuMzE0IDAgNi0yLjY4NiA2LTZzLTIuNjg2LTYtNi02LTYgMi42ODYtNiA2IDIuNjg2IDYgNiA2em0wIDM2YzMuMzE0IDAgNi0yLjY4NiA2LTZzLTIuNjg2LTYtNi02LTYgMi42ODYtNiA2IDIuNjg2IDYgNiA2em0tMTggMThjMy4zMTQgMCA2LTIuNjg2IDYtNnMtMi42ODYtNi02LTYtNiAyLjY4Ni02IDYgMi42ODYgNiA2IDZ6bTAgMzZjMy4zMTQgMCA2LTIuNjg2IDYtNnMtMi42ODYtNi02LTYtNiAyLjY4Ni02IDYgMi42ODYgNiA2IDZ6Ii8+PC9nPjwvc3ZnPg==');
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    color: white;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
    position: relative;
}

.nav-menu a:hover {
    color: #ffeb3b;
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ffeb3b;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.user-menu {
    display: flex;
    align-items: center;
}

.user-menu a {
    margin-left: 15px;
    text-decoration: none;
    color: white;
    font-size: 14px;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.user-menu a:hover {
    color: #ffeb3b;
    transform: translateY(-2px);
}

/* 搜索框样式 */
.search-box {
    margin: 30px 0;
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.search-form {
    display: inline-flex;
    max-width: 600px;
    width: 100%;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 16px;
    border: 3px solid #ff6b6b;
    border-radius: 50px 0 0 50px;
    outline: none;
    transition: all 0.3s ease;
    background-color: white;
}

.search-input:focus {
    border-color: #4ecdc4;
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.3);
    transform: scale(1.02);
}

.search-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #ff6b6b 0%, #4ecdc4 100%);
    color: #fff;
    border: none;
    border-radius: 0 50px 50px 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.search-btn:hover {
    background: linear-gradient(135deg, #4ecdc4 0%, #ff6b6b 100%);
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.4);
}

.search-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

.search-btn:hover::before {
    left: 100%;
}

/* 分类样式 */
.categories {
    margin: 30px 0;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.category-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

.category-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

/* 网址卡片样式 */
.websites {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.website-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.website-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 107, 107, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s ease;
}

.website-card:hover::before {
    animation: shine 1s ease-in-out;
}

.website-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    border-color: #ff6b6b;
}

.website-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.website-title a {
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    position: relative;
}

.website-title a:hover {
    color: #ff6b6b;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.5);
}

.website-title a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ff6b6b;
    transition: width 0.3s ease;
}

.website-title a:hover::after {
    width: 100%;
}

.website-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
    line-height: 1.4;
    position: relative;
    z-index: 1;
}

.website-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
    position: relative;
    z-index: 1;
}

.website-clicks {
    display: flex;
    align-items: center;
}

.website-clicks i {
    margin-right: 5px;
}

.website-actions {
    display: flex;
    gap: 10px;
}

.website-actions a {
    color: #999;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.website-actions a:hover {
    color: #4ecdc4;
    transform: scale(1.2);
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #333;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ffd93d;
    border-radius: 10px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
    background-color: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: #6bcb77;
    box-shadow: 0 0 20px rgba(107, 203, 119, 0.3);
    transform: scale(1.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ee5a6f 0%, #ff6b6b 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(238, 90, 111, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #fff;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(245, 87, 108, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: #fff;
}

.btn-success:hover {
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.4);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* 登录注册表单样式 */
.login-form,
.user-profile {
    max-width: 400px;
    margin: 50px auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
}

.login-form::before,
.user-profile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #ffd93d, #6bcb77);
    animation: gradientShift 5s ease infinite;
}

.login-form h2,
.user-profile h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

/* 消息提示样式 */
.message {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.success-message::before {
    background: linear-gradient(90deg, #2ecc71, #1abc9c);
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.error-message::before {
    background: linear-gradient(90deg, #e74c3c, #c0392b);
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 50px 0;
    margin-top: 50px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,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');
    opacity: 0.3;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-content p {
    margin: 10px 0;
    font-size: 14px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.footer-content a {
    color: #ffd93d;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: bold;
}

.footer-content a:hover {
    color: #fff;
    text-decoration: underline;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .nav-menu li {
        margin-left: 0;
    }
    
    .websites {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .search-input {
        border-radius: 4px;
        margin-bottom: 10px;
    }
    
    .search-btn {
        border-radius: 4px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .website-card {
        padding: 15px;
    }
    
    .login-form,
    .user-profile {
        padding: 20px;
        margin: 20px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.website-card {
    animation: fadeIn 0.3s ease-out;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 收藏图标样式 */
.favorite {
    color: #e74c3c;
}

/* 分类列表样式 */
.category-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.category-list li {
    flex: 1;
    min-width: 150px;
}

.category-list a {
    display: block;
    padding: 15px;
    background-color: #fff;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.category-list a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    color: #3498db;
}