.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-link {
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background-color: var(--background-color);
    transition: all 0.2s ease;
}

.admin-link:hover {
    background-color: var(--primary-color);
    color: white;
}

@media (max-width: 768px) {
    .nav-actions {
        width: 100%;
        justify-content: space-between;
    }
} 
:root {
    --primary-color: #007AFF;
    --background-color: #f5f5f7;
    --card-background: #ffffff;
    --text-color: #1d1d1f;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --background-color: #1d1d1f;
    --card-background: #2d2d2f;
    --text-color: #f5f5f7;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: all 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 60px;
}

.top-nav {
    background-color: var(--card-background);
    padding: 1rem 1rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo img {
    width: 140px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    background: linear-gradient(45deg, #007AFF, #00C7FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

.search-container {
    position: relative;
    width: 40%;
}

.search-container input {
    width: 100%;
    padding: 0.5rem 2rem 0.5rem 1rem;
    border-radius: 8px;
    border: none;
    background-color: var(--background-color);
    color: var(--text-color);
}

.search-container i {
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
}

.category-nav {
    margin-top: 4rem;
    padding: 1rem;
    background-color: var(--card-background);
    position: sticky;
    top: 4rem;
    z-index: 900;
}

.category-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding: 0.5rem 0;
}

.category-btn {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: none;
    background-color: var(--background-color);
    color: var(--text-color);
    cursor: pointer;
    white-space: nowrap;
}

.category-btn.active {
    background-color: var(--primary-color);
    color: white;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    flex: 1;
    width: 100%;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 1rem 0;
}

.tool-card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow), 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tool-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    margin-bottom: 1rem;
}

.tool-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tool-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.tool-name {
    text-decoration: none;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.tool-name h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.tool-name:hover h3 {
    text-decoration: underline;
}

.tool-url {
    font-size: 0.8rem;
    color: #666;
    display: block;
}

.tool-description {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
    line-height: 1.5;
    margin-top: 0.5rem;
}

[data-theme="dark"] .tool-url {
    color: #999;
}

[data-theme="dark"] .tool-description {
    opacity: 0.7;
}

footer {
    background-color: var(--card-background);
    padding: 1.5rem;
    text-align: center;
    width: 100%;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 900;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.footer-content {
    font-size: 1rem;
    font-weight: bold;
    color: #ef5103;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-container {
        width: 100%;
    }
    
    .category-nav {
        margin-top: 10rem;
    }
    
    .logo {
        font-size: 1.6rem;
    }
    
    .logo img {
        width: 36px;
        height: 36px;
    }
    
    body {
        padding-bottom: 80px;
    }
    
    footer {
        padding: 1rem;
    }
    
    .footer-content {
        font-size: 0.9rem;
    }
} 

/* 导航控制按钮容器 */
.nav-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* 主题切换和回到顶部按钮的共同样式 */
.theme-toggle,
.back-to-top {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: #666;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.theme-toggle:hover,
.back-to-top:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* 暗色主题样式 */
[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .back-to-top {
    color: #fff;
}

[data-theme="dark"] .theme-toggle:hover,
[data-theme="dark"] .back-to-top:hover {
    background: rgba(255, 255, 255, 0.1);
}