/* styles.css - 极御未来开发部下载站样式表 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    min-height: 100vh;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

nav {
    margin-top: 1rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.7rem 1.2rem;
    margin: 0 0.5rem;
    border-radius: 25px;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-block;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.content-section {
    display: none;
    padding: 2rem;
}

.content-section.active {
    display: block;
}

.search-section {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 8px;
}

#searchInput {
    width: 70%;
    max-width: 500px;
    padding: 0.8rem 1rem;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s;
}

#searchInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

#searchBtn {
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    margin-left: 0.5rem;
    transition: transform 0.2s;
}

#searchBtn:hover {
    transform: scale(1.05);
}

.programs-section h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
    font-size: 1.8rem;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.program-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #eee;
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.program-card h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.program-card p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.download-btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: linear-gradient(135deg, #28a745 0%, #2196F3 100%);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    transition: transform 0.2s, box-shadow 0.2s;
    font-weight: bold;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(40, 167, 69, 0.3);
}

#adminSection {
    background: white;
    border-radius: 8px;
    padding: 0;
    margin-top: 1rem;
}

#loginForm, #adminPanel {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
}

#loginForm h2, #adminPanel h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #333;
}

#loginForm input, #adminPanel input, #adminPanel button {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

#loginForm input, #adminPanel input {
    transition: border-color 0.3s;
}

#loginForm input:focus, #adminPanel input:focus {
    border-color: #667eea;
    outline: none;
}

#loginForm button, #adminPanel button {
    background: linear-gradient(135deg, #007bff 0%, #667eea 100%);
    color: white;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: transform 0.2s;
}

#loginForm button:hover, #adminPanel button:hover {
    transform: scale(1.02);
}

.admin-options {
    margin-top: 1.5rem;
}

.admin-options > div {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.admin-options h3 {
    margin-bottom: 1rem;
    color: #333;
    font-size: 1.2rem;
}

.upload-section input[type="file"], .update-section input[type="file"] {
    border: 2px dashed #ddd;
    background-color: #f9f9f9;
    padding: 1rem;
}

footer {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    margin-top: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    #searchInput {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    #searchBtn {
        width: 100%;
        margin-left: 0;
    }
    
    .content-section {
        padding: 1rem;
    }
    
    .nav-link {
        display: block;
        margin: 0.5rem 0;
    }
}