{% extends "base.html" %}

{% block content %}
<div class="category-page">
    <div class="header">
        <a href="{{ url_for('index') }}" class="back-link" title="返回首页">
            <i class="fas fa-arrow-left"></i>
        </a>
        <div class="header-title">
            <h1>全部应用 ({{ apps|length }}个)</h1>
        </div>
    </div>

    <div class="apps-grid" style="margin: 0; padding: 0;">
        {% for app in apps %}
        <div class="app-card" onclick="window.location.href='/app/{{ app.id }}'">
            <div class="app-icon">
                {% if 'http' in app.icon_path %}
                    <img data-src="{{ app.icon_path }}" alt="{{ app.name }}" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">
                {% else %}
                    <img data-src="{{ url_for('static', filename='uploads/' + app.icon_path) }}" alt="{{ app.name }}" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">
                {% endif %}
            </div>
            <div class="app-info">
                <h3>{{ app.name }}</h3>
            </div>
        </div>
        {% endfor %}
    </div>
</div>

<style>
.category-page {
    max-width: 1200px;
    margin: 60px auto 20px;
    padding: 0 15px;
}

.header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    background: white;
    padding: 5px 20px 5px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.back-link {
    color: #666;
    text-decoration: none;
    padding: 8px;
    border-radius: 50%;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.back-link:hover {
    transform: translateY(-2px);
}

.header-title {
    flex: 1;
}

.header h1 {
    margin: 0;
    font-size: 20px;
    color: #333;
    font-weight: 500;
    font-family: "SimHei", "黑体", sans-serif;
    text-align: left;
    padding-right: auto;
    margin-right: auto;
}

/* PC端网格布局 */
.apps-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    justify-content: flex-start;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 10px;
}

.app-card {
    width: 80px;  /* PC端固定宽度 */
    padding: 6px;
    box-sizing: border-box;
    text-align: center;
}

.app-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 4px;
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.app-icon img.loaded {
    opacity: 1;
}

.app-info h3 {
    font-size: 11px;
    margin: 0;
    color: #333;
    text-align: center;
    line-height: 1.2;
    height: 2.4em;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .category-page {
        padding: 0 10px;
    }
    
    .header {
        margin-bottom: 15px;
    }
    
    .apps-grid {
        padding: 6px;
        justify-content: center;  /* 移动端居中显示 */
    }
    
    .app-card {
        width: 25%;  /* 移动端四列布局 */
        padding: 4px;
    }
    
    .app-icon {
        width: 42px;
        height: 42px;
        margin-bottom: 3px;
    }
    
    .app-info h3 {
        font-size: 10px;
    }
}

/* 超小屏幕适配 */
@media (max-width: 320px) {
    .apps-grid {
        padding: 4px;
    }
    
    .app-card {
        padding: 3px;
    }
    
    .app-icon {
        width: 38px;
        height: 38px;
    }
    
    .app-info h3 {
        font-size: 9px;
    }
}

/* 暗色模式样式 */
[data-theme="dark"] .category-page {
    background: #1a1a1a;
}

[data-theme="dark"] .header {
    background: #242424;
}

[data-theme="dark"] .header h1 {
    color: #fff;
}

[data-theme="dark"] .back-link {
    color: #ccc;
    background: #333;
}

[data-theme="dark"] .back-link:hover {
    background: #444;
    color: #fff;
}

[data-theme="dark"] .apps-grid {
    background: #242424;
}

[data-theme="dark"] .app-card {
    background: #242424;
}

[data-theme="dark"] .app-info h3 {
    color: #fff;
}

/* 添加全局过渡效果 */
* {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 确保 apps-grid 也有过渡效果 */
.apps-grid {
    transition: background-color 0.3s ease;
    background: #fff;
}

[data-theme="dark"] .apps-grid {
    background: #242424;
}

/* 修改 app-card 的悬停效果 */
.app-card {
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.app-card:hover {
    transform: translateY(-2px);
}

[data-theme="dark"] .app-card:hover {
    background: #333;
}

/* 优化返回按钮的触摸反馈 */
.back-link {
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-link:active {
    opacity: 0.7;
}

@media (hover: hover) {
    .back-link:hover {
        opacity: 0.8;
    }
}

/* 添加到现有样式的末尾 */
.floating-buttons {
    position: fixed;
    bottom: 40px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* 暗色模式样式 */
[data-theme="dark"] .theme-toggle {
    background: #333;
    color: #fff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .floating-buttons {
        bottom: 30px;
        right: 15px;
        gap: 8px;
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
}
</style>

<script>
const imageObserver = new IntersectionObserver((entries, observer) => {
    entries.forEach(entry => {
        if (entry.isIntersecting) {
            const img = entry.target;
            img.src = img.dataset.src;
            img.onload = () => {
                img.classList.add('loaded');
            };
            observer.unobserve(img);
        }
    });
}, {
    rootMargin: '50px 0px',
    threshold: 0.01
});

document.addEventListener('DOMContentLoaded', () => {
    document.querySelectorAll('img[data-src]').forEach(img => {
        imageObserver.observe(img);
    });
});
</script>
{% endblock %}