/* about.css - 专门为关于页面设计的样式 */

/* 主题变量扩展 */
:root {
    --section-bg: rgba(0, 0, 0, 0.25);
    --section-border: rgba(255, 255, 255, 0.15);
    --skill-item-bg: rgba(255, 255, 255, 0.05);
    --skill-item-border: rgba(255, 255, 255, 0.1);
    --nav-bg: rgba(0, 0, 0, 0.4);
    --nav-border: rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --section-bg: rgba(255, 255, 255, 0.8);
    --section-border: rgba(0, 0, 0, 0.1);
    --skill-item-bg: rgba(0, 0, 0, 0.05);
    --skill-item-border: rgba(0, 0, 0, 0.1);
    --nav-bg: rgba(255, 255, 255, 0.8);
    --nav-border: rgba(0, 0, 0, 0.1);
}

/* 重置 body 高度，允许滚动 */
body {
    height: auto;
    min-height: 100vh;
}

/* 导航栏样式 */
.nav {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 999;
}

.nav a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--nav-bg);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    transition: var(--theme-transition);
    border: 1px solid var(--nav-border);
}

.nav a:hover {
    transform: translateX(5px);
    text-decoration: none;
    opacity: 0.8;
}

/* 重写容器样式以适应更多内容 */
.container {
    height: auto;
    min-height: 100vh;
    padding: 80px 20px 100px;
    transform: none;
}

/* 头部区域 */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header .avatar {
    border: 3px solid var(--skill-item-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .header .avatar {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 内容区域 */
.content {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
}

/* 内容块样式 */
.section {
    background: var(--section-bg);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--section-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: var(--theme-transition);
}

[data-theme="light"] .section {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.section:hover {
    transform: translateY(-5px);
}

.section h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--link-color);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--theme-transition);
}

.section p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.95;
    text-align: left;
    color: var(--text-color);
    transition: var(--theme-transition);
}

/* 技能网格布局 */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.skill-item {
    background: var(--skill-item-bg);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--skill-item-border);
    transition: var(--theme-transition);
}

.skill-item:hover {
    background: var(--skill-item-bg);
    transform: translateY(-3px);
    opacity: 0.8;
}

.skill-item i {
    font-size: 2.5rem;
    color: var(--link-color);
    margin-bottom: 1rem;
    transition: var(--theme-transition);
}

.skill-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    transition: var(--theme-transition);
}

.skill-item p {
    font-size: 0.95rem;
    opacity: 0.8;
    text-align: center;
    color: var(--text-color);
    transition: var(--theme-transition);
    margin-bottom: 1rem;
}

/* 技能进度条样式 */
.skill-progress {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--skill-item-border);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--link-color), #4fc3f7);
    border-radius: 4px;
    width: 0%;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--link-color);
    min-width: 40px;
    text-align: right;
    transition: var(--theme-transition);
}

/* GitHub 统计样式 */
.github-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    background: var(--skill-item-bg);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--skill-item-border);
    transition: var(--theme-transition);
}

.stat-item h3 {
    font-size: 1.2rem;
    color: var(--link-color);
    margin-bottom: 0.8rem;
    transition: var(--theme-transition);
}

.stat-item p {
    font-size: 0.95rem;
    opacity: 0.9;
    text-align: center;
    color: var(--text-color);
    transition: var(--theme-transition);
}

/* GitHub 链接 */
.github-link {
    text-align: center;
}

.github-link a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--link-color);
    text-decoration: none;
    font-size: 1.2rem;
    background: var(--skill-item-bg);
    padding: 12px 24px;
    border-radius: 25px;
    border: 1px solid var(--skill-item-border);
    transition: var(--theme-transition);
}

.github-link a:hover {
    transform: translateY(-2px);
    text-decoration: none;
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav {
        top: 10px;
        left: 10px;
    }
    
    .nav a {
        font-size: 1rem;
        padding: 8px 16px;
    }
    
    .container {
        padding: 70px 15px 80px;
    }
    
    .section {
        padding: 2rem;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .github-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .skill-item {
        padding: 1.2rem;
    }
    
    .skill-item i {
        font-size: 2rem;
    }
    
    .skill-progress {
        gap: 8px;
    }
    
    .progress-bar {
        height: 6px;
    }
    
    .progress-text {
        font-size: 0.8rem;
        min-width: 35px;
    }
}