/* ==================== 项目展示 ==================== */
.projects-container {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.project-category {
    width: 100%;
}

.category-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-title i {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-color), transparent);
    margin-left: 12px;
}

/* 悬停提示文字 */
.hover-hint {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.category-title:hover .hover-hint {
    opacity: 1;
    color: var(--accent-primary);
}

/* 项目卡片网格 */
.project-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    overflow: visible;
}

/* 单个项目卡片 */
.project-card {
    position: relative;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: default;
    overflow: visible;
    z-index: 1;
}

.project-card:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.03);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
    z-index: 10;
}

/* 卡片头部 */
.card-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.project-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

/* 技术标签容器 */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* 技术标签 */
.project-tag {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 4px;
    font-weight: 500;
    white-space: nowrap;
}

/* 不同技术标签颜色 */
.c-language {
    background: rgba(86, 156, 214, 0.15);
    color: #569cd6;
    border: 1px solid rgba(86, 156, 214, 0.3);
}

.cpp-language {
    background: rgba(0, 122, 204, 0.15);
    color: #4ec9b0;
    border: 1px solid rgba(0, 122, 204, 0.3);
}

.java-language {
    background: rgba(244, 143, 17, 0.15);
    color: #f48f11;
    border: 1px solid rgba(244, 143, 17, 0.3);
}

.js-language {
    background: rgba(247, 223, 30, 0.15);
    color: #f7df1e;
    border: 1px solid rgba(247, 223, 30, 0.3);
}

.html-language {
    background: rgba(227, 79, 38, 0.15);
    color: #e34f26;
    border: 1px solid rgba(227, 79, 38, 0.3);
}

.css-language {
    background: rgba(21, 114, 182, 0.15);
    color: #1572b6;
    border: 1px solid rgba(21, 114, 182, 0.3);
}

.go-language {
    background: rgba(0, 173, 216, 0.15);
    color: #00add8;
    border: 1px solid rgba(0, 173, 216, 0.3);
}

.react-language {
    background: rgba(97, 218, 251, 0.15);
    color: #61dafb;
    border: 1px solid rgba(97, 218, 251, 0.3);
}

.wechat-language {
    background: rgba(9, 187, 7, 0.15);
    color: #09bb07;
    border: 1px solid rgba(9, 187, 7, 0.3);
}

.wails-language {
    background: rgba(255, 107, 53, 0.15);
    color: #ff6b35;
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.docs-language {
    background: rgba(255, 193, 7, 0.15);
    color: #ffc107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

/* 项目归属 */
.project-belong {
    font-size: 0.8rem;
    color: var(--accent-secondary);
    margin-bottom: 8px;
}

/* 项目备注 */
.project-note {
    font-size: 0.8rem;
    color: var(--warning);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-note::before {
    content: '◆';
    font-size: 0.6rem;
}

/* 考核成绩标签 */
.project-grade {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    padding: 3px 10px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 4px;
    color: var(--success);
    font-weight: 500;
}

/* 悬浮气泡 - 软著图片 */
.project-bubble {
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%) translateX(10px);
    width: 400px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--accent-primary);
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px var(--glow-color);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
    pointer-events: none;
}

.project-card:hover .project-bubble {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(16px);
}

.project-bubble::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -8px;
    transform: translateY(-50%);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid var(--accent-primary);
}

.project-bubble::after {
    content: '';
    position: absolute;
    top: 50%;
    left: -7px;
    transform: translateY(-50%);
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-right: 7px solid var(--bg-card);
}

/* 课程设计气泡 - 较小尺寸 */
.project-bubble.bubble-small {
    width: 220px;
    padding: 10px;
}

/* 气泡显示在左侧 */
.project-bubble.bubble-left {
    left: auto;
    right: 100%;
    transform: translateY(-50%) translateX(-10px);
}

.project-card:hover .project-bubble.bubble-left {
    transform: translateY(-50%) translateX(-16px);
}

.project-bubble.bubble-left::before {
    left: auto;
    right: -8px;
    border-left: 8px solid var(--accent-primary);
    border-right: none;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.project-bubble.bubble-left::after {
    left: auto;
    right: -7px;
    border-left: 7px solid var(--bg-card);
    border-right: none;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
}

.project-bubble img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

/* 链接卡片样式 */
.project-link {
    text-decoration: none;
    display: block;
    color: inherit;
}

.project-link:hover {
    color: inherit;
}

/* 外部链接图标 */
.link-icon {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.project-card:hover .link-icon {
    color: var(--accent-primary);
    transform: translate(2px, -2px);
}

/* 项目描述 */
.project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .projects-container {
        gap: 32px;
    }
    
    .project-cards {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    .project-cards {
        gap: 12px;
    }
    
    .project-card {
        padding: 14px;
    }
    
    .project-name {
        font-size: 0.95rem;
    }
}