/* 项目详情页样式 */
:root {
    --project-header-height: 60px;
    --project-content-width: 1200px;
    --project-sidebar-width: 300px;
    --project-nav-bg: #ffffff;
    --project-nav-bg-scrolled: rgba(255, 255, 255, 0.95);
    --project-card-bg: #ffffff;
    --project-card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --project-card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --project-text-primary: #333333;
    --project-text-secondary: #666666;
    --project-border-color: #eeeeee;
    --project-link-color: #00bcd4;
    --project-link-hover-color: #008ba3;
    --project-btn-primary-bg: #00bcd4;
    --project-btn-primary-hover: #008ba3;
    --project-btn-secondary-bg: #f8f9fa;
    --project-btn-secondary-hover: #e2e8f0;
    --project-accent-color: #3b82f6;
    --project-tech-gradient: linear-gradient(135deg, #00bcd4, #3f51b5);
}

/* 暗色模式变量 */
@media (prefers-color-scheme: dark) {
    :root {
        --project-nav-bg: #1e293b;
        --project-nav-bg-scrolled: rgba(30, 41, 59, 0.95);
        --project-card-bg: #1e293b;
        --project-card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
        --project-card-hover-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
        --project-text-primary: #f8f9fa;
        --project-text-secondary: #cbd5e0;
        --project-border-color: #2d3748;
        --project-link-color: #00bcd4;
        --project-link-hover-color: #4dd0e1;
        --project-btn-primary-bg: #00bcd4;
        --project-btn-primary-hover: #4dd0e1;
        --project-btn-secondary-bg: #2d3748;
        --project-btn-secondary-hover: #1e293b;
    }
}

/* 项目导航栏 */
.project-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--project-header-height);
    background-color: var(--project-nav-bg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.project-nav.scrolled {
    background-color: var(--project-nav-bg-scrolled);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.back-link {
    display: flex;
    align-items: center;
    color: var(--project-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--project-link-color);
}

.project-nav-links {
    display: flex;
    gap: 2rem;
}

.project-nav-link {
    color: var(--project-text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.project-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--project-link-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-nav-link:hover,
.project-nav-link.active {
    color: var(--project-link-color);
}

.project-nav-link:hover::after,
.project-nav-link.active::after {
    transform: scaleX(1);
}

/* 项目内容布局 */
.project-detail {
    padding-top: calc(var(--project-header-height) + 2rem);
    min-height: 100vh;
    background-color: var(--project-card-bg);
    margin-bottom: 10px;
}

.project-content {
    display: grid;
    grid-template-columns: 1fr var(--project-sidebar-width);
    gap: 2rem;
    max-width: var(--project-content-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* 主要内容区 */
.project-main {
    background-color: var(--project-card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--project-card-shadow);
    transition: box-shadow 0.3s ease;
    animation: fadeIn 0.5s ease-out;
    border: 1px solid var(--project-border-color);
}

.project-main:hover {
    box-shadow: var(--project-card-hover-shadow);
}

.project-header {
    padding: 2rem;
    border-bottom: 1px solid var(--project-border-color);
}

.project-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--project-text-primary);
    margin-bottom: 1rem;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    color: var(--project-text-secondary);
}

.project-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
}

.project-tech span {
    padding: 0.25rem 0.75rem;
    background-color: var(--project-btn-secondary-bg);
    border-radius: 9999px;
    font-size: 0.875rem;
    color: var(--project-text-secondary);
    transition: all 0.3s ease;
}

.project-tech span:hover {
    background-color: var(--project-link-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-description {
    padding: 2rem;
}

.project-description h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--project-text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.project-description h2 i {
    color: var(--project-link-color);
}

.project-description p {
    color: var(--project-text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-description ul {
    list-style-type: none;
    padding: 0;
}

.project-description li {
    color: var(--project-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.project-description li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--project-link-color);
}

/* 项目展示区 */
.project-gallery {
    padding: 2rem;
}

.project-images-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.project-image-item {
    flex: 1;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--project-card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-image-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--project-card-hover-shadow);
}

.project-image-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.9rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-image-item:hover .image-caption {
    transform: translateY(0);
}

/* 项目链接 */
.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn.primary {
    background-color: var(--project-btn-primary-bg);
    color: white;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn.primary:hover {
    background-color: var(--project-btn-primary-hover);
}

.btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn.primary:hover::before {
    left: 100%;
}

.btn.secondary {
    background-color: var(--project-btn-secondary-bg);
    color: var(--project-text-primary);
}

.btn.secondary:hover {
    background-color: var(--project-btn-secondary-hover);
}

/* APK下载按钮专用样式 */
.btn.download-apk {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    position: relative;
    overflow: hidden;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    transition: all 0.3s ease;
}

.btn.download-apk:hover {
    background: linear-gradient(135deg, #e55a2b, #df8419);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    color: white;
}

.btn.download-apk::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn.download-apk:hover::before {
    left: 100%;
}

.btn.download-apk i {
    margin-right: 8px;
    animation: downloadPulse 2s infinite;
}

@keyframes downloadPulse {
    0%, 100% { 
        transform: scale(1); 
    }
    50% { 
        transform: scale(1.1); 
    }
}

/* GitHub按钮专用样式 */
.btn.github {
    background: linear-gradient(135deg, #333333, #24292e);
    color: white;
    position: relative;
    overflow: hidden;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(36, 41, 46, 0.3);
    transition: all 0.3s ease;
}

.btn.github:hover {
    background: linear-gradient(135deg, #24292e, #1b1f23);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(36, 41, 46, 0.4);
    color: white;
}

.btn.github::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn.github:hover::before {
    left: 100%;
}

.btn.github i {
    margin-right: 8px;
    animation: githubPulse 3s infinite;
}

@keyframes githubPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 访问网站按钮专用样式 */
.btn.visit-site {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    position: relative;
    overflow: hidden;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.btn.visit-site:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    color: white;
}

.btn.visit-site::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn.visit-site:hover::before {
    left: 100%;
}

.btn.visit-site i {
    margin-right: 8px;
    animation: visitPulse 2.5s infinite;
}

@keyframes visitPulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(-2deg); }
    75% { transform: scale(1.1) rotate(2deg); }
}

/* API访问按钮专用样式 */
.btn.api-access {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
    position: relative;
    overflow: hidden;
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

.btn.api-access:hover {
    background: linear-gradient(135deg, #7c3aed, #6d28d9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
    color: white;
}

.btn.api-access::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.btn.api-access:hover::before {
    left: 100%;
}

.btn.api-access i {
    margin-right: 8px;
    animation: apiPulse 2s infinite;
}

@keyframes apiPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08) rotateY(5deg); }
}

/* 侧边栏 */
.project-sidebar {
    position: sticky;
    top: calc(var(--project-header-height) + 2rem);
    height: fit-content;
}

.project-info-card {
    background-color: var(--project-card-bg);
    border-radius: 0.5rem;
    box-shadow: var(--project-card-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
    animation-delay: 0.2s;
    animation-fill-mode: both;
    border: 1px solid var(--project-border-color);
}

.project-info-card:hover {
    box-shadow: var(--project-card-hover-shadow);
    transform: translateY(-5px);
}

.info-card-header {
    padding: 1rem;
    background-color: var(--project-btn-secondary-bg);
    border-bottom: 1px solid var(--project-border-color);
    position: relative;
    overflow: hidden;
}

.info-card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--project-tech-gradient);
}

.info-card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--project-text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card-body {
    padding: 1rem;
}

.info-list {
    list-style-type: none;
    padding: 0;
}

.info-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--project-text-secondary);
    padding: 0.5rem 0;
}

.info-list li i {
    color: var(--project-link-color);
    width: 1.25rem;
}

/* 图片放大模态框样式 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    padding: 20px;
    box-sizing: border-box;
    overflow: auto;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

.modal-close {
    position: fixed;
    right: 35px;
    top: 25px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10000;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    color: var(--project-link-color);
    transform: rotate(90deg);
}

.zoomable-image {
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.zoomable-image:hover {
    transform: scale(1.02);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    :root {
        --project-content-width: 100%;
    }
    
    .project-content {
        grid-template-columns: 1fr;
    }
    
    .project-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .project-nav-links {
        display: none;
    }
    
    .project-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .project-images-row {
        flex-direction: column;
    }
    
    .project-image-item {
        margin-bottom: 1.5rem;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }

    .image-caption {
        transform: translateY(0);
        position: relative;
        background: var(--project-card-bg);
        color: var(--project-text-primary);
        border-top: 1px solid var(--project-border-color);
    }

    .project-image-item:hover .image-caption {
        transform: translateY(0);
    }

    .modal-content {
        max-width: 95%;
    }
    
    .modal-close {
        right: 15px;
        top: 15px;
        font-size: 30px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.project-main {
    animation: fadeIn 0.5s ease-out;
}

.project-info-card {
    animation: fadeIn 0.5s ease-out;
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

.mobile-menu-button span {
    background-color: var(--project-text-primary);
}

.mobile-menu-button.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    background-color: var(--project-link-color);
}

.mobile-menu-button.active span:nth-child(2) {
    opacity: 0;
    background-color: var(--project-link-color);
}

.mobile-menu-button.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--project-link-color);
}