/* ACG Memo - 个人博客样式表 */

/* 基础重置和变量 */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;
    --warning-color: #f59e0b;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo a:hover {
    color: var(--secondary-color);
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
}

/* 主页横幅样式 */
.hero {
    margin-top: 70px;
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.highlight {
    color: #fbbf24;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.hero-image {
    text-align: center;
    animation: slideInRight 1s ease-out;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* 通用区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 博客区域样式 */
.blog-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out;
}

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

.blog-image {
    position: relative;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.blog-card:hover .blog-image img {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    margin-bottom: 1rem;
}

.blog-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-title {
    margin-bottom: 1rem;
}

.blog-title a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 600;
    transition: var(--transition);
}

.blog-title a:hover {
    color: var(--primary-color);
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
}

/* 关于我区域样式 */
.about-section {
    padding: 80px 0;
}

.about-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: center;
    padding: 2rem 0;
}

.about-image {
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--primary-color);
    transition: all 0.3s ease;
    opacity: 1 !important; /* 确保头像始终可见 */
    display: block;
}

.about-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}



.about-content .section-header {
    text-align: left;
    margin-bottom: 2rem;
}

.about-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.skills h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* 联系区域样式 */
.contact-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-details h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--text-secondary);
}

.contact-details p a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details p a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* 页脚样式 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 2rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* 小站状态样式 */
.site-status {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.status-icon {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

.status-text {
    color: var(--primary-color);
    font-weight: 500;
}

.runtime-display {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 8px;
    padding: 0.6rem;
    text-align: center;
}

.runtime-text {
    color: var(--accent-color);
    font-weight: 500;
    display: block;
    margin-bottom: 0.4rem;
}

.runtime-counter {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    color: var(--accent-color);
    font-size: 1rem;
    letter-spacing: 1px;
}

.time-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.flip-card {
    background-color: transparent;
    width: 40px;
    height: 48px;
    perspective: 1200px;
    position: relative;
    transition: all 0.3s ease;
}

.flip-card.flipping {
    transform: translateY(-2px);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
}

.flip-card.flip-complete {
    transform: translateY(0);
    filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.2));
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.flip-card.flipping .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
}

.flip-card-front::before,
.flip-card-back::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: left 0.6s ease;
}

.flip-card.flipping .flip-card-front::before,
.flip-card.flipping .flip-card-back::before {
    left: 100%;
}

.flip-card-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, #10b981, #059669);
}

.unit-label {
    color: #059669;
    font-size: 0.8rem;
    font-weight: 500;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
    transition: all 0.3s ease;
}

.time-unit:hover .unit-label {
    transform: scale(1.05);
    text-shadow: 0 0 15px rgba(16, 185, 129, 0.5);
}

.time-unit:hover .flip-card {
    transform: translateY(-2px);
}

.flip-card-front, .flip-card-back {
    transition: all 0.3s ease;
}

.time-unit:hover .flip-card-front,
.time-unit:hover .flip-card-back {
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.sync-status {
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.sync-indicator {
    font-size: 1rem;
    animation: rotate 2s linear infinite;
}

.sync-status.online .sync-indicator {
    animation: none;
}

.sync-status.online {
    background: rgba(16, 185, 129, 0.1);
}

.sync-status.offline {
    background: rgba(239, 68, 68, 0.1);
}

.sync-text {
    color: var(--text-secondary);
    font-weight: 500;
}

.sync-status.online .sync-text {
    color: var(--accent-color);
}

.sync-status.offline .sync-text {
    color: #ef4444;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.cute-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 8px;
}

.bear-icon {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

.message-text {
    color: var(--warning-color);
    font-weight: 500;
    font-style: italic;
}

/* 动画效果 */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}



/* 响应式调整 */
@media (max-width: 768px) {
    .site-status {
        gap: 0.75rem;
    }
    
    .status-item,
    .runtime-display,
    .cute-message {
        padding: 0.5rem;
    }
    
    .runtime-counter {
        font-size: 1rem;
        gap: 0.75rem;
    }
    
    .flip-card {
        width: 40px;
        height: 50px;
    }
    
    .flip-card-front, .flip-card-back {
        font-size: 1.2rem;
    }
    
    .unit-label {
        font-size: 0.8rem;
    }
}

/* 动画效果 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .about-content .section-header {
        text-align: center;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .skill-tags {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}