/* 基础样式 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --background-color: #1a1a2e;
    --surface-color: #16213e;
    --text-color: #ecf0f1;
    --text-secondary: #bdc3c7;
    --code-bg: #0f3460;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s, background-color 0.3s;
}

a:hover {
    color: var(--accent-color);
}

/* 导航栏样式 */
.navbar {
    background-color: var(--surface-color);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo a {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--text-color);
}

.logo img {
    height: 40px;
    margin-right: 10px;
    border-radius: 4px;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 2rem;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: var(--secondary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

/* 主要内容区域 */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    width: 100%;
}

/* 首页样式 */
.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--secondary-color);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--secondary-color) }
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.code-window {
    background-color: var(--code-bg);
    border-radius: 8px;
    overflow: hidden;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.window-header {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 6px;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27ca3f; }

.window-content {
    padding: 1.5rem;
}

.window-content pre {
    margin: 0;
    overflow-x: auto;
}

.window-content code {
    color: #8be9fd;
    font-size: 1rem;
}

/* 照片展示区域 */
.photo-showcase {
    margin: 4rem 0;
}

.photo-showcase h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.photo-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    aspect-ratio: 4/3;
    background-color: var(--surface-color);
}

.photo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 1rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.photo-item:hover .photo-overlay {
    transform: translateY(0);
}

.view-more {
    text-align: center;
}

/* 加载状态样式 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误状态样式 */
.error-state {
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 8px;
    border: 1px solid var(--error-color);
}

/* 无照片状态样式 */
.no-photos {
    background-color: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* 照片项增强样式 */
.photo-item {
    cursor: pointer;
    transition: all 0.3s ease;
}

.photo-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.photo-item img {
    transition: transform 0.3s ease;
}

.photo-item:hover img {
    transform: scale(1.05);
}

/* 私有云区域 */
.private-cloud {
    margin: 4rem 0;
    padding: 2rem;
    background-color: var(--surface-color);
    border-radius: 8px;
    text-align: center;
}

.private-cloud h2 {
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.cloud-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.cloud-icon {
    margin-bottom: 1.5rem;
}

.cloud-info h3 {
    margin-bottom: 1rem;
}

.cloud-info p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
    text-align: center;
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #27ae60;
}

.btn-warning {
    background-color: var(--warning-color);
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-error {
    background-color: var(--error-color);
}

.btn-error:hover {
    background-color: #c0392b;
}

/* 关于我页面样式 */
.about-section {
    max-width: 800px;
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: 3rem;
}

.about-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.about-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.about-content {
    margin-top: 2rem;
}

.profile-card {
    display: flex;
    background-color: var(--surface-color);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.profile-image {
    flex: 0 0 150px;
    margin-right: 2rem;
}

.profile-image img {
    width: 100%;
    border-radius: 8px;
}

.profile-info h2 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.title {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.social-link {
    background-color: var(--code-bg);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.detail-section {
    margin-bottom: 2.5rem;
}

.detail-section h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.skills {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.skill-category h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.quote {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-left: 4px solid var(--secondary-color);
    margin-top: 1rem;
    font-style: italic;
}

/* 作品展示页面样式 */
.gallery-section {
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-header {
    text-align: center;
    margin-bottom: 3rem;
}

.gallery-header h1 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.gallery-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.filter-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

.sort-options select {
    background-color: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 4px;
    font-family: inherit;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.load-more {
    text-align: center;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--surface-color);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 700px;
    position: relative;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.image-modal-content {
    max-width: 90%;
    display: flex;
    flex-direction: column;
}

.image-modal-content img {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.image-info {
    padding: 1rem 0;
}

.image-info h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.image-info p {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.close {
    color: var(--text-secondary);
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    transition: color 0.3s;
}

.close:hover {
    color: var(--text-color);
}

/* 页脚样式 */
.footer {
    background-color: var(--surface-color);
    padding: 3rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.contact-info ul {
    list-style: none;
}

.contact-info li {
    margin-bottom: 0.5rem;
}

.copyright {
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 后台管理样式 */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-nav {
    background-color: var(--surface-color);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.admin-nav ul {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.admin-nav a {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.admin-nav a.active,
.admin-nav a:hover {
    background-color: var(--secondary-color);
    color: white;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    background-color: var(--surface-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.data-table th,
.data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--code-bg);
    color: var(--secondary-color);
}

.action-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 0.5rem;
    font-size: 0.8rem;
    transition: background-color 0.3s;
}

.action-btn:hover {
    background-color: #2980b9;
}

.action-btn.delete {
    background-color: var(--error-color);
}

.action-btn.delete:hover {
    background-color: #c0392b;
}

.form-container {
    background-color: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--success-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    font-weight: bold;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #27ae60;
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
}

.featured-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background-color: var(--success-color);
    color: white;
    border-radius: 4px;
    font-size: 0.8rem;
}

.message-row.unread {
    background-color: rgba(52, 152, 219, 0.1);
}

.message-actions {
    display: flex;
    gap: 0.5rem;
}

.logout-btn {
    background-color: var(--error-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: background-color 0.3s;
}

.logout-btn:hover {
    background-color: #c0392b;
}

/* 删除确认模态框 */
.confirm-modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.confirm-content {
    background-color: var(--surface-color);
    margin: 20% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.confirm-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}




/* 图片错误状态 */
.photo-item.image-error {
    background-color: var(--surface-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-item.image-error::before {
    content: "图片加载失败";
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 确保图片容器有固定高度 */
.photo-item {
    min-height: 200px;
    background-color: var(--surface-color);
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}