/* 基础样式和重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --card-bg: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
}

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

/* 标题样式 */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* 链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    gap: 0.5rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-color));
}

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

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

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* 表单样式 */
.form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.form:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

/* 登录页面样式 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.login-form {
    max-width: 450px;
    width: 100%;
    text-align: center;
}

.login-title {
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-size: 2.5rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.login-title i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 2.25rem;
    vertical-align: middle;
}

.login-error {
    margin-top: 1rem;
    color: var(--danger-color);
    font-weight: 500;
    font-size: 0.95rem;
    animation: fadeIn 0.3s ease-in-out;
}

/* 表单组样式 */
.form-group {
    margin-bottom: 1.75rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: 0.025em;
    text-align: left;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background-color: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.form-group input:invalid:focus,
.form-group select:invalid:focus,
.form-group textarea:invalid:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* 表单操作区样式 */
.form-actions {
    margin-top: 2rem;
    text-align: center;
}

.form-actions .btn {
    min-width: 150px;
    font-size: 1rem;
    padding: 1rem 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* 响应式表单 */
@media (max-width: 768px) {
    .form {
        padding: 1.5rem;
    }
    
    .login-title {
        font-size: 2rem;
    }
    
    .login-title i {
        font-size: 1.75rem;
    }
    
    .form-actions .btn {
        width: 100%;
        min-width: auto;
    }
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    background-color: var(--card-bg);
    color: var(--text-primary);
    font-family: inherit;
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

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

.form-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.form-row .form-group {
    flex: 1;
    min-width: 280px;
}

.form-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* 顶部导航 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: rgba(255, 255, 255, 0.98);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.025em;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo i {
    color: var(--primary-color);
    font-size: 1.75rem;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

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

.nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.admin-link {
    font-size: 1.35rem;
    color: var(--text-secondary);
    transition: var(--transition);
    background-color: var(--light-bg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
}

.admin-link:hover {
    color: var(--primary-color);
    background-color: var(--card-bg);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* 标签过滤器 */
.tags-filter {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.tag-btn {
    padding: 0.625rem 1.25rem;
    background-color: var(--light-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.025em;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

.tag-btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.tag-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.tag-btn.active:hover {
    background: linear-gradient(135deg, var(--primary-hover), var(--secondary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 瀑布流画廊 */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (min-width: 768px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

@media (min-width: 1024px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    }
}

@media (min-width: 1280px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }
}

.gallery-item {
    background-color: var(--card-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 1;
    animation: fadeInUp 0.6s ease-out forwards;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }
.gallery-item:nth-child(7) { animation-delay: 0.7s; }
.gallery-item:nth-child(8) { animation-delay: 0.8s; }

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

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.gallery-item-private {
    position: relative;
    overflow: hidden;
}

.gallery-item-private::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    backdrop-filter: blur(2px);
    z-index: 1;
    transition: var(--transition);
}

.gallery-item-private::after {
    content: '🔒';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: white;
    z-index: 2;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.gallery-item-private:hover::after {
    transform: translate(-50%, -50%) scale(1.2);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-content {
    padding: 1.5rem;
    position: relative;
    z-index: 3;
    background: var(--card-bg);
}

.gallery-item-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    line-height: 1.4;
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-title {
    color: var(--primary-color);
}

.gallery-item-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.gallery-item-meta i {
    margin-right: 0.25rem;
    color: var(--primary-color);
}

.gallery-item-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.gallery-item-tag {
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--light-bg), rgba(255, 255, 255, 0.8));
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.gallery-item-tag:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

/* 加载更多按钮 */
.load-more {
    display: flex;
    justify-content: center;
    margin: 3rem 0;
    padding: 2rem;
}

.load-more .btn {
    min-width: 200px;
    padding: 1rem 2rem;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

/* 底部信息 */
.footer {
    background: linear-gradient(135deg, var(--dark-bg), #334155);
    color: white;
    padding: 3rem 0 2rem;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

.footer .container {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
    gap: 1rem;
}

.footer p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.footer a {
    color: var(--accent-color);
    margin: 0 0.25rem;
    font-weight: 700;
    transition: var(--transition);
    position: relative;
}

.footer a:hover {
    color: white;
    transform: translateY(-2px);
}

.footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.footer a:hover::after {
    width: 100%;
    background: white;
}

/* 编辑面板默认隐藏 */
.edit-panel {
    display: none;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.edit-panel.show {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

/* 确保后台页面body也使用flex布局 */
.admin-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 确保后台容器占满剩余空间 */
.admin-container {
    flex: 1;
}

/* 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, 0.7);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    margin: auto;
    padding: 0;
    border-radius: var(--radius-xl);
    width: 95%;
    max-width: 1000px;
    max-height: 95vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    color: var(--text-muted);
    float: right;
    font-size: 2.5rem;
    font-weight: 300;
    cursor: pointer;
    padding: 1rem 1.5rem;
    line-height: 1;
    transition: var(--transition);
    position: absolute;
    top: 0;
    right: 0;
    z-index: 10;
}

.close:hover,
.close:focus {
    color: var(--danger-color);
    transform: scale(1.2);
    text-decoration: none;
    cursor: pointer;
}

.modal-header {
    padding: 2rem 2rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    background: linear-gradient(135deg, var(--card-bg), var(--light-bg));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.75rem;
    color: var(--text-primary);
    width: 100%;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    background: var(--light-bg);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.modal-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    width: 100%;
}

.modal-tag {
    padding: 0.45rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

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

/* 预览容器 */
.preview-container {
    width: 100%;
    height: 500px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 后台管理页面样式 */
.admin-body {
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

/* 编辑面板默认隐藏 */
.edit-panel {
    display: none;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.login-form {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 450px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.login-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

.login-title {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    font-size: 2rem;
    font-weight: 800;
}

.login-title i {
    color: var(--primary-color);
    font-size: 2.25rem;
    animation: pulse 2s infinite;
}

.login-error {
    margin-top: 1rem;
    color: var(--danger-color);
    font-size: 0.95rem;
    text-align: center;
    background-color: rgba(239, 68, 68, 0.1);
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.admin-container {
    background-color: var(--light-bg);
    min-height: 100vh;
    background-image: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.admin-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.admin-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    letter-spacing: -0.025em;
}

.admin-logo i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

.admin-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.admin-main {
    padding: 2.5rem 0;
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    flex-wrap: wrap;
    gap: 1rem;
}

.publish-status {
    font-size: 0.95rem;
    color: var(--success-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    background-color: rgba(16, 185, 129, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.edit-panel {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.pages-list-container {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.sortable-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.sortable-item {
    background: linear-gradient(135deg, var(--card-bg), rgba(255, 255, 255, 0.8));
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    cursor: move;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.sortable-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transform: scaleY(0);
    transition: var(--transition);
}

.sortable-item:hover {
    background: var(--card-bg);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.sortable-item:hover::before {
    transform: scaleY(1);
}

.sortable-item.dragging {
    opacity: 0.7;
    transform: rotate(3deg) scale(1.05);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.sortable-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.sortable-item-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    flex: 1;
    transition: var(--transition);
}

.sortable-item:hover .sortable-item-title {
    color: var(--primary-color);
}

.sortable-item-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.sortable-item-action {
    font-size: 1rem;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    color: white;
}

.action-edit {
    background-color: var(--primary-color);
}

.action-edit:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.action-delete:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.action-preview:hover {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.sortable-item-content {
    color: var(--text-secondary);
}

.sortable-item-description {
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.sortable-item-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.sortable-item-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sortable-item-status strong {
    color: var(--primary-color);
}

.sortable-item-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* 添加页面模态框选项卡 */
.add-page-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}

.add-page-tabs::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
    border-radius: 2px;
}

.tab-btn {
    padding: 0.75rem 1.75rem;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    z-index: 1;
}

.tab-btn:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: transparent;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

/* 页面预览页面样式 */
.view-body {
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.view-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.view-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.view-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
    color: var(--text-primary);
    flex: 1;
}

.password-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    background-color: var(--light-bg);
    background-image: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 2rem;
}

.password-form-container {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 480px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.password-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.password-error {
    margin-top: 1rem;
    color: var(--danger-color);
    font-size: 0.95rem;
    background-color: rgba(239, 68, 68, 0.1);
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    text-align: center;
}

.view-main {
    min-height: 80vh;
}

.preview-container-full {
    width: 100%;
    height: calc(100vh - 100px);
    border: none;
    overflow: hidden;
}

.preview-iframe-full {
    width: 100%;
    height: 100%;
    border: none;
}

.error-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    background-color: var(--light-bg);
    padding: 2rem;
}

.error-content {
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 550px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.error-icon {
    font-size: 4rem;
    color: var(--danger-color);
    margin-bottom: 1.5rem;
    animation: bounce 1s ease-in-out;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.error-content h2 {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.75rem;
}

.error-content p {
    margin-bottom: 2rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header .container {
        padding: 0.75rem 15px;
    }

    .logo {
        font-size: 1.5rem;
    }

    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1.5rem;
    }

    .form-row {
        flex-direction: column;
        gap: 1rem;
    }

    .form-row .form-group {
        min-width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .modal-content {
        width: 95%;
        margin: 10px;
        max-height: 95vh;
    }

    .preview-container {
        height: 350px;
    }

    .admin-header .container {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .admin-actions {
        width: 100%;
        justify-content: space-between;
    }

    .sortable-list {
        grid-template-columns: 1fr;
    }

    .view-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .back-btn {
        width: 100%;
        justify-content: center;
    }

    .tags-filter {
        padding: 1rem;
    }

    .login-form,
    .password-form-container {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .gallery {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .tag-btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

    .admin-toolbar {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
        padding: 1rem;
    }

    .publish-btn {
        width: 100%;
    }

    .login-title,
    .admin-logo {
        font-size: 1.5rem;
    }

    .error-content {
        padding: 2rem 1.5rem;
    }

    .error-icon {
        font-size: 3rem;
    }

    .error-content h2 {
        font-size: 1.5rem;
    }
}

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

::-webkit-scrollbar-track {
    background: var(--light-bg);
    border-radius: 4px;
}

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

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

/* 选择文本样式 */
::selection {
    background-color: rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
}

/* 焦点样式 */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 禁用状态 */
*:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 状态消息样式 */
.status-message {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    animation: slideInRight 0.3s ease;
    font-weight: 600;
    max-width: 350px;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.status-success {
    background-color: rgba(16, 185, 129, 0.95);
    color: white;
    border-left: 4px solid #059669;
}

.status-error {
    background-color: rgba(239, 68, 68, 0.95);
    color: white;
    border-left: 4px solid #dc2626;
}

.status-info {
    background-color: rgba(59, 130, 246, 0.95);
    color: white;
    border-left: 4px solid #2563eb;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-item {
    animation: fadeIn 0.5s ease;
}

/* 加载动画 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spin {
    animation: spin 1s linear infinite;
}

/* 懒加载样式 */
.gallery-item img {
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.gallery-item img.lazyload {
    opacity: 0;
}

.gallery-item img.lazyloaded {
    opacity: 1;
}