/* 管理系统CSS样式 */
:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --dark-color: #34495e;
    --light-color: #ecf0f1;
    --gray-color: #95a5a6;
    --border-color: #ddd;
    --sidebar-width: 240px;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #f8f9fa;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #3498db, #2c3e50);
}

.login-box {
    width: 400px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.login-form .form-item {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.login-error {
    color: var(--danger-color);
    margin-bottom: 15px;
    font-size: 14px;
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-button:hover {
    background-color: var(--primary-dark);
}

.login-button:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--dark-color);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar .logo {
    padding: 20px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .logo h2 {
    font-size: 18px;
    text-align: center;
}

.sidebar .menu {
    padding: 15px 0;
}

.sidebar .menu-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.sidebar .menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .menu-item.active {
    background-color: var(--primary-color);
}

.sidebar .menu-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content .header {
    background-color: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.main-content .header .title {
    font-size: 18px;
    font-weight: 500;
}

.main-content .header .user-info {
    display: flex;
    align-items: center;
}

.logout-btn {
    margin-left: 15px;
    padding: 5px 12px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.logout-btn:hover {
    background-color: #f1f1f1;
}

.content-wrapper {
    padding: 30px;
    flex: 1;
}

.section-content {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

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

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

.form-help {
    margin-top: 5px;
    color: #666;
    font-size: 12px;
}

.form-help a {
    color: #2196F3;
    text-decoration: none;
}

.form-help a:hover {
    text-decoration: underline;
}

.image-upload {
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.image-upload .preview {
    width: 120px;
    height: 120px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    margin-right: 15px;
}

.image-upload .preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-upload .delete-icon {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.image-upload .delete-icon:hover {
    background-color: var(--danger-color);
    color: white;
}

.image-upload .upload-btn {
    width: 120px;
    height: 120px;
    border: 2px dashed var(--border-color);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.image-upload .upload-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.image-upload .upload-btn i {
    font-size: 24px;
    margin-bottom: 10px;
}

.footer {
    background-color: white;
    padding: 20px 30px;
    display: flex;
    justify-content: flex-end;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.save-btn {
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.save-btn:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
}

/* Banner管理 */
.banner-list, .service-list, .team-list, .client-list {
    margin-bottom: 20px;
}

.banner-item, .service-item, .team-item, .client-item {
    background-color: #f8f9fa;
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
}

.banner-header, .service-header, .team-header, .client-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.banner-header h3, .service-header h3, .team-header h3, .client-header h3 {
    font-size: 16px;
    margin: 0;
}

.delete-btn {
    padding: 5px 12px;
    background-color: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.add-banner button, .add-service button, .add-team button, .add-client button {
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.add-banner button:hover, .add-service button:hover, .add-team button:hover, .add-client button:hover {
    background-color: #27ae60;
}

/* 上传管理 */
.upload-manager {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.upload-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.upload-header h3 {
    margin: 0;
    font-size: 16px;
}

.upload-new {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-new:hover {
    background-color: var(--primary-dark);
}

.upload-new i {
    margin-right: 8px;
}

.upload-loading {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 15px;
}

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

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.image-item {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s;
}

.image-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.image-item.selectable {
    cursor: pointer;
}

.image-preview {
    height: 150px;
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-info {
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.image-name {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
}

.no-images {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 0;
    color: var(--gray-color);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 800px;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.close-modal {
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-color);
}

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

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab {
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

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

.existing-images {
    max-height: 400px;
    overflow-y: auto;
}

.new-upload {
    padding: 20px 0;
}

.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 6px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-dropzone:hover {
    border-color: var(--primary-color);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.upload-placeholder i {
    font-size: 48px;
    color: var(--gray-color);
    margin-bottom: 15px;
}

.preview-container {
    display: flex;
    justify-content: center;
}

.preview-container img {
    max-width: 100%;
    max-height: 300px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.modal-footer button {
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 10px;
}

.modal-footer button:first-child {
    background-color: transparent;
    border: 1px solid var(--border-color);
}

.modal-footer button.primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.modal-footer button.primary:hover {
    background-color: var(--primary-dark);
}

.modal-footer button.primary:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .sidebar {
        width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
    
    .content-wrapper {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .login-box {
        width: 90%;
        padding: 25px;
    }
    
    .sidebar {
        width: 0;
        transition: width 0.3s;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 15px;
    }
    
    .section-content {
        padding: 15px;
    }
    
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        padding: 15px;
    }
}

/* 特效设置样式 */
.preview-section {
    margin-top: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.preview-section h4 {
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--dark-color);
}

.progress-preview {
    position: relative;
    width: 100%;
    height: 8px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.preview-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform-origin: left;
    border-radius: 4px;
}

.preview-percentage {
    position: absolute;
    top: -25px;
    right: 0;
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 10px;
}

.preview-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.preview-controls button {
    padding: 6px 12px;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.preview-controls button:hover {
    background-color: var(--primary-color);
    color: white;
}

.preview-controls button:last-child {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.preview-controls button:last-child:hover {
    background-color: #27ae60;
}

/* 开关样式 */
.switch-control {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.switch-control input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-control label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.switch-control label:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

.switch-control input:checked + label {
    background-color: var(--primary-color);
}

.switch-control input:focus + label {
    box-shadow: 0 0 1px var(--primary-color);
}

.switch-control input:checked + label:before {
    transform: translateX(30px);
}

/* 进度条彩虹效果 */
.scroll-progress-rainbow .preview-progress-bar {
    background: linear-gradient(
        90deg,
        #ff0000, #ff7300, #fffb00, #48ff00, 
        #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000
    );
    background-size: 200% 100%;
    animation: rainbow-move 4s linear infinite;
}

@keyframes rainbow-move {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* 脉冲光效果 */
.scroll-progress-pulse .preview-progress-bar {
    position: relative;
    overflow: hidden;
}

.scroll-progress-pulse .preview-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: 100px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: pulse-beam 2s infinite;
}

@keyframes pulse-beam {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(1000%); }
}

/* 霓虹灯效果 */
.scroll-progress-neon .preview-progress-bar {
    background: var(--primary-color);
    box-shadow: 0 0 10px 1px var(--primary-color),
                0 0 15px 2px var(--primary-color);
}

/* 双层进度条效果 */
.scroll-progress-double {
    height: 16px !important;
    display: flex;
    flex-direction: column;
}

.scroll-progress-double .preview-progress-bar {
    height: 50%;
    background: var(--primary-color);
}

.scroll-progress-double::after {
    content: '';
    height: 50%;
    background: var(--secondary-color);
    transform-origin: left;
    transform: scaleX(0.3); /* 延迟效果模拟 */
}

/* 分段进度条 */
.scroll-progress-segmented .preview-progress-bar {
    background-image: repeating-linear-gradient(
        90deg,
        var(--primary-color) 0px,
        var(--primary-color) 20px,
        var(--secondary-color) 20px,
        var(--secondary-color) 40px
    );
    background-size: 200% 100%;
    animation: segment-slide 3s linear infinite;
}

@keyframes segment-slide {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* 带有百分比指示的进度条 */
.scroll-progress-with-indicator {
    height: auto !important;
    display: flex;
    align-items: center;
}

.scroll-progress-with-indicator .preview-progress-bar {
    flex-grow: 1;
}

@media (max-width: 768px) {
    .sidebar {
        width: 220px;
    }
    
    .main-content {
        margin-left: 220px;
    }
    
    .content-wrapper {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    .login-box {
        width: 90%;
        padding: 25px;
    }
    
    .sidebar {
        width: 0;
        transition: width 0.3s;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-wrapper {
        padding: 15px;
    }
    
    .section-content {
        padding: 15px;
    }
    
    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
        padding: 15px;
    }
}