/* 全局样式 */
:root {
    --primary-color: #4285f4;
    --secondary-color: #fbbc05;
    --success-color: #34a853;
    --danger-color: #ea4335;
    --light-bg: #f5f5f5;
    --dark-bg: #202124;
    --light-text: #202124;
    --dark-text: #e8eaed;
    --card-bg-light: rgba(255, 255, 255, 0.85);
    --card-bg-dark: rgba(32, 33, 36, 0.85);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-dark: 0 2px 10px rgba(0, 0, 0, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--light-text);
    min-height: 100vh;
    transition: var(--transition);
    background-image: linear-gradient(120deg, #e0f7fa, #fff8e1);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
    background-image: linear-gradient(120deg, #263238, #1a237e);
}

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

/* 顶部搜索栏 */
.search-container {
    margin-bottom: 20px;
}

.search-bar {
    display: flex;
    flex-direction: column;
    background-color: var(--card-bg-light);
    border-radius: var(--border-radius);
    padding: 15px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.dark-mode .search-bar {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.search-engines {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.search-engine {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
    border-radius: 50%;
}

.search-engine:hover {
    transform: scale(1.2);
    opacity: 1;
}

.search-engine.active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.add-engine {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: var(--transition);
}

.add-engine:hover {
    transform: scale(1.2);
    background-color: var(--secondary-color);
}

.search-input-container {
    display: flex;
    width: 100%;
}

#search-input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    font-size: 16px;
    outline: none;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.9);
}

.dark-mode #search-input {
    background-color: rgba(32, 33, 36, 0.9);
    color: var(--dark-text);
}

#search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.3);
}

#search-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0 20px;
    margin-left: 10px;
    cursor: pointer;
    transition: var(--transition);
}

#search-button:hover {
    background-color: #3367d6;
    transform: translateY(-2px);
}

/* 实用信息栏 */
.info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    background-color: var(--card-bg-light);
    border-radius: var(--border-radius);
    padding: 12px 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    font-size: 14px;
    transition: var(--transition);
}

.dark-mode .info-bar {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.info-item {
    display: flex;
    align-items: center;
}

.info-label {
    font-weight: 600;
    margin-right: 5px;
    color: var(--primary-color);
}

.info-value {
    color: var(--light-text);
    transition: var(--transition);
}

.dark-mode .info-value {
    color: var(--dark-text);
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 12px;
    margin-left: 5px;
    opacity: 0.7;
    transition: var(--transition);
}

.refresh-btn:hover {
    opacity: 1;
    transform: rotate(180deg);
}

/* 天气小组件 */
.weather-widget {
    display: flex;
    align-items: center;
    background-color: var(--card-bg-light);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.dark-mode .weather-widget {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.weather-icon {
    font-size: 36px;
    margin-right: 15px;
    color: var(--secondary-color);
}

.weather-info {
    flex: 1;
}

.weather-location {
    font-weight: 600;
    margin-bottom: 5px;
}

.weather-temp {
    font-size: 20px;
    font-weight: 700;
}

.weather-desc {
    font-size: 14px;
    opacity: 0.8;
}

/* 内容分类区 */
.categories-container {
    position: relative;
}

.view-toggle {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    gap: 5px;
}

.view-toggle button {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 5px;
    color: var(--light-text);
    opacity: 0.5;
    transition: var(--transition);
}

.dark-mode .view-toggle button {
    color: var(--dark-text);
}

.view-toggle button.active {
    opacity: 1;
    color: var(--primary-color);
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.categories.list-view {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.category {
    background-color: var(--card-bg-light);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
}

.dark-mode .category {
    background-color: var(--card-bg-dark);
    box-shadow: var(--shadow-dark);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.dark-mode .category-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.category-icon {
    font-size: 20px;
    margin-right: 10px;
    color: var(--primary-color);
}

.category-title {
    font-size: 18px;
    font-weight: 600;
    flex: 1;
}

.category-actions {
    display: flex;
    gap: 5px;
}

.category-actions button {
    background: none;
    border: none;
    font-size: 14px;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
    color: var(--light-text);
}

.dark-mode .category-actions button {
    color: var(--dark-text);
}

.category-actions button:hover {
    opacity: 1;
}

.category-actions .edit-btn:hover {
    color: var(--primary-color);
}

.category-actions .delete-btn:hover {
    color: var(--danger-color);
}

.sites {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.list-view .sites {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.site {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.site:hover {
    background-color: rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
}

.dark-mode .site:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.site-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    margin-bottom: 8px;
    object-fit: contain;
}

.site-name {
    font-size: 14px;
    text-align: center;
    word-break: break-word;
    max-width: 100%;
}

.site-desc {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 10;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.site:hover .site-desc {
    display: block;
    opacity: 1;
}

.add-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--card-bg-light);
    border: 2px dashed rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-top: 20px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--light-text);
    font-weight: 600;
}

.dark-mode .add-button {
    background-color: var(--card-bg-dark);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
}

.add-button:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(66, 133, 244, 0.05);
}

.add-button i {
    margin-right: 8px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    transition: var(--transition);
}

.dark-mode .modal-content {
    background-color: var(--dark-bg);
}

.close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--light-text);
    opacity: 0.7;
    transition: var(--transition);
}

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

.close:hover {
    opacity: 1;
}

.modal h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 15px;
}

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

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    font-size: 14px;
    transition: var(--transition);
    background-color: white;
    color: var(--light-text);
}

.dark-mode .form-group input, .dark-mode .form-group select {
    background-color: #333;
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
}

.form-group input:focus, .form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.3);
    outline: none;
}

.icon-selector {
    display: flex;
    align-items: center;
}

.icon-preview {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    margin-left: 10px;
    font-size: 20px;
    color: var(--primary-color);
}

.dark-mode .icon-preview {
    background-color: rgba(255, 255, 255, 0.05);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.btn-primary, .btn-secondary, .btn-danger {
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #3367d6;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: rgba(0, 0, 0, 0.1);
    color: var(--light-text);
}

.dark-mode .btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--dark-text);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.dark-mode .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

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

.btn-danger:hover {
    background-color: #d32f2f;
    transform: translateY(-2px);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: 5px;
}

/* 设置面板 */
.settings-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 100%;
    max-width: 400px;
    height: 100%;
    background-color: var(--light-bg);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.dark-mode .settings-panel {
    background-color: var(--dark-bg);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

.settings-panel.active {
    right: 0;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.dark-mode .settings-header {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.settings-header h2 {
    color: var(--primary-color);
    margin: 0;
}

.close-settings {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--light-text);
    opacity: 0.7;
    transition: var(--transition);
}

.dark-mode .close-settings {
    color: var(--dark-text);
}

.close-settings:hover {
    opacity: 1;
    color: var(--primary-color);
}

.settings-content {
    padding: 20px;
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--primary-color);
}

.dark-mode .settings-section h3 {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.hidden {
    display: none;
}

.bg-preview {
    width: 100%;
    height: 100px;
    margin-top: 10px;
    border-radius: 6px;
    background-size: cover;
    background-position: center;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.dark-mode .bg-preview {
    border-color: rgba(255, 255, 255, 0.1);
}

.settings-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--transition);
    z-index: 100;
}

.settings-button:hover {
    transform: rotate(30deg) scale(1.1);
    background-color: #3367d6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .info-bar {
        flex-direction: column;
        gap: 8px;
    }
    
    .categories {
        grid-template-columns: 1fr;
    }
    
    .sites {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .site-icon {
        width: 32px;
        height: 32px;
    }
    
    .site-name {
        font-size: 12px;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr 1fr;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.category, .site, .info-bar, .search-bar, .weather-widget {
    animation: fadeIn 0.5s ease forwards;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.dark-mode::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.dark-mode::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
}

.dark-mode::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}