/* ============================================
   个人数字化工作台 - 基础样式
   ============================================ */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}

:root {
    --primary-color: #3B82F6;
    --bg-color: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --text-color: #333;
    --text-secondary: #666;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-color);
    background-attachment: fixed;
    color: var(--text-color);
}

.container {
    min-height: 100vh;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   顶部区域
   ============================================ */
.header {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    gap: 20px;
    padding: 20px;
    background: var(--card-bg);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.logo-time {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.logo {
    font-size: 28px;
}

.time {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-color);
}

.search-box {
    flex: 1;
    max-width: 600px;
}

.search-wrapper {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    background: #f5f5f5;
    border-radius: 50px;
    padding: 4px;
    border: 2px solid transparent;
    transition: var(--transition);
    -webkit-transition: var(--transition);
}

.search-wrapper:focus-within {
    border-color: var(--primary-color);
    background: #fff;
}

.search-select {
    border: none;
    background: transparent;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-color);
    cursor: pointer;
    outline: none;
}

.search-wrapper input {
    -webkit-flex: 1;
    flex: 1;
    border: none;
    background: transparent;
    padding: 8px 16px;
    font-size: 16px;
    outline: none;
}

.search-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.search-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.header-actions {
    display: -webkit-flex;
    display: flex;
    gap: 12px;
}

.icon-btn {
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.icon-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: rotate(30deg);
}

/* ============================================
   个人格言区
   ============================================ */
.motto-section {
    text-align: center;
    padding: 40px 20px;
    background: var(--card-bg);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.motto-section.hidden {
    display: none;
}

.motto-text {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 12px;
}

.motto-author {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ============================================
   快捷应用区
   ============================================ */
.main-content {
    flex: 1;
}

.groups-container {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 20px;
}

.group {
    background: var(--card-bg);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    padding: 20px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.group-header {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin-bottom: 16px;
}

.group-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
}

.group-icon {
    font-size: 22px;
}

.drag-handle {
    cursor: grab;
    opacity: 0.4;
    font-size: 14px;
    letter-spacing: -2px;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.drag-handle:hover {
    opacity: 0.8;
    background: rgba(0, 0, 0, 0.05);
}

.drag-handle:active {
    cursor: grabbing;
}

.group.dragging {
    opacity: 0.5;
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

.group-actions {
    display: -webkit-flex;
    display: flex;
    gap: 8px;
}

.group-btn {
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition);
    opacity: 0.6;
}

.group-btn:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

.links-grid {
    display: -webkit-grid;
    display: grid;
    -webkit-grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 16px;
}

.layout-compact .links-grid {
    -webkit-grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 12px;
}

.link-card {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: center;
    align-items: center;
    padding: 16px 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    -webkit-transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.layout-compact .link-card {
    padding: 12px 8px;
}

.link-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.link-icon {
    font-size: 36px;
    margin-bottom: 8px;
    transition: var(--transition);
}

.layout-compact .link-icon {
    font-size: 28px;
}

.link-card:hover .link-icon {
    transform: scale(1.1);
}

.link-name {
    font-size: 14px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.layout-compact .link-name {
    font-size: 12px;
}

.link-add {
    border: 2px dashed var(--border-color);
    background: transparent;
}

.link-add:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.link-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    background: #ff4444;
    color: white;
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    -webkit-transition: var(--transition);
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
}

.link-card:hover .link-delete {
    opacity: 1;
}

.link-delete:hover {
    transform: scale(1.2);
}

/* ============================================
   底部区域
   ============================================ */
.footer {
    margin-top: 20px;
    padding: 16px 20px;
    background: var(--card-bg);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.footer-info {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
    gap: 40px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================
   弹窗样式
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius);
    width: 90%;
    max-width: 800px;
    max-height: 85vh;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    -webkit-animation: modalSlideIn 0.3s ease;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-align-items: center;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.close-btn {
    background: transparent;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.close-btn:hover {
    color: #ff4444;
    transform: rotate(90deg);
}

.modal-body {
    display: -webkit-flex;
    display: flex;
    -webkit-flex: 1;
    flex: 1;
    overflow: hidden;
}

.settings-nav {
    width: 160px;
    background: #f8f9fa;
    padding: 16px;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: none;
    padding: 12px 16px;
    border-radius: 8px;
    cursor: pointer;
    text-align: left;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.nav-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

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

.settings-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.tab-panel {
    display: none;
}

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

/* ============================================
   表单样式
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group.checkbox label {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-group.checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-danger {
    background: #ff4444;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-secondary {
    background: #6b7280;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.edit-link-section {
    margin-bottom: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    border: 2px solid #bae6fd;
}

.edit-link-section h4 {
    margin-bottom: 16px;
    color: #0369a1;
}

/* ============================================
   分组管理样式
   ============================================ */
.add-group-form {
    display: -webkit-flex;
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.add-group-form input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

.groups-list {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 12px;
}

.group-item {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.group-item-info {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
}

.group-item-actions {
    display: -webkit-flex;
    display: flex;
    gap: 8px;
}

.group-item-btn {
    background: transparent;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.6;
    transition: var(--transition);
}

.group-item-btn:hover {
    opacity: 1;
}

.group-item {
    cursor: grab;
    transition: var(--transition);
}

.group-item:active {
    cursor: grabbing;
}

.group-item.dragging {
    opacity: 0.5;
    background: var(--primary-color);
    color: white;
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.group-item .drag-handle {
    cursor: grab;
    opacity: 0.4;
    font-size: 14px;
    letter-spacing: -2px;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition);
}

.group-item .drag-handle:hover {
    opacity: 0.8;
    background: rgba(0, 0, 0, 0.1);
}

/* ============================================
   链接管理样式
   ============================================ */
.add-link-form {
    display: -webkit-grid;
    display: grid;
    -webkit-grid-template-columns: 1fr 1fr;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.add-link-form select,
.add-link-form input {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

.add-link-form button {
    grid-column: span 2;
}

.links-list {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 8px;
}

.link-item {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.link-item-icon {
    font-size: 24px;
}

.link-item-info {
    flex: 1;
}

.link-item-name {
    font-weight: 500;
    font-size: 14px;
}

.link-item-url {
    font-size: 12px;
    color: var(--text-secondary);
}

.link-item-actions {
    display: -webkit-flex;
    display: flex;
    gap: 8px;
}

.link-item-btn {
    background: transparent;
    border: none;
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    opacity: 0.6;
    transition: var(--transition);
}

.link-item-btn:hover {
    opacity: 1;
}

/* ============================================
   图标选择器样式
   ============================================ */
.icon-picker-section {
    margin-bottom: 24px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
}

.icon-picker-label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.icon-picker-categories {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.icon-category-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}

.icon-category-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.icon-category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.icon-picker-grid {
    display: -webkit-grid;
    display: grid;
    -webkit-grid-template-columns: repeat(10, 1fr);
    grid-template-columns: repeat(10, 1fr);
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.icon-picker-item {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 20px;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
    -webkit-transition: var(--transition);
    position: relative;
}

.icon-picker-item:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: scale(1.1);
}

.icon-picker-item.selected {
    background: var(--primary-color);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
}

.icon-picker-item.selected::after {
    content: '✓';
    position: absolute;
    bottom: -2px;
    right: -2px;
    background: #10b981;
    color: white;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-picker-preview {
    margin-top: 12px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    gap: 12px;
}

.selected-icon {
    font-size: 24px;
    display: inline-block;
    padding: 4px 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
}

@media (max-width: 768px) {
    .icon-picker-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media (max-width: 480px) {
    .icon-picker-grid {
        grid-template-columns: repeat(6, 1fr);
        max-height: 160px;
    }

    .icon-category-btn {
        padding: 4px 10px;
        font-size: 12px;
    }
}

/* ============================================
   主题选择样式
   ============================================ */
.theme-grid {
    display: -webkit-grid;
    display: grid;
    -webkit-grid-template-columns: repeat(3, 1fr);
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.theme-card {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
    -webkit-transition: var(--transition);
}

.theme-card:hover {
    border-color: var(--border-color);
}

.theme-card.active {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.theme-preview {
    width: 100%;
    height: 80px;
    border-radius: 8px;
}

.theme-card span {
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   数据管理样式
   ============================================ */
.data-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 24px;
}

.action-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.action-item h4 {
    margin-bottom: 8px;
    font-size: 16px;
}

.action-item p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

.action-item.danger {
    background: #fff5f5;
    border: 1px solid #ffcdd2;
}

/* ============================================
   响应式适配
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .header {
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
        padding: 16px;
    }

    .search-box {
        order: 3;
        width: 100%;
        max-width: none;
    }

    .time {
        font-size: 20px;
    }

    .motto-text {
        font-size: 18px;
    }

    .links-grid {
        -webkit-grid-template-columns: repeat(4, 1fr);
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .link-card {
        padding: 12px 8px;
    }

    .link-icon {
        font-size: 28px;
    }

    .link-name {
        font-size: 12px;
    }

    .footer-info {
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
        gap: 16px;
    }

    .modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .modal-body {
        -webkit-flex-direction: column;
        flex-direction: column;
    }

    .settings-nav {
        width: 100%;
        -webkit-flex-direction: row;
        flex-direction: row;
        overflow-x: auto;
        padding: 12px;
    }

    .nav-btn {
        white-space: nowrap;
    }

    .settings-content {
        padding: 16px;
    }

    .theme-grid {
        -webkit-grid-template-columns: repeat(2, 1fr);
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .add-link-form {
        -webkit-grid-template-columns: 1fr;
        grid-template-columns: 1fr;
    }

    .add-link-form button {
        grid-column: span 1;
    }
}

@media (max-width: 480px) {
    .links-grid {
        -webkit-grid-template-columns: repeat(3, 1fr);
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   拖拽排序样式
   ============================================ */
.sortable-ghost {
    opacity: 0.4;
    background: rgba(59, 130, 246, 0.1);
}

.sortable-drag {
    opacity: 0.8;
    transform: scale(1.05);
}

.group.sortable-ghost {
    border: 2px dashed var(--primary-color);
}

/* ============================================
   鸿蒙/华为浏览器兼容性修复
   ============================================ */

/* 修复华为浏览器 backdrop-filter 不生效的问题 */
@supports not (backdrop-filter: blur(10px)) {
    .header,
    .motto-section,
    .group,
    .footer {
        background-color: rgba(255, 255, 255, 0.98) !important;
    }
}

/* 修复华为浏览器 grid 布局问题 */
@supports not (display: grid) {
    .links-grid {
        display: -webkit-flex;
        display: flex;
        -webkit-flex-wrap: wrap;
        flex-wrap: wrap;
    }

    .links-grid .link-card {
        width: calc(20% - 12px);
        margin: 6px;
    }
}

/* 华为浏览器 flex gap 兼容 */
@supports not (gap: 20px) {
    .groups-container > * + * {
        margin-top: 20px;
    }

    .header > * + * {
        margin-left: 20px;
    }

    .group-header > * + * {
        margin-left: 16px;
    }
}

/* 修复渐变背景在某些情况下的显示问题 */
html, body {
    min-height: 100%;
    background-color: #667eea;
}

/* 鸿蒙系统 viewport 修复 */
@viewport {
    width: device-width;
    initial-scale: 1.0;
    maximum-scale: 5.0;
}

/* ============================================
   用户中心样式
   ============================================ */
.user-form-container {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 24px;
}

.user-form-section {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.user-form-section h4 {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-color);
}

.user-form-section .form-group {
    margin-bottom: 12px;
}

.user-form-section input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    -webkit-transition: var(--transition);
    transition: var(--transition);
}

.user-form-section input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-gap: 12px;
    gap: 12px;
    margin-top: 16px;
}

.form-actions .btn-primary {
    flex: 1;
}

.form-actions .btn-secondary {
    white-space: nowrap;
}

/* 短信验证码输入组 */
.sms-code-group {
    display: -webkit-flex;
    display: flex;
    -webkit-gap: 12px;
    gap: 12px;
}

.sms-code-group input {
    -webkit-flex: 1;
    flex: 1;
}

.sms-code-group button {
    white-space: nowrap;
    padding: 12px 16px;
    font-size: 13px;
}

.sms-code-group button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-tip {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
    text-align: center;
}

/* 已登录用户信息 */
.user-info-section {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
    margin-bottom: 24px;
}

.user-avatar {
    font-size: 48px;
}

.user-details {
    flex: 1;
}

.user-status {
    font-size: 12px;
    opacity: 0.8;
}

.username-display {
    font-size: 20px;
    font-weight: bold;
    margin-top: 4px;
}

.user-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.sync-status {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 14px;
}

.sync-icon {
    font-size: 18px;
}

.user-tips {
    padding: 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 8px;
}

.user-tips h5 {
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--primary-color);
}

.user-tips ul {
    list-style: none;
    padding-left: 0;
}

.user-tips li {
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.user-tips li:before {
    content: '✓ ';
    color: var(--primary-color);
    font-weight: bold;
}

/* 用户资料编辑区域 */
.user-profile-section,
.user-password-section {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    margin-bottom: 20px;
}

.user-profile-section h4,
.user-password-section h4 {
    margin-bottom: 16px;
    font-size: 16px;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.user-profile-section .form-group,
.user-password-section .form-group {
    margin-bottom: 12px;
}

.user-profile-section .form-group label,
.user-password-section .form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.user-profile-section input,
.user-password-section input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.user-profile-section input:focus,
.user-password-section input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.user-profile-section button,
.user-password-section button {
    width: 100%;
    margin-top: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
    .user-info-section {
        -webkit-flex-direction: column;
        flex-direction: column;
        text-align: center;
    }

    .user-tips ul {
        padding-left: 20px;
    }

    .user-tips li:before {
        content: '';
    }
}