/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 根元素变量 */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --text-color: #f3f4f6;
    --text-secondary: #9ca3af;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-hover: rgba(30, 41, 59, 0.9);
    --modal-bg: rgba(15, 23, 42, 0.95);
    --border-radius: 12px;
    --backdrop-blur: 8px;
    --transition: all 0.3s ease;
}

/* 背景容器样式 */
#background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

#background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a1a2e;
    opacity: 0.8;
}

/* 主体样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #0f172a;
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem 1rem;
}

/* 个人资料区域 */
.profile-section {
    text-align: center;
    margin-bottom: 3rem;
}

.avatar-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    cursor: pointer;
}

#user-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
    background-color: var(--card-bg);
    transition: var(--transition);
}

.avatar-upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    font-size: 2rem;
    color: var(--text-color);
}

.avatar-container:hover .avatar-upload-overlay {
    opacity: 1;
}

#user-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 导航链接区域 */
.navigation-section {
    margin-bottom: 2rem;
}

.category {
    margin-bottom: 2.5rem;
}

.category h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    position: relative;
    padding-left: 1rem;
}

.category h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 80%;
    background-color: var(--primary-color);
    border-radius: 4px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* 链接卡片样式 */
.link-card {
    background-color: var(--card-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.link-card:hover {
    background-color: var(--card-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.link-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.link-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.link-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

/* 控制面板样式 */
.controls-section {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.control-button {
    background-color: var(--card-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.control-button:hover {
    background-color: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px -3px rgba(0, 0, 0, 0.2);
}

/* 模态框样式 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--modal-bg);
    backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.close-button {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
}

.setting-section {
    margin-bottom: 2rem;
}

.setting-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.setting-item {
    margin-bottom: 1.25rem;
}

.setting-item label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.setting-item input[type="text"],
.setting-item input[type="url"],
.setting-item select {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.setting-item input[type="text"]:focus,
.setting-item input[type="url"]:focus,
.setting-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.15);
}

.setting-item input[type="color"] {
    width: 50px;
    height: 40px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

.setting-item input[type="range"] {
    width: 100%;
    margin: 0.5rem 0;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

.primary-button {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.primary-button:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 5px 15px -3px rgba(59, 130, 246, 0.4);
}

.secondary-button {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1rem 0.5rem;
    }
    
    #user-name {
        font-size: 2rem;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .avatar-container {
        width: 100px;
        height: 100px;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .controls-section {
        flex-direction: column;
        align-items: center;
    }
    
    .control-button {
        width: 100%;
        justify-content: center;
    }
}

/* 无链接状态样式 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.link-card {
    animation: fadeIn 0.3s ease-out;
}

/* 消息提示组件样式 */
.message-toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    max-width: 350px;
    word-wrap: break-word;
}

.message-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.message-success {
    background-color: #10b981;
}

.message-error {
    background-color: #ef4444;
}

.message-warning {
    background-color: #f59e0b;
}

.message-info {
    background-color: #3b82f6;
}

/* 响应式调整 */
@media (max-width: 640px) {
    .message-toast {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 防止表单元素在iOS上的默认样式 */
input[type="text"],
input[type="url"],
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* 工具提示样式 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
    z-index: 1001;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}