/**
 * 实用工具集 - 主页样式
 * Utility Toolset - Home Page Styles
 */

/* 页面背景 */
body {
    min-height: 100vh;
    background: var(--color-bg-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

/* 用户状态栏 - 左上角 */
.user-bar {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 100;
}

.login-btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.login-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.05);
}

.user-info {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border-light);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

[data-theme="dark"] .user-info {
    background: rgba(45, 45, 47, 0.9);
    border-color: var(--color-border);
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.user-name {
    font-size: 14px;
    color: var(--color-text-primary);
    font-weight: 500;
    min-width: 3ch;
    max-width: 10ch;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 用户下拉菜单 */
.user-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    width: auto;
    min-width: 100px;
    max-width: 120px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    overflow: hidden;
    z-index: 100;
}

.user-info:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

[data-theme="dark"] .user-dropdown {
    background: rgba(45, 45, 47, 0.95);
    border-color: var(--color-border);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: background 0.15s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background: var(--color-bg-secondary);
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    color: var(--color-text-tertiary);
}

.dropdown-item.logout:hover {
    background: rgba(255, 59, 48, 0.1);
    color: #ff3b30;
}

.dropdown-item.logout:hover i {
    color: #ff3b30;
}

/* 主容器 - 毛玻璃效果 */
.container {
    width: 100%;
    max-width: 600px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
}

[data-theme="dark"] .container {
    background: rgba(45, 45, 47, 0.85);
    border-color: rgba(255, 255, 255, 0.1);
}

/* 页面标题 */
.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

/* 工具卡片网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 480px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
}

/* 工具卡片 */
.tool-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: 1px solid var(--color-border-light);
}

.tool-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.tool-card:active {
    transform: translateY(-2px);
}

/* 卡片图标 */
.tool-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-fast);
}

.tool-card:hover .tool-icon {
    transform: scale(1.15);
}

/* 卡片标题 */
.tool-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: center;
}

/* 卡片描述 */
.tool-desc {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    margin-top: var(--spacing-xs);
}

/* 页脚 */
.footer {
    margin-top: var(--spacing-xl);
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
}

/* 淡入动画延迟 */
.tool-card:nth-child(1) {
    animation: fadeInUp 0.4s ease-out 0.1s both;
}

.tool-card:nth-child(2) {
    animation: fadeInUp 0.4s ease-out 0.2s both;
}

.tool-card:nth-child(3) {
    animation: fadeInUp 0.4s ease-out 0.3s both;
}

.tool-card:nth-child(4) {
    animation: fadeInUp 0.4s ease-out 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 开关切换样式 */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-switch.active {
    background: var(--color-success, #34c759);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-slider {
    left: 22px;
}

/* 主题切换容器 */
.theme-toggle-container {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    z-index: 1002;
}

[data-theme='dark'] .theme-toggle-container {
    background: rgba(45, 45, 47, 0.9);
}

.theme-icon {
    font-size: 16px;
}

/* ============================================================
   移动端响应式样式
   ============================================================ */

@media (max-width: 768px) {

    /* 用户栏 - 移动端 */
    .user-bar {
        top: 12px;
        left: 12px;
    }

    .user-info {
        padding: 4px 10px;
        gap: 6px;
    }

    .user-avatar {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .user-name {
        font-size: 12px;
        max-width: 60px;
    }

    .user-dropdown {
        min-width: 90px;
        max-width: 100px;
    }

    .dropdown-item {
        padding: 8px 12px;
        font-size: 12px;
    }

    /* 移动端点击显示下拉菜单 */
    .user-info.dropdown-open .user-dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* 主题切换 */
    .theme-toggle-container {
        top: 12px;
        right: 12px;
        padding: 6px 10px;
    }

    /* 容器 */
    .container {
        max-width: 95%;
        padding: var(--spacing-lg);
        margin: 60px auto var(--spacing-xl);
    }

    /* 卡片网格 - 单列 */
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .tool-card {
        padding: var(--spacing-lg);
    }

    .tool-icon {
        font-size: 2rem;
    }

    .welcome-title {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {

    /* 超小屏幕 */
    .user-bar {
        top: 8px;
        left: 8px;
    }

    .user-name {
        display: none;
    }

    .user-info {
        padding: 4px;
        border-radius: 50%;
    }

    .theme-toggle-container {
        top: 8px;
        right: 8px;
        padding: 4px 8px;
    }

    .container {
        margin-top: 50px;
        padding: var(--spacing-md);
    }
}