@import url('https://fonts.loli.net/css2?family=Noto+Serif+SC:wght@400;600;700&family=Ma+Shan+Zheng&display=swap');

/* CSS 变量定义 - 统一管理样式 */
:root {
    /* 字体变量 */
    --quote-font-size: 1.125rem;
    --quote-font-color: #1f2937;
    --quote-font-family: 'Noto Serif SC', serif;

    /* 圆角变量 */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    /* 动画变量 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 颜色变量 - 浅色模式 */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #f3f4f6;
    --secondary-hover: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;

    /* 背景和文本 */
    --bg-color: #ffffff;
    --card-bg-start: #ffffff;
    --card-bg-end: #f8fafc;
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
    --input-bg: #ffffff;
}

/* 深色模式变量 override */
html.dark {
    /* 主要文字颜色改为纯白或极亮灰 */
    --quote-font-color: #f8fafc;
    /* slate-50 */

    --secondary-color: #1e293b;
    --secondary-hover: #334155;

    --bg-color: #0f172a;
    --card-bg-start: #1e293b;
    --card-bg-end: #0f172a;

    /* 更新通用文字变量为更亮的颜色 */
    --text-primary: #ffffff;
    /* 纯白 */
    --text-secondary: #e2e8f0;
    /* slate-200 */
    --text-muted: #cbd5e1;
    /* slate-300 */

    --border-color: #334155;
    --input-bg: #1e293b;
}

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

/* 使用 CSS 变量的样式 */
.quote-text {
    font-size: var(--quote-font-size);
    color: var(--quote-font-color);
    font-family: var(--quote-font-family);
}

.quote-author {
    font-family: var(--quote-font-family);
}

/* 自定义动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s var(--transition-slow) forwards;
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

/* 卡片样式 */
.quote-card {
    transition: transform var(--transition-normal),
        box-shadow var(--transition-normal),
        background var(--transition-normal);
    background: linear-gradient(135deg, var(--card-bg-start) 0%, var(--card-bg-end) 100%);
    position: relative;
    overflow: hidden;
    break-inside: avoid;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    max-height: 70vh;
    min-height: 200px;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
}

html.dark .quote-card {
    border-color: rgba(255, 255, 255, 0.05);
}

.quote-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #8b5cf6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.quote-card:hover::before {
    transform: scaleX(1);
}

.quote-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html.dark .quote-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3),
        0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* 卡片内容区域 */
.card-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

html.dark .card-content {
    scrollbar-color: #475569 #1e293b;
}

.card-content::-webkit-scrollbar {
    width: 4px;
}

.card-content::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

html.dark .card-content::-webkit-scrollbar-track {
    background: #1e293b;
}

.card-content::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

html.dark .card-content::-webkit-scrollbar-thumb {
    background: #475569;
}

.card-content::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

html.dark .card-content::-webkit-scrollbar-thumb:hover {
    background: #64748b;
}

/* 瀑布流布局 */
.masonry-grid {
    column-count: 1;
    column-gap: 1.5rem;
}

@media (min-width: 768px) {
    .masonry-grid {
        column-count: 2;
    }
}

@media (min-width: 1024px) {
    .masonry-grid {
        column-count: 3;
    }
}

/* 渐变背景 - 替换为变量控制 */
.gradient-bg-1 {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #d4fc79 0%, #96e6a1 100%);
}

.gradient-bg-5 {
    background: linear-gradient(135deg, #fbc2eb 0%, #a6c1ee 100%);
}

/* 暗黑模式下的背景渐变调整 */
html.dark .gradient-bg-1 {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    /* 深蓝灰 */
}

html.dark .gradient-bg-2 {
    background: linear-gradient(135deg, #2e1065 0%, #4c1d95 100%);
    /* 深紫 */
}

html.dark .gradient-bg-3 {
    background: linear-gradient(135deg, #172554 0%, #1e40af 100%);
    /* 深蓝 */
}

html.dark .gradient-bg-4 {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 100%);
    /* 深绿 */
}

html.dark .gradient-bg-5 {
    background: linear-gradient(135deg, #831843 0%, #9d174d 100%);
    /* 深玫红 */
}

html.dark .bg-white {
    background: #0f172a;
    /* 纯白模式切到暗黑变为深色背景 */
}


/* 加载动画 */
.loading-dots {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.loading-dots div {
    position: absolute;
    top: 33px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--primary-color);
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.loading-dots div:nth-child(1) {
    left: 8px;
    animation: loading-dots1 0.6s infinite;
}

.loading-dots div:nth-child(2) {
    left: 8px;
    animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(3) {
    left: 32px;
    animation: loading-dots2 0.6s infinite;
}

.loading-dots div:nth-child(4) {
    left: 56px;
    animation: loading-dots3 0.6s infinite;
}

@keyframes loading-dots1 {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes loading-dots3 {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(0);
    }
}

@keyframes loading-dots2 {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(24px, 0);
    }
}

/* 内容区域 */
.main-content {
    padding-bottom: 100px;
    min-height: calc(100vh - 200px);
}

/* 设置弹窗 */
.settings-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 100;
    justify-content: center;
    align-items: center;
}

.settings-content {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
    color: var(--text-primary);
}

html.dark .settings-content {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5),
        0 10px 10px -5px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}


.settings-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.settings-body {
    padding: 1.5rem;
}

.settings-group {
    margin-bottom: 1.5rem;
}

.settings-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.settings-select {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    font-size: 0.875rem;
    transition: border-color var(--transition-fast);
    background: var(--input-bg);
    color: var(--text-primary);
}

.settings-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.settings-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* 按钮样式 */
.btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border: none;
}

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

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

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
}

/* 搜索栏 */
.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0.75rem 3rem 0.75rem 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    transition: border-color var(--transition-normal),
        box-shadow var(--transition-normal);
    background: var(--input-bg);
    color: var(--text-primary);
}

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

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.clear-search {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    display: none;
}

.clear-search:hover {
    color: var(--text-primary);
}

/* 卡片操作按钮 */
.card-actions {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

/* 桌面端悬停显示 */
@media (min-width: 769px) {
    .quote-card:hover .card-actions {
        opacity: 1;
    }
}

/* 移动端/触摸屏始终显示 */
@media (max-width: 768px) {
    .card-actions {
        opacity: 1;
        background: transparent;
        /* 移除可能的背景遮挡 */
    }

    /* 稍微调整按钮大小以适应触摸 */
    .action-btn {
        width: 2.25rem;
        height: 2.25rem;
    }
}

/* 回到顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: grid;
    place-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    z-index: 40;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

html.dark .back-to-top {
    background: var(--primary-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}

.back-to-top svg {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
    margin: 0;
}

.action-btn {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-fast), background var(--transition-fast);
    font-size: 1rem;
    color: var(--text-secondary);
}

html.dark .action-btn {
    box-shadow: none;
}

html.dark .action-btn:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.action-btn:hover {
    transform: scale(1.1);
    background: var(--secondary-color);
}

.action-btn.favorited {
    color: var(--error-color);
}

/* 筛选标签 */
.filter-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 0.5rem;
}

.filter-tag {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    cursor: pointer;
    transition: background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.filter-tag:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.filter-tag.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 搜索高亮样式 */
mark {
    background-color: #fef08a;
    /* 保持可见度 */
    color: #1f2937;
    /* 强制深色文字 */
    padding: 0 0.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

/* 加载更多指示器 */
.load-more-indicator {
    display: none;
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.load-more-indicator.visible {
    display: block;
}

.load-more-indicator.hidden {
    display: none;
}

/* 隐藏类 - 统一管理显示/隐藏 */
.hidden {
    display: none !important;
}

.visible {
    display: block;
}

/* 无障碍优化 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}