/* 基础样式和变量设置 */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --muted-color: #6b7280;
    --card-bg: #f9fafb;
    --primary-color: #3b82f6;
    --secondary-color: #fa6f60;
    --border-color: #e5e7eb;
    --transition-speed: 0.3s;
    --card2-bg-color: #fa7f39;
    /* 自定义光标颜色（浅色模式：深色光标） */
    --cursor-ring: rgba(0, 0, 0, 0.6);
    --cursor-ring-hover: rgba(0, 0, 0, 0.9);
    --cursor-fill-hover: rgba(0, 0, 0, 0.08);
    --cursor-dot: #111111;
}

.dark {
    --bg-color: #111827;
    --text-color: #f3f4f6;
    --muted-color: #9ca3af;
    --card-bg: #1f2937;
    --primary-color: #60a5fa;
    --secondary-color: #fa6f60;
    --border-color: #374151;
    /* 自定义光标颜色（深色模式：白色光标，与月之暗面官网一致） */
    --cursor-ring: rgba(255, 255, 255, 0.6);
    --cursor-ring-hover: rgba(255, 255, 255, 0.9);
    --cursor-fill-hover: rgba(255, 255, 255, 0.08);
    --cursor-dot: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
    line-height: 1.6;
}

/* 通用样式类 */
.text-muted {
    color: var(--muted-color);
}

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

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

/* 组件样式 */
.bento-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.bento-card:hover {
    transform: translateY(-4px);
}

.bento2-card {
    background-color: var(--card2-bg-color);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.bento2-card:hover {
    transform: translateY(-4px);
}

.menu-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    text-decoration: none;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.menu-item:hover {
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .bento-card {
        padding: 1.5rem;
    }
}

/* 大屏设备固定顶部和菜单 */
@media (min-width: 768px) {
    .header-menu-wrapper {
        position: sticky;
        top: 0;
        z-index: 50;
        background-color: var(--bg-color);
        padding-top: 2rem;
        padding-bottom: 2rem;
        margin-top: -2rem;
        margin-left: -1rem;
        margin-right: -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
        transition: background-color var(--transition-speed);
    }
}

/* 深色模式切换动画 */
html {
    transition: background-color var(--transition-speed) ease;
}

#theme-toggle {
    cursor: pointer;
    color: var(--text-color);
}

/* ===== 月之暗面官网同款自定义光标 ===== */
/* 外圈：36px 圆环，缓动跟随；悬停可交互元素时放大至 56px */
.ms-cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    will-change: translate, opacity;
    width: 36px;
    height: 36px;
    margin-left: -18px;
    margin-top: -18px;
    border-radius: 50%;
    border: 1.5px solid var(--cursor-ring);
    scale: 1;
    opacity: 0;
    transition: scale .35s cubic-bezier(.16, 1, .3, 1),
                border-color .35s ease,
                background-color .35s ease,
                opacity .3s ease;
}

.ms-cursor-ring.is-hover {
    scale: calc(56 / 36);
    border-color: var(--cursor-ring-hover);
    background-color: var(--cursor-fill-hover);
}

/* 内点：5px 实心圆点，快速跟随 */
.ms-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    will-change: translate, opacity;
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    margin-top: -2.5px;
    border-radius: 50%;
    background: var(--cursor-dot);
    opacity: 0;
    transition: opacity .3s ease, background-color .35s ease;
}

/* 新增：微信公众号弹出式二维码样式 */

.wechat-popup-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.wechat-popup-trigger {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.wechat-popup {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 1000;
    min-width: 160px;
}

.wechat-popup::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 6px 6px 0;
    border-style: solid;
    border-color: transparent var(--card-bg) transparent transparent;
}

.wechat-popup-container:hover .wechat-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.wechat-popup-content {
    text-align: center;
}

.wechat-popup-content img {
    display: block;
    border-radius: 8px;
}

.wechat-popup-content p {
    margin-top: 8px;
    font-size: 12px;
    color: var(--muted-color);
}

/* 深色模式下调整箭头颜色 */
.dark .wechat-popup::before {
    border-color: transparent var(--card-bg) transparent transparent;
}

/* 移动端优化：点击显示而非 hover */
@media (max-width: 768px) {
    .wechat-popup {
        left: 50%;
        top: auto;
        bottom: 100%;
        transform: translateX(-50%) translateY(-10px);
        margin-bottom: 8px;
    }
    
    .wechat-popup::before {
        left: 50%;
        top: auto;
        bottom: -6px;
        transform: translateX(-50%);
        border-width: 6px 6px 0 6px;
        border-color: transparent transparent var(--card-bg) transparent;
    }
    
    .wechat-popup-container:hover .wechat-popup {
        transform: translateX(-50%) translateY(0);
    }
}