:root {
    /* 默认亮色变量 */
    --bg-clr: #f5f5f5;
    --accent-clr: #e18df0;
    --text-clr: #1a1a1a;

    --bg-warning-clr: #ffeed0;
    --text-warning-clr: #4f2f00;
    --bg-error-clr: #ffd0d0;
    --text-error-clr: #4f0000;

    --transition-speed: 0.4s;

    --img-avatar: url('/assets/images/avatar.avif');
    --img-banner: url('/assets/images/banner.jpg');
}

body.dark-mode {
    --bg-clr: #0a0a0a;
    --accent-clr: #e18df0;
    --text-clr: #f0f0f0;

    --bg-warning-clr: #6c4600;
    --text-warning-clr: #ffdfb0;
    --bg-error-clr: #6c0000;
    --text-error-clr: #ffb0b0;
}

body.sp {
    --bg-clr: #4f513b;
    --accent-clr: #e18df0;
    --text-clr: #f0f0f0;

    --bg-warning-clr: #6c4600;
    --text-warning-clr: #ffdfb0;
    --bg-error-clr: #6c0000;
    --text-error-clr: #ffb0b0;
}

@font-face {
    font-family: 'Xiaolai-Regular';
    src: url('/assets/fonts/Xiaolai-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--accent-clr);
}

body {
    background-color: var(--bg-clr);
    color: var(--text-clr);
    font-family: 'Xiaolai-Regular', sans-serif;
    display: flex;
    min-height: 100dvh;

    transition: background-color var(--transition-speed), color var(--transition-speed);
    scrollbar-gutter: stable;
}

body::-webkit-scrollbar {
    padding-right: 2px;
    width: 10px;
}

body::-webkit-scrollbar-thumb {
    border-radius: 2px;
    background: color-mix(in srgb, var(--text-clr), transparent 60%);
}

/* --- Sidebar --- */
nav.sidebar {
    width: 300px;
    height: 100dvh;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    position: fixed;
    border-right: 1px solid rgba(128, 128, 128, 0.2);
    background-color: var(--bg-clr);
}

/* 顶部：头像与名字并排 */
nav.sidebar .sidebar-header {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
    transition: 0.3s;
}

nav.sidebar .sidebar-header:hover {
    color: var(--accent-clr);
    padding-left: 1px;
    opacity: 0.8;
}

nav.sidebar .sidebar-header:active {
    transform: scale(0.98);
}

nav.sidebar .avatar {
    width: 50px;
    height: 50px;
    border: 1px solid var(--accent-clr);
    background: var(--img-avatar) center / cover no-repeat;
    flex-shrink: 0;
}

nav.sidebar .header-text .name {
    font-size: 1.3rem;
    font-weight: 500;
}

nav.sidebar .header-text .signature {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 5px;
}

.divider {
    border: none;
    border-top: 1px solid rgba(128, 128, 128, 0.3);
    margin: 20px 0;
    flex-shrink: 0;
}

/* 中间：可滚动导航区 */
.nav-scroll-container {
    flex-grow: 1;
    overflow-y: auto;
    margin: 5px 0;
    padding-right: 5px;
}

.nav-scroll-container::-webkit-scrollbar {
    width: 2px;
}

.nav-scroll-container::-webkit-scrollbar-thumb {
    background: rgba(128, 128, 128, 0.3);
    opacity: 0.3;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-item {
    text-decoration: none;
    color: var(--text-clr);
    font-size: 1rem;
    opacity: 0.7;
    cursor: pointer;
    transition: 0.3s;
    white-space: nowrap;
}

.nav-item:hover,
.nav-item.active {
    opacity: 1;
    color: var(--accent-clr);
    padding-left: 10px;
}

/* 底部：固定区域 */
nav.sidebar .sidebar-footer {
    flex-shrink: 0;
    margin-top: auto;
    padding-top: 10px;
}

nav.sidebar .controls {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

nav.sidebar .ctrl-btn {
    cursor: pointer;
    opacity: 0.5;
    transition: 0.3s;
    font-size: 0.85rem;
}

nav.sidebar .ctrl-btn:hover {
    opacity: 1;
    color: var(--accent-clr);
}

nav.sidebar .social-btns {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}


/* --- 首页专属社交按钮隔离样式 --- */

.nav-social-btn {
    color: var(--text-clr);
    opacity: 0.4;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    text-decoration: none !important;
}

.nav-social-btn:hover {
    opacity: 1;
    color: var(--accent-clr);
    transform: translateY(-3px);
}

.nav-social-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

nav.sidebar .social-btns a.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: transform 0.2s ease, opacity 0.3s ease;
    opacity: 0.4;
    color: var(--text-clr);
}

nav.sidebar .social-btns a.icon-link:hover {
    opacity: 1;
    color: var(--accent-clr);
}

nav.sidebar .social-btns a.icon-link svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
    display: block;
    transition: fill 0.3s ease;
}

.watermark {
    font-size: 0.8rem;
    opacity: 0.5;
    letter-spacing: 2px;
    pointer-events: none;
}

/* --- 内容区域 --- */
.content-wrapper {
    margin-left: 300px;
    padding: 80px 10%;
    width: calc(100% - 300px);
    transition: opacity 0.3s ease;
}

.is-switching {
    opacity: 0;
    transform: translateY(5px);
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

[data-i18n] {
    white-space: pre-line;
}

/* --- 移动端基础重置 --- */
.mobile-nav-toggle {
    display: none;
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex !important;
        position: fixed;
        top: 25px;
        left: 25px;
        z-index: 1100;
        width: 44px;
        height: 44px;
        cursor: pointer;
        color: var(--text-clr);
        background-color: var(--bg-clr);
        justify-content: center;
        align-items: center;
        border-radius: 5px;
        opacity: 0.6;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s ease, opacity 0.3s ease;
    }

    .mobile-nav-toggle:hover {
        opacity: 1;
        color: var(--accent-clr);
    }

    .mobile-nav-toggle:active {
        transform: scale(1.2);
    }

    .mobile-nav-toggle span {
        display: inline-block;
        font-size: 1.6rem;
        line-height: 1;
        transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    body:has(nav.sidebar.mobile-active) .mobile-nav-toggle {
        transform: translateX(calc(100dvw - 100px));
        color: var(--accent-clr);
        opacity: 1;
    }

    nav.sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        width: 100%;
        height: 100dvh;
        z-index: 1000;
        background-color: var(--bg-clr);
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
    }

    nav.sidebar.mobile-active {
        left: 0;
    }

    .content-wrapper {
        margin-left: 0;
        width: 100%;
        padding: 80px 40px 40px;
    }
}

.orientation-warning {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    background: color-mix(in srgb, var(--bg-clr), transparent 20%);
    backdrop-filter: blur(10px);
    border: 0.5px solid var(--text-clr);
    border-radius: 12px;
    z-index: 99999;
    pointer-events: none;
    /* 防止遮挡点击操作 */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

@media screen and (orientation: landscape) and (max-height: 450px) {
    .orientation-warning {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* 既然只是小提示，通常不需要锁定 body 滚动 */
}

.warning-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.warning-content span {
    display: inline-block;
    font-size: 1.5rem;
    /* 缩小图标 */
    color: var(--accent-clr);
    animation: rotate-tip 2s infinite ease-in-out;
}

.warning-content p {
    font-size: 0.8rem;
    margin: 0;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

@keyframes rotate-tip {
    0% {
        transform: rotate(0deg);
    }

    50% {
        transform: rotate(-90deg);
    }

    /* 提示旋转手机的方向 */
    100% {
        transform: rotate(0deg);
    }
}












/* Lightbox 容器 - 强制全屏 */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    background: var(--bg-clr);
    backdrop-filter: blur(15px);
    user-select: none;
    touch-action: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.is-open {
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 1;
}

body.lb-active::-webkit-scrollbar {
    width: 0;
}

.lb-stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    height: 100%;
    overflow: visible;
}

#lb-image {
    max-width: 90%;
    max-height: 85dvh;
    object-fit: contain;
    /* Remove the hardcoded transition here to avoid conflicts with drag */
    transform: translate(var(--pan-x, 0px), var(--pan-y, 0px)) scale(var(--scale, 1));
    cursor: grab;
    will-change: transform;
}

#lb-image:active {
    cursor: grabbing;
}

.lb-nav,
.lb-close {
    position: absolute;
    color: var(--text-clr);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
    z-index: 100;
}

.lb-nav {
    top: 50%;
    transform: translateY(-50%);
    width: 80px;
    height: 120px;
    font-size: 50px;
}

.lb-prev {
    left: 0;
    border-radius: 0 12px 12px 0;
}

.lb-next {
    right: 0;
    border-radius: 12px 0 0 12px;
}

.lb-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;

    /* 继承 lb-btn 的风格 */
    background: transparent;
    color: var(--text-clr);
    border: none;
    font-size: 36px;
    font-weight: 600;
    -webkit-text-stroke: 1.5px var(--bg-clr);
    cursor: pointer;

    /* 居中处理 X 图标 */
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.25;
}

.lb-footer {
    position: absolute;
    left: 0;
    bottom: 0;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    background: linear-gradient(90deg, var(--bg-clr) -40%, transparent 100%);
    color: var(--text-clr);
    z-index: 101;
}

.lb-actions {
    display: flex;
    gap: 10px;
}

.lb-btn {
    padding: 5px 24px;
    background: color-mix(in srgb, var(--bg-clr), transparent 60%);
    color: var(--text-clr);
    border: 0.5px solid var(--text-clr);
    font-size: x-large;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}