.pre__reader {
    --r-space-xs: calc(4px + 0.15vw);
    --r-space-sm: calc(6px + 0.25vw);
    --r-space-md: calc(8px + 0.4vw);
    --r-space-lg: calc(12px + 0.6vw);
    --r-space-xl: calc(16px + 0.8vw);
    --r-space-2xl: calc(24px + 1.5vw);
    --r-radius-sm: calc(6px + 0.15vw);
    --r-radius-md: calc(8px + 0.25vw);
    --r-radius-lg: calc(10px + 0.3vw);
    --r-font-xs: calc(10px + 0.25vw);
    --r-font-sm: calc(11px + 0.3vw);
    --r-font-md: calc(12px + 0.35vw);
    --r-font-lg: calc(13px + 0.4vw);
    --r-font-xl: calc(14px + 0.5vw);
    --r-icon: calc(14px + 0.35vw);
    --r-avatar: calc(36px + 1.5vw);
    --r-content-width: calc(400px + 30vw);
}

.pre__readerLoader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bgPrimary);
    transition: opacity 0.3s;
}

.pre__readerLoader.--hidden {
    opacity: 0;
    pointer-events: none;
}

.pre__readerHeader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(28, 27, 27, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-bgTheme-tiny);
    padding: var(--r-space-md) var(--r-space-lg);
    transition: transform 0.3s, background-color 0.3s;
}

.pre__readerHeader.--hidden {
    transform: translateY(-100%);
}

.pre__readerHeader.--scrolled {
    background-color: rgba(28, 27, 27, 0.5);
}

.pre__readerNav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--r-space-md);
}

.pre__readerNavLeft,
.pre__readerNavRight,
.pre__readerCommentName {
    display: flex;
    align-items: center;
    gap: var(--r-space-sm);
}

.pre__readerBrand {
    display: flex;
    align-items: center;
    gap: var(--r-space-xs);
    transition: transform 0.2s;
}

.pre__readerBrand:hover {
    transform: scale(0.97);
}

.pre__readerBrand img {
    width: calc(24px + 1.2vw);
    height: calc(24px + 1.2vw);
    pointer-events: none;
}

.pre__readerBrand span {
    font-family: 'Unbounded', sans-serif;
    font-size: var(--r-font-xl);
    font-weight: 600;
}

.pre__readerBack,
.pre__readerChaptersBtn {
    display: flex;
    align-items: center;
    gap: var(--r-space-xs);
    padding: var(--r-space-sm) var(--r-space-md);
    border-radius: var(--r-radius-sm);
    background-color: var(--color-bgTheme-small);
    font-size: var(--r-font-md);
    font-weight: 500;
    color: var(--color-txtSecondary);
    transition: transform 0.2s, background-color 0.2s;
}

.pre__readerBack:hover,
.pre__readerChaptersBtn:hover {
    background-color: var(--color-bgTheme-default);
    transform: scale(0.97);
}

.pre__readerBack svg,
.pre__readerChaptersBtn svg,
.pre__readerCommentPin {
    width: var(--r-icon);
    height: var(--r-icon);
    fill: var(--color-txtSecondary);
}

.pre__readerCommentPin {
    fill: var(--color-brand);
}

.pre__readerChapters {
    position: relative;
}

.pre__readerChaptersList {
    position: absolute;
    top: calc(100% + var(--r-space-sm));
    right: 0;
    width: calc(220px + 12vw);
    max-height: 60vh;
    overflow-y: auto;
    background-color: var(--color-bgTheme-navs);
    border: 1px solid var(--color-bgTheme-small);
    border-radius: var(--r-radius-lg);
    padding: var(--r-space-xs);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
    z-index: 200;
}

.pre__readerChaptersList.--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.pre__readerChapterItem {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--r-space-md);
    padding: var(--r-space-sm) var(--r-space-md);
    border-radius: var(--r-radius-sm);
    font-size: var(--r-font-md);
    color: var(--color-txtSecondary);
    transition: background-color 0.15s;
}

.pre__readerChapterItem span:first-child {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pre__readerChapterItem:hover {
    background-color: var(--color-bgTheme-small);
}

.pre__readerChapterItem.--current {
    background-color: var(--color-brand);
    color: var(--color-txtPrimary);
}

.pre__readerChapterDate {
    flex-shrink: 0;
    font-size: var(--r-font-xs);
    color: var(--color-txtThird);
}

.pre__readerChapterItem.--current .pre__readerChapterDate {
    color: rgba(255, 255, 255, 0.7);
}

.pre__readerTitle {
    display: flex;
    align-items: center;
    gap: var(--r-space-xs);
    margin-top: var(--r-space-sm);
    padding-top: var(--r-space-sm);
    border-top: 1px solid var(--color-bgTheme-tiny);
    min-width: 0;
}

.pre__readerTitleName,
.pre__readerTitleChapter {
    font-size: var(--r-font-sm);
    font-weight: 500;
    text-transform: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pre__readerTitleName {
    color: var(--color-txtSecondary);
    transition: color 0.2s;
    max-width: 50%;
    flex-shrink: 1;
}

.pre__readerTitleName:hover {
    color: var(--color-txtPrimary);
}

.pre__readerTitleChapter {
    font-family: 'Unbounded', sans-serif;
    margin: 0;
    flex-shrink: 0;
}

.pre__readerTitleSep {
    font-size: var(--r-font-xs);
    color: var(--color-txtThird);
    flex-shrink: 0;
}

.pre__readerMain {
    padding-top: calc(70px + 3vw);
}

.pre__readerNotice {
    max-width: var(--r-content-width);
    margin: 0 auto var(--r-space-lg);
}

.pre__readerNotice .flex-row {
    padding: var(--r-space-lg);
    border-radius: var(--r-radius-lg);
    gap: var(--r-space-md);
}

.pre__readerNotice .flex-col {
    padding: var(--r-space-xs);
    border-radius: var(--r-radius-sm);
}

.pre__readerNotice .flex-col svg {
    width: calc(20px + 0.5vw);
    height: calc(20px + 0.5vw);
}

.pre__readerNotice span {
    font-size: var(--r-font-md);
}

.pre__readerScans {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pre__readerScans img {
    display: block;
    width: 100%;
    max-width: var(--r-content-width);
    height: auto;
    user-select: none;
    -webkit-user-drag: none;
}

.pre__readerBottom {
    max-width: var(--r-content-width);
    margin: 0 auto;
    padding: var(--r-space-lg) 0 var(--r-space-2xl);
}

.pre__readerButtons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--r-space-sm);
    margin-bottom: var(--r-space-md);
}

.pre__readerBtn {
    flex: 1;
    min-width: calc(100px + 5vw);
    padding: var(--r-space-lg);
    text-align: center;
    font-size: var(--r-font-lg);
    font-weight: 500;
    color: var(--color-txtSecondary);
    background-color: var(--color-bgTheme-tiny);
    border-radius: var(--r-radius-md);
    transition: background-color 0.2s, transform 0.2s;
}

.pre__readerBtn:hover {
    background-color: var(--color-bgTheme-small);
    transform: scale(0.98);
}

.pre__readerComment {
    display: none;
    background-color: var(--color-bgTheme-tiny);
    border: 1px solid var(--color-bgTheme-small);
    border-radius: var(--r-radius-lg);
    padding: var(--r-space-lg);
}

.pre__readerComment.--visible {
    display: block;
}

.pre__readerCommentHead {
    display: flex;
    align-items: center;
    gap: var(--r-space-md);
    margin-bottom: var(--r-space-md);
}

.pre__readerCommentAvatar {
    width: var(--r-avatar);
    height: var(--r-avatar);
    border-radius: 50%;
    object-fit: cover;
    pointer-events: auto;
}

.pre__readerCommentInfo {
    display: flex;
    flex-direction: column;
    gap: calc(1px + 0.05vw);
}

.pre__readerCommentName a {
    font-size: var(--r-font-lg);
    font-weight: 600;
    text-transform: none;
    color: var(--color-txtPrimary);
}

.pre__readerCommentDate {
    font-size: var(--r-font-sm);
    color: var(--color-txtThird);
}

.pre__readerCommentText {
    font-size: var(--r-font-md);
    line-height: 1.5;
    color: var(--color-txtSecondary);
    text-transform: none;
    margin: 0;
}

@media (max-width: 728px) {
    .pre__readerNotice,
    .pre__readerBottom {
        padding-left: var(--r-space-md);
        padding-right: var(--r-space-md);
    }
}