/* Whiteyun immersive reader — isolated from the portal theme. */
.reader-pro {
    --reader-accent: #d92f3d;
    --reader-accent-soft: rgba(217, 47, 61, .11);
    --reader-bg: #e7dfd1;
    --reader-paper: #f4ead8;
    --reader-panel: #fffdf8;
    --reader-text: #24211d;
    --reader-muted: #746d63;
    --reader-border: rgba(76, 65, 50, .18);
    --reader-font-size: 20px;
    --reader-line-height: 1.9;
    --reader-letter-spacing: .02em;
    --reader-paragraph-spacing: 1.15em;
    --reader-indent: 2em;
    --reader-page-padding: 34px;
    --reader-width: 760px;
    min-height: 100vh;
    overflow-x: clip;
    color: var(--reader-text);
    background: var(--reader-bg);
    transition: color .3s ease, background-color .3s ease;
}

.reader-pro[data-theme="white"] { --reader-bg: #ededed; --reader-paper: #fff; --reader-panel: #fff; --reader-text: #191919; --reader-muted: #707070; --reader-border: rgba(20, 20, 20, .14); }
.reader-pro[data-theme="eye"] { --reader-bg: #cfdcc9; --reader-paper: #e4eedf; --reader-panel: #f0f5ed; --reader-text: #20281f; --reader-muted: #657063; --reader-border: rgba(48, 75, 48, .18); }
.reader-pro[data-theme="paper"] { --reader-bg: #e7dfd1; --reader-paper: #f4ead8; --reader-panel: #fffaf1; --reader-text: #2b251e; --reader-muted: #786e60; --reader-border: rgba(83, 66, 44, .2); }
.reader-pro[data-theme="night"] { --reader-accent: #ec6670; --reader-accent-soft: rgba(236, 102, 112, .14); --reader-bg: #111317; --reader-paper: #191c21; --reader-panel: #20242a; --reader-text: #d4d5d6; --reader-muted: #92969c; --reader-border: rgba(255, 255, 255, .13); color-scheme: dark; }

.reader-pro button,
.reader-pro a { -webkit-tap-highlight-color: transparent; }
.reader-pro button:focus-visible,
.reader-pro a:focus-visible,
.reader-pro input:focus-visible { outline: 3px solid color-mix(in srgb, var(--reader-accent) 35%, transparent); outline-offset: 2px; }

.reader-pro .reader-crumb { display: flex; align-items: center; gap: 8px; color: var(--reader-muted); }
.reader-pro .reader-crumb a { display: inline-flex; align-items: center; gap: 5px; }

.reader-pro .reader-toolbar {
    position: fixed;
    z-index: 70;
    top: 88px;
    right: max(22px, calc((100vw - var(--reader-width)) / 2 - 104px));
    left: auto;
    width: 72px;
    margin: 0;
    display: grid;
    gap: 10px;
}
.reader-pro .reader-toolbar > button,
.reader-pro .reader-toolbar > a {
    width: 72px;
    min-height: 68px;
    display: grid;
    place-items: center;
    gap: 2px;
    padding: 8px 4px;
    border: 1px solid var(--reader-border);
    border-radius: 12px;
    color: var(--reader-text);
    background: color-mix(in srgb, var(--reader-panel) 93%, transparent);
    box-shadow: 0 8px 24px rgba(42, 33, 22, .08);
    backdrop-filter: blur(16px);
    transition: transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.reader-pro .reader-toolbar > :is(button, a):hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--reader-accent) 44%, var(--reader-border)); }
.reader-pro .reader-toolbar i { color: var(--reader-accent); font-size: 21px; }
.reader-pro .reader-toolbar span { font-size: 12px; font-weight: 700; }

.reader-settings-backdrop {
    position: fixed;
    z-index: 880;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(12, 13, 15, .46);
    backdrop-filter: blur(3px);
    animation: readerBackdropIn .22s ease both;
}
.reader-settings-backdrop[hidden],
.reader-settings-pro[hidden] { display: none !important; }

.reader-pro .reader-settings-pro {
    position: fixed !important;
    z-index: 900;
    inset: 0 0 0 auto;
    width: min(470px, 100vw);
    height: 100dvh;
    max-height: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    border: 0;
    border-left: 1px solid var(--reader-border);
    border-radius: 0;
    color: var(--reader-text);
    background: var(--reader-panel);
    box-shadow: -20px 0 60px rgba(20, 17, 14, .18);
    animation: readerPanelIn .3s cubic-bezier(.2, .78, .25, 1) both;
}
.reader-settings-head {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--reader-border);
}
.reader-settings-head small { display: block; margin-bottom: 2px; color: var(--reader-accent); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.reader-settings-head h2 { margin: 0; font-size: 23px; line-height: 1.2; }
.reader-settings-head > button {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--reader-border);
    border-radius: 50%;
    color: var(--reader-text);
    background: transparent;
    font-size: 24px;
}
.reader-settings-scroll { flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; scrollbar-width: thin; }
.reader-setting-section { padding: 20px; border-bottom: 1px solid var(--reader-border); }
.reader-setting-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.reader-setting-title h3 { margin: 0; font-size: 16px; }
.reader-setting-title span { color: var(--reader-muted); font-size: 12px; }

.reader-choice-grid { display: grid; gap: 10px; }
.reader-choice-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.reader-choice-grid > button {
    min-height: 66px;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 13px;
    border: 1px solid var(--reader-border);
    border-radius: 12px;
    color: var(--reader-text);
    text-align: left;
    background: color-mix(in srgb, var(--reader-paper) 44%, transparent);
    transition: border-color .18s ease, background-color .18s ease, transform .18s ease;
}
.reader-choice-grid > button i { color: var(--reader-accent); font-size: 24px; }
.reader-choice-grid > button > span { display: grid; gap: 1px; font-size: 14px; font-weight: 760; }
.reader-choice-grid > button small { color: var(--reader-muted); font-size: 11px; font-weight: 500; }
.reader-choice-grid > button[aria-pressed="true"] { border-color: var(--reader-accent); background: var(--reader-accent-soft); box-shadow: 0 0 0 1px var(--reader-accent) inset; }

.reader-chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.reader-chip-group > button {
    min-width: 68px;
    min-height: 40px;
    padding: 7px 13px;
    border: 1px solid var(--reader-border);
    border-radius: 9px;
    color: var(--reader-text);
    background: transparent;
    font-size: 13px;
    font-weight: 650;
    transition: color .18s ease, border-color .18s ease, background-color .18s ease, transform .18s ease;
}
.reader-chip-group > button:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--reader-accent) 52%, var(--reader-border)); }
.reader-chip-group > button[aria-pressed="true"] { border-color: var(--reader-accent); color: var(--reader-accent); background: var(--reader-accent-soft); box-shadow: 0 0 0 1px var(--reader-accent) inset; }
.reader-setting-section[data-disabled="true"] { opacity: .48; }
.reader-setting-section[data-disabled="true"] button { pointer-events: none; }

.reader-theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.reader-theme-grid > button {
    min-height: 72px;
    display: grid;
    place-items: center;
    gap: 5px;
    padding: 7px 4px;
    border: 1px solid transparent;
    border-radius: 11px;
    color: var(--reader-text);
    background: transparent;
    font-size: 12px;
}
.reader-theme-grid > button > span { width: 34px; height: 34px; border: 1px solid rgba(40, 40, 40, .16); border-radius: 50%; background: var(--swatch); box-shadow: inset 0 0 0 4px rgba(255, 255, 255, .3), 0 3px 8px rgba(0, 0, 0, .08); }
.reader-theme-grid > button[data-value="white"] > span { --swatch: #fff; }
.reader-theme-grid > button[data-value="eye"] > span { --swatch: #dfead8; }
.reader-theme-grid > button[data-value="paper"] > span { --swatch: #f2e6cf; }
.reader-theme-grid > button[data-value="night"] > span { --swatch: #17191d; }
.reader-theme-grid > button[aria-pressed="true"] { border-color: var(--reader-accent); color: var(--reader-accent); background: var(--reader-accent-soft); }

.reader-font-line { min-height: 52px; display: grid; grid-template-columns: 52px minmax(0, 1fr); align-items: center; gap: 10px; border-bottom: 1px dashed var(--reader-border); }
.reader-font-line > span { color: var(--reader-muted); font-size: 13px; font-weight: 700; }
.reader-font-line .reader-chip-group { flex-wrap: nowrap; }
.reader-font-line .reader-chip-group > button { min-width: 0; flex: 1; }
.reader-range-stack { padding: 10px 0; border-bottom: 1px dashed var(--reader-border); }
.reader-range-row { min-height: 50px; display: grid; grid-template-columns: 40px 38px minmax(80px, 1fr) 38px 47px; align-items: center; gap: 6px; }
.reader-range-row > span { color: var(--reader-muted); font-size: 13px; font-weight: 700; }
.reader-range-row > button { width: 36px; height: 36px; display: grid; place-items: center; padding: 0; border: 1px solid var(--reader-border); border-radius: 8px; color: var(--reader-text); background: transparent; font-size: 22px; line-height: 1; }
.reader-range-row output { color: var(--reader-text); font-size: 12px; font-variant-numeric: tabular-nums; text-align: right; }
.reader-range-row input[type="range"] { --range-progress: 50%; width: 100%; height: 28px; margin: 0; appearance: none; border: 0; outline: 0; background: transparent; cursor: pointer; }
.reader-range-row input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 99px; background: linear-gradient(90deg, var(--reader-accent) var(--range-progress), color-mix(in srgb, var(--reader-muted) 28%, transparent) var(--range-progress)); }
.reader-range-row input[type="range"]::-webkit-slider-thumb { width: 19px; height: 19px; margin-top: -7.5px; appearance: none; border: 3px solid var(--reader-panel); border-radius: 50%; background: var(--reader-accent); box-shadow: 0 1px 7px rgba(0, 0, 0, .22); }
.reader-range-row input[type="range"]::-moz-range-track { height: 4px; border: 0; border-radius: 99px; background: color-mix(in srgb, var(--reader-muted) 28%, transparent); }
.reader-range-row input[type="range"]::-moz-range-progress { height: 4px; border-radius: 99px; background: var(--reader-accent); }
.reader-range-row input[type="range"]::-moz-range-thumb { width: 15px; height: 15px; border: 3px solid var(--reader-panel); border-radius: 50%; background: var(--reader-accent); }

.reader-settings-actions { min-height: 72px; display: grid; grid-template-columns: 1fr 1.35fr; gap: 10px; padding: 12px 20px max(12px, env(safe-area-inset-bottom)); border-top: 1px solid var(--reader-border); background: var(--reader-panel); }
.reader-settings-actions > button { min-height: 46px; border: 1px solid var(--reader-border); border-radius: 10px; color: var(--reader-text); background: transparent; font-size: 14px; font-weight: 750; }
.reader-settings-actions > button:first-child { display: flex; align-items: center; justify-content: center; gap: 6px; }
.reader-settings-actions > button:last-child { border-color: var(--reader-accent); color: #fff; background: var(--reader-accent); }

.reader-pro .reader-article,
.reader-pro .m-reader-article { color: var(--reader-text); background: var(--reader-paper); border-color: var(--reader-border); transition: width .28s ease, color .3s ease, background-color .3s ease, padding .28s ease; }
.reader-pro .reader-article { width: min(calc(var(--reader-width) + (var(--reader-page-padding) * 2)), calc(100% - 150px)); padding: 52px var(--reader-page-padding); }
.reader-pro .reader-heading,
.reader-pro .m-reader-heading { color: var(--reader-text); border-color: var(--reader-border); }
.reader-pro .reader-heading > p,
.reader-pro .reader-heading > div,
.reader-pro .m-reader-heading small,
.reader-pro .m-reader-heading p { color: var(--reader-muted); }
.reader-pro [data-chapter-content] {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif;
    font-size: var(--reader-font-size);
    font-weight: var(--reader-font-weight, 400);
    line-height: var(--reader-line-height);
    letter-spacing: var(--reader-letter-spacing);
    overflow-wrap: break-word;
    word-break: normal;
    line-break: strict;
    word-spacing: normal;
    text-align: start;
    text-align-last: start;
    white-space: normal;
    text-rendering: optimizeLegibility;
    transition: font-size .2s ease, line-height .2s ease, letter-spacing .2s ease;
}
.reader-pro[data-font="system"] [data-chapter-content] { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; }
.reader-pro[data-font="sans"] [data-chapter-content] { font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; }
.reader-pro [data-chapter-content] p { margin: 0 0 var(--reader-paragraph-spacing); text-indent: var(--reader-indent); }
.reader-stage { position: relative; width: 100%; min-width: 0; overflow: visible; }

.reader-pro[data-mode="paged"] .reader-stage { height: var(--reader-page-height, 560px); overflow: hidden; overscroll-behavior: none; touch-action: pan-y; }
.reader-pro[data-mode="paged"] [data-chapter-content] {
    height: 100%;
    columns: auto var(--reader-page-width, 640px);
    column-gap: 0;
    column-fill: auto;
    overflow-wrap: break-word;
    word-break: normal;
    line-break: strict;
    text-align: start;
    text-align-last: start;
}
.reader-pro[data-mode="paged"] .reader-heading { margin-bottom: 24px; }
.reader-pro[data-mode="paged"] .chapter-footer,
.reader-pro[data-mode="paged"] .m-reader-footer { margin-top: 30px; }

.reader-page-controls {
    position: sticky;
    z-index: 40;
    bottom: 14px;
    width: min(420px, calc(100% - 16px));
    min-height: 52px;
    margin: 18px auto 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    overflow: hidden;
    border: 1px solid var(--reader-border);
    border-radius: 16px;
    background: color-mix(in srgb, var(--reader-panel) 91%, transparent);
    box-shadow: 0 10px 30px rgba(25, 21, 17, .14);
    backdrop-filter: blur(18px);
}
.reader-page-controls[hidden] { display: none !important; }
.reader-page-controls button { min-height: 52px; display: flex; align-items: center; justify-content: center; gap: 4px; border: 0; color: var(--reader-text); background: transparent; font-size: 14px; font-weight: 730; }
.reader-page-controls button:hover { color: var(--reader-accent); background: var(--reader-accent-soft); }
.reader-page-controls button:disabled { color: var(--reader-muted); opacity: .42; pointer-events: none; }
.reader-page-controls i { font-size: 20px; }
.reader-page-controls output { min-width: 78px; display: flex; justify-content: center; gap: 5px; color: var(--reader-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.reader-page-controls output strong { color: var(--reader-accent); font-size: 15px; }

.reader-stage.reader-page-effect--cover { animation: readerPageCover .32s cubic-bezier(.24, .76, .28, 1) both; transform-origin: var(--reader-turn-origin, right) center; }
.reader-stage.reader-page-effect--fade { animation: readerPageFade .24s ease both; }
.reader-pro[data-animation="slide"] .reader-stage { scroll-behavior: smooth; }
.reader-pro[data-animation="none"] .reader-stage { scroll-behavior: auto; }

.reader-pro .reader-rights-lock,
.reader-pro .m-reader-lock { border-color: color-mix(in srgb, var(--reader-accent) 30%, var(--reader-border)); background: color-mix(in srgb, var(--reader-panel) 48%, transparent); }
.reader-pro .reader-rights-lock p:not(.section-kicker),
.reader-pro .m-reader-lock p { color: var(--reader-muted); }
.reader-pro .reader-nav,
.reader-pro .m-reader-footer,
.reader-pro .chapter-footer { border-color: var(--reader-border); }
.reader-pro .reader-nav a,
.reader-pro .m-reader-footer a,
.reader-pro .m-reader-footer span { border-color: var(--reader-border); color: var(--reader-text); }

.reader-score-select { position: relative; min-width: 170px; display: grid; }
.reader-score-select > .reader-score-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.reader-score-select select { min-height: 42px; padding: 0 38px 0 13px; appearance: none; border: 1px solid var(--reader-border); border-radius: 9px; color: var(--reader-text); background: var(--reader-panel); cursor: pointer; }
.reader-score-select .wy-select { width: 100%; }
.reader-score-select .wy-select-trigger { min-height: 42px; color: var(--reader-text); border-color: var(--reader-border); border-radius: 9px; background: var(--reader-panel); }
.reader-score-select .wy-select-menu { color: var(--reader-text); border-color: var(--reader-border); background: var(--reader-panel); }

.reader-settings-open { overflow: hidden; }

@keyframes readerPanelIn { from { opacity: .55; transform: translateX(32px); } to { opacity: 1; transform: translateX(0); } }
@keyframes readerBackdropIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes readerPageCover { 0% { opacity: .7; transform: perspective(1200px) rotateY(var(--reader-turn-angle, -2deg)) scale(.992); } 100% { opacity: 1; transform: perspective(1200px) rotateY(0) scale(1); } }
@keyframes readerPageFade { 0% { opacity: .32; } 100% { opacity: 1; } }

@media (max-width: 900px) {
    .reader-pro { --reader-font-size: 22px; --reader-page-padding: 22px; width: 100%; }
    .reader-pro .m-reader-top {
        min-height: 56px;
        grid-template-columns: 72px minmax(0, 1fr) 72px;
        padding: 0 10px;
        border-color: var(--reader-border);
        color: var(--reader-text);
        background: color-mix(in srgb, var(--reader-paper) 92%, transparent);
        backdrop-filter: blur(18px);
    }
    .reader-pro .m-reader-top a,
    .reader-pro .m-reader-top button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 2px; color: var(--reader-text); font-size: 14px; font-weight: 670; }
    .reader-pro .m-reader-top i { font-size: 22px; }
    .reader-pro .m-reader-article { width: min(var(--reader-width), 100%); padding: 28px var(--reader-page-padding) 78px; }
    .reader-pro .m-reader-heading { margin-bottom: 30px; }
    .reader-pro .m-reader-heading h1 { margin: 8px 0 12px; font-size: 28px; font-weight: 620; line-height: 1.3; }
    .reader-pro .m-reader-heading small { font-size: 13px; }
    .reader-pro .m-reader-heading p { gap: 11px; font-size: 12px; }
    .reader-pro .m-reader-footer a,
    .reader-pro .m-reader-footer span { min-height: 50px; font-size: 15px; font-weight: 700; }
    .reader-pro .reader-settings-pro {
        inset: auto 0 0;
        width: 100%;
        height: auto;
        max-height: min(86dvh, 790px);
        border: 0;
        border-top: 1px solid var(--reader-border);
        border-radius: 22px 22px 0 0;
        box-shadow: 0 -20px 60px rgba(20, 17, 14, .22);
        animation-name: readerPanelUp;
    }
    .reader-settings-head { min-height: 70px; padding: 14px 18px; }
    .reader-settings-head::before { position: absolute; top: 7px; left: 50%; width: 38px; height: 4px; border-radius: 99px; background: var(--reader-border); content: ""; transform: translateX(-50%); }
    .reader-setting-section { padding: 18px; }
    .reader-setting-title h3 { font-size: 17px; }
    .reader-setting-title span { font-size: 12px; }
    .reader-choice-grid > button { min-height: 70px; }
    .reader-chip-group > button { min-height: 42px; font-size: 14px; }
    .reader-theme-grid > button { min-height: 74px; font-size: 13px; }
    .reader-font-line { min-height: 58px; grid-template-columns: 46px minmax(0, 1fr); }
    .reader-font-line > span,
    .reader-range-row > span { font-size: 14px; }
    .reader-range-row { min-height: 54px; grid-template-columns: 38px 40px minmax(70px, 1fr) 40px 47px; gap: 5px; }
    .reader-range-row > button { width: 40px; height: 40px; }
    .reader-settings-actions { min-height: 76px; padding-inline: 18px; }
    .reader-settings-actions > button { min-height: 50px; font-size: 15px; }
    .reader-page-controls { bottom: max(12px, env(safe-area-inset-bottom)); min-height: 56px; }
    .reader-page-controls button { min-height: 56px; font-size: 15px; }
    .reader-pro[data-mode="paged"] .m-reader-article { padding-bottom: 24px; }
    .reader-pro[data-mode="paged"] .m-reader-heading { margin-bottom: 20px; }
    .reader-pro[data-mode="paged"] .m-reader-footer { margin-top: 24px; }
}

@media (max-width: 370px) {
    .reader-pro { --reader-page-padding: 18px; }
    .reader-setting-section { padding-inline: 14px; }
    .reader-range-row { grid-template-columns: 36px 36px minmax(62px, 1fr) 36px 43px; gap: 3px; }
    .reader-range-row > button { width: 36px; height: 36px; }
    .reader-font-line .reader-chip-group { gap: 5px; }
    .reader-font-line .reader-chip-group > button { padding-inline: 7px; }
}

@keyframes readerPanelUp { from { opacity: .65; transform: translateY(36px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
    .reader-pro *,
    .reader-settings-backdrop { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}