/* Base styles for the whole app — variables, theme, navbar, layout */
html {
    scrollbar-gutter: stable;
}

/* scrollbar-gutter already reserves space; cancel Bootstrap scroll-lock padding */
body:has(.offcanvas.show),
body:has(.offcanvas.showing),
body.modal-open {
    padding-right: 0 !important;
    margin-right: 0 !important;
}

body:has(.offcanvas.show) .fixed-top,
body:has(.offcanvas.show) .fixed-bottom,
body:has(.offcanvas.show) .is-fixed,
body:has(.offcanvas.show) .sticky-top,
body:has(.offcanvas.showing) .fixed-top,
body:has(.offcanvas.showing) .fixed-bottom,
body:has(.offcanvas.showing) .is-fixed,
body:has(.offcanvas.showing) .sticky-top,
body.modal-open .fixed-top,
body.modal-open .fixed-bottom,
body.modal-open .is-fixed,
body.modal-open .sticky-top {
    padding-right: 0 !important;
    margin-right: 0 !important;
}

:root {
    --reader-icon-btn-size: 2.5rem;
    --reader-icon-btn-glyph: 1.1rem;
    --reader-navbar-height: 56px;
    --reader-font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
    --reader-font-sans:
        "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --reader-bg-light: #faf9f7;
    --reader-text-light: #2c2b28;
    --reader-border-light: #e6e2dc;
    --reader-bg-dark: #1e1e1e;
    --reader-text-dark: #e0e0e0;
    --reader-border-dark: #33302c;
    --reader-container-max-width: 840px;
}

body {
    background: var(--reader-bg-light);
    transition:
        background 0.2s ease,
        color 0.2s ease;
    font-family: var(--reader-font-sans);
    color: var(--reader-text-light);
}

/* Dark theme styles */
body.dark-mode {
    background: var(--reader-bg-dark);
    color: var(--reader-text-dark);
}

body.dark-mode .reader-container,
body.dark-mode .card {
    background: var(--reader-bg-dark);
    border-color: var(--reader-border-dark);
}

body.dark-mode .navbar,
body.dark-mode .offcanvas {
    background-color: #121212 !important;
    border-color: #2c2c2c;
}

body.dark-mode .text-muted {
    color: #9e9e9e !important;
}

body.dark-mode .btn-outline-secondary {
    color: #ccc;
    border-color: #555;
}

body.dark-mode .btn-outline-secondary:hover {
    background: #2c2c2c;
    border-color: #777;
}

.reader-navbar {
    --bs-navbar-padding-y: 0;
    min-height: var(--reader-navbar-height);
    padding-top: 0;
    padding-bottom: 0;
}

.reader-navbar .container {
    min-height: var(--reader-navbar-height);
    height: var(--reader-navbar-height);
}

@media (max-width: 991.98px) {
    .navbar > .container {
        max-width: 100%;
    }
}

.reader-navbar .reader-navbar-center .navbar-brand {
    margin-right: 0;
    padding-top: 0;
    padding-bottom: 0;
}

.reader-navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.reader-navbar-brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.125rem;
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
    transform: translateY(0.08rem);
}

.reader-navbar-brand .reader-navbar-brand-text {
    font-family: var(--reader-font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}


/* Brand centered in the gap between left and right navbar controls */
.reader-navbar--split .reader-navbar-start,
.reader-navbar--split .reader-navbar-end {
    flex: 0 0 auto;
}

.reader-navbar--split .reader-navbar-center {
    flex: 1 1 0;
    min-width: 0;
}

@media (max-width: 991.98px) {
    .reader-navbar--split.reader-navbar--brand-centered > .container {
        position: relative;
    }

    .reader-navbar--split.reader-navbar--brand-centered .reader-navbar-center {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        flex: none;
        width: max-content;
        max-width: calc(100% - 2rem);
        pointer-events: none;
        z-index: 0;
    }

    .reader-navbar--split.reader-navbar--brand-centered .reader-navbar-center .navbar-brand {
        pointer-events: auto;
        max-width: 100%;
    }

    .reader-navbar--split.reader-navbar--brand-centered .reader-navbar-start,
    .reader-navbar--split.reader-navbar--brand-centered .reader-navbar-end {
        position: relative;
        z-index: 1;
    }

    .reader-navbar--split.reader-navbar--brand-centered .reader-navbar-end {
        margin-left: auto;
    }
}

.navbar-expand-lg .navbar-brand {
    color: inherit;
}

.navbar-expand-lg .navbar-brand .reader-navbar-brand-icon,
.navbar-expand-lg .navbar-brand .reader-navbar-brand-text {
    color: #8f4a00;
}

/* Иконка бренда уступает место кнопке аудио в navbar (см. chapterAudioBtnNav в js/reader/chapter-audio.js) */
.reader-navbar:has(#chapterAudioBtnNav[aria-hidden="false"])
    .reader-navbar-brand-icon {
    display: none !important;
}

body.dark-mode .navbar-expand-lg .navbar-brand .reader-navbar-brand-icon,
body.dark-mode .navbar-expand-lg .navbar-brand .reader-navbar-brand-text {
    color: #e6a177;
}

body.dark-mode .btn-close {
    background: transparent
        url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='white'%3e%3cpath d='M.293.293a1 1 0 011.414 0L8 6.586 14.293.293a1 1 0 111.414 1.414L9.414 8l6.293 6.293a1 1 0 01-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 01-1.414-1.414L6.586 8 .293 1.707a1 1 0 010-1.414z'/%3e%3c/svg%3e")
        center/1em auto no-repeat;
}
body.dark-mode .offcanvas-title {
    color: #ccc;
}
body.dark-mode .toc-link {
    color: #ccc;
}

.reader-container {
    max-width: var(--reader-container-max-width);
    margin: 0 auto;
    background: inherit;
    padding: 2rem 1.5rem;
}

/* Typography for reading */
.reader-content {
    font-family: var(--reader-font-serif);
    font-size: 1.2rem;
    line-height: 1.7;
    letter-spacing: 0.01em;
}

@media (min-width: 1200px) {
    .reader-content {
        font-size: 1.4rem;
    }
}

/* Headings inside reader */
.reader-content .chapter-marker {
    font-family: var(--reader-font-sans);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    color: #b85c00;
    margin-bottom: 1rem;
    font-weight: 500;
}
.book-chapter-marker {
    font-family: var(--reader-font-sans);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #b85c00;
    margin: 0;
    font-weight: 500;
    flex: 1;
    min-width: 0;
}

.reader-content .book-chapter-marker,
.reader-content .boxes-page-title,
.reader-content .boxes-page-title-btn,
.auth-intro {
    font-size: 1.2rem;
    line-height: inherit;
}

@media (min-width: 922px) {
    .reader-content .book-chapter-marker,
    .reader-content .boxes-page-title,
    .reader-content .boxes-page-title-btn,
    .auth-intro {
        font-size: 1.4rem;
    }
}

body.dark-mode .reader-content .book-chapter-marker {
    color: #e6a177;
}

.reader-content .boxes-page-title {
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: none;
}

.reader-content .book-chapter-header {
    margin-top: 0.25rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 992px) {
    .reader-content .book-chapter-header {
        margin-top: 1rem;
    }
}

.reader-content .book-chapter-header-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 0.75rem;
}

.reader-content .book-chapter-header-top .boxes-page-title,
.reader-content .book-chapter-header-top .boxes-page-title-btn {
    flex: unset;
    width: 100%;
    min-width: 0;
    margin: 0;
}

/* Navbar pill controls (return link, settings, etc.) */
.search-return-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1.05rem 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--reader-border-light, #e6e2dc);
    background: rgba(255, 255, 255, 0.72);
    font-family: var(--reader-font-sans, inherit);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: #8f4a00;
    text-decoration: none;
    box-shadow: 0 1px 4px rgba(44, 43, 40, 0.06);
    transition:
        color 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

button.search-return-link {
    cursor: pointer;
    appearance: none;
    line-height: 1;
}

button.search-return-link:focus {
    outline: none;
    box-shadow: 0 1px 4px rgba(44, 43, 40, 0.06);
}

.search-return-link--icon {
    max-width: none;
    width: var(--reader-icon-btn-size);
    height: var(--reader-icon-btn-size);
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    flex-shrink: 0;
}

.search-return-link--icon .bi {
    font-size: var(--reader-icon-btn-glyph);
    line-height: 1;
    opacity: 0.9;
}

.search-return-link--icon .reader-favorites-icon {
    font-size: 1rem;
}

.search-return-link__label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.reader-navbar--split .reader-nav-tool-btn {
    min-height: 2.5rem;
    align-items: center;
    line-height: 1.25;
    box-sizing: border-box;
}

.reader-navbar--split .reader-nav-tool-btn .bi {
    font-size: 1rem;
    line-height: 1;
    opacity: 0.9;
    flex-shrink: 0;
}

.reader-navbar--split .reader-nav-tool-btn .search-return-link__label {
    display: none;
}

@media (min-width: 992px) {
    .reader-navbar--split .reader-nav-tool-btn {
        max-width: none;
        padding: 0.4rem 0.85rem 0.4rem 0.7rem;
        font-size: 0.8125rem;
    }

    .reader-navbar--split .reader-nav-tool-btn .search-return-link__label {
        display: inline;
    }
}

@media (max-width: 991.98px) {
    .reader-navbar--split .reader-navbar-start > .reader-nav-tool-btn,
    .reader-navbar--split .reader-navbar-start > a.reader-nav-tool-btn,
    .reader-navbar--split .reader-navbar-start > .dropdown > .reader-nav-tool-btn,
    .reader-navbar--split .reader-navbar-end > .reader-nav-tool-btn,
    .reader-navbar--split .reader-navbar-end > a.reader-nav-tool-btn,
    .reader-navbar--split .reader-navbar-end > .dropdown > .reader-nav-tool-btn {
        max-width: none;
        width: var(--reader-icon-btn-size);
        height: var(--reader-icon-btn-size);
        padding: 0;
        border-radius: 50%;
        justify-content: center;
        gap: 0;
    }

    .reader-navbar--split .reader-navbar-start > .reader-nav-tool-btn .bi,
    .reader-navbar--split .reader-navbar-start > a.reader-nav-tool-btn .bi,
    .reader-navbar--split .reader-navbar-start > .dropdown > .reader-nav-tool-btn .bi,
    .reader-navbar--split .reader-navbar-end > .reader-nav-tool-btn .bi,
    .reader-navbar--split .reader-navbar-end > a.reader-nav-tool-btn .bi,
    .reader-navbar--split .reader-navbar-end > .dropdown > .reader-nav-tool-btn .bi {
        font-size: var(--reader-icon-btn-glyph);
    }

    .reader-navbar--split .reader-nav-tool-btn .reader-favorites-icon {
        font-size: 1rem;
    }
}

.reader-navbar-end--tools,
.reader-navbar--split .reader-navbar-end {
    position: relative;
    gap: 0.5rem;
}

.reader-navbar-end--tools > .dropdown,
.reader-navbar--split .reader-navbar-end > .dropdown {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    margin: 0;
}

.reader-navbar-end--tools > button.search-return-link,
.reader-navbar-end--tools > a.search-return-link,
.reader-navbar-end--tools > .dropdown > button.search-return-link,
.reader-navbar--split .reader-navbar-end > button.search-return-link,
.reader-navbar--split .reader-navbar-end > a.search-return-link,
.reader-navbar--split .reader-navbar-end > .dropdown > button.search-return-link {
    margin: 0;
    flex-shrink: 0;
}

.reader-nav-more-dropdown.dropdown-menu {
    min-width: 9.75rem;
    margin-top: 0.7rem;
    padding: 0.3rem;
}

body.dark-mode .reader-nav-more-dropdown.dropdown-menu {
    background-color: #121212;
    border: 1px solid #2c2c2c;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
}

.reader-nav-more-item {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--reader-font-sans);
    font-weight: 600;
    font-size: 0.875rem;
    color: #8f4a00;
}

.reader-nav-more-item .bi {
    font-size: 1rem;
    line-height: 1;
    opacity: 0.9;
}

.reader-nav-more-item:hover,
.reader-nav-more-item:focus {
    color: #b85c00;
    background-color: rgba(184, 92, 0, 0.08);
}

body.dark-mode .reader-nav-more-item {
    color: #d28e65;
}

body.dark-mode .reader-nav-more-item:hover,
body.dark-mode .reader-nav-more-item:focus {
    color: #e6a177;
    background-color: rgba(230, 161, 119, 0.12);
}

@media (max-width: 991.98px) {
    .reader-nav-more-dropdown.dropdown-menu {
        min-width: 12.5rem;
        padding: 0.35rem;
    }

    .reader-nav-more-item {
        padding: 0.65rem 0.75rem;
        font-size: 0.9375rem;
        border-radius: 0.65rem;
    }

    .reader-nav-more-item .bi {
        font-size: 1.1rem;
    }
}

.search-return-link:not(.search-return-link--icon) .bi {
    font-size: 1rem;
    line-height: 1;
    opacity: 0.9;
}

.search-return-link:hover {
    color: #b85c00;
    border-color: rgba(184, 92, 0, 0.4);
    background: #fff;
    box-shadow: 0 2px 10px rgba(184, 92, 0, 0.14);
    text-decoration: none;
}

.search-return-link:focus-visible {
    outline: 2px solid #b85c00;
    outline-offset: 3px;
}

body.dark-mode .search-return-link {
    color: #e6a177;
    border-color: var(--reader-border-dark, #33302c);
    background: rgba(30, 30, 30, 0.9);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.28);
}

body.dark-mode button.search-return-link:focus {
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.28);
}

body.dark-mode .search-return-link:hover {
    color: #f0c4a8;
    border-color: rgba(230, 161, 119, 0.45);
    background: #2a2622;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

body.dark-mode .search-return-link:focus-visible {
    outline-color: #e6a177;
}

/* Button adjustments */
.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.reader-settings-dropdown-inner {
    min-width: 10.5rem;
}

.reader-settings-dropdown.dropdown-menu {
    margin-top: 0.7rem;
    padding: 1rem 0.5rem;
}

.reader-settings-action {
    justify-content: center;
    text-decoration: none;
}

.reader-settings-action--plain {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    justify-content: center;
    padding: 0.55rem 0.45rem 0.2rem;
    border: 0;
    border-radius: 0.6rem;
    background: transparent;
    box-shadow: none;
    color: #8f4a00;
    font-family: var(--reader-font-sans);
    font-weight: 600;
    letter-spacing: 0.01em;
}

body.dark-mode .reader-settings-action--plain {
    color: #d28e65;
}

.reader-settings-action--plain:hover,
.reader-settings-action--plain:focus,
.reader-settings-action--plain:active {
    background: transparent;
    box-shadow: none;
    color: #b85c00;
    text-decoration: none;
}

body.dark-mode .reader-settings-action--plain:hover,
body.dark-mode .reader-settings-action--plain:focus,
body.dark-mode .reader-settings-action--plain:active {
    color: #e6a177;
}

.reader-settings-action--plain:focus-visible {
    outline: 2px solid #b85c00;
    outline-offset: 2px;
}

body.dark-mode .reader-settings-action--plain:focus-visible {
    outline-color: #e6a177;
}

.reader-settings-action--plain .bi {
    font-size: 1.1rem;
    line-height: 1;
    opacity: 0.9;
}

.reader-settings-divider {
    margin: 0.5rem 0;
    border: 0;
    border-top: 1px solid var(--reader-border-light, #e6e2dc);
    opacity: 1;
}

body.dark-mode .reader-settings-divider {
    border-top-color: var(--reader-border-dark, #33302c);
}

/* Reader settings: segmented controls */
.reader-setting-block {
    display: grid;
    gap: 0.45rem;
}

.reader-setting-label {
    font-family: var(--reader-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(44, 43, 40, 0.65);
    padding: 0 0.25rem;
}

body.dark-mode .reader-setting-label {
    color: rgba(255, 255, 255, 0.6);
}

.reader-segmented {
    --seg-bg: rgba(255, 255, 255, 0.72);
    --seg-border: var(--reader-border-light, #e6e2dc);
    --seg-text: #8f4a00;
    --seg-active-bg: rgba(184, 92, 0, 0.12);
    --seg-active-text: var(--seg-text);
    --seg-active-border: rgba(184, 92, 0, 0.35);

    background: var(--seg-bg);
    border: 1px solid var(--seg-border);
    border-radius: 999px;
    padding: 0.2rem;
    box-shadow: 0 1px 4px rgba(44, 43, 40, 0.06);
    overflow: hidden;
}

body.dark-mode .reader-segmented {
    --seg-bg: rgba(30, 30, 30, 0.9);
    --seg-border: var(--reader-border-dark, #33302c);
    --seg-text: #d0ccc6;
    --seg-active-bg: #0f0f0f;
    --seg-active-text: #fff;
    --seg-active-border: rgba(230, 161, 119, 0.45);

    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.28);
}

.reader-segmented__btn {
    border: 0;
    border-radius: 999px !important;
    padding: 0.55rem 0.7rem;
    min-height: 2.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-family: var(--reader-font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--seg-text);
    background: transparent;
    transition:
        background 0.15s ease,
        color 0.15s ease,
        transform 0.1s ease;
}

.reader-segmented__btn:hover {
    background: rgba(184, 92, 0, 0.08);
    color: var(--seg-text);
}

body.dark-mode .reader-segmented__btn:hover {
    background: rgba(230, 161, 119, 0.12);
    color: var(--seg-text);
}

.reader-segmented__btn:active {
    transform: scale(0.985);
}

.reader-segmented__btn:focus-visible {
    outline: 2px solid #b85c00;
    outline-offset: 2px;
}

body.dark-mode .reader-segmented__btn:focus-visible {
    outline-color: #e6a177;
}

.reader-segmented__btn.is-active {
    background: var(--seg-active-bg);
    color: var(--seg-active-text);
    box-shadow: inset 0 0 0 1px var(--seg-active-border);
}

.reader-segmented__btn.is-active:hover {
    background: var(--seg-active-bg);
    color: var(--seg-active-text);
}

.reader-segmented__btn .bi {
    font-size: 1.05rem;
    line-height: 1;
}

.reader-segmented__btn--text {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
}

.reader-segmented--language .reader-segmented__btn {
    font-size: 0.8rem;
    min-height: 2.15rem;
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
}

.reader-aa {
    display: inline-block;
    line-height: 1;
    font-family: var(--reader-font-sans);
    letter-spacing: -0.02em;
}

.reader-aa--sm {
    font-size: 0.9rem;
}
.reader-aa--md {
    font-size: 1.05rem;
}
.reader-aa--lg {
    font-size: 1.18rem;
}

.reader-segmented__btn--font {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

body.dark-mode .reader-settings-dropdown.dropdown-menu {
    background-color: #121212;
    border-color: #2c2c2c;
}

footer {
    border-top: 1px solid var(--reader-border-light);
}
body.dark-mode footer {
    border-top-color: var(--reader-border-dark);
}