/* =====================================================================
   Читалка: собственный движок, темы, типографика
   ===================================================================== */

.reader-page {
    --r-bg: #ffffff;
    --r-text: #1d2621;
    --r-muted: #6d7c76;
    --r-border: #e5eae7;
    --r-panel: #ffffff;
    --r-accent: #0f8f6f;
    --r-font-size: 19px;
    --r-line: 1.75;
    --r-width: 720px;
    --r-font: 'Georgia', 'Times New Roman', serif;

    background: var(--r-bg);
    color: var(--r-text);
    min-height: 100vh;
    transition: background .2s ease, color .2s ease;
}

.reader-page[data-theme="sepia"] {
    --r-bg: #f6efe1;
    --r-text: #3d3427;
    --r-muted: #8a7c65;
    --r-border: #e4d9c4;
    --r-panel: #fdf8ee;
    --r-accent: #9a6b1f;
}
.reader-page[data-theme="dark"] {
    --r-bg: #1c2224;
    --r-text: #d7dedb;
    --r-muted: #909c98;
    --r-border: #2e3639;
    --r-panel: #232b2d;
    --r-accent: #4fc3a1;
}
.reader-page[data-theme="black"] {
    --r-bg: #000000;
    --r-text: #c8cfcc;
    --r-muted: #7c8683;
    --r-border: #1c1f1e;
    --r-panel: #0c0e0d;
    --r-accent: #4fc3a1;
}

.reader-page[data-font="sans"] { --r-font: 'Sora', system-ui, sans-serif; }
.reader-page[data-font="serif"] { --r-font: 'Georgia', 'Times New Roman', serif; }
.reader-page[data-font="mono"] { --r-font: 'SFMono-Regular', 'Consolas', monospace; }

/* Прогресс-полоса чтения */
.reader-progress {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: transparent;
    z-index: 90;
}
.reader-progress__fill {
    height: 100%;
    width: 0;
    background: var(--r-accent);
    transition: width .12s linear;
}

/* Верхняя панель */
.reader-bar {
    position: sticky;
    top: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: color-mix(in srgb, var(--r-panel) 92%, transparent);
    border-bottom: 1px solid var(--r-border);
    backdrop-filter: blur(8px);
}
.reader-bar__back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--r-text);
    font-size: 13px;
    font-weight: 500;
    font-family: 'Sora', sans-serif;
}
.reader-bar__title {
    flex: 1;
    min-width: 0;
    text-align: center;
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    color: var(--r-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.reader-bar__tools { display: flex; align-items: center; gap: 4px; }
.reader-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 38px; height: 38px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: var(--r-full);
    background: transparent;
    color: var(--r-text);
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}
.reader-btn:hover { background: color-mix(in srgb, var(--r-accent) 12%, transparent); color: var(--r-accent); }
.reader-btn.is-active { background: color-mix(in srgb, var(--r-accent) 16%, transparent); color: var(--r-accent); }

/* Текст книги */
.reader-body {
    max-width: var(--r-width);
    margin: 0 auto;
    padding: 46px 24px 120px;
    font-family: var(--r-font);
    font-size: var(--r-font-size);
    line-height: var(--r-line);
}
.reader-chapter-title {
    font-family: 'Sora', sans-serif;
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 600;
    color: var(--r-text);
    margin-bottom: 8px;
}
.reader-chapter-meta {
    font-family: 'Sora', sans-serif;
    font-size: 13px;
    color: var(--r-muted);
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--r-border);
}
.reader-text p { margin: 0 0 1.05em; text-indent: 1.5em; text-align: justify; hyphens: auto; }
.reader-text p:first-of-type { text-indent: 0; }
.reader-text h2, .reader-text h3 {
    font-family: 'Sora', sans-serif;
    color: var(--r-text);
    margin: 1.8em 0 .7em;
}
.reader-text blockquote {
    margin: 1.4em 0;
    padding: 4px 0 4px 20px;
    border-left: 3px solid var(--r-accent);
    color: var(--r-muted);
    font-style: italic;
}
.reader-text .poem { margin: 1.4em 0 1.4em 1.4em; color: var(--r-text); }
.reader-text .poem p, .reader-text .verse { text-indent: 0; text-align: left; margin-bottom: .2em; }
.reader-text .epigraph { margin: 1.6em 0 1.6em auto; max-width: 62%; font-style: italic; color: var(--r-muted); }
.reader-text .subtitle { text-align: center; font-weight: 600; text-indent: 0; margin: 1.6em 0 1em; }
.reader-text .book-image { display: block; margin: 1.6em auto; border-radius: 8px; max-width: 100%; }
.reader-text a { color: var(--r-accent); }
.reader-text hr { border: none; border-top: 1px solid var(--r-border); margin: 2em auto; width: 40%; }

/* Навигация по главам */
.reader-nav {
    max-width: var(--r-width);
    margin: 0 auto;
    padding: 0 24px 60px;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    font-family: 'Sora', sans-serif;
}
.reader-nav__link {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border: 1px solid var(--r-border);
    border-radius: 14px;
    background: var(--r-panel);
    color: var(--r-text);
    font-size: 13px;
    transition: border-color .15s ease;
}
.reader-nav__link:hover { border-color: var(--r-accent); color: var(--r-text); }
.reader-nav__link--next { justify-content: flex-end; text-align: right; }
.reader-nav__label { display: block; font-size: 11px; color: var(--r-muted); margin-bottom: 3px; }
.reader-nav__title { font-weight: 600; }

/* Панели настроек и оглавления */
.reader-panel {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: min(380px, 92vw);
    z-index: 120;
    background: var(--r-panel);
    border-left: 1px solid var(--r-border);
    box-shadow: -20px 0 50px rgba(0, 0, 0, .12);
    overflow-y: auto;
    padding: 22px;
    font-family: 'Sora', sans-serif;
}
.reader-panel__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.reader-panel__title { font-size: 17px; font-weight: 600; color: var(--r-text); }
.reader-panel__group { margin-bottom: 24px; }
.reader-panel__label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--r-muted);
    margin-bottom: 10px;
}
.reader-options { display: flex; gap: 8px; flex-wrap: wrap; }
/* Ряд из шести кнопок (размер шрифта) переносился как «4 + 2 растянутых» */
.reader-options--grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.reader-options--grid .reader-option { min-width: 0; }
.reader-option {
    flex: 1;
    min-width: 62px;
    padding: 10px 8px;
    border: 1px solid var(--r-border);
    border-radius: 10px;
    background: transparent;
    color: var(--r-text);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    text-align: center;
    transition: all .15s ease;
}
.reader-option:hover { border-color: var(--r-accent); }
.reader-option.is-active { background: var(--r-accent); border-color: var(--r-accent); color: #fff; }
.reader-option--theme { height: 46px; font-size: 12px; }
.reader-option--theme[data-value="light"] { background: #fff; color: #1d2621; }
.reader-option--theme[data-value="sepia"] { background: #f6efe1; color: #3d3427; }
.reader-option--theme[data-value="dark"] { background: #1c2224; color: #d7dedb; }
.reader-option--theme[data-value="black"] { background: #000; color: #c8cfcc; }
.reader-option--theme.is-active { outline: 2px solid var(--r-accent); outline-offset: 2px; }

.reader-toc { display: grid; gap: 2px; }
.reader-toc a {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--r-text);
    font-size: 14px;
}
.reader-toc a:hover { background: color-mix(in srgb, var(--r-accent) 10%, transparent); color: var(--r-text); }
.reader-toc a.is-current { background: color-mix(in srgb, var(--r-accent) 16%, transparent); color: var(--r-accent); font-weight: 600; }
.reader-toc__num { color: var(--r-muted); font-size: 12px; min-width: 24px; }

.reader-bookmarks { display: grid; gap: 10px; }
.reader-bookmark {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--r-border);
    border-radius: 12px;
    font-size: 13px;
}
.reader-bookmark__body { flex: 1; min-width: 0; }
.reader-bookmark__title { font-weight: 600; color: var(--r-text); }
.reader-bookmark__meta { color: var(--r-muted); font-size: 12px; }

.reader-backdrop {
    position: fixed;
    inset: 0;
    z-index: 110;
    background: rgba(10, 20, 16, .45);
}

.reader-page .visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 640px) {
    .reader-body { padding: 30px 18px 100px; }
    .reader-bar { padding: 8px 12px; }
    .reader-bar__title { display: none; }
    .reader-nav { flex-direction: column; padding: 0 18px 50px; }
}

@media print {
    .reader-bar, .reader-nav, .reader-panel, .reader-progress { display: none !important; }
    .reader-body { max-width: none; padding: 0; }
}