/* A quiet reading surface; shared by Blazor Web and MAUI. */
.bth-reader-page { --bth-reader-rail: 0px; --bth-reader-gutter: 20px; min-height: 100dvh; margin-left: var(--bth-reader-rail); padding-inline: max(var(--bth-reader-gutter), env(safe-area-inset-left, 0px)) max(var(--bth-reader-gutter), env(safe-area-inset-right, 0px)); background: var(--bth-paper); }
.bth-reader-column { max-width: 760px; margin-inline: auto; }
.bth-reader-main { padding: 26px 0 max(60px, env(safe-area-inset-bottom, 0px)); }
.bth-reader-page svg { width: 22px; height: 22px; flex-shrink: 0; }
.bth-reader-toolbar { position: sticky; top: var(--bth-reader-offline-offset, 0px); z-index: 30; display: flex; align-items: center; gap: 12px; min-height: calc(68px + env(safe-area-inset-top, 0px)); padding-block: calc(9px + env(safe-area-inset-top, 0px)) 9px; border-bottom: 1px solid var(--bth-line); background: var(--bth-paper); }
.bth-reader-toolbar-label { color: var(--bth-muted); font-size: 13px; }
.bth-reader-toolbar .bth-icon-button { border-color: transparent; border-radius: 12px; background: transparent; }
.bth-reader-tools { display: flex; align-items: center; gap: 3px; margin-left: auto; }
.bth-reader-tools .bth-reader-font { font-size: 17px; font-weight: 650; padding: 8px; letter-spacing: -.06em; }
.bth-reader-font-value { min-width: 22px; color: var(--bth-muted); font: 500 12px/1 var(--bth-font-body); text-align: center; font-variant-numeric: tabular-nums; }
.bth-reader-toolbar .is-playing { background: var(--bth-leaf-soft); color: var(--bth-leaf); }
.bth-reader-intro { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 20px; align-items: start; margin: 0 0 30px; }
.bth-reader-cover { width: 100%; aspect-ratio: 3/4; border-radius: 14px; background: var(--bth-surface); }
.bth-reader-cover img { object-fit: cover; }
.bth-reader-heading { min-width: 0; }
.bth-reader-heading h1 { margin: 9px 0 0; font-size: 28px; font-weight: 550; line-height: 1.17; overflow-wrap: anywhere; }
.bth-reader-author { margin: 9px 0 0; color: var(--bth-muted); font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.bth-reader-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 12px; color: var(--bth-muted); font-size: 12px; line-height: 1.5; }
.bth-reader-meta > span { display: inline-flex; align-items: center; gap: 5px; }
.bth-reader-meta svg { width: 15px; height: 15px; }
.bth-reader-meta > span:first-child { color: var(--bth-clay); }
.bth-reader-story-actions { display: flex; flex-wrap: wrap; gap: 4px 8px; margin-top: 9px; }
.bth-reader-story-actions button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 48px; min-height: 48px; padding: 10px 12px; border: 1px solid var(--bth-line); border-radius: 12px; background: transparent; color: var(--bth-muted); font-size: 13px; line-height: 1.35; cursor: pointer; touch-action: manipulation; }
.bth-reader-story-actions button:disabled { opacity: .55; cursor: wait; }
.bth-reader-favorite[aria-pressed="true"] { color: var(--bth-clay); background: var(--bth-clay-soft); border-color: transparent; }
.bth-reader-about { margin-top: 10px; }
.bth-reader-page summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 48px; cursor: pointer; list-style: none; }
.bth-reader-page summary::-webkit-details-marker { display: none; }
.bth-reader-page summary > svg { width: 18px; height: 18px; }
.bth-reader-page details[open] > summary > svg { transform: rotate(180deg); }
.bth-reader-about > summary { justify-content: flex-start; color: var(--bth-muted); font-size: 13px; }
.bth-reader-about-body { padding: 12px 0; color: var(--bth-muted); font-size: 14px; line-height: 1.7; overflow-wrap: anywhere; }
.bth-reader-about-body h2 { margin: 14px 0 5px; font-family: var(--bth-font-body); font-size: 13px; font-weight: 650; }
.bth-reader-about-body h2:first-child { margin-top: 0; }
.bth-reader-about-body p, .bth-reader-about-body dl { margin: 0 0 10px; }
.bth-reader-about-body dt { font-weight: 600; }
.bth-reader-about-body dd { margin: 0; }
.bth-reader-about-body ul { display: flex; flex-wrap: wrap; gap: 4px 14px; padding: 0; margin: 0; list-style: none; }
.bth-reader-text { max-width: 660px; margin-inline: auto; font: 400 var(--bth-reading-size, 20px)/1.85 var(--bth-font-display); letter-spacing: .005em; color: var(--bth-ink); overflow-wrap: break-word; }
.bth-reader-text p { margin: 0 0 1.25em; font: inherit; }
.bth-reader-stanza { white-space: pre-wrap; text-align: center; font: inherit; }
.bth-reader-text[data-stanza-spacing="preserved"] .bth-reader-stanza { margin: 0; }
.bth-reader-text[data-stanza-spacing="separate"] .bth-reader-stanza { margin: 0 0 1.4em; }
#reader-story-text, #reader-text { scroll-margin-top: calc(95px + env(safe-area-inset-top, 0px)); }
.bth-reader-end { max-width: 660px; margin: 34px auto 0; border-top: 1px solid var(--bth-line); }
.bth-reader-end:empty { display: none; }
.bth-reader-lessons, .bth-reader-feedback { padding: 12px 0; color: var(--bth-muted); }
.bth-reader-end summary { font-size: 14px; font-weight: 550; }
.bth-reader-lessons ul { padding-left: 22px; margin: 12px 0; font-size: 15px; line-height: 1.7; }
.bth-reader-lessons li { margin: 8px 0; }
.bth-reader-feedback > p { margin: 8px 0 16px; font-size: 14px; }
.bth-reader-reactions { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; align-items: stretch; }
.bth-reader-reactions button { display: flex; flex-direction: column; align-items: center; gap: 9px; min-height: 48px; min-width: 0; padding: 12px 3px; border: 1px solid transparent; border-radius: 12px; background: transparent; color: var(--bth-muted); font: 500 11px/1.45 var(--bth-font-body); cursor: pointer; touch-action: manipulation; }
.bth-reader-reactions button[aria-pressed="true"] { background: var(--bth-plum-soft); border-color: var(--bth-plum); color: var(--bth-ink); }
.bth-reader-reactions button:disabled { opacity: .55; cursor: wait; }
.bth-reader-reaction-art { width: 36px; height: 36px; flex: 0 0 36px; }
.bth-reader-login { padding-block: 22px; }
.bth-reader-login h2 { font-size: 21px; margin: 0 0 12px; }
.bth-reader-login p { margin: 0 0 14px; font-size: 14px; color: var(--bth-muted); }
.bth-reader-login a { display: inline-flex; align-items: center; min-height: 48px; color: var(--bth-plum); font-size: 14px; text-underline-offset: 4px; }
.bth-reader-state { display: flex; flex-direction: column; align-items: center; gap: 18px; max-width: 520px; margin: 55px auto; padding: 24px 0; text-align: center; }
.bth-reader-state > svg { width: 40px; height: 40px; color: var(--bth-clay); }
.bth-reader-state h1 { margin: 0; font-size: 28px; }
.bth-reader-state p { margin: 0; font-size: 15px; color: var(--bth-muted); }
.bth-reader-state-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.bth-reader-skip { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 18px; border-radius: 10px; background: var(--bth-surface); color: var(--bth-ink); }
.bth-reader-skip:focus { top: max(12px, env(safe-area-inset-top, 0px)); }
.bth-reader-navigation { display: none; }
.bth-chapter-navigation { max-width: 660px; margin: 28px auto 0; padding-block: 8px 20px; }
.bth-chapter-heading { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.bth-chapter-heading::before, .bth-chapter-heading::after { content: ""; flex: 1; height: 1px; background: var(--bth-line-strong); }
.bth-chapter-badge { flex-shrink: 0; padding: 7px 16px; border: 1px solid var(--bth-line); border-radius: 999px; background: var(--bth-plum-soft); color: var(--bth-plum); font: 600 13px/1.4 var(--bth-font-body); }
.bth-chapter-links { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 10px; }
.bth-chapter-navigation .bth-chapter-links > a { min-width: 0; min-height: 52px; padding: 12px 10px; border-radius: 14px; font-size: 14px; white-space: normal; overflow-wrap: anywhere; text-align: center; }
.bth-chapter-hint { margin: 12px 0 0; text-align: center; font-size: 13px; line-height: 1.5; }
@media (max-width: 760px), (max-width: 1024px) and (pointer: coarse) {
    .bth-reader-story-actions button > span { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}
@media (max-width: 400px) {
    .bth-reader-toolbar-label { display: none; }
    .bth-reader-intro { grid-template-columns: 88px minmax(0, 1fr); gap: 16px; }
    .bth-reader-heading h1 { font-size: 26px; }
}
@media (max-width: 380px) {
    .bth-reader-page { --bth-reader-gutter: 16px; }
    .bth-reader-reactions { gap: 3px; }
}
@media (min-width: 761px) and (pointer: fine), (min-width: 1025px) {
    .bth-reader-page { --bth-reader-rail: 236px; --bth-reader-gutter: 40px; }
    .bth-reader-guest { --bth-reader-rail: 0px; }
    .bth-reader-main { padding-top: 38px; }
    .bth-reader-toolbar { min-height: 80px; }
    .bth-reader-intro { grid-template-columns: 220px minmax(0, 1fr); align-items: center; gap: 30px; margin-bottom: 42px; }
    .bth-reader-cover { aspect-ratio: 4/3; border-radius: 18px; }
    .bth-reader-heading h1 { font-size: clamp(30px, 3vw, 40px); }
    .bth-reader-navigation { display: block; }
    .bth-reader-navigation .bth-home-navigation { background: var(--bth-paper); }
}
@media (min-width: 761px) and (max-width: 900px) and (pointer: fine) {
    .bth-reader-page:not(.bth-reader-guest) { --bth-reader-rail: 88px; --bth-reader-gutter: 26px; }
    .bth-reader-intro { grid-template-columns: 140px minmax(0, 1fr); gap: 24px; }
}
@media (max-height: 520px) and (orientation: landscape) {
    .bth-reader-main { padding-top: 16px; }
    .bth-reader-toolbar { min-height: 58px; padding-block: 5px; }
    .bth-reader-intro { grid-template-columns: 88px minmax(0, 1fr); margin-bottom: 24px; }
    .bth-reader-cover { aspect-ratio: 1; }
}
@media (hover: hover) {
    .bth-reader-story-actions button:hover:not(:disabled), .bth-reader-reactions button:hover:not(:disabled) { background: var(--bth-surface-soft); color: var(--bth-ink); }
}
@media print {
    .bth-reader-toolbar, .bth-reader-navigation, .bth-reader-story-actions, .bth-reader-end, .bth-reader-audio-dialog, .bth-reader-skip { display: none !important; }
    .bth-reader-page { margin: 0; padding: 0; background: white; --bth-ink: #222; --bth-muted: #444; }
    .bth-reader-text { max-width: none; font-size: 14pt; }
}