/* The reader — docs/design/system/reading.md. Paper, sepia, night; five sizes; one paperback page. */

:root { --r-bg: #F7F2E8; --r-ink: #22201C; --r-ink-2: #5C554C; --r-bar: #EDE4D3; --r-rule: #D9CDB6; --r-size: 18px; }
@media (min-width: 700px) { :root { --r-size: 20px; } }
@media (prefers-color-scheme: dark) { :root:not([data-mode]) { --r-bg: #0E1214; --r-ink: #C9C1B2; --r-ink-2: #8F887C; --r-bar: #151B1F; --r-rule: #2A3338; } }
:root[data-mode="paper"] { --r-bg: #F7F2E8; --r-ink: #22201C; --r-ink-2: #5C554C; --r-bar: #EDE4D3; --r-rule: #D9CDB6; }
:root[data-mode="sepia"] { --r-bg: #EADBC1; --r-ink: #3A2E22; --r-ink-2: #6B5A47; --r-bar: #E0CFB1; --r-rule: #CDB894; }
:root[data-mode="night"] { --r-bg: #0E1214; --r-ink: #C9C1B2; --r-ink-2: #8F887C; --r-bar: #151B1F; --r-rule: #2A3338; color-scheme: dark; }
:root[data-size="16"] { --r-size: 16px; } :root[data-size="18"] { --r-size: 18px; } :root[data-size="20"] { --r-size: 20px; }
:root[data-size="22"] { --r-size: 22px; } :root[data-size="24"] { --r-size: 24px; } :root[data-size="26"] { --r-size: 26px; }

body.is-reader { background: var(--r-bg); color: var(--r-ink); }

.reader__bar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 48px 1fr 48px; align-items: center; height: 56px; padding: 0 8px; background: var(--r-bar); color: var(--r-ink-2); transition: transform .2s ease; }
.reader__bar.is-hidden { transform: translateY(-100%); }
.reader__back { display: grid; place-items: center; width: 44px; height: 44px; color: var(--r-ink-2); }
.reader__where { text-align: center; font: 600 15px/1.2 var(--sans); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.reader__progress { position: absolute; left: 0; bottom: -3px; height: 3px; width: 0; background: var(--gilt); }
.reader__settings { position: relative; justify-self: end; }
.reader__settings > summary { list-style: none; display: grid; place-items: center; width: 44px; height: 44px; font: 600 20px/1 var(--display); color: var(--r-ink-2); cursor: pointer; }
.reader__settings > summary::-webkit-details-marker { display: none; }
.settings { position: absolute; right: 0; top: 52px; width: 260px; padding: 16px; background: var(--r-bar); border: 1px solid var(--r-rule); border-radius: 8px; box-shadow: 0 16px 32px -12px rgba(0, 0, 0, .35); }
.settings__label { font: 700 12px/1 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: var(--r-ink-2); margin: 4px 0 10px; }
.settings__row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
.settings__row button { min-width: 64px; min-height: 44px; border: 1px solid var(--r-rule); border-radius: 6px; background: transparent; color: var(--r-ink); font: 600 15px/1 var(--sans); cursor: pointer; }
.settings__size { font: 600 15px/1 var(--sans); }
.settings__modes button { flex: 1; min-width: 0; }
.swatch--paper { background: #F7F2E8 !important; color: #22201C !important; }
.swatch--sepia { background: #EADBC1 !important; color: #3A2E22 !important; }
.swatch--night { background: #0E1214 !important; color: #C9C1B2 !important; }
.settings__modes button[aria-pressed="true"] { outline: 2px solid var(--gilt); outline-offset: 2px; }

.reader__resume { max-width: 64ch; margin: 16px auto 0; padding: 10px 20px; font: 500 14px/1.5 var(--sans); color: var(--r-ink-2); }
.reader__resume a { color: var(--r-ink); }

.chapter { padding: 40px 20px 0; }
.chapter__head { max-width: 64ch; margin: 0 auto 36px; text-align: center; }
.chapter__text + .chapter__head { margin-top: 96px; padding-top: 72px; border-top: 1px solid var(--line); scroll-margin-top: 72px; }
.chapter__book { font: italic 500 19px/1.3 var(--display); color: var(--r-ink-2); margin: 0 0 14px; }
html:not(.js) .reader__settings { display: none; }
.chapter__eyebrow { font: 700 12px/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--gilt); margin-bottom: 18px; }
.chapter__title { font: 500 32px/1.15 var(--display); color: var(--r-ink); margin-bottom: 16px; text-wrap: balance; }
.chapter__meta { font: 500 14px/1.5 var(--sans); color: var(--r-ink-2); letter-spacing: .02em; }
.chapter__text { max-width: 64ch; margin: 0 auto; font: 400 var(--r-size)/1.7 var(--serif); font-variant-numeric: oldstyle-nums; hanging-punctuation: first; }
.chapter__text p { margin: 0 0 .95em; }
.chapter__text p:target, .chapter__text p.is-resume { background: linear-gradient(transparent 0, transparent 100%); scroll-margin-top: 80px; }
@media (max-width: 699px) { .chapter__text { hyphens: auto; -webkit-hyphens: auto; } }
.sc { font-variant: small-caps; letter-spacing: .04em; font-variant-caps: all-small-caps; }
.drop { float: left; font: 500 calc(var(--r-size) * 4.3)/.82 var(--display); color: var(--gilt); margin: .08em .1em 0 0; }
:root[data-mode="night"] .drop { color: var(--r-ink); }
.scene-break { display: flex; justify-content: center; margin: 1.6em 0; color: var(--gilt); }
.system { margin: 1.4em 0; padding: .9em 1.1em; border: 1px solid var(--r-rule); border-left: 3px solid #A4501A; background: color-mix(in srgb, var(--r-bg) 85%, #A4501A 15%); font: 600 .78em/1.5 var(--sans); letter-spacing: .04em; }
.system p { text-indent: 0 !important; }
.system__head { font-weight: 700; letter-spacing: .18em; color: #A4501A; margin-bottom: .3em !important; }

.chapter__end { max-width: 64ch; margin: 0 auto; padding-bottom: 40px; }
.chapter__end .fleuron-rule { margin: 40px 0 16px; color: var(--gilt); }
.chapter__end-line { text-align: center; font: italic 500 22px/1.3 var(--display); color: var(--r-ink-2); }

.end, .end-letters { padding: 48px 20px !important; }
.end__inner { max-width: 560px; margin: 0 auto; }
.end__book { display: grid; grid-template-columns: 72px 1fr; gap: 18px; align-items: center; margin-bottom: 22px; }
.end__sub { font: 500 15px/1.5 var(--sans); color: var(--fog); }
.end__line { font: italic 400 17px/1.5 var(--serif); color: var(--fog); margin-top: 20px; }
.end-letters .eyebrow--gilt { color: var(--gilt); }
.is-reader .vellum { background: var(--paper); }