/* =====================================================================
   historic.day  —  a perpetual almanac
   muted-vintage / honeyed-neutral palette
   light-academia + art-deco hairline restraint
   ===================================================================== */

:root {
    /* Palette */
    --folio-cream:       #f4ecdc;
    --iron-gall:         #3b2a1c;
    --walnut:            #7a5c3e;
    --tarnished-gilt:    #a8884c;
    --bookcloth:         #5e3a2a;
    --slipcase:          #1f1208;
    --foxing:            #d6c4a3;
    --spine-cloth:       #e8d9b8;

    /* Type scale */
    --type-display:    clamp(7rem, 14vw, 11rem);
    --type-date-day:   clamp(4.5rem, 7vw, 6rem);
    --type-h2:         1.55rem;
    --type-h3:         1.05rem;
    --type-body:       1.0625rem;
    --type-margin:     0.875rem;
    --type-small:      0.78rem;
    --type-tiny:       0.68rem;

    --measure:         34em;

    --leading-body:    1.78;
    --leading-margin:  1.55;

    /* Fonts */
    --font-display:    "Cormorant Garamond", "Cormorant", serif;
    --font-sc:         "Cormorant SC", "Cormorant Garamond", serif;
    --font-body:       "EB Garamond", "Cormorant Garamond", Georgia, serif;
    --font-margin:     "Crimson Text", "EB Garamond", Georgia, serif;
    --font-rough:      "IM Fell DW Pica", "EB Garamond", serif;
    --font-ko:         "Noto Serif KR", "EB Garamond", serif;

    /* Easing */
    --ease-codex:      cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--folio-cream);
    color: var(--iron-gall);
    font-family: var(--font-body);
    font-size: var(--type-body);
    line-height: var(--leading-body);
    font-feature-settings: "onum" 1, "liga" 1, "dlig" 1, "kern" 1;
    font-variant-numeric: oldstyle-nums;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body {
    overflow-x: hidden;
    min-height: 100vh;
}

/* --------------------------------------------------------------------
   Foxing texture overlay
   -------------------------------------------------------------------- */
.foxing {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    mix-blend-mode: multiply;
    opacity: 0.05;
    z-index: 1;
}

/* --------------------------------------------------------------------
   Masthead
   -------------------------------------------------------------------- */
.masthead {
    position: relative;
    padding: 2.6rem 4vw 1.6rem 4vw;
    z-index: 5;
}

.masthead-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.4rem;
    max-width: 1500px;
    margin: 0 auto;
}

.fleuron-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--tarnished-gilt);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
}

.fleuron-row.left  { justify-content: flex-end; }
.fleuron-row.right { justify-content: flex-start; }

.rule-svg {
    flex: 1 1 auto;
    height: 14px;
    color: var(--tarnished-gilt);
    max-width: 240px;
}

.fleurons {
    color: var(--tarnished-gilt);
    font-size: 0.95rem;
    letter-spacing: 0.4em;
    white-space: nowrap;
}

.fleurons.gold { color: var(--tarnished-gilt); }

.wordmark {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.6rem, 2.6vw, 2.4rem);
    letter-spacing: -0.02em;
    color: var(--iron-gall);
    margin: 0;
    text-align: center;
    line-height: 1;
}

.wm-historic { font-style: italic; }
.wm-dot      { color: var(--tarnished-gilt); padding: 0 0.2rem; font-style: normal; }
.wm-day      { font-feature-settings: "smcp" 1; text-transform: lowercase; font-variant-caps: small-caps; letter-spacing: 0.16em; }

/* --------------------------------------------------------------------
   Ribbon-tab cluster (date-picker + lang)
   -------------------------------------------------------------------- */
.ribbon-cluster {
    position: absolute;
    top: 0;
    right: 3vw;
    display: flex;
    gap: 0.6rem;
    z-index: 10;
}

.ribbon-tab {
    position: relative;
    border: none;
    padding: 1.4rem 1.1rem 1rem 1.1rem;
    background: var(--bookcloth);
    color: var(--folio-cream);
    font-family: var(--font-rough);
    font-style: italic;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    border-radius: 0 0 4px 4px;
    box-shadow:
        inset 0 -1px 0 rgba(31, 18, 8, 0.4),
        0 6px 14px -8px rgba(31, 18, 8, 0.55);
    transition: transform 0.4s var(--ease-codex), background 0.3s ease;
}

.ribbon-tab.lang-tab {
    background: var(--bookcloth);
}

.ribbon-tab.date-tab {
    background: var(--bookcloth);
    padding-right: 1.4rem;
}

.ribbon-tab:hover {
    background: #6f4730;
    transform: translateY(2px);
}

.ribbon-fold {
    position: absolute;
    top: 0; right: 0;
    width: 14px; height: 14px;
    background: linear-gradient(135deg, transparent 50%, rgba(31, 18, 8, 0.35) 50%);
    pointer-events: none;
}

.ribbon-tab .ko-glyph {
    font-family: var(--font-ko);
    font-style: normal;
    padding-left: 0.05em;
}

/* --------------------------------------------------------------------
   Wheel overlay (perpetual calendar)
   -------------------------------------------------------------------- */
.wheel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(31, 18, 8, 0.62);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s var(--ease-codex);
}

.wheel-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.wheel-stage {
    position: relative;
    width: min(620px, 92vw);
    aspect-ratio: 1 / 1.18;
    background: var(--folio-cream);
    border: 1px solid var(--tarnished-gilt);
    box-shadow:
        0 30px 60px -20px rgba(0, 0, 0, 0.4),
        inset 0 0 0 6px var(--folio-cream),
        inset 0 0 0 7px var(--tarnished-gilt);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.wheel-close {
    position: absolute;
    top: 0.8rem;
    right: 0.9rem;
    border: none;
    background: transparent;
    color: var(--walnut);
    font-size: 1.2rem;
    cursor: pointer;
    font-family: var(--font-rough);
}

.wheel-device {
    position: relative;
    width: min(440px, 80%);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, var(--folio-cream) 0%, var(--folio-cream) 60%, var(--spine-cloth) 100%);
    border: 1px solid var(--tarnished-gilt);
    box-shadow:
        inset 0 0 0 6px var(--folio-cream),
        inset 0 0 0 7px var(--tarnished-gilt),
        inset 0 0 30px rgba(31, 18, 8, 0.08);
}

.wheel-pointer {
    position: absolute;
    top: -6px;
    left: 50%;
    width: 20px;
    height: 60px;
    transform: translateX(-50%);
    z-index: 8;
    pointer-events: none;
}

.wheel-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    transform-origin: center center;
    will-change: transform;
}

.outer-ring {
    z-index: 4;
}

.inner-ring {
    inset: 18%;
    z-index: 5;
    border: 1px solid var(--tarnished-gilt);
    box-shadow:
        inset 0 0 0 4px var(--folio-cream),
        inset 0 0 0 5px rgba(168, 136, 76, 0.5);
}

.ring-mark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: 0 0;
    color: var(--iron-gall);
    font-family: var(--font-sc);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    user-select: none;
    pointer-events: none;
}

.outer-ring .ring-mark { color: var(--bookcloth); }
.inner-ring .ring-mark { color: var(--iron-gall); font-size: 0.7rem; font-family: var(--font-rough); font-style: italic; }

.wheel-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    background: var(--bookcloth);
    border: 1px solid var(--tarnished-gilt);
    box-shadow: 0 0 0 3px var(--folio-cream), 0 0 0 4px var(--tarnished-gilt);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 6;
}

.hub-monogram {
    color: var(--tarnished-gilt);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 500;
    font-size: 1.6rem;
    letter-spacing: -0.04em;
}

.wheel-caption {
    margin-top: 1.2rem;
    color: var(--walnut);
    font-family: var(--font-rough);
    font-size: 0.84rem;
}

.wheel-readout {
    margin-top: 0.4rem;
    color: var(--iron-gall);
    font-family: var(--font-sc);
    font-size: 1.1rem;
    letter-spacing: 0.22em;
}

/* --------------------------------------------------------------------
   Codex (main content)
   -------------------------------------------------------------------- */
.codex {
    position: relative;
    z-index: 2;
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 0 6rem 0;
}

/* --------------------------------------------------------------------
   Spread (one folio per visited day)
   -------------------------------------------------------------------- */
.spread {
    position: relative;
    min-height: 140vh;
    margin: 4rem auto 8rem auto;
    padding: 4rem 4vw 4rem 4vw;
    display: grid;
    grid-template-columns: 38% 24px 1fr;
    column-gap: 0;

    /* paper */
    background: var(--folio-cream);
    box-shadow:
        0 0 0 1px rgba(168, 136, 76, 0.35),
        0 30px 60px -30px rgba(31, 18, 8, 0.35),
        0 6px 14px -10px rgba(31, 18, 8, 0.15);

    /* Page-fold reveal — clipped until in view */
    clip-path: polygon(0 100%, 100% 100%, 100% 100%, 0 100%);
    transition:
        clip-path 900ms var(--ease-codex),
        box-shadow 900ms var(--ease-codex);
}

.spread.in-view {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    box-shadow:
        0 0 0 1px rgba(168, 136, 76, 0.35),
        0 30px 60px -30px rgba(31, 18, 8, 0.35),
        0 6px 14px -10px rgba(31, 18, 8, 0.15),
        inset 0 0px 0 rgba(31, 18, 8, 0);
}

.spread::before {
    /* inner shadow of page-fold (retracts as fold flattens) */
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 -8px 18px -2px rgba(31, 18, 8, 0.18);
    transition: box-shadow 900ms var(--ease-codex);
    z-index: 1;
}

.spread.in-view::before {
    box-shadow: inset 0 0px 0 -2px rgba(31, 18, 8, 0);
}

.spread-folio {
    position: absolute;
    top: 1.2rem;
    left: 0;
    right: 0;
    text-align: center;
    color: var(--walnut);
    font-family: var(--font-rough);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    z-index: 3;
    opacity: 0.75;
}

.folio-number em { font-style: italic; }

/* --------------------------------------------------------------------
   Pages
   -------------------------------------------------------------------- */
.page {
    position: relative;
    padding: 3.4rem 2.6rem 3rem 2.6rem;
}

.page-left {
    grid-column: 1;
    border-right: 0;
    padding-right: 2.6rem;
}

.page-right {
    grid-column: 3;
    padding-left: 3.2rem;
}

/* Gutter */
.gutter {
    grid-column: 2;
    background: linear-gradient(
        to right,
        rgba(31, 18, 8, 0) 0%,
        rgba(31, 18, 8, 0.08) 30%,
        rgba(31, 18, 8, 0.16) 50%,
        rgba(31, 18, 8, 0.08) 70%,
        rgba(31, 18, 8, 0) 100%
    );
    margin: 2rem 0;
    pointer-events: none;
}

/* Page-curl shadow (bottom right) */
.page-curl {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 70px;
    height: 70px;
    background:
        linear-gradient(135deg, transparent 50%, rgba(31, 18, 8, 0.18) 51%, rgba(31, 18, 8, 0.06) 70%, transparent 75%);
    pointer-events: none;
    z-index: 2;
}

/* Stagger reveal of children */
.spread .date-block,
.spread .year-emblem,
.spread .marginalia,
.spread .entry-head,
.spread .entry-body,
.spread .and-elsewhere,
.spread .page-blossom {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 720ms var(--ease-codex), transform 720ms var(--ease-codex);
}

.spread.in-view .date-block      { opacity: 1; transform: translateY(0); transition-delay: 90ms; }
.spread.in-view .year-emblem     { opacity: 1; transform: translateY(0); transition-delay: 180ms; }
.spread.in-view .entry-head      { opacity: 1; transform: translateY(0); transition-delay: 270ms; }
.spread.in-view .entry-body      { opacity: 1; transform: translateY(0); transition-delay: 360ms; }
.spread.in-view .marginalia      { opacity: 1; transform: translateY(0); transition-delay: 450ms; }
.spread.in-view .and-elsewhere   { opacity: 1; transform: translateY(0); transition-delay: 540ms; }
.spread.in-view .page-blossom    { opacity: 1; transform: translateY(0); transition-delay: 630ms; }

/* --------------------------------------------------------------------
   Date block (left page top)
   -------------------------------------------------------------------- */
.date-block {
    margin: 0 0 1.6rem 0;
    border-bottom: 1px solid rgba(168, 136, 76, 0.4);
    padding-bottom: 0.8rem;
}

.date-month {
    margin: 0;
    color: var(--walnut);
    font-family: var(--font-sc);
    font-size: 1rem;
    letter-spacing: 0.34em;
}

.date-month .sc { font-variant-caps: small-caps; }

.date-day {
    margin: 0.2rem 0 0 0;
    font-family: var(--font-display);
    font-weight: 300;
    font-size: var(--type-date-day);
    line-height: 0.95;
    color: var(--iron-gall);
    letter-spacing: -0.04em;
}

.date-day .figure-num { font-variant-numeric: oldstyle-nums; }

/* --------------------------------------------------------------------
   Year emblem (year-as-figure)
   -------------------------------------------------------------------- */
.year-emblem {
    position: relative;
    margin: 1.4rem 0 1.6rem 0;
    height: clamp(180px, 22vw, 240px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.year-numeral {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: var(--type-display);
    line-height: 0.85;
    letter-spacing: -0.04em;
    color: var(--iron-gall);
    opacity: 0.16;
    font-variant-numeric: lining-nums;
    user-select: none;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.year-illustration {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.year-illustration .draw-paths path,
.year-illustration .draw-paths circle {
    /* Initial state — dashed out; JS computes length and animates dashoffset */
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
}

/* --------------------------------------------------------------------
   Marginalia
   -------------------------------------------------------------------- */
.marginalia {
    margin: 0;
    padding-left: 1rem;
    border-left: 0;
    box-shadow: -1px 0 0 0 var(--tarnished-gilt);
    font-family: var(--font-margin);
    font-style: italic;
    font-size: var(--type-margin);
    line-height: var(--leading-margin);
    color: var(--walnut);
    max-width: 92%;
}

.marginalia p {
    margin: 0 0 0.7em 0;
    text-indent: -0.6em;
    padding-left: 0.6em;
}

.marginalia .margin-rule {
    text-indent: 0;
    padding-left: 0;
    color: var(--tarnished-gilt);
    font-style: normal;
    font-size: 0.95rem;
    letter-spacing: 0.4em;
    margin-bottom: 0.4em;
}

/* --------------------------------------------------------------------
   Entry (right page)
   -------------------------------------------------------------------- */
.entry-head {
    margin: 0 0 1.4rem 0;
}

.kicker {
    margin: 0;
    color: var(--walnut);
    font-family: var(--font-margin);
    font-size: 0.96rem;
    line-height: 1.3;
}

.kicker em {
    color: var(--iron-gall);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.2rem;
    letter-spacing: -0.01em;
}

.sc-spaced {
    font-family: var(--font-sc);
    font-variant-caps: small-caps;
    letter-spacing: 0.22em;
    color: var(--bookcloth);
}

/* Body */
.entry-body {
    max-width: var(--measure);
}

.entry-paragraph {
    margin: 0 0 1.05em 0;
    color: var(--iron-gall);
    font-size: var(--type-body);
    line-height: var(--leading-body);
    font-feature-settings: "onum" 1, "liga" 1, "dlig" 1;
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.entry-paragraph.lead { margin-top: 0.2em; }

/* Drop-cap (with float fallback for browsers w/o initial-letter) */
.dropcap {
    float: left;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--walnut);
    font-size: 5.4em;
    line-height: 0.85;
    padding: 0.06em 0.08em 0 0;
    margin-right: 0.04em;
    letter-spacing: -0.04em;

    /* Real CSS initial-letter where supported */
    -webkit-initial-letter: 4 3;
    initial-letter: 4 3;

    opacity: 0;
    transition: opacity 1200ms var(--ease-codex) 800ms;
}

.spread.in-view .dropcap {
    opacity: 1;
}

@supports (initial-letter: 4) {
    .dropcap { float: none; padding: 0; margin-right: 0.08em; font-size: 1em; }
}

/* Year-stamp (small caps) */
.sc-year {
    font-family: var(--font-sc);
    font-variant-caps: small-caps;
    letter-spacing: 0.16em;
    font-feature-settings: "smcp" 1, "onum" 1;
    color: var(--iron-gall);
}

/* --------------------------------------------------------------------
   And-elsewhere block
   -------------------------------------------------------------------- */
.and-elsewhere {
    margin: 2.4rem 0 0 0;
    padding-top: 1.2rem;
    border-top: 0;
    box-shadow: inset 0 1px 0 rgba(168, 136, 76, 0.5);
    max-width: var(--measure);
}

.elsewhere-head {
    margin: 0 0 0.8rem 0;
    color: var(--bookcloth);
    font-size: var(--type-h3);
    font-weight: 400;
}

.elsewhere-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.elsewhere-list li {
    display: grid;
    grid-template-columns: 6rem 1fr;
    gap: 0.8rem;
    align-items: baseline;
    margin: 0 0 0.85em 0;
    padding-bottom: 0.85em;
    border-bottom: 1px solid rgba(168, 136, 76, 0.18);
}

.elsewhere-list li:last-child { border-bottom: none; }

.year-stamp {
    text-align: right;
    color: var(--bookcloth);
    font-size: 0.9rem;
}

.elsewhere-text {
    color: var(--iron-gall);
    font-size: 0.98rem;
    line-height: 1.55;
    font-style: italic;
    font-family: var(--font-margin);
}

/* page-blossom */
.page-blossom {
    text-align: center;
    color: var(--tarnished-gilt);
    margin: 2.4rem 0 0 0;
    letter-spacing: 0.5em;
    font-size: 1rem;
}

/* --------------------------------------------------------------------
   Colophon footer
   -------------------------------------------------------------------- */
.colophon {
    background: var(--spine-cloth);
    color: var(--iron-gall);
    padding: 3rem 4vw 3rem 4vw;
    position: relative;
    z-index: 3;
    box-shadow: inset 0 1px 0 rgba(168, 136, 76, 0.45);
}

.colophon-inner {
    max-width: 1500px;
    margin: 0 auto;
}

.colophon-rule {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.6rem;
}

.colophon-rule svg {
    height: 14px;
    width: 100%;
    color: var(--tarnished-gilt);
}

.colophon-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 2.6rem;
    margin-bottom: 1.4rem;
}

.colophon-block {
    font-family: var(--font-rough);
    font-style: italic;
    font-size: 0.84rem;
    line-height: 1.7;
    color: var(--walnut);
}

.colophon-block p { margin: 0 0 0.6rem 0; }

.colophon-block em {
    color: var(--iron-gall);
    font-style: italic;
}

.colophon-head {
    font-family: var(--font-sc);
    font-size: 0.74rem;
    letter-spacing: 0.32em;
    color: var(--bookcloth);
    margin: 0 0 0.6rem 0;
    font-weight: 400;
    text-transform: lowercase;
    font-variant-caps: small-caps;
}

.astro-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.astro-glyph svg {
    width: 22px;
    height: 22px;
    display: block;
}

.astro-text {
    font-family: var(--font-rough);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--iron-gall);
}

.printer-mark {
    margin-top: 0.6rem;
    animation: pulseGilt 8s ease-in-out infinite;
}

.printer-monogram {
    width: 56px;
    height: 56px;
    color: var(--tarnished-gilt);
}

@keyframes pulseGilt {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.85; }
}

.colophon-tag {
    text-align: center;
    color: var(--walnut);
    font-family: var(--font-rough);
    font-style: italic;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    margin: 0;
}

/* --------------------------------------------------------------------
   Korean language toggled body
   -------------------------------------------------------------------- */
body.lang-ko {
    font-family: var(--font-ko);
}

body.lang-ko .entry-paragraph,
body.lang-ko .marginalia,
body.lang-ko .elsewhere-text,
body.lang-ko .colophon-block {
    font-family: var(--font-ko);
}

/* --------------------------------------------------------------------
   Responsive (single-column on narrow viewports)
   -------------------------------------------------------------------- */
@media (max-width: 900px) {
    :root {
        --type-display: clamp(5rem, 18vw, 8rem);
        --type-date-day: clamp(3.4rem, 12vw, 5rem);
    }
    .spread {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 3rem 6vw 3rem 6vw;
        margin: 2rem auto 4rem auto;
    }
    .gutter {
        display: none;
    }
    .page-left, .page-right {
        grid-column: 1;
        padding: 1.6rem 0;
    }
    .page-right {
        border-top: 1px solid rgba(168, 136, 76, 0.35);
        margin-top: 1rem;
        padding-top: 2rem;
    }
    .colophon-grid {
        grid-template-columns: 1fr;
        gap: 1.6rem;
    }
    .ribbon-cluster { right: 1rem; }
    .ribbon-tab { padding: 1rem 0.6rem 0.7rem 0.6rem; font-size: 0.7rem; }
    .masthead { padding-top: 4rem; }
}

@media (max-width: 600px) {
    .masthead-inner { grid-template-columns: 1fr; }
    .fleuron-row { display: none; }
    .elsewhere-list li { grid-template-columns: 1fr; gap: 0.2rem; }
    .year-stamp { text-align: left; }
}

/* --------------------------------------------------------------------
   Selection
   -------------------------------------------------------------------- */
::selection {
    background: var(--bookcloth);
    color: var(--folio-cream);
}