/* shinonome.stream — Aquarium Reception, 17:42 JST */
/* Nostalgic-retro corporate aquarium. Showa pastel palette. */
/* NO DARK MODE — pastel agreement collapses if inverted. */

:root {
    --kinari: #F7E9D7;       /* dominant page ground - warm beige hotel lobby */
    --kinari-deep: #FBF6EE;  /* shoji warm white - hero cell interiors */
    --mizugiwa: #B9E2D2;     /* mint water hairlines + channels */
    --sango: #F4C9B5;        /* coral pastel - outer frame + primary accent */
    --asagi: #A8C5D8;        /* dusty blue - secondary accent */
    --suntan: #E6B8A2;       /* terracotta - duotone warm channel */
    --sumi: #3E4F58;         /* charcoal blue - body text */
    --aqua: #E6F3F0;         /* pale aqua - gutter water channels */
    --kraft: #D9CFC2;        /* neutral - dividers + inactive ui */

    --frame-w: 48px;
    --hairline: 1px;
    --hairline-thick: 2px;
    --gutter: 12px;
    --pad: 24px;
    --pad-sm: 16px;
    --corner-size: 12px;
    --corner-stroke: 3px;
    --ease-aqua: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --filtration-w: 84px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--sango);
    color: var(--sumi);
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Outer 48px poster-matte frame in coral ===== */
.poster-frame {
    position: relative;
    min-height: 100vh;
    padding: var(--frame-w);
    background: var(--sango);
}

.poster-frame::before {
    /* Inner hairline mint outline of the poster matte */
    content: "";
    position: fixed;
    top: calc(var(--frame-w) - 4px);
    left: calc(var(--frame-w) - 4px);
    right: calc(var(--frame-w) - 4px);
    bottom: calc(var(--frame-w) - 4px);
    border: var(--hairline) solid var(--mizugiwa);
    pointer-events: none;
    z-index: 50;
}

/* ===== Canvas drift layer (behind everything) ===== */
#drift-canvas {
    position: fixed;
    top: var(--frame-w);
    left: var(--frame-w);
    right: var(--frame-w);
    bottom: var(--frame-w);
    width: calc(100vw - var(--frame-w) * 2);
    height: calc(100vh - var(--frame-w) * 2);
    pointer-events: none;
    z-index: 1;
    opacity: 0.55;
}

/* ===== Filtration column (sticky vertical katakana nav) ===== */
.filtration-column {
    position: sticky;
    top: var(--frame-w);
    float: left;
    width: var(--filtration-w);
    height: calc(100vh - var(--frame-w) * 2);
    background: var(--aqua);
    border: var(--hairline) solid var(--mizugiwa);
    padding: var(--pad-sm) 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    z-index: 20;
    margin-right: var(--gutter);
}

.filtration-mark {
    position: relative;
    width: 100%;
    height: 24px;
}
.bracket {
    position: absolute;
    width: var(--corner-size);
    height: var(--corner-size);
    border: var(--corner-stroke) solid var(--sango);
}
.bracket-tl { top: 4px; left: 8px; border-right: none; border-bottom: none; }
.bracket-bl { bottom: -8px; left: 8px; border-right: none; border-top: none; }

.filtration-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 600;
    font-size: 22px;
    color: var(--sumi);
    letter-spacing: 0.02em;
    line-height: 1.15;
    margin-top: 30px;
}
.filtration-brand .kata {
    display: block;
    padding: 1px 0;
}

.filtration-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    margin-top: 12px;
}

.kata-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--sumi);
    font-family: 'DM Mono', monospace;
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.18em;
    line-height: 1.4;
    padding: 8px 2px;
    border-left: var(--hairline) solid transparent;
    transition: border-color 800ms var(--ease-aqua), color 800ms var(--ease-aqua), transform 600ms var(--ease-aqua);
    transform-origin: center;
}
.kata-link span { display: block; }
.kata-link:hover {
    color: var(--sango);
    border-left: var(--hairline-thick) solid var(--sango);
    transform: scale(1.04);
}

.filtration-stamp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--sumi);
    font-size: 10px;
    line-height: 1.3;
    border-top: var(--hairline) solid var(--mizugiwa);
    padding-top: 8px;
    width: 70%;
}

/* ===== The bento ledger ===== */
.bento-ledger {
    position: relative;
    margin-left: calc(var(--filtration-w) + var(--gutter));
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(110px, auto);
    gap: var(--gutter);
    z-index: 5;
}

/* ===== Cell base ===== */
.cell {
    position: relative;
    background: var(--kinari);
    border: var(--hairline) solid var(--mizugiwa);
    padding: var(--pad);
    overflow: hidden;
    transition: transform 600ms var(--ease-aqua),
                border-color 800ms var(--ease-aqua),
                border-width 800ms var(--ease-aqua);
    transform-origin: center;
    will-change: transform;
}

/* Border shadow = duplicate hairline offset, NOT box-shadow */
.cell::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    right: -6px;
    bottom: 0;
    border: var(--hairline) solid var(--mizugiwa);
    pointer-events: none;
    z-index: -1;
    opacity: 0.3;
    transition: border-color 800ms var(--ease-aqua), opacity 600ms var(--ease-aqua);
}

.cell:hover {
    transform: scale(1.04);
    border-color: var(--sango);
    z-index: 12;
}
.cell:hover::after {
    border-color: var(--sango);
    opacity: 0.5;
}

/* Registration corner brackets */
.cell-corner {
    position: absolute;
    width: var(--corner-size);
    height: var(--corner-size);
    border-color: var(--mizugiwa);
    border-style: solid;
    border-width: 0;
    pointer-events: none;
    transition: border-color 800ms var(--ease-aqua);
}
.cell-corner-tl { top: 4px; left: 4px; border-top-width: var(--corner-stroke); border-left-width: var(--corner-stroke); }
.cell-corner-tr { top: 4px; right: 4px; border-top-width: var(--corner-stroke); border-right-width: var(--corner-stroke); }
.cell-corner-bl { bottom: 4px; left: 4px; border-bottom-width: var(--corner-stroke); border-left-width: var(--corner-stroke); }
.cell-corner-br { bottom: 4px; right: 4px; border-bottom-width: var(--corner-stroke); border-right-width: var(--corner-stroke); }
.cell:hover .cell-corner { border-color: var(--sango); }

/* Stream tag — top-right metadata strip */
.stream-tag {
    position: absolute;
    top: 10px;
    right: 14px;
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    color: var(--asagi);
    z-index: 4;
}

/* ===== Cell sizes ===== */
.cell-hero { grid-column: span 8; grid-row: span 4; }
.cell-4x2 { grid-column: span 4; grid-row: span 2; }
.cell-2x1 { grid-column: span 2; grid-row: span 1; }
.cell-afterthought { grid-column: 11 / span 2; grid-row: span 2; }

/* ===== Typography ===== */
.cell-overline {
    color: var(--asagi);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 14px;
    margin-top: 12px;
}

.display-title {
    font-family: 'Fraunces', serif;
    font-variation-settings: "SOFT" 100, "opsz" 96;
    font-weight: 800;
    font-size: 64px;
    line-height: 1.02;
    letter-spacing: -0.02em;
    color: var(--sumi);
    margin-bottom: 18px;
}
.display-title.sm {
    font-size: 44px;
    line-height: 1.05;
    margin-bottom: 12px;
}

.body-prose {
    font-size: 17px;
    line-height: 1.65;
    color: var(--sumi);
    max-width: 56ch;
}
.body-prose.sm {
    font-size: 15px;
    line-height: 1.55;
}
.body-prose em {
    font-style: italic;
    color: var(--sango);
}

.mono { font-family: 'DM Mono', monospace; }

/* ===== Hero cell layout ===== */
.cell-hero {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 28px;
    padding: 36px;
    background: var(--kinari-deep);
}
.cell-hero .hero-photo,
.cell-hero .schedule-photo {
    align-self: stretch;
    min-height: 280px;
}
.cell-hero .hero-text,
.cell-hero .schedule-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ===== Duotone photo treatment ===== */
.duotone-photo {
    position: relative;
    width: 100%;
    background: var(--mizugiwa);
    overflow: hidden;
    border: var(--hairline) solid var(--mizugiwa);
}

.photo-inner {
    position: absolute;
    inset: 0;
    background-blend-mode: multiply, normal;
    filter: contrast(1.1);
}

/* Fish-specific generated duotone illustrations
   Composed of layered radial/linear gradients in mizugiwa × suntan */

.duotone-photo[data-fish="clownfish"] .photo-inner {
    background:
        radial-gradient(ellipse 60px 26px at 38% 58%, var(--suntan) 0%, var(--suntan) 38%, transparent 70%),
        radial-gradient(ellipse 18px 26px at 22% 58%, var(--mizugiwa) 0%, var(--mizugiwa) 30%, transparent 65%),
        radial-gradient(ellipse 14px 18px at 56% 56%, var(--mizugiwa) 0%, var(--mizugiwa) 40%, transparent 70%),
        radial-gradient(ellipse 12px 14px at 70% 60%, var(--mizugiwa) 0%, var(--mizugiwa) 40%, transparent 70%),
        radial-gradient(ellipse 220px 160px at 70% 80%, var(--suntan) 0%, transparent 60%),
        radial-gradient(ellipse 180px 140px at 20% 30%, var(--mizugiwa) 0%, transparent 60%),
        linear-gradient(160deg, var(--mizugiwa) 0%, var(--suntan) 100%);
}

.duotone-photo[data-fish="mandarinfish"] .photo-inner {
    background:
        radial-gradient(ellipse 70px 32px at 50% 55%, var(--suntan) 0%, var(--suntan) 42%, transparent 75%),
        radial-gradient(circle 4px at 36% 50%, var(--mizugiwa) 0%, transparent 80%),
        radial-gradient(ellipse 30px 12px at 78% 56%, var(--mizugiwa) 0%, transparent 70%),
        repeating-linear-gradient(135deg, var(--suntan) 0px, var(--suntan) 6px, var(--mizugiwa) 6px, var(--mizugiwa) 9px),
        linear-gradient(180deg, var(--mizugiwa) 0%, var(--suntan) 100%);
    mix-blend-mode: multiply;
}

.duotone-photo[data-fish="regal-tang"] .photo-inner {
    background:
        radial-gradient(ellipse 80px 38px at 46% 54%, var(--suntan) 0%, var(--suntan) 50%, transparent 76%),
        radial-gradient(ellipse 60px 22px at 50% 60%, var(--mizugiwa) 0%, transparent 70%),
        linear-gradient(70deg, transparent 30%, var(--mizugiwa) 32%, var(--mizugiwa) 38%, transparent 40%),
        radial-gradient(ellipse 14px 18px at 76% 54%, var(--suntan) 0%, transparent 70%),
        linear-gradient(140deg, var(--mizugiwa) 0%, var(--suntan) 100%);
}

.duotone-photo[data-fish="seahorse"] .photo-inner {
    background:
        radial-gradient(ellipse 18px 38px at 50% 38%, var(--suntan) 0%, var(--suntan) 50%, transparent 80%),
        radial-gradient(ellipse 14px 20px at 50% 28%, var(--mizugiwa) 0%, var(--mizugiwa) 40%, transparent 75%),
        radial-gradient(ellipse 12px 30px at 50% 64%, var(--suntan) 0%, transparent 75%),
        radial-gradient(ellipse 16px 16px at 56% 78%, var(--mizugiwa) 0%, transparent 75%),
        linear-gradient(190deg, var(--mizugiwa) 0%, var(--suntan) 100%);
}

.duotone-photo[data-fish="butterflyfish"] .photo-inner,
.duotone-photo[data-fish="butterflyfish-2"] .photo-inner {
    background:
        radial-gradient(ellipse 60px 38px at 48% 54%, var(--suntan) 0%, var(--suntan) 50%, transparent 75%),
        linear-gradient(74deg, transparent 36%, var(--mizugiwa) 38%, var(--mizugiwa) 40%, transparent 43%),
        linear-gradient(74deg, transparent 44%, var(--mizugiwa) 46%, var(--mizugiwa) 48%, transparent 51%),
        radial-gradient(ellipse 8px 10px at 28% 54%, var(--mizugiwa) 0%, transparent 75%),
        radial-gradient(circle 30px at 80% 60%, var(--suntan) 0%, transparent 60%),
        linear-gradient(160deg, var(--mizugiwa) 0%, var(--suntan) 100%);
}

/* Hero photo & schedule photo — taller */
.hero-photo, .schedule-photo {
    width: 100%;
    min-height: 240px;
    height: 100%;
}

/* Standalone duotone photo cells */
.cell-photo {
    padding: 0;
    display: grid;
    grid-template-rows: 1fr auto;
}
.cell-photo .photo-cell {
    min-height: 180px;
    width: 100%;
}
.cell-photo .nameplate {
    padding: 14px 18px 16px;
    border-top: var(--hairline) solid var(--mizugiwa);
    background: var(--kinari-deep);
}

/* ===== Nameplate (English / 和名 / Latin) ===== */
.nameplate {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: var(--hairline) solid var(--sango);
    align-self: flex-start;
}
.np-en {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 16px;
    color: var(--sumi);
    letter-spacing: -0.005em;
    line-height: 1.2;
}
.np-jp {
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 600;
    font-size: 22px;
    color: var(--sumi);
    line-height: 1.1;
    margin-top: 2px;
    padding-top: 4px;
    border-top: var(--hairline) solid var(--sango);
}
.np-la {
    font-family: 'DM Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--asagi);
    font-style: italic;
    line-height: 1.4;
    padding-top: 4px;
    border-top: var(--hairline) solid var(--sango);
}
.nameplate.compact {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}
.nameplate.compact .np-en { font-size: 14px; }
.nameplate.compact .np-jp { font-size: 18px; padding-top: 3px; }
.nameplate.compact .np-la { font-size: 10px; padding-top: 3px; }

/* ===== Bubble divider — 4px, 6px, 8px coral circles ===== */
.bubble-divider {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 0;
}
.bubble-divider .b {
    display: inline-block;
    border-radius: 50%;
    background: var(--sango);
    opacity: 0.7;
}
.bubble-divider .b1 { width: 4px; height: 4px; }
.bubble-divider .b2 { width: 6px; height: 6px; opacity: 0.8; }
.bubble-divider .b3 { width: 8px; height: 8px; opacity: 0.9; }

/* ===== Coral branch dingbat ===== */
.coral-branch {
    color: var(--sango);
    margin-top: 14px;
    width: 80%;
    height: 24px;
}
.coral-branch svg { display: block; width: 100%; height: 100%; overflow: visible; }

/* ===== Log list ===== */
.log-list, .archive-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}
.log-list li, .archive-list li {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 14px;
    font-size: 14px;
    line-height: 1.4;
    padding-bottom: 6px;
    border-bottom: var(--hairline) solid var(--kraft);
}
.log-list li:last-child, .archive-list li:last-child { border-bottom: none; }
.log-list .mono, .archive-list .mono {
    font-size: 11px;
    color: var(--asagi);
    letter-spacing: 0.04em;
    padding-top: 3px;
}

/* ===== Schedule list (in hero) ===== */
.schedule-list {
    list-style: none;
    counter-reset: schedule;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 18px;
}
.schedule-list li {
    counter-increment: schedule;
    display: grid;
    grid-template-columns: 130px 1fr 160px;
    gap: 20px;
    padding-bottom: 12px;
    border-bottom: var(--hairline) solid var(--mizugiwa);
    align-items: baseline;
}
.schedule-list li:last-child { border-bottom: none; }
.schedule-list li::before {
    content: counter(schedule, decimal-leading-zero);
    position: absolute;
    color: var(--sango);
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    margin-left: -22px;
}
.sched-time {
    font-size: 11px;
    color: var(--asagi);
    letter-spacing: 0.06em;
    padding-top: 4px;
}
.sched-title {
    font-family: 'Fraunces', serif;
    font-variation-settings: "SOFT" 80;
    font-weight: 600;
    font-size: 19px;
    line-height: 1.25;
    color: var(--sumi);
}
.sched-jp {
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.3;
    color: var(--sumi);
    text-align: right;
    opacity: 0.85;
}

/* ===== Fry cells ===== */
.cell-fry {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 18px 12px;
    background: var(--aqua);
    color: var(--asagi);
}
.cell-fry .fry-silhouette {
    width: 60px;
    height: 22px;
    color: var(--sumi);
    margin-top: 18px;
}
.fry-caption {
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--asagi);
    margin-top: 4px;
}

/* ===== Lionfish figure ===== */
.lionfish-figure {
    width: 100%;
    max-width: 220px;
    height: auto;
    margin: 14px 0 10px;
    color: var(--sango);
    opacity: 0.85;
}

/* ===== Afterthought cell ===== */
.cell-afterthought {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--aqua);
    padding: 22px 16px;
    text-align: center;
}
.after-fish {
    width: 120px;
    height: 36px;
    color: var(--sumi);
    opacity: 0.7;
}
.after-stamp {
    font-size: 10px;
    color: var(--asagi);
    letter-spacing: 0.06em;
    margin-top: 14px;
}
.after-jp {
    font-family: 'Shippori Mincho B1', serif;
    font-weight: 600;
    font-size: 16px;
    color: var(--sumi);
    margin-top: 4px;
    letter-spacing: 0.16em;
}

/* ===== Footer ===== */
.ledger-foot {
    margin-top: 28px;
    margin-left: calc(var(--filtration-w) + var(--gutter));
    padding: 14px 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    border-top: var(--hairline) solid var(--mizugiwa);
    color: var(--asagi);
    font-size: 11px;
    letter-spacing: 0.06em;
    background: var(--kinari-deep);
}

/* ===== Cell-specific surface variations (one accent each, never two) ===== */
.cell-log { background: var(--kinari-deep); }
.cell-archive { background: var(--kinari-deep); }
#mandarin-saw { background: var(--kinari); }
#acoustics { background: var(--aqua); }
#lionfish-note { background: var(--kinari); }
#conference { background: var(--kinari-deep); }

/* ===== Scroll parallax drift (controlled by JS via custom property) ===== */
.cell[data-row] {
    transform: translateX(var(--drift-x, 0px)) scale(var(--cell-scale, 1));
}
.cell[data-row]:hover {
    --cell-scale: 1.04;
}

/* ===== Responsive — collapse the strict grid only when necessary ===== */
@media (max-width: 1100px) {
    :root { --frame-w: 28px; --filtration-w: 70px; }
    .cell-hero { grid-template-columns: 1fr; }
    .display-title { font-size: 48px; }
    .display-title.sm { font-size: 32px; }
}

@media (max-width: 760px) {
    :root { --frame-w: 18px; --gutter: 8px; }
    .filtration-column {
        position: relative;
        width: 100%;
        height: auto;
        flex-direction: row;
        justify-content: center;
        gap: 18px;
        float: none;
        margin-right: 0;
        margin-bottom: var(--gutter);
        padding: 12px 8px;
    }
    .filtration-brand { flex-direction: row; gap: 4px; margin-top: 0; font-size: 18px; }
    .filtration-nav { flex-direction: row; gap: 14px; margin-top: 0; }
    .kata-link { flex-direction: row; gap: 1px; }
    .filtration-stamp { flex-direction: row; border-top: none; padding-top: 0; width: auto; }
    .filtration-mark { display: none; }

    .bento-ledger { margin-left: 0; grid-template-columns: repeat(2, 1fr); }
    .cell-hero, .cell-4x2, .cell-2x1, .cell-afterthought {
        grid-column: span 2;
        grid-row: auto;
    }
    .cell-2x1 { grid-column: span 1; }
    .display-title { font-size: 38px; }
    .display-title.sm { font-size: 26px; }
    .ledger-foot { margin-left: 0; }
    .schedule-list li { grid-template-columns: 1fr; gap: 4px; }
    .sched-jp { text-align: left; }
}