/* lottery.day - mid-century cosmic almanac
   palette: dark-neon over velvet void
   layout: literal F-pattern, five rooms */

:root {
    --velvet-void: #080611;
    --cinema-carpet: #0F0B1F;
    --hot-plasma: #FF2E88;
    --phosphor-lime: #7CFF6B;
    --mercury-cyan: #5BE6FF;
    --tungsten-gold: #FFB627;
    --newsprint-bone: #C7C0B6;
    --ringbinder-umber: #3A2D14;

    --mono: 'JetBrains Mono', 'IBM Plex Mono', 'Space Mono', 'Inter', monospace;
    --display: 'Bagel Fat One', 'JetBrains Mono', monospace;
    --serif: 'Noto Serif KR', serif;

    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

    --content-max: 1440px;
    --baseline: 24px;
    --spine-w: 8vw;
    --top-arm-h: 14vh;
    --cross-h: 9vh;
}

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

html, body {
    background: var(--velvet-void);
    color: var(--newsprint-bone);
    font-family: var(--mono);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.65;
    letter-spacing: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    position: relative;
    min-height: 100vh;
}

/* === noise-grain layer === */
.grain-layer {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
    mix-blend-mode: soft-light;
    background-color: var(--ringbinder-umber);
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='256' height='256'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.227  0 0 0 0 0.176  0 0 0 0 0.078  0 0 0 0.55 0'/></filter><rect width='256' height='256' filter='url(%23n)'/></svg>");
    background-size: 256px 256px;
    animation: grainShift 0.4s steps(2) infinite;
}

@keyframes grainShift {
    0%   { transform: translate(0, 0); }
    25%  { transform: translate(-7px, 4px); }
    50%  { transform: translate(5px, -6px); }
    75%  { transform: translate(-3px, -2px); }
    100% { transform: translate(2px, 5px); }
}

/* === atomic seal === */
.atomic-seal {
    position: fixed;
    top: 22px;
    left: 22px;
    width: 44px;
    height: 44px;
    z-index: 100;
    opacity: 0;
    animation: sealFade 450ms var(--ease) 200ms forwards;
}

.atomic-seal svg {
    display: block;
    filter: drop-shadow(0 0 6px rgba(255, 182, 39, 0.18));
}

@keyframes sealFade {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

body.is-end .atomic-seal {
    opacity: 0.3;
    transition: opacity 800ms var(--ease);
}

/* === film strip / page wrapper === */
.film-strip {
    display: block;
    width: 100%;
    margin: 0 auto;
}

/* === f-room (each section) === */
.f-room {
    position: relative;
    width: 100%;
    min-height: 110vh;
    padding-bottom: 6vh;
    background: var(--velvet-void);
    border-bottom: 1px solid rgba(199, 192, 182, 0.04);
}

.f-room:nth-child(odd) {
    background: var(--velvet-void);
}

.f-room:nth-child(even) {
    background: var(--cinema-carpet);
}

/* === top arm (banner stroke) === */
.top-arm {
    position: relative;
    width: 100vw;
    height: var(--top-arm-h);
    overflow: hidden;
    border-bottom: 1px solid rgba(91, 230, 255, 0.10);
    background: rgba(8, 6, 17, 0.6);
    display: flex;
    align-items: center;
}

.marquee-track {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 4vw;
    white-space: nowrap;
    will-change: transform;
    color: var(--mercury-cyan);
    font-family: var(--mono);
    font-weight: 300;
    font-size: clamp(0.86rem, 1.1vw, 1.05rem);
    letter-spacing: 0.18em;
    font-variant-numeric: tabular-nums;
    text-transform: uppercase;
    padding-left: 2vw;
}

.marquee-item {
    display: inline-block;
    padding-right: 4vw;
}

/* === spine === */
.spine {
    position: absolute;
    top: var(--top-arm-h);
    left: 0;
    width: var(--spine-w);
    height: calc(100% - var(--top-arm-h));
    pointer-events: none;
}

.spine-rule {
    position: absolute;
    top: 0;
    left: 4vw;
    width: 1px;
    height: 100%;
    background: var(--hot-plasma);
    opacity: 0.14;
    background-image: repeating-linear-gradient(
        to bottom,
        var(--hot-plasma) 0,
        var(--hot-plasma) 8px,
        transparent 8px,
        transparent 12px
    );
}

.spine-seal {
    position: absolute;
    top: 4vh;
    left: 1vw;
    font-family: var(--display);
    font-size: clamp(6rem, 10vw, 8rem);
    line-height: 0.9;
    color: var(--tungsten-gold);
    text-shadow: 0 0 18px rgba(255, 182, 39, 0.18);
    letter-spacing: -0.03em;
    pointer-events: auto;
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease), text-shadow 220ms var(--ease);
}

.spine-seal:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    text-shadow: 0 6px 24px rgba(255, 46, 136, 0.32);
}

.spine.is-stuck .spine-seal {
    position: fixed;
    top: 4vh;
    left: 1vw;
}

/* === cross-stroke === */
.cross-stroke {
    position: relative;
    margin-left: 12vw;
    width: 74vw;
    height: var(--cross-h);
    display: flex;
    align-items: center;
    margin-top: 5vh;
    padding-left: 2vw;
}

.cross-headline {
    font-family: var(--mono);
    font-weight: 500;
    font-size: clamp(2.4rem, 5.6vw, 4.8rem);
    line-height: 1.05;
    letter-spacing: -0.01em;
    color: var(--newsprint-bone);
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease), text-shadow 220ms var(--ease);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cross-headline:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    text-shadow: 0 6px 24px rgba(255, 46, 136, 0.32);
}

.cursor {
    display: inline-block;
    color: var(--hot-plasma);
    margin-left: 0.2em;
    animation: cursorBlink 1.06s steps(2) infinite;
    font-weight: 700;
}

@keyframes cursorBlink {
    0%, 49%   { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* === open ground === */
.open-ground {
    position: relative;
    margin-left: 12vw;
    width: 76vw;
    max-width: 1280px;
    padding: 5vh 4vw 4vh 2vw;
    color: var(--newsprint-bone);
}

.aside-prose {
    max-width: 56ch;
    margin-top: 1.4em;
    color: var(--newsprint-bone);
    opacity: 0.86;
    font-size: 17px;
    line-height: 1.65;
}

.aside-ko {
    display: inline-block;
    font-family: var(--serif);
    font-style: italic;
    font-size: 0.86em;
    letter-spacing: 0.01em;
    color: var(--newsprint-bone);
    opacity: 0.7;
    margin-top: 1.6em;
}

.aside-la {
    font-family: var(--serif);
    font-style: italic;
    font-size: 0.96em;
    letter-spacing: 0.01em;
    color: var(--newsprint-bone);
    opacity: 0.78;
    margin-right: 1em;
}

/* === F-01 drawing room === */
.drawing-ground {
    min-height: 70vh;
    position: relative;
}

.pinprick-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.numeral-stage {
    position: relative;
    z-index: 2;
    padding-top: 2vh;
    max-width: 1100px;
}

.draw-numeral {
    display: block;
    font-family: var(--mono);
    font-weight: 700;
    font-size: clamp(8rem, 22vw, 18rem);
    line-height: 0.92;
    letter-spacing: -0.04em;
    color: var(--phosphor-lime);
    text-shadow:
        0 0 18px rgba(124, 255, 107, 0.28),
        0 0 48px rgba(124, 255, 107, 0.12);
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease), text-shadow 220ms var(--ease);
    white-space: nowrap;
}

.draw-numeral:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    text-shadow:
        0 6px 24px rgba(255, 46, 136, 0.32),
        0 0 48px rgba(124, 255, 107, 0.18);
}

.draw-numeral .glyph {
    display: inline-block;
    opacity: 0;
    transform: translateY(-6px);
}

.draw-numeral .glyph.is-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}

/* === F-02 almanac === */
.almanac-ground {
    min-height: 70vh;
}

.curve-wrap {
    position: relative;
    width: 100%;
    max-width: 720px;
    margin-top: 2vh;
}

.density-curve {
    width: 100%;
    height: auto;
    display: block;
}

.seed-input-row {
    margin-top: 4vh;
    display: flex;
    flex-direction: column;
    gap: 0.6em;
    max-width: 560px;
}

.seed-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mercury-cyan);
    opacity: 0.72;
}

.seed-input {
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(91, 230, 255, 0.4);
    padding: 0.6em 0.2em;
    font-family: var(--mono);
    font-size: 1.05rem;
    color: var(--newsprint-bone);
    outline: none;
    caret-color: var(--hot-plasma);
    transition: border-color 220ms var(--ease);
}

.seed-input:hover,
.seed-input:focus {
    border-color: var(--hot-plasma);
}

.dingbat-row {
    margin-top: 4vh;
    display: flex;
    flex-wrap: wrap;
    gap: 4vw;
    align-items: flex-end;
}

.dingbat {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6em;
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease), box-shadow 220ms var(--ease);
    padding: 6px;
}

.dingbat figcaption {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--newsprint-bone);
    opacity: 0.62;
}

.dingbat:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    box-shadow: 0 6px 24px -4px rgba(255, 46, 136, 0.32);
}

/* === F-03 ledger === */
.ledger-ground {
    min-height: 70vh;
}

.ledger {
    width: 100%;
    max-width: 920px;
    border-collapse: collapse;
    margin-top: 2vh;
    background: var(--cinema-carpet);
    table-layout: fixed;
}

.ledger th, .ledger td {
    text-align: left;
    padding: 1.1em 1em;
    font-family: var(--mono);
    font-size: 0.96rem;
    color: var(--newsprint-bone);
    border-top: 1px solid var(--hot-plasma);
    border-bottom: 0;
    vertical-align: top;
    word-wrap: break-word;
}

.ledger thead th {
    border-top: 1px solid var(--hot-plasma);
    border-bottom: 1px solid var(--hot-plasma);
    color: var(--mercury-cyan);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    opacity: 0.85;
}

.ledger tbody tr {
    transition: transform 220ms var(--ease), filter 220ms var(--ease), box-shadow 220ms var(--ease);
    cursor: default;
}

.ledger tbody tr:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    box-shadow: 0 6px 24px -4px rgba(255, 46, 136, 0.32);
}

.ledger tbody tr td:first-child {
    color: var(--tungsten-gold);
    font-weight: 500;
    width: 4em;
}

.ledger tbody tr td:nth-child(2) {
    color: var(--phosphor-lime);
    font-weight: 700;
    width: 6em;
    font-variant-numeric: tabular-nums;
}

.ledger tbody tr td:nth-child(3) {
    color: var(--mercury-cyan);
    width: 12em;
    text-transform: lowercase;
    letter-spacing: 0.08em;
    font-size: 0.88rem;
}

.ledger tbody tr:last-child td {
    border-bottom: 1px solid var(--hot-plasma);
}

.ledger-foot {
    margin-top: 4vh;
    max-width: 64ch;
}

/* === F-04 starchart === */
.starchart-ground {
    min-height: 80vh;
    padding-bottom: 8vh;
}

.starchart-stage {
    position: relative;
    width: 100%;
    height: 64vh;
    min-height: 480px;
    background: var(--velvet-void);
    overflow: hidden;
    border: 1px solid rgba(255, 46, 136, 0.10);
}

.starfield-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.constellation-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.constellation-card {
    position: absolute;
    bottom: 4vh;
    left: 4vw;
    z-index: 3;
    background: rgba(15, 11, 31, 0.78);
    border: 1px solid rgba(255, 46, 136, 0.32);
    padding: 1.2em 1.4em;
    max-width: 22em;
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease), box-shadow 220ms var(--ease);
}

.constellation-card:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    box-shadow: 0 6px 24px -4px rgba(255, 46, 136, 0.32);
}

.card-label {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mercury-cyan);
    opacity: 0.78;
    margin-bottom: 0.4em;
}

.card-name {
    font-family: var(--mono);
    font-weight: 500;
    font-size: 1.4rem;
    color: var(--newsprint-bone);
    letter-spacing: -0.005em;
    margin-bottom: 0.4em;
}

.card-coords {
    font-family: var(--mono);
    font-size: 0.84rem;
    color: var(--phosphor-lime);
    font-variant-numeric: tabular-nums;
    opacity: 0.86;
}

/* === F-05 quiet goodbye === */
.goodbye-ground {
    min-height: 70vh;
    padding-top: 6vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 6vh;
}

.drift-icons {
    display: flex;
    gap: 6vw;
    align-items: center;
    margin-top: 4vh;
    flex-wrap: wrap;
}

.drift-icon {
    display: inline-block;
    cursor: default;
    transition: transform 220ms var(--ease), filter 220ms var(--ease);
    will-change: transform;
}

.drift-icon:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
}

.signoff {
    font-family: var(--mono);
    font-size: 1.05rem;
    color: var(--newsprint-bone);
    margin-top: 4vh;
}

.signoff-line {
    color: var(--mercury-cyan);
    letter-spacing: 0.1em;
}

.micro-stamp {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--newsprint-bone);
    opacity: 0.5;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-top: 6vh;
}

/* === fade-in for atomic seal opening beat === */
@keyframes openFade {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

#f-01 .cross-headline,
#f-01 .aside-ko,
#f-01 .aside-prose {
    opacity: 0;
    animation: openFade 600ms var(--ease) forwards;
}

#f-01 .cross-headline { animation-delay: 350ms; }
#f-01 .aside-ko       { animation-delay: 700ms; }
#f-01 .aside-prose    { animation-delay: 850ms; }

/* === responsive guards === */
@media (max-width: 880px) {
    :root {
        --spine-w: 14vw;
        --top-arm-h: 10vh;
    }
    .cross-stroke { margin-left: 16vw; width: 80vw; }
    .open-ground  { margin-left: 16vw; width: 80vw; padding-right: 4vw; }
    .draw-numeral { font-size: clamp(5.4rem, 28vw, 9rem); }
    .spine-seal   { font-size: clamp(3.6rem, 12vw, 5rem); }
}

@media (max-width: 540px) {
    .cross-headline { font-size: clamp(1.8rem, 7vw, 2.6rem); white-space: normal; }
    .ledger th, .ledger td { font-size: 0.82rem; padding: 0.8em 0.6em; }
    .constellation-card { left: 4vw; right: 4vw; max-width: none; }
}