/* ==========================================================
   renai.stream — brutalist marble · diagonal-sections · ethereal-blue
   ========================================================== */

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

:root {
  --mist: #dfe6f0;
  --cyanotype: #a8c0d8;
  --slate: #5a7894;
  --storm: #2b3848;
  --abyss: #0e1620;
  --marble: #f5f1ea;
  --concrete: #bfb9b0;
  --stone: #8c8a85;
  --patina: #e4cbb0;

  --shear-odd: -7deg;
  --shear-even: 7deg;
}

html, body {
  background: var(--mist);
  color: var(--storm);
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(180deg, #dfe6f0 0%, #cbd6e6 25%, #dfe6f0 55%, #c4d4e4 80%, #dfe6f0 100%);
  min-height: 100vh;
  position: relative;
}

/* Noise overlay (1.5% opacity, fixed) */
.noise-overlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
  opacity: 0.15;
  mix-blend-mode: multiply;
}

.defs-only {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* ==========================================================
   ON-AIR monolith (top-right fixed)
   ========================================================== */
.onair-monolith {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 90;
  background: var(--marble);
  border: 2px solid var(--concrete);
  padding: 8px 14px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--storm);
  box-shadow: 3px 3px 0 var(--stone), inset 0 0 0 1px rgba(143,138,133,0.4);
  letter-spacing: 0.04em;
  min-width: 260px;
}
.onair-square {
  color: var(--abyss);
  font-size: 0.95rem;
  line-height: 1;
  animation: heartbeat 1.4s ease-in-out infinite;
}
@keyframes heartbeat {
  0%, 100% { color: var(--abyss); }
  50% { color: var(--slate); }
}
.onair-label { color: var(--storm); }
.onair-num { color: var(--slate); font-weight: 500; }
.audio-toggle {
  background: transparent;
  border: 1px solid var(--concrete);
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--storm);
  font-size: 0.85rem;
  padding: 0;
  transition: background 220ms ease;
  margin-left: auto;
}
.audio-toggle:hover { background: var(--cyanotype); }
.audio-toggle.on { background: var(--slate); color: var(--marble); }
.onair-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--concrete);
}
.onair-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--slate);
  transition: width 1s linear;
}

/* ==========================================================
   SLAB framework
   ========================================================== */
.slab {
  position: relative;
  width: 100vw;
  margin: 0;
  overflow: hidden;
  background: var(--mist);
}

/* SLAB I — hero, shear -7deg via clip-path diagonal edges */
.slab-i {
  min-height: 100vh;
  background: linear-gradient(135deg, #d6e0ee 0%, #c2d2e6 50%, #d6e0ee 100%);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  border-bottom: 3px solid var(--concrete);
}
.slab-i .slab-inner {
  transform: skewY(-2deg);
  transform-origin: top left;
  padding: 80px 8vw 120px;
  min-height: 100vh;
  position: relative;
}
.slab-i .slab-inner > * { transform: skewY(2deg); }

/* SLAB II — archive, shear +7deg */
.slab-ii {
  min-height: 90vh;
  background: linear-gradient(160deg, #cad8e8 0%, #b8c8dc 60%, #cad8e8 100%);
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 94%);
  border-bottom: 3px solid var(--concrete);
}
.slab-ii .slab-inner {
  transform: skewY(2deg);
  padding: 100px 8vw 100px;
  position: relative;
}
.slab-ii .slab-inner > * { transform: skewY(-2deg); }

/* SLAB III — reading room, shear -7deg, marble surface */
.slab-iii {
  min-height: 120vh;
  background:
    linear-gradient(180deg, #efe9df 0%, #f5f1ea 30%, #ede5d6 70%, #f0ead9 100%);
  clip-path: polygon(0 0, 100% 6%, 100% 94%, 0 100%);
  border-bottom: 3px solid var(--concrete);
  position: relative;
}
.slab-iii::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, transparent 0%, transparent 100%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='400'><path d='M 20 80 Q 80 60 140 100 T 260 160 Q 320 200 380 180' stroke='%23bfb9b0' stroke-width='0.4' fill='none' opacity='0.35'/><path d='M 0 220 Q 60 250 120 220 T 240 250 Q 320 230 400 270' stroke='%238c8a85' stroke-width='0.3' fill='none' opacity='0.3'/><path d='M 80 0 Q 100 90 60 170 T 80 320 Q 60 380 100 400' stroke='%23bfb9b0' stroke-width='0.35' fill='none' opacity='0.32'/><path d='M 280 0 Q 240 80 300 160 T 280 320' stroke='%238c8a85' stroke-width='0.3' fill='none' opacity='0.28'/></svg>");
  background-repeat: repeat;
  background-size: 400px 400px;
  pointer-events: none;
  opacity: 0.7;
}
.slab-iii .slab-inner {
  transform: skewY(-2deg);
  padding: 110px 7vw 110px;
  position: relative;
  z-index: 1;
}
.slab-iii .slab-inner > * { transform: skewY(2deg); }

/* SLAB IV — schedule wall, shear +7deg */
.slab-iv {
  min-height: 80vh;
  background: linear-gradient(160deg, #c4d4e4 0%, #b0c2da 60%, #c4d4e4 100%);
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 94%);
  border-bottom: 3px solid var(--concrete);
}
.slab-iv .slab-inner {
  transform: skewY(2deg);
  padding: 110px 8vw 110px;
  position: relative;
}
.slab-iv .slab-inner > * { transform: skewY(-2deg); }

/* SLAB V — submission plinth, shear -7deg */
.slab-v {
  min-height: 60vh;
  background: linear-gradient(180deg, #d2dde9 0%, #c0d0e2 50%, #b8c8dc 100%);
  clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 100%);
  transition: transform 600ms cubic-bezier(0.4, 0, 0.2, 1);
}
.slab-v.dispatched { transform: translateY(-110vh); }
.slab-v .slab-inner {
  transform: skewY(-2deg);
  padding: 110px 8vw 80px;
  position: relative;
}
.slab-v .slab-inner > * { transform: skewY(2deg); }

/* Mist gaps */
.mist-gap {
  width: 100vw;
  height: 100px;
  background: linear-gradient(135deg, var(--mist) 0%, var(--cyanotype) 50%, var(--mist) 100%);
  position: relative;
  margin-top: -1px;
  margin-bottom: -1px;
}

/* ==========================================================
   SLAB I — Hero contents
   ========================================================== */
.transmission-ticker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--storm);
  letter-spacing: 0.04em;
  position: absolute;
  top: 40px;
  left: 8vw;
  max-width: 70%;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ticker-prefix { font-weight: 500; color: var(--abyss); }
.ticker-num { color: var(--slate); }
.ticker-divider { color: var(--stone); }
.ticker-feed {
  color: var(--storm);
  font-style: normal;
  max-width: 540px;
  min-height: 1.4em;
  display: inline-block;
}
.ticker-caret {
  color: var(--abyss);
  animation: blink 0.9s steps(2) infinite;
}
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-kanji-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 110px;
  margin-bottom: 50px;
  height: clamp(220px, 32vw, 460px);
}
.hero-kanji {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 700;
  font-size: clamp(8rem, 22vw, 18rem);
  color: var(--marble);
  line-height: 0.9;
  letter-spacing: -0.03em;
  text-shadow:
    1px 1px 0 var(--concrete),
    2px 2px 0 var(--stone),
    3px 3px 4px rgba(46, 56, 72, 0.15);
  position: relative;
  z-index: 1;
}
.hero-cracks {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: multiply;
}

.hero-meta {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 760px;
  margin: 0 auto;
}
.hero-label {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.1rem, 1.8vw, 1.6rem);
  letter-spacing: -0.02em;
  color: var(--abyss);
  text-transform: uppercase;
}
.hero-sublabel {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  color: var(--storm);
}
.hero-station {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--slate);
  letter-spacing: 0.06em;
  text-transform: lowercase;
}

/* Marble fragments */
.marble-piece {
  position: absolute;
  opacity: 0.85;
  pointer-events: none;
  filter: drop-shadow(2px 2px 3px rgba(46, 56, 72, 0.12));
}
.piece-hand {
  width: 120px; height: 120px;
  right: 7vw; bottom: 18vh;
  transform: rotate(-7deg);
}
.piece-column {
  width: 60px; height: 200px;
  left: 4vw; top: 18vh;
  transform: rotate(-7deg);
  opacity: 0.7;
}
.piece-fold {
  width: 180px; height: 180px;
  right: 5vw; top: 60px;
  transform: rotate(7deg);
}
.piece-profile {
  width: 140px; height: 160px;
  left: 5vw; bottom: 80px;
  transform: rotate(-7deg);
  opacity: 0.75;
}
.piece-frag {
  width: 130px; height: 100px;
  right: 6vw; bottom: 60px;
  transform: rotate(7deg);
  opacity: 0.7;
}

/* ==========================================================
   SLAB II — Archive Index
   ========================================================== */
.slab-header {
  margin-bottom: 50px;
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--concrete);
  padding-bottom: 18px;
}
.slab-marker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--slate);
  background: var(--marble);
  padding: 3px 8px;
  border: 1px solid var(--concrete);
  text-transform: lowercase;
}
.slab-title {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(1.5rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
  color: var(--abyss);
  text-transform: uppercase;
  flex: 1 1 auto;
}
.slab-sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--storm);
}

.archive-table {
  display: flex;
  flex-direction: column;
  background: var(--marble);
  border: 2px solid var(--concrete);
  box-shadow: 4px 4px 0 var(--stone);
}
.archive-head, .archive-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 2fr;
  gap: 20px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--concrete);
  align-items: center;
}
.archive-head {
  background: var(--concrete);
  color: var(--abyss);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--stone);
}
.archive-row {
  text-decoration: none;
  color: var(--storm);
  transition: background 220ms ease, transform 280ms cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}
.archive-row:last-child { border-bottom: none; }
.archive-row:hover {
  background: linear-gradient(90deg, var(--marble) 0%, #f0e9dc 100%);
  transform: translateX(6px) translateY(-2px);
  z-index: 2;
}
.archive-row .col-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--slate);
}
.archive-row .col-type {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--abyss);
}
.archive-row .col-dur {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--stone);
}
.archive-row .col-verb {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--storm);
}

/* ==========================================================
   SLAB III — Reading Room
   ========================================================== */
.reading-stele {
  background: var(--marble);
  border: 3px solid var(--concrete);
  box-shadow: 6px 6px 0 var(--stone), inset 0 0 0 1px rgba(143,138,133,0.4);
  padding: 60px 50px 50px;
  position: relative;
}
.reading-stele::before {
  content: "";
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  bottom: 14px;
  border: 1px solid var(--stone);
  pointer-events: none;
  opacity: 0.5;
}

.reading-cols {
  column-count: 3;
  column-gap: 36px;
  column-rule: 1px solid var(--concrete);
  font-family: 'Cormorant Garamond', serif;
  color: var(--storm);
  font-size: 1.05rem;
  line-height: 1.75;
  text-align: justify;
  hyphens: auto;
}
.reading-col {
  break-inside: avoid;
  margin-bottom: 14px;
}
.reading-col p {
  margin-bottom: 1em;
}
.reading-col em {
  font-style: italic;
  color: var(--slate);
}
.reading-col p:lang(ja),
.reading-col p:first-child:not(:lang(en)) {
  font-family: 'Shippori Mincho B1', serif;
  font-weight: 400;
  line-height: 1.9;
}

.fleuron {
  text-align: center;
  font-size: 1.6em;
  color: var(--patina);
  font-style: normal;
  margin: 0.5em 0 0;
  line-height: 1;
}

.stele-foot {
  margin-top: 40px;
  border-top: 1px solid var(--concrete);
  padding-top: 18px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--stone);
  letter-spacing: 0.04em;
}
.stele-cite { text-transform: lowercase; }

/* ==========================================================
   SLAB IV — Schedule Wall
   ========================================================== */
.schedule-wrap {
  background: var(--marble);
  border: 2px solid var(--concrete);
  padding: 30px;
  box-shadow: 4px 4px 0 var(--stone);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.schedule-days {
  display: grid;
  grid-template-columns: 48px repeat(7, 1fr);
  gap: 4px;
  padding-left: 0;
}
.schedule-days::before { content: ""; }
.day-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--slate);
  letter-spacing: 0.1em;
  text-align: center;
  padding: 4px 0;
  border-bottom: 1px solid var(--concrete);
}

.schedule-grid-area {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 4px;
}
.schedule-hours {
  display: grid;
  grid-template-rows: repeat(24, 1fr);
  gap: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: var(--stone);
}
.hour-label {
  text-align: right;
  padding-right: 6px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 14px;
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(24, 1fr);
  gap: 2px;
}
.sched-cell {
  width: 100%;
  height: 14px;
  background: var(--marble);
  border: 1px solid var(--concrete);
  position: relative;
  cursor: pointer;
  transition: background 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}
.sched-cell.past {
  background: #e6e0d2;
  border-color: var(--stone);
  opacity: 0.55;
}
.sched-cell.active {
  background: var(--cyanotype);
  border-color: var(--slate);
  box-shadow: 0 0 8px var(--cyanotype);
}
.sched-cell.future {
  background: var(--marble);
}
.sched-cell:hover {
  background: var(--slate);
  transform: scale(1.4);
  z-index: 3;
}
.sched-cell .tip {
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--abyss);
  color: var(--marble);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  padding: 5px 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease;
  z-index: 4;
  letter-spacing: 0.04em;
}
.sched-cell:hover .tip { opacity: 1; }

.schedule-legend {
  display: flex;
  gap: 24px;
  margin-top: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--storm);
  letter-spacing: 0.06em;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot {
  width: 14px;
  height: 14px;
  border: 1px solid var(--concrete);
  display: inline-block;
}
.dot-past { background: #e6e0d2; opacity: 0.55; }
.dot-active { background: var(--cyanotype); box-shadow: 0 0 6px var(--cyanotype); }
.dot-future { background: var(--marble); }

/* ==========================================================
   SLAB V — Submission Plinth
   ========================================================== */
.plinth {
  background: transparent;
  padding: 20px 0 40px;
  max-width: 920px;
  margin: 0 auto;
}
.plinth-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--concrete);
  color: var(--storm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  line-height: 1.7;
  padding: 18px 0;
  resize: none;
  min-height: 140px;
  outline: none;
  transition: border-color 280ms ease, box-shadow 280ms ease;
  letter-spacing: 0.02em;
}
.plinth-input::placeholder {
  color: var(--stone);
  font-style: italic;
}
.plinth-input:focus {
  border-bottom: 3px solid var(--slate);
  box-shadow: 0 4px 16px rgba(90, 120, 148, 0.18);
}
.plinth-foot {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--stone);
  letter-spacing: 0.05em;
}

.ack {
  margin: 30px auto;
  max-width: 760px;
  padding: 24px 28px;
  background: var(--marble);
  border: 2px solid var(--concrete);
  box-shadow: 3px 3px 0 var(--stone);
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--storm);
  opacity: 1;
  transition: opacity 600ms ease;
}
.ack.hidden { display: none; opacity: 0; }
.ack-glyph {
  color: var(--patina);
  font-size: 1.6em;
  line-height: 1;
}
.ack-text { letter-spacing: 0.02em; }

.colophon {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--stone);
  letter-spacing: 0.05em;
  padding-top: 18px;
  border-top: 1px solid var(--concrete);
  flex-wrap: wrap;
  gap: 14px;
}

/* ==========================================================
   Bounce-enter signature
   ========================================================== */
.archive-row,
.marble-piece,
.reading-col,
.sched-cell {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity 380ms ease,
    transform 380ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.archive-row.visible,
.marble-piece.visible,
.reading-col.visible,
.sched-cell.visible {
  opacity: 1;
  transform: translateY(0);
}
.piece-hand.visible { transform: rotate(-7deg) translateY(0); }
.piece-column.visible { transform: rotate(-7deg) translateY(0); }
.piece-fold.visible { transform: rotate(7deg) translateY(0); }
.piece-profile.visible { transform: rotate(-7deg) translateY(0); }
.piece-frag.visible { transform: rotate(7deg) translateY(0); }

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width: 900px) {
  .reading-cols { column-count: 1; }
  .archive-head, .archive-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px 14px;
  }
  .archive-head .col-dur,
  .archive-head .col-verb,
  .archive-row .col-dur,
  .archive-row .col-verb { display: none; }
  .onair-monolith {
    min-width: 0;
    font-size: 0.66rem;
    padding: 6px 10px;
    top: 14px;
    right: 14px;
  }
  .schedule-days, .schedule-grid-area {
    overflow-x: auto;
  }
  .hero-kanji { font-size: clamp(6rem, 30vw, 12rem); }
  .slab-i .slab-inner,
  .slab-ii .slab-inner,
  .slab-iii .slab-inner,
  .slab-iv .slab-inner,
  .slab-v .slab-inner { padding: 80px 5vw 80px; }
  .reading-stele { padding: 30px 20px; }
}

@media (max-width: 600px) {
  .transmission-ticker {
    position: static;
    font-size: 0.68rem;
    margin-bottom: 30px;
  }
  .hero-kanji-wrap { margin-top: 40px; height: auto; }
  .slab-title { font-size: clamp(1.2rem, 7vw, 2rem); }
  .piece-column, .piece-profile { display: none; }
}