/* 惊燕 — one procedural plate hung beside the main scroll.
   Text stays on the paper ground; only the artwork receives a mounted edge. */

.plate-page {
  min-height: 100vh;
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, transparent 0 5px, color-mix(in srgb, var(--ink) 1.2%, transparent) 5px 6px),
    repeating-linear-gradient(90deg, transparent 0 104px, color-mix(in srgb, var(--ink) 1.8%, transparent) 104px 105px);
}

.plate-head,
.plate-shell,
.plate-foot {
  width: min(100% - 48px, 1120px);
  margin-inline: auto;
}

.plate-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: clamp(24px, 5vw, 56px) var(--space-5);
  border-bottom: var(--line-thin) solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: lowercase;
}

.plate-head p { margin: 0; color: var(--ink-mute); }

.plate-back,
.plate-source a,
.plate-provenance a,
.plate-foot a {
  text-decoration-color: color-mix(in srgb, currentColor 38%, transparent);
  text-underline-offset: .24em;
  text-decoration-thickness: 1px;
}

.plate-back {
  min-height: var(--control-height);
  display: inline-flex;
  align-items: center;
  font-weight: 700;
}

.plate-shell {
  display: grid;
  grid-template-columns: minmax(320px, 600px) minmax(260px, 1fr);
  align-items: center;
  gap: clamp(40px, 7vw, 96px);
  padding-block: clamp(48px, 8vw, 104px);
}

.plate-artwork {
  aspect-ratio: 4 / 5;
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--paper);
  border: var(--line-thin) solid var(--celadon-deep);
  border-radius: 3px;
  box-shadow: 0 24px 54px rgba(34, 42, 34, .2), 0 4px 10px rgba(34, 42, 34, .12);
}

.plate-artwork img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--paper);
}

.plate-artwork figcaption {
  position: absolute;
  z-index: 1;
  top: 88.2%;
  right: 5.5%;
  bottom: auto;
  left: 5.5%;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: var(--space-3);
  margin: 0;
  color: #222a22;
  line-height: 1.05;
}

.plate-artwork figcaption b {
  color: #a2371f;
  font-family: var(--font-cjk);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: .16em;
}

.plate-artwork figcaption span {
  color: #3c453c;
  font-family: var(--font-display);
  font-size: clamp(.86rem, 1.7vw, 1.1rem);
  letter-spacing: -.01em;
}

.plate-artwork figcaption small {
  grid-column: 1 / -1;
  color: #525b50;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .08em;
  text-transform: lowercase;
}

.plate-artwork figcaption i { font-style: normal; }

.plate-note { max-width: 29rem; }

.plate-kicker {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  color: var(--cinnabar-deep);
}

.plate-kicker b {
  font-family: var(--font-cjk);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .08em;
}

.plate-kicker span,
.plate-foot span {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  text-transform: lowercase;
}

.plate-note h1 {
  max-width: 11ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 5rem);
  font-weight: 630;
  font-stretch: 92%;
  line-height: .95;
  letter-spacing: -.05em;
}

.plate-lede {
  margin: var(--space-5) 0 0;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.65;
}

.plate-lede i {
  font-family: var(--font-cjk);
  font-style: normal;
  color: var(--cinnabar-deep);
}

.plate-method {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--line-strong) solid var(--cinnabar);
}

.plate-method > p { margin: 0; color: var(--ink-soft); }

.plate-method dl {
  display: grid;
  gap: 0;
  margin: var(--space-5) 0 0;
}

.plate-method dl div {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: var(--space-3);
  padding-block: 9px;
  border-top: var(--line-thin) solid var(--line-dark);
}

.plate-method dl div:last-child { border-bottom: var(--line-thin) solid var(--line-dark); }

.plate-method dt,
.plate-method dd { margin: 0; }

.plate-method dt {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  text-transform: lowercase;
}

.plate-method dd { color: var(--ink-soft); }

.plate-provenance {
  margin: var(--space-6) 0 0;
  color: var(--ink-mute);
  font-size: .9rem;
}

.plate-source {
  margin: var(--space-5) 0 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
}

.plate-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-5) clamp(36px, 6vw, 72px);
  border-top: var(--line-thin) solid var(--line-dark);
  color: var(--ink-mute);
}

.plate-foot p {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin: 0;
}

.plate-foot b {
  color: var(--cinnabar-deep);
  font-family: var(--font-cjk);
  font-weight: 700;
}

@media (max-width: 760px) {
  .plate-head,
  .plate-shell,
  .plate-foot { width: min(100% - 32px, 560px); }

  .plate-head {
    align-items: flex-start;
    padding-block: 18px;
  }

  .plate-head p {
    max-width: 10rem;
    padding-top: 14px;
    text-align: right;
  }

  .plate-shell {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    padding-block: var(--space-6) var(--space-8);
  }

  .plate-note { max-width: none; }
  .plate-note h1 { max-width: 9ch; }

  .plate-foot {
    align-items: flex-start;
    padding-bottom: var(--space-6);
  }

  .plate-foot p {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-1);
  }
}

@media (max-width: 480px) {
  .plate-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .plate-head p {
    max-width: none;
    padding-top: 0;
    text-align: left;
  }
}

@media (prefers-color-scheme: dark) {
  .plate-page {
    --paper: #17201a;
    --paper-raised: #222a22;
    --paper-deep: #111712;
    --ink: #e8ede4;
    --ink-soft: #cdd7ce;
    --ink-mute: #b8c4ba;
    --line: #36433a;
    --line-dark: #536357;
    --cinnabar: #e05b42;
    --cinnabar-deep: #f06b50;
    --celadon: #a9bfad;
    --celadon-deep: #a9bfad;
  }

  .plate-artwork {
    box-shadow: 0 24px 54px rgba(0, 0, 0, .36), 0 4px 10px rgba(0, 0, 0, .24);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .plate-artwork img { animation: plate-soak-in 720ms var(--ease-out) both; }
  .plate-note { animation: plate-copy-in 620ms 90ms var(--ease-out) both; }

  @keyframes plate-soak-in {
    from { opacity: .72; filter: blur(5px); transform: scale(.996); }
    to { opacity: 1; filter: blur(0); transform: scale(1); }
  }

  @keyframes plate-copy-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
}