:root {
  color-scheme: light;
  --bg: #efe7de;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --text: #231b16;
  --muted: #69594b;
  --line: rgba(77, 61, 49, 0.14);
  --accent: #8f5327;
  --accent-strong: #62320f;
  --shadow: 0 22px 54px rgba(69, 45, 29, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 227, 198, 0.96), transparent 34%),
    radial-gradient(circle at 82% 12%, rgba(232, 190, 149, 0.38), transparent 28%),
    linear-gradient(180deg, #faf6f1 0%, var(--bg) 100%);
}

button,
input,
select,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
video {
  display: block;
  width: 100%;
  height: 100%;
}

img {
  object-fit: cover;
}

video {
  object-fit: contain;
  background: #000;
}

.page-shell {
  width: min(1760px, calc(100vw - 20px));
  margin: 0 auto;
  padding: clamp(10px, 1.4vw, 24px) 0 clamp(20px, 2.4vw, 40px);
}

.controls,
.results-bar,
.card,
.viewer__chrome {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background: var(--panel);
  backdrop-filter: blur(16px);
}

.viewer__eyebrow {
  margin: 0 0 10px;
  font-size: 0.84rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.card__header h2,
.viewer__bar h2 {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
  line-height: 1.05;
}

.controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
  padding: 14px;
  border-radius: 24px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  font-size: 0.84rem;
  color: var(--muted);
}

.field input,
.field select {
  width: 100%;
  border: 1px solid rgba(98, 50, 15, 0.2);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
}

.results-bar {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.results-bar p {
  margin: 0;
  color: var(--muted);
}

.pager {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.results-bar--bottom {
  margin-top: 14px;
  margin-bottom: 4px;
}

.scroll-top {
  position: fixed;
  right: clamp(14px, 2.5vw, 32px);
  bottom: clamp(14px, 2.5vw, 32px);
  z-index: 5;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(98, 50, 15, 0.18);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff6ef;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.scroll-top:hover,
.scroll-top:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(116, 58, 18, 0.24);
  outline: none;
}

.scroll-top[hidden] {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .button,
  .scroll-top {
    transition: none;
  }
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(98, 50, 15, 0.18);
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-strong);
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible,
.card__preview:hover,
.card__preview:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(116, 58, 18, 0.12);
  outline: none;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff6ef;
  border-color: transparent;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 16px;
  margin-top: 14px;
}

.card {
  overflow: hidden;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  /* Skip layout/paint for off-screen cards; matters at 96 per page. */
  content-visibility: auto;
  contain-intrinsic-size: auto 420px;
}

.card--empty {
  grid-column: 1 / -1;
}

.card--marked {
  border-color: rgba(168, 40, 28, 0.55);
  box-shadow: 0 0 0 2px rgba(168, 40, 28, 0.28), var(--shadow);
}

.card--marked .card__preview {
  opacity: 0.55;
}

.button--mark {
  margin-left: auto;
  font-size: 0.86rem;
  padding: 8px 12px;
}

.card--marked .button--mark {
  background: rgba(168, 40, 28, 0.12);
  border-color: rgba(168, 40, 28, 0.4);
  color: #8d2318;
}

.marks-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 20px;
  border: 1px solid rgba(168, 40, 28, 0.32);
  background: rgba(255, 240, 236, 0.9);
  box-shadow: var(--shadow);
}

.marks-bar p {
  margin: 0;
  color: #8d2318;
}

.marks-bar[hidden] {
  display: none;
}

.card__preview {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 0;
  border: 0;
  background: linear-gradient(135deg, #d9c3b0, #f8eee5);
  cursor: pointer;
}

.card__preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(28, 18, 13, 0.2) 100%);
}

.card__placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: rgba(34, 27, 22, 0.65);
  font-weight: 700;
}

.card__body {
  display: grid;
  gap: 12px;
  padding: clamp(16px, 1.8vw, 22px);
}

.card__header h2 {
  font-size: clamp(1.02rem, 1vw + 0.72rem, 1.18rem);
  line-height: 1.2;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: clamp(0.92rem, 0.7vw + 0.7rem, 1rem);
}

.card__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.card p.card__note {
  font-size: 0.88rem;
  color: var(--accent-strong);
}

.viewer__fallback {
  display: grid;
  gap: 16px;
  place-items: center;
  padding: 32px;
  text-align: center;
  color: #f6ece3;
}

.viewer__fallback p {
  margin: 0;
}

.viewer {
  width: min(96vw, 1180px);
  border: 0;
  padding: 0;
  background: transparent;
}

.viewer::backdrop {
  background: rgba(19, 12, 8, 0.72);
  backdrop-filter: blur(8px);
}

.viewer__chrome {
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
}

.viewer__bar {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid rgba(77, 61, 49, 0.12);
}

.viewer__bar h2 {
  font-size: clamp(1.2rem, 1.5vw, 1.7rem);
}

.viewer__close {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(34, 27, 22, 0.08);
  color: var(--text);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.viewer__stage {
  display: grid;
  place-items: center;
  min-height: min(72vh, 780px);
  background: #16110d;
}

.viewer__stage img,
.viewer__stage video {
  width: 100%;
  height: 100%;
  max-height: min(72vh, 780px);
}

.viewer__footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 20px 18px;
  color: var(--muted);
  border-top: 1px solid rgba(77, 61, 49, 0.12);
}

@media (max-width: 980px) {
  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 14px, 1760px);
  }

  .controls,
  .results-bar,
  .marks-bar,
  .viewer__chrome {
    border-radius: 18px;
  }

  .controls {
    grid-template-columns: 1fr;
  }

  .results-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .card__preview {
    aspect-ratio: 16 / 10;
  }
}