:root {
  --paper: #f7f2e8;
  --ink: #171514;
  --muted: #60584f;
  --panel: rgba(255, 250, 243, 0.92);
  --panel-strong: #fffdf8;
  --line: rgba(67, 53, 33, 0.18);
  --accent: #b54826;
  --accent-deep: #752311;
  --gold: #d6af52;
  --green: #256f58;
  --red: #8e2a1a;
  --shadow: 0 22px 70px rgba(33, 23, 14, 0.22);
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
  --font-body: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top, rgba(214, 175, 82, 0.35), transparent 28%),
    linear-gradient(180deg, #2f1b14 0%, #5a3425 25%, #e6d2b8 100%);
}

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

.page-shell {
  width: min(1200px, calc(100% - 24px));
  margin: 0 auto;
  padding:
    max(18px, env(safe-area-inset-top))
    0
    max(28px, env(safe-area-inset-bottom));
}

.hero {
  margin-top: 18px;
  padding: 28px clamp(18px, 4vw, 38px);
  border: 1px solid rgba(255, 240, 217, 0.18);
  border-radius: 28px;
  color: #fff8ea;
  background:
    linear-gradient(140deg, rgba(54, 26, 16, 0.94), rgba(121, 55, 27, 0.88)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  opacity: 0.82;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 0.95;
}

.hero-copy {
  width: min(640px, 100%);
  margin: 16px 0 0;
  font-size: 1.05rem;
  line-height: 1.6;
}

.hero-meta {
  display: flex;
  gap: 12px 22px;
  flex-wrap: wrap;
  margin-top: 18px;
  font-size: 0.92rem;
}

.hero-meta a {
  color: #ffe6b8;
  text-underline-offset: 3px;
}

.app-shell {
  margin-top: 18px;
  padding: clamp(16px, 3vw, 28px);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.96), rgba(248, 240, 228, 0.96));
  box-shadow: var(--shadow);
  border: 1px solid rgba(77, 55, 31, 0.12);
}

.status-panel {
  margin-top: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-block {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.status-label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.bucket-block strong {
  font-size: 1rem;
}

.mode-panel,
.browse-panel {
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.mode-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.control-group {
  display: grid;
  gap: 8px;
}

.control-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.segmented-control,
.filter-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segmented-button,
.filter-chip {
  border: 1px solid rgba(75, 56, 34, 0.14);
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.segmented-button:hover,
.segmented-button:focus-visible,
.filter-chip:hover,
.filter-chip:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(181, 72, 38, 0.4);
  box-shadow: 0 10px 20px rgba(60, 44, 26, 0.08);
}

.segmented-button.is-active,
.filter-chip.is-active {
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 12px 24px rgba(120, 44, 20, 0.18);
}

.prompt-panel,
.result-panel {
  margin-top: 14px;
  padding: 16px 18px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.prompt-panel p,
.result-panel p {
  margin: 0;
  line-height: 1.5;
}

.prompt-context {
  color: var(--muted);
  font-size: 0.9em;
  font-weight: 500;
}

.arena {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: start;
  margin-top: 18px;
}

.versus {
  align-self: center;
  justify-self: center;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(117, 35, 17, 0.18);
  background: rgba(214, 175, 82, 0.18);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}

.card-option {
  position: relative;
  width: 100%;
  padding: 14px;
  border-radius: 24px;
  border: 1px solid rgba(75, 56, 34, 0.16);
  background: linear-gradient(180deg, #fffdfa, #f4ead9);
  box-shadow: 0 18px 40px rgba(60, 44, 26, 0.08);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card-option:not(:disabled):hover,
.card-option:not(:disabled):focus-visible {
  transform: translateY(-3px);
  border-color: rgba(181, 72, 38, 0.55);
  box-shadow: 0 22px 44px rgba(60, 44, 26, 0.14);
  outline: none;
}

.card-option:disabled {
  cursor: default;
}

.card-option.is-selected {
  border-color: rgba(181, 72, 38, 0.75);
  box-shadow: 0 24px 54px rgba(120, 44, 20, 0.18);
}

.card-option.is-correct {
  border-color: rgba(37, 111, 88, 0.7);
}

.card-option.is-wrong {
  border-color: rgba(142, 42, 26, 0.72);
}

.card-option.is-tie {
  border-color: rgba(214, 175, 82, 0.88);
}

.card-option.is-hero {
  animation: winner-swoop 420ms cubic-bezier(0.2, 0.9, 0.24, 1) forwards;
}

.card-option.is-sunken {
  animation: loser-swoop 380ms cubic-bezier(0.2, 0.9, 0.24, 1) forwards;
}

.card-frame {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.image-shell {
  position: relative;
  width: min(100%, 420px);
  margin: 0 auto;
  aspect-ratio: 0.716 / 1;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(38, 23, 15, 0.96), rgba(99, 55, 31, 0.72));
  border: 1px solid rgba(255, 244, 225, 0.24);
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  text-align: center;
  color: #fff1cf;
  line-height: 1.4;
  background:
    radial-gradient(circle at 30% 20%, rgba(214, 175, 82, 0.34), transparent 34%),
    linear-gradient(135deg, rgba(41, 24, 16, 0.95), rgba(109, 56, 25, 0.82));
}

.card-copy {
  min-width: 0;
  width: min(100%, 420px);
  margin: 0 auto;
  padding: 2px 2px 0;
  text-align: left;
}

.card-name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  line-height: 1.15;
}

.card-meta {
  margin: 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: 0.9rem;
}

.reveal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 0;
}

.reveal-grid div {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(67, 53, 33, 0.12);
}

.reveal-grid dt {
  margin: 0 0 6px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.reveal-grid dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.result-panel {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.result-panel.is-correct {
  background:
    linear-gradient(135deg, rgba(226, 247, 234, 0.96), rgba(241, 252, 216, 0.94));
  border-color: rgba(37, 111, 88, 0.22);
}

.result-panel.is-wrong {
  background:
    linear-gradient(135deg, rgba(255, 236, 219, 0.96), rgba(255, 243, 205, 0.94));
  border-color: rgba(181, 72, 38, 0.26);
}

.result-panel.is-tie {
  background:
    linear-gradient(135deg, rgba(255, 247, 214, 0.96), rgba(255, 238, 194, 0.94));
  border-color: rgba(214, 175, 82, 0.34);
}

#resultText {
  font-size: 1.02rem;
  font-weight: 700;
  flex: 0 0 auto;
  white-space: nowrap;
}

.result-callout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  flex: 1 1 0;
  min-width: 0;
  width: auto;
}

.result-card {
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(67, 53, 33, 0.12);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.result-card.is-winner {
  background:
    linear-gradient(135deg, rgba(211, 248, 219, 0.94), rgba(243, 255, 204, 0.92));
  border-color: rgba(37, 111, 88, 0.24);
}

.result-card.is-loser {
  background:
    linear-gradient(135deg, rgba(255, 232, 228, 0.94), rgba(255, 241, 214, 0.92));
  border-color: rgba(181, 72, 38, 0.2);
}

.result-card.is-tie {
  background:
    linear-gradient(135deg, rgba(255, 247, 214, 0.94), rgba(255, 241, 194, 0.92));
  border-color: rgba(214, 175, 82, 0.24);
}

.result-card-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.1;
}

.result-grade-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.result-grade {
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 700;
  color: var(--accent-deep);
}

.result-score {
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
}

#nextButton {
  flex: 0 0 auto;
  border: 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: white;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
}

#nextButton:hover,
#nextButton:focus-visible {
  outline: none;
  filter: brightness(1.06);
}

.browse-toolbar {
  display: grid;
  gap: 16px;
}

.browse-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.browse-card,
.browse-empty {
  border-radius: 22px;
  border: 1px solid rgba(67, 53, 33, 0.12);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.browse-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px;
}

.browse-empty {
  grid-column: 1 / -1;
  padding: 18px;
  text-align: center;
  color: var(--muted);
}

.browse-rank {
  position: absolute;
  top: 12%;
  left: 10px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 8px 10px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 248, 229, 0.96), rgba(248, 227, 187, 0.96));
  border: 1px solid rgba(181, 72, 38, 0.14);
  box-shadow: 0 10px 24px rgba(33, 23, 14, 0.14);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.browse-image-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 0.716 / 1;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(38, 23, 15, 0.96), rgba(99, 55, 31, 0.72));
  border: 1px solid rgba(255, 244, 225, 0.24);
  box-shadow: 0 22px 42px rgba(33, 23, 14, 0.18);
}

.browse-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.browse-image-fallback {
  font-size: 0.74rem;
}

.browse-copy {
  min-width: 0;
}

.browse-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.browse-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.1;
}

.browse-grade-pill {
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 244, 225, 0.92), rgba(248, 227, 187, 0.96));
  border: 1px solid rgba(181, 72, 38, 0.12);
}

.browse-grade {
  font-size: 1.2rem;
  line-height: 1;
  font-weight: 700;
  color: var(--accent-deep);
}

.browse-score {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--muted);
}

.browse-meta {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.45;
  font-size: 0.92rem;
}

@keyframes winner-swoop {
  0% {
    transform: translateY(0) scale(1);
  }

  60% {
    transform: translateY(-12px) scale(1.045);
  }

  100% {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 28px 54px rgba(37, 111, 88, 0.2);
  }
}

@keyframes loser-swoop {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }

  100% {
    transform: translateY(10px) scale(0.965);
    opacity: 0.84;
    box-shadow: 0 10px 22px rgba(60, 44, 26, 0.08);
  }
}

@media (max-width: 960px) {
  .arena {
    grid-template-columns: 1fr;
  }

  .versus {
    order: -1;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100%, calc(100% - 10px));
    padding: 8px 0 18px;
  }

  .app-shell {
    padding: 12px 10px 18px;
    border-radius: 18px;
  }

  .status-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .status-block {
    padding: 10px 12px;
    border-radius: 14px;
  }

  .bucket-block {
    grid-column: 1 / -1;
  }

  .prompt-panel,
  .result-panel,
  .mode-panel,
  .browse-panel {
    margin-top: 10px;
    padding: 12px 14px;
    border-radius: 16px;
  }

  .prompt-panel p,
  .result-panel p {
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .arena {
    gap: 10px;
    margin-top: 12px;
  }

  .image-shell {
    width: 100%;
    max-width: none;
    border-radius: 16px;
  }

  .card-option {
    padding: 10px;
    border-radius: 18px;
  }

  .card-copy {
    width: 100%;
    max-width: none;
  }

  .card-name {
    font-size: 1rem;
  }

  .card-meta {
    font-size: 0.84rem;
  }

  .reveal-grid {
    gap: 8px;
  }

  .reveal-grid div {
    padding: 9px 10px;
    border-radius: 12px;
  }

  .reveal-grid dd {
    font-size: 0.98rem;
  }

  .versus {
    order: 0;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: 0.78rem;
    opacity: 0.7;
  }

  .result-panel {
    position: sticky;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 5;
    background: rgba(255, 250, 243, 0.96);
    backdrop-filter: blur(8px);
    box-shadow: 0 12px 26px rgba(33, 23, 14, 0.16);
    align-items: stretch;
    flex-direction: column;
    padding-bottom: max(12px, calc(12px + env(safe-area-inset-bottom) * 0.45));
  }

  .result-callout {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .result-card {
    padding: 11px 12px;
    border-radius: 14px;
  }

  .result-card-name {
    font-size: 0.94rem;
  }

  .result-grade {
    font-size: 1.6rem;
  }

  #nextButton {
    width: 100%;
  }

  .mode-panel {
    align-items: stretch;
    flex-direction: column;
  }

  .segmented-button,
  .filter-chip {
    padding: 9px 12px;
  }

  .browse-list {
    margin-top: 14px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
  }

  .browse-card {
    padding: 12px;
    border-radius: 16px;
  }

  .browse-rank {
    min-width: 44px;
    font-size: 1rem;
  }

  .browse-image-shell {
    border-radius: 12px;
  }

  .browse-heading {
    flex-direction: column;
    gap: 8px;
  }

  .browse-grade-pill {
    width: fit-content;
  }

  .hero {
    margin-top: 12px;
    padding: 18px 16px 20px;
    border-radius: 18px;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 10vw, 2.8rem);
  }

  .hero-copy {
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
  }

  .hero-meta {
    gap: 8px 14px;
    margin-top: 14px;
    font-size: 0.88rem;
  }
}

@media (max-width: 420px) {
  .page-shell {
    width: min(100%, calc(100% - 6px));
  }

  .app-shell {
    padding: 10px 8px 16px;
  }

  .status-panel {
    grid-template-columns: 1fr;
  }

  .bucket-block {
    grid-column: auto;
  }

  .card-option {
    padding: 8px;
  }

  .prompt-panel,
  .result-panel,
  .mode-panel,
  .browse-panel {
    padding: 11px 12px;
  }

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

  .browse-card {
    padding: 10px;
  }

  .browse-rank {
    top: 12%;
    left: 8px;
  }

  .browse-image-shell {
    width: 100%;
  }
}

.set-panel { margin-bottom: 14px; }
#setSelect {
  max-width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--panel-strong);
}
#setSelect:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.site-credits {
  margin-top: 18px;
  padding: 18px 22px;
  border-radius: 18px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}
.site-credits p { margin: 0; }
.site-credits p + p { margin-top: 10px; }
.site-credits a { color: var(--accent-deep); text-decoration: underline; }

.status-panel { grid-template-columns: 1fr 2fr 1fr; }
#accuracyStat { font-size: .92rem; line-height: 1.5; font-weight: 500; display: block; }
@media (max-width: 760px) {
  .status-panel { grid-template-columns: 1fr; }
  .bucket-block { grid-column: auto; }
}