main { max-width: 42rem; margin: 0 auto; padding: 1.2rem; }
.pub-mast p { font-size: 1.05rem; }

h1 { font-size: clamp(1.8rem, 6vw, 2.5rem); margin-bottom: 0.35rem; }

.lookup-form {
  display: grid;
  gap: 0.6rem;
  margin: 1.2rem 0;
  padding: 1rem;
  background: var(--panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--hairline);
}
.lookup-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: stretch;
}
.lookup-actions button { flex: 1 1 10rem; }
#isbn { font-size: 1.4rem; }
#reader {
  margin: 0.5rem 0 1rem;
  min-height: 220px;
  background: var(--void);
  border: 1px solid var(--hairline);
}
#reader video, #reader canvas, #reader img { max-width: 100%; }

.status-card {
  padding: 1.25rem 1.1rem;
  margin: 1rem 0 1.5rem;
  text-align: center;
  border-width: 2px;
}
.status-card.owned, .status-card.owned_other_edition {
  border-color: var(--rose-bright);
  box-shadow: 0 0 0 1px rgba(224, 139, 150, 0.2), var(--shadow);
  animation: flash 0.7s ease-in-out 3;
}
.status-card.not_owned { border-color: var(--sage); }
.status-card.wanted { border-color: var(--copper); }
.status-card.unknown { border-color: var(--star-dim); }
.status-word {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 10vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0;
  text-transform: uppercase;
}
.status-card.owned .status-word,
.status-card.owned_other_edition .status-word { color: var(--rose-bright); }
.status-card.not_owned .status-word { color: var(--sage); }
.status-card.wanted .status-word { color: var(--copper-2); }
.status-card.unknown .status-word { color: var(--star-dim); }
.status-sub { font-size: 1.1rem; margin: 0.25rem 0 0.8rem; color: var(--star-dim); }
.status-title { font-size: 1.4rem; color: var(--star); margin: 0.4rem 0 0.2rem; font-family: var(--font-display); }

.match-list { list-style: none; padding: 0; }
.match-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.9rem 1rem;
  margin-bottom: 0.45rem;
  background: var(--panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--hairline);
}
.tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: var(--font-display);
  text-transform: uppercase;
}
.tag.owned, .tag.owned_other_edition { color: var(--rose-bright); }
.tag.wanted { color: var(--copper-2); }
.tag.not_owned { color: var(--sage); }
.wanted-form, .result-actions { margin-top: 0.85rem; }
.result-actions {
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}
.wanted-form {
  display: grid;
  gap: 0.45rem;
  width: min(22rem, 100%);
  justify-items: stretch;
}
.wanted-form textarea { width: 100%; min-height: 4rem; }
.wanted-form button, .result-actions button { width: auto; min-width: 12rem; }
.wanted-form button { width: 100%; min-width: 0; }
.success-banner {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  text-align: center;
  border-width: 2px;
  text-transform: uppercase;
}

@keyframes flash { 50% { filter: brightness(1.12); transform: scale(1.012); } }

@media (max-width: 640px) {
  main {
    max-width: none;
    padding: 0.85rem 0.9rem calc(1.15rem + env(safe-area-inset-bottom, 0px));
  }
  h1 { font-size: 1.45rem; }
  .lede { font-size: 0.95rem; margin: 0 0 0.7rem; }
  .lookup-form {
    margin: 0.7rem 0;
    padding: 0.85rem;
  }
  .lookup-form label, .lookup-form input { width: 100%; }
  #isbn { font-size: 1.12rem; }
  .lookup-actions { flex-direction: column; }
  .lookup-actions button { flex: 1 1 auto; width: 100%; }
  .camera-cta { order: -1; }
  #reader {
    min-height: 0;
    aspect-ratio: 4 / 3;
    width: 100%;
  }
  .status-card { padding: 1rem 0.8rem; }
  .status-word {
    font-size: clamp(1.55rem, 11vw, 2.35rem);
    letter-spacing: 0.06em;
  }
  .status-title { font-size: 1.2rem; }
  .wanted-form button, .result-actions button {
    width: 100%;
    min-width: 0;
  }
  .match-list li { padding: 0.8rem 0.85rem; }
}

@media (prefers-reduced-transparency: reduce) {
  .lookup-form, .match-list li {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--panel-solid);
  }
}