:root {
  --card-cream: #fffaf0;
  --card-brown: #4a3728;
  --card-green: #257836;
  --card-green-soft: #e7f2df;
  --card-blue: #d9edf0;
  --card-terracotta: #c86e4a;
}

* { box-sizing: border-box; }

body { background: var(--card-cream); }

.app-shell {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: clamp(22px, 5vw, 56px) 0 56px;
}

.app-header, .settings-screen, .complete-screen, .picture-card, .answer-panel {
  border: 1px solid var(--linest-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--linest-shadow);
}

.app-header { padding: clamp(24px, 5vw, 40px); }
.app-header h1, .section-heading h2, .complete-screen h2 { margin: 0; }
.lead { margin: 8px 0 0; color: var(--linest-muted); }
.eyebrow { margin: 0 0 4px; font-size: .82rem; font-weight: 700; }

.settings-screen, .complete-screen { margin-top: 20px; padding: clamp(22px, 4vw, 36px); }
.section-heading, .group-heading, .card-status, .card-actions { display: flex; gap: 16px; align-items: center; justify-content: space-between; }
.match-count { flex: 0 0 auto; margin: 0; padding: 6px 15px; border-radius: 999px; background: var(--card-green-soft); color: var(--card-green); font-weight: 700; }
.match-help { margin: 10px 0 0; color: var(--linest-muted); font-size: .92rem; }

.selection-group { padding: 24px 0; border-bottom: 1px solid var(--linest-border); }
.selection-group:last-of-type { border-bottom: 0; }
.selection-group h3 { margin: 0; font-size: 1rem; }
.group-actions { display: flex; gap: 4px; }
.group-help { margin: 8px 0 0; color: var(--linest-muted); font-size: .9rem; }
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
.chip, .text-button, .primary-button, .secondary-button {
  border: 1px solid var(--linest-border);
  font-weight: 700;
}
.chip { min-width: 58px; padding: 9px 15px; background: #fff; color: var(--card-brown); }
.chip.is-selected { border-color: var(--card-green); background: var(--card-green-soft); color: var(--card-green); }
.text-button { min-height: 38px; padding: 6px 10px; background: transparent; color: var(--card-green); text-decoration: underline; text-underline-offset: 3px; }
.primary-button, .secondary-button { min-height: 56px; padding: 13px 24px; font-size: 1.02rem; }
.primary-button { background: var(--card-green); color: #fff; border-color: var(--card-green); }
.secondary-button { background: #fff; color: var(--card-terracotta); border-color: var(--card-terracotta); }
.settings-screen > .primary-button { display: block; width: min(100%, 440px); margin: 24px auto 0; }
.empty-guide { margin: 20px 0 0; padding: 12px 16px; border-radius: 12px; background: #fff1ea; color: #8b482e; }

.card-screen { margin-top: 20px; }
.card-status { padding: 0 4px 12px; color: var(--linest-muted); font-size: .93rem; }
.card-status p { margin: 0; }
.picture-card { display: grid; min-height: min(64vh, 620px); place-items: center; padding: clamp(12px, 3vw, 30px); background: var(--card-cream); }
.picture-card img { width: 100%; max-width: 760px; max-height: 62vh; object-fit: contain; }
.answer-panel { margin-top: 18px; padding: 18px 22px; text-align: center; }
.answer-label { margin: 0; color: var(--linest-muted); font-weight: 700; }
.answer-word { margin: 2px 0; font-size: clamp(1.8rem, 6vw, 3rem); font-weight: 700; }
.answer-target { margin: 0; color: var(--card-green); font-weight: 700; }
.card-actions { justify-content: center; flex-wrap: wrap; margin-top: 20px; }
.complete-screen { text-align: center; }
.complete-screen > p:not(.eyebrow) { color: var(--linest-muted); }

@media (max-width: 560px) {
  .app-shell { width: min(100% - 20px, 960px); padding-top: 12px; }
  .section-heading, .group-heading, .card-status { align-items: flex-start; flex-direction: column; gap: 8px; }
  .group-actions { margin-left: -10px; }
  .chip { min-width: 52px; padding-inline: 12px; }
  .picture-card { min-height: 52vh; }
  .card-actions { display: grid; grid-template-columns: 1fr; }
  .card-actions button { width: 100%; }
}