/*
  Palette : papier froid (pas le crème générique #F4F1EA), encre à
  sous-ton bleu, bleu marine comme identité (pas de terracotta), ocre
  réservé exclusivement au badge "bon plan" — jamais utilisé ailleurs
  pour ne pas diluer sa signification.
*/
:root {
  --paper: #eef0ec;
  --paper-raised: #f7f8f5;
  --ink: #14181c;
  --ink-soft: #4a5158;
  --line: #d8d6cc;
  --marine: #1d4e89;
  --marine-deep: #163e6d;
  --stamp: #c98a2c;
  --stamp-bg: #f6ead2;
  --error: #a33a2e;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.masthead {
  margin-bottom: 3rem;
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 14ch;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 2rem;
}

.search-bar {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.75rem;
}

.search-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--sans);
  font-size: 1.1rem;
  color: var(--ink);
  padding: 0.25rem 0;
}

.search-bar input::placeholder {
  color: var(--ink-soft);
  opacity: 0.7;
}

.search-bar input:focus {
  outline: none;
}

.search-bar input:focus-visible {
  outline: 2px solid var(--marine);
  outline-offset: 4px;
}

.search-bar select {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.3rem 0.4rem;
  align-self: center;
}

.search-bar select:focus-visible {
  outline: 2px solid var(--marine);
  outline-offset: 2px;
}

.search-bar button {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--marine);
  color: var(--paper-raised);
  border: none;
  border-radius: 3px;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
}

.search-bar button:hover {
  background: var(--marine-deep);
}

.search-bar button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.view {
  margin-top: 2.5rem;
}

.state-message {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.state-message--error {
  color: var(--error);
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.result-row {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

.result-row:hover {
  background: var(--paper-raised);
}

.result-row:focus-visible {
  outline: 2px solid var(--marine);
  outline-offset: -2px;
}

.result-row-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.result-name {
  font-size: 1.05rem;
  font-weight: 500;
}

.result-price {
  font-family: var(--mono);
  font-size: 1.15rem;
  white-space: nowrap;
}

.result-row-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.deal-stamp {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--stamp);
  background: var(--stamp-bg);
  border: 1px solid var(--stamp);
  border-radius: 2px;
  padding: 0.1rem 0.4rem;
}

/* Discret et neutre, volontairement distinct du .deal-stamp coloré : une
   information de prudence ("à vérifier"), pas un signal positif comme un
   bon plan. Voir docs/SEARCH.md § Fraîcheur du prix — signalé, jamais
   caché ni exclu. */
.stale-note {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-style: italic;
  color: var(--ink-soft);
}

/* Texte brut fourni par le marchand (docs/SEARCH.md), jamais interprété
   — même ton neutre que .stale-note plutôt qu'un badge affirmatif, pour
   ne pas laisser croire à une disponibilité vérifiée par la plateforme. */
.offer-availability {
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.back-button {
  font-family: var(--sans);
  font-size: 0.95rem;
  background: none;
  border: none;
  color: var(--marine);
  cursor: pointer;
  padding: 0;
  margin-bottom: 1.5rem;
}

.back-button:hover {
  text-decoration: underline;
}

.back-button:focus-visible {
  outline: 2px solid var(--marine);
  outline-offset: 2px;
}

#detail-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  margin: 0 0 1.5rem;
}

.offers-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.offer-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.offer-merchant {
  font-size: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.offer-merchant a {
  color: var(--marine);
  text-decoration: none;
}

.offer-merchant a:hover {
  text-decoration: underline;
}

.offer-price-group {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  white-space: nowrap;
}

.offer-price {
  font-family: var(--mono);
  font-size: 1.1rem;
}

.site-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

@media (max-width: 480px) {
  .page {
    padding: 1.5rem 1.25rem 3rem;
  }

  .result-row-top,
  .offer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  /* Le sélecteur de devise passe sous le champ de recherche plutôt que
     de le compresser à côté du bouton "Chercher" sur un petit écran. */
  .search-bar {
    flex-wrap: wrap;
  }

  .search-bar input {
    flex-basis: 100%;
  }
}