:root {
  --paper: #eff1e7;
  --paper-card: #fbf9f3;
  --ink: #26241f;
  --ink-soft: #5b5748;
  --sign-brown: #6b4226;
  --route-green: #2f6b4f;
  --advisory-amber: #c97a25;
  --alert-red: #a23b2c;
  --border-soft: rgba(38, 36, 31, 0.14);
  --radius-lg: 14px;
  --radius-md: 10px;
  --font-display: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: Consolas, "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #201509;
    --paper-card: #2d1f12;
    --ink: #efe6d8;
    --ink-soft: #c9bda7;
    --sign-brown: #8a5a36;
    --route-green: #4e9c77;
    --advisory-amber: #e0983f;
    --alert-red: #d1584a;
    --border-soft: rgba(239, 230, 216, 0.18);
  }
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px 64px; }

/* Masthead */
.masthead { padding: 32px 20px 0; }
.masthead-plate {
  max-width: 840px;
  margin: 0 auto;
  background: var(--sign-brown);
  color: #fdf8ee;
  border-radius: var(--radius-lg);
  border: 3px solid rgba(253, 248, 238, 0.5);
  padding: 26px 30px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}
.masthead-icon { flex-shrink: 0; width: 40px; height: 40px; }
.eyebrow {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(253, 248, 238, 0.75);
}
.masthead h1 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 36px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.tagline { margin: 0; max-width: 46ch; color: rgba(253, 248, 238, 0.88); font-size: 15px; }

/* Navigation entre les deux pages */
.masthead-nav { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
.nav-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1.5px solid rgba(253, 248, 238, 0.45);
  color: rgba(253, 248, 238, 0.88);
}
.nav-link:hover { background: rgba(253, 248, 238, 0.12); }
.nav-link.is-current { background: #fdf8ee; color: var(--sign-brown); border-color: #fdf8ee; }

/* Le bouton de deconnexion vit dans le bandeau brun, comme le compteur de quota :
   avec l'encre brune de .btn-ghost il etait brun sur brun, donc invisible. Il prend
   l'allure des liens voisins. */
.masthead-nav .btn-ghost {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 12px;
  color: rgba(253, 248, 238, 0.88);
  border-color: rgba(253, 248, 238, 0.45);
}
.masthead-nav .btn-ghost:hover { background: rgba(253, 248, 238, 0.12); }

/* Composer */
.composer {
  margin-top: -18px;
  background: var(--paper-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 28px 30px 24px;
  box-shadow: 0 8px 24px rgba(38, 36, 31, 0.08);
}
.section-label {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
input[type="text"], select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}
input[type="text"]:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
  outline: 3px solid var(--advisory-amber);
  outline-offset: 2px;
}
.hint { margin: 6px 0 0; font-size: 13px; color: var(--ink-soft); }

#partenaire-field {
  overflow: hidden;
  max-height: 340px;
  opacity: 1;
  transition: max-height 0.25s ease, opacity 0.2s ease, margin-top 0.25s ease;
}
.stacked-label { margin-top: 16px; }
.infos-textarea { min-height: 92px; font-size: 15px; }
#partenaire-field.is-collapsed {
  max-height: 0;
  opacity: 0;
  margin-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: none;
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--route-green); color: #fdf8ee; box-shadow: 0 4px 12px rgba(47, 107, 79, 0.35); }
.btn-primary:hover { box-shadow: 0 6px 16px rgba(47, 107, 79, 0.45); }

.btn-ghost { background: transparent; color: var(--sign-brown); border: 1.5px solid var(--sign-brown); }
.btn-ghost:hover { background: rgba(107, 66, 38, 0.08); }
.btn-ghost.is-copied { background: var(--route-green); color: #fdf8ee; border-color: var(--route-green); }

.btn-danger { background: transparent; color: var(--alert-red); border: 1.5px solid var(--alert-red); }
.btn-danger:hover { background: rgba(162, 59, 44, 0.1); }

.btn-small { padding: 8px 16px; font-size: 13px; }

.btn-generate { margin-top: 4px; width: 100%; padding: 14px; font-size: 15px; }

/* Banners */
.banner {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--alert-red);
  background: rgba(162, 59, 44, 0.08);
  margin: 20px 0;
  font-size: 14px;
}
.banner p { margin: 0; white-space: pre-wrap; }
.banner-icon { flex-shrink: 0; }

/* Results */
.results { margin-top: 28px; display: grid; gap: 20px; grid-template-columns: 1fr; }
.results.results-grid { grid-template-columns: 1fr 1fr; }
@media (max-width: 759px) {
  .results.results-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper-card);
  border: 1px solid var(--border-soft);
  border-top: 4px solid var(--sign-brown);
  border-radius: var(--radius-lg);
  padding: 22px 24px 24px;
  box-shadow: 0 8px 20px rgba(38, 36, 31, 0.07);
  animation: reveal 0.35s ease-out both;
}
.card-instagram { border-top-color: var(--advisory-amber); }
@keyframes reveal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .card { animation: none; }
  .btn, #partenaire-field { transition: none; }
}

.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.platform-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1.5px solid var(--sign-brown);
  color: var(--sign-brown);
}
.card-instagram .platform-tag { border-color: var(--advisory-amber); color: var(--advisory-amber); }

textarea {
  width: 100%;
  min-height: 170px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 14.5px;
  line-height: 1.6;
  resize: vertical;
}

.score-block { margin-top: 18px; }
.score-header { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.score-number { font-family: var(--font-mono); font-size: 28px; font-weight: 700; }
.score-number.score-high { color: var(--route-green); }
.score-number.score-mid { color: var(--advisory-amber); }
.score-number.score-low { color: var(--alert-red); }

.score-bar { height: 6px; border-radius: 999px; background: var(--border-soft); overflow: hidden; margin-bottom: 12px; }
.score-fill { height: 100%; border-radius: 999px; transition: width 0.4s ease; }
.score-fill.score-high { background: var(--route-green); }
.score-fill.score-mid { background: var(--advisory-amber); }
.score-fill.score-low { background: var(--alert-red); }

.corrections { list-style: none; margin: 0 0 4px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.corrections li { position: relative; padding-left: 22px; font-size: 14px; color: var(--ink-soft); }
.corrections li::before { content: "\25B2"; position: absolute; left: 0; top: 1px; font-size: 10px; color: var(--advisory-amber); }

.card-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.improve-form, .image-form, .delete-form { margin: 0; }
.action-hint { margin: 8px 0 0; font-size: 12.5px; color: var(--ink-soft); }

.image-preview { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.image-preview img { width: 100%; border-radius: var(--radius-md); border: 1px solid var(--border-soft); display: block; }

.empty-state {
  margin-top: 28px;
  padding: 32px 24px;
  text-align: center;
  border: 1.5px dashed var(--border-soft);
  border-radius: var(--radius-lg);
  color: var(--ink-soft);
}

/* Suggestions de sujets */
.suggestions { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.suggestion-btn {
  text-align: left;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}
.suggestion-btn:hover { border-color: var(--sign-brown); background: rgba(107, 66, 38, 0.06); }

/* Historique */
.history-item { margin-bottom: 16px; }
.history-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.history-sujet { margin: 10px 0 12px; font-weight: 600; font-size: 16px; }
.history-text {
  margin: 0;
  white-space: pre-wrap;
  font-size: 14.5px;
  line-height: 1.6;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--paper);
}
.history-thumb { width: 120px; border-radius: var(--radius-md); border: 1px solid var(--border-soft); display: block; margin-top: 12px; }

@media (max-width: 600px) {
  .masthead-plate { flex-direction: column; align-items: flex-start; text-align: left; }
  .field-row { grid-template-columns: 1fr; }
  .composer { padding: 22px; }
}

/* Le compteur vit dans le bandeau brun : il lui faut l'encre creme, pas l'encre du papier. */
.quota-line {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(253, 248, 238, 0.92);
}

.quota-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 10px 0; }
.quota-form input[type="number"] { width: 96px; }