/* OpenCacao — interface de conseil. Design épuré inspiré des assistants modernes,
   palette cacao + clin d'œil discret au drapeau ivoirien. Zéro dépendance. */

:root {
  --bg: #f7f4ef;
  --surface: #ffffff;
  --surface-2: #fbfaf7;
  --ink: #2b2620;
  --ink-soft: #6f675d;
  --cocoa: #6f4e37;
  --cocoa-dark: #533a29;
  --cocoa-tint: #f0e7df;
  --ci-orange: #f77f00;
  --ci-green: #1a9c52;
  --border: #e8e1d8;
  --shadow: 0 1px 2px rgba(43, 38, 32, 0.05), 0 8px 24px rgba(43, 38, 32, 0.06);
  --radius: 16px;
  --maxw: 820px;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Bandeau drapeau (orange / blanc / vert) */
.flag-strip {
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--ci-orange) 0 33.33%,
    #ffffff 33.33% 66.66%,
    var(--ci-green) 66.66% 100%
  );
}

/* ---------- En-tête ---------- */
.app-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand-side { display: flex; align-items: center; gap: 10px; }
.brand-side.left {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.brand-side.right { justify-content: flex-end; }

.logo-caption {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--cocoa-dark);
  text-align: center;
  white-space: nowrap;
}

.logo { height: 46px; width: auto; object-fit: contain; }
.logo-missing {
  width: 46px;
  height: 46px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.brand-center { text-align: center; }
.wordmark {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--cocoa-dark);
  margin: 0;
}
.tagline {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: var(--cocoa-tint); color: var(--cocoa-dark); }

/* ---------- Fil de discussion ---------- */
.chat {
  flex: 1;
  overflow-y: auto;
  padding: 28px 16px 8px;
}
.thread {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* Accueil */
.welcome { text-align: center; padding: 36px 8px 12px; }
.welcome-photo {
  width: 100%;
  max-width: 420px;
  height: 200px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 6px 20px rgba(60, 40, 20, 0.18);
  border: 1px solid var(--border);
  display: block;
  margin: 0 auto;
}
.welcome h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 26px;
  color: var(--cocoa-dark);
  margin: 10px 0 6px;
}
.welcome-sub {
  max-width: 560px;
  margin: 0 auto 22px;
  color: var(--ink-soft);
  font-size: 14.5px;
}
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
  font-family: inherit;
}
.chip:hover { border-color: var(--cocoa); background: var(--cocoa-tint); }
.chip:active { transform: translateY(1px); }

/* Messages */
.msg { display: flex; gap: 12px; align-items: flex-start; }
.msg.user { flex-direction: row-reverse; }

.avatar {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 15px;
  margin-top: 2px;
}
.avatar.bot { background: var(--cocoa); color: #fff; }
.avatar.me { background: var(--cocoa-tint); color: var(--cocoa-dark); }

.bubble {
  max-width: 80%;
  padding: 14px 16px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.msg.bot .bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top-left-radius: 4px;
}
.msg.user .bubble {
  background: var(--cocoa);
  color: #fff;
  border-top-right-radius: 4px;
}
.bubble p { margin: 0 0 8px; }
.bubble p:last-child { margin-bottom: 0; }
.bubble strong { font-weight: 700; }
.bubble ul { margin: 6px 0; padding-left: 20px; }

/* Pied de réponse : sources, confiance, ANADER, disclaimer */
.meta { margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--border); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tag {
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--ink-soft);
}
.tag.source { border-color: var(--cocoa-tint); color: var(--cocoa-dark); }
.tag.anader { background: #eef7f0; border-color: #cfe9d6; color: #1a7a3f; }
.conf { font-size: 11.5px; color: var(--ink-soft); }
.conf b.elevee { color: var(--ci-green); }
.conf b.moyenne { color: var(--ci-orange); }
.conf b.faible { color: #b23b3b; }
.disclaimer {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--ink-soft);
  font-style: italic;
}

/* Indicateur de saisie */
.typing { display: inline-flex; gap: 5px; padding: 4px 2px; }
.typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cocoa);
  opacity: 0.5;
  animation: blink 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 0.9; } }

.error-note {
  font-size: 13px;
  color: #b23b3b;
  background: #fbecec;
  border: 1px solid #f2cccc;
  border-radius: 10px;
  padding: 8px 12px;
}

/* ---------- Zone de saisie ---------- */
.composer-wrap {
  position: sticky;
  bottom: 0;
  padding: 10px 16px 16px;
  background: linear-gradient(180deg, rgba(247, 244, 239, 0) 0%, var(--bg) 30%);
}
.composer {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 8px 8px 16px;
  box-shadow: var(--shadow);
}
.composer:focus-within { border-color: var(--cocoa); }
#input {
  flex: 1;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  font-family: inherit;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ink);
  max-height: 180px;
  padding: 6px 0;
}
.send-btn {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 11px;
  background: var(--cocoa);
  color: #fff;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.15s, opacity 0.15s;
}
.send-btn:hover:not(:disabled) { background: var(--cocoa-dark); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.composer-note {
  max-width: var(--maxw);
  margin: 8px auto 0;
  text-align: center;
  font-size: 11.5px;
  color: var(--ink-soft);
}

/* ---------- Modale ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 38, 32, 0.4);
  display: grid;
  place-items: center;
  z-index: 50;
}
.modal-overlay[hidden] { display: none; }
.modal {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  width: min(440px, 92vw);
  box-shadow: var(--shadow);
}
.modal h3 { margin: 0 0 14px; font-family: var(--serif); color: var(--cocoa-dark); }
.modal label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.modal input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
}
.modal-hint { font-size: 12px; color: var(--ink-soft); margin: 10px 0 16px; }
.modal-hint code {
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 11.5px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }
.btn-ghost, .btn-primary {
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  border: 1px solid var(--border);
}
.btn-ghost { background: var(--surface); color: var(--ink); }
.btn-primary { background: var(--cocoa); color: #fff; border-color: var(--cocoa); }
.btn-primary:hover { background: var(--cocoa-dark); }

/* Retour utilisateur 👍/👎 sous chaque réponse. */
.feedback {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted, #6b6b6b);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.fb-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 8px;
  padding: 2px 8px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.4;
}
.fb-btn:hover:not(:disabled) { background: var(--surface-2); }
.fb-btn:disabled { cursor: default; opacity: 0.5; }
.fb-btn.choisi { opacity: 1; border-color: var(--cocoa); background: var(--surface-2); }
.fb-merci { color: var(--cocoa); font-weight: 600; }

/* Réponse en streaming : texte brut pendant la frappe + curseur clignotant. */
.stream-corps.curseur { white-space: pre-wrap; }
.stream-corps.curseur::after {
  content: "▋";
  display: inline-block;
  margin-left: 2px;
  color: var(--cocoa);
  animation: clignote 1s steps(2, start) infinite;
}
@keyframes clignote { to { visibility: hidden; } }

@media (max-width: 600px) {
  .logo { height: 36px; }
  .logo-caption { font-size: 9px; }
  .wordmark { font-size: 20px; }
  .tagline { display: none; }
  .bubble { max-width: 88%; }
}