/* =====================================================================
   Suite d'Assistants Virtuels IA — Couvreur & Zingueur
   Version : v9-premium  (Savaremus Marketing)
   Feuille de style premium, 100% namespacee (prefixe .cas-).
   Aucune pollution du CSS global du site hote.
   ===================================================================== */

.cas-root {
  --cas-bg: #ffffff;
  --cas-ink: #16202e;
  --cas-ink-soft: #5b6b80;
  --cas-line: #e4eaf1;
  --cas-line-strong: #cfd9e4;
  --cas-brand: #1d4ed8;
  --cas-brand-ink: #173fb0;
  --cas-brand-soft: #eef3ff;
  --cas-accent: #0f766e;
  --cas-urgent: #d2392b;
  --cas-urgent-soft: #fdecec;
  --cas-warn: #b45309;
  --cas-warn-soft: #fdf3e6;
  --cas-ok: #15803d;
  --cas-ok-soft: #ecf7ef;
  --cas-shadow: 0 18px 50px -12px rgba(16, 32, 56, .35);
  --cas-shadow-soft: 0 6px 18px -8px rgba(16, 32, 56, .25);
  --cas-radius: 18px;
  --cas-radius-sm: 12px;
  --cas-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 2147483000;
  font-family: var(--cas-font);
  color: var(--cas-ink);
  -webkit-font-smoothing: antialiased;
  text-align: left;
  box-sizing: border-box;
}
.cas-root *,
.cas-root *::before,
.cas-root *::after { box-sizing: border-box; }

/* ---------- Launcher flottant ---------- */
.cas-launcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px 13px 16px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cas-brand) 0%, #2563eb 55%, #0ea5e9 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
  box-shadow: var(--cas-shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.cas-launcher:hover { transform: translateY(-2px); box-shadow: 0 22px 56px -12px rgba(16,32,56,.45); }
.cas-launcher:active { transform: translateY(0); }
.cas-launcher__dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,.25);
}
.cas-launcher__icon {
  display: inline-flex; width: 22px; height: 22px;
  align-items: center; justify-content: center;
}
.cas-launcher__label { white-space: nowrap; }
.cas-root[data-cas-open="true"] .cas-launcher { display: none; }

/* ---------- Panneau ---------- */
.cas-panel {
  display: none;
  flex-direction: column;
  width: 392px;
  max-width: calc(100vw - 28px);
  height: 642px;
  max-height: calc(100vh - 36px);
  background: var(--cas-bg);
  border: 1px solid var(--cas-line);
  border-radius: var(--cas-radius);
  box-shadow: var(--cas-shadow);
  overflow: hidden;
  animation: cas-pop .22s cubic-bezier(.2,.8,.2,1);
}
.cas-root[data-cas-open="true"] .cas-panel { display: flex; }
@keyframes cas-pop {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- En-tete ---------- */
.cas-head {
  position: relative;
  padding: 16px 16px 15px;
  color: #fff;
  background: radial-gradient(120% 140% at 0% 0%, #2563eb 0%, #1d4ed8 45%, #102a6b 100%);
}
.cas-head__row { display: flex; align-items: center; gap: 11px; }
.cas-head__badge {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,.16);
  display: inline-flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.cas-head__titles { min-width: 0; flex: 1; }
.cas-head__title { margin: 0; font-size: 15.5px; font-weight: 700; line-height: 1.2; }
.cas-head__sub { margin: 2px 0 0; font-size: 12px; opacity: .82; line-height: 1.3; }
.cas-head__actions { display: flex; gap: 4px; }
.cas-iconbtn {
  width: 30px; height: 30px; border: 0; border-radius: 9px;
  background: rgba(255,255,255,.12); color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 17px; line-height: 1; transition: background .15s ease;
}
.cas-iconbtn:hover { background: rgba(255,255,255,.24); }

.cas-trust { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.cas-trust__item {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600;
  padding: 4px 9px; border-radius: 999px;
  background: rgba(255,255,255,.14); color: #eaf1ff;
}

/* ---------- Barre de progression ---------- */
.cas-progress { height: 3px; background: var(--cas-line); }
.cas-progress__bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cas-brand), #0ea5e9);
  transition: width .35s ease;
}

/* ---------- Zone defilante ---------- */
.cas-body {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 16px 14px 8px;
  background: #f7f9fc;
  scroll-behavior: smooth;
}
.cas-body::-webkit-scrollbar { width: 8px; }
.cas-body::-webkit-scrollbar-thumb { background: #cdd7e3; border-radius: 8px; }

/* ---------- Ecran d'accueil / selecteur de modes ---------- */
.cas-hero { margin-bottom: 14px; }
.cas-hero__title { margin: 2px 0 4px; font-size: 18px; font-weight: 750; line-height: 1.22; }
.cas-hero__text { margin: 0; font-size: 13px; color: var(--cas-ink-soft); line-height: 1.5; }

.cas-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.cas-mode {
  text-align: left; cursor: pointer;
  padding: 12px 12px 11px; border-radius: var(--cas-radius-sm);
  border: 1px solid var(--cas-line); background: #fff;
  transition: border-color .15s ease, transform .12s ease, box-shadow .15s ease;
  display: flex; flex-direction: column; gap: 7px;
}
.cas-mode:hover { border-color: var(--cas-brand); transform: translateY(-2px); box-shadow: var(--cas-shadow-soft); }
.cas-mode__top { display: flex; align-items: center; justify-content: space-between; }
.cas-mode__ico {
  width: 32px; height: 32px; border-radius: 9px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--cas-brand-soft); color: var(--cas-brand-ink); font-size: 17px;
}
.cas-chip {
  font-size: 9.5px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  padding: 3px 7px; border-radius: 999px;
  background: var(--cas-brand-soft); color: var(--cas-brand-ink);
}
.cas-chip--urgent { background: var(--cas-urgent-soft); color: var(--cas-urgent); }
.cas-chip--devis  { background: #eef6ff; color: #1359c4; }
.cas-chip--diag   { background: #f3eefe; color: #6d28d9; }
.cas-chip--entretien { background: var(--cas-ok-soft); color: var(--cas-ok); }
.cas-chip--zinc   { background: #e9f6f4; color: var(--cas-accent); }
.cas-chip--demo   { background: #fff6e6; color: var(--cas-warn); }
.cas-mode__name { font-size: 13.5px; font-weight: 700; line-height: 1.2; }
.cas-mode__desc { font-size: 11.5px; color: var(--cas-ink-soft); line-height: 1.4; }

.cas-mode--wide { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 11px; }
.cas-mode--wide .cas-mode__ico { flex: 0 0 auto; }
.cas-mode--wide .cas-mode__body { flex: 1; min-width: 0; }

/* ---------- Conversation ---------- */
.cas-thread { display: flex; flex-direction: column; gap: 10px; }
.cas-msg { display: flex; gap: 9px; max-width: 100%; animation: cas-fade .25s ease; }
@keyframes cas-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.cas-msg__av {
  flex: 0 0 auto; width: 28px; height: 28px; border-radius: 8px;
  background: var(--cas-brand-soft); color: var(--cas-brand-ink);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14px;
  margin-top: 2px;
}
.cas-msg__bubble {
  padding: 10px 13px; border-radius: 13px; font-size: 13px; line-height: 1.5;
  background: #fff; border: 1px solid var(--cas-line);
  box-shadow: 0 1px 2px rgba(16,32,56,.04);
}
.cas-msg__bubble p { margin: 0 0 6px; }
.cas-msg__bubble p:last-child { margin: 0; }
.cas-msg__bubble strong { color: var(--cas-ink); }
.cas-msg--bot .cas-msg__bubble { border-top-left-radius: 4px; }
.cas-msg--user { flex-direction: row-reverse; }
.cas-msg--user .cas-msg__av { background: #102a6b; color: #fff; }
.cas-msg--user .cas-msg__bubble {
  background: var(--cas-brand); color: #fff; border-color: var(--cas-brand);
  border-top-right-radius: 4px;
}

.cas-typing { display: inline-flex; gap: 4px; padding: 4px 2px; }
.cas-typing span {
  width: 6px; height: 6px; border-radius: 50%; background: #9fb0c6;
  animation: cas-blink 1.1s infinite ease-in-out;
}
.cas-typing span:nth-child(2) { animation-delay: .18s; }
.cas-typing span:nth-child(3) { animation-delay: .36s; }
@keyframes cas-blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }

/* note d'analyse / resume IA */
.cas-note {
  margin-top: 2px; padding: 11px 13px; border-radius: 13px;
  background: var(--cas-brand-soft); border: 1px solid #d7e3fb;
  font-size: 12.5px; line-height: 1.5; color: #1b2c4f;
}
.cas-note__head {
  display: flex; align-items: center; gap: 6px; font-weight: 750;
  font-size: 11px; text-transform: uppercase; letter-spacing: .03em;
  color: var(--cas-brand-ink); margin-bottom: 6px;
}
.cas-note dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; }
.cas-note dt { color: var(--cas-ink-soft); font-weight: 600; }
.cas-note dd { margin: 0; font-weight: 650; }

.cas-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px;
}
.cas-badge--urgent { background: var(--cas-urgent-soft); color: var(--cas-urgent); }
.cas-badge--high   { background: var(--cas-warn-soft); color: var(--cas-warn); }
.cas-badge--normal { background: var(--cas-ok-soft); color: var(--cas-ok); }

/* ---------- Zone d'interaction (footer) ---------- */
.cas-foot { border-top: 1px solid var(--cas-line); background: #fff; padding: 11px 13px 13px; }
.cas-prompt { font-size: 12px; color: var(--cas-ink-soft); margin: 0 0 8px; font-weight: 600; }

.cas-quick { display: flex; flex-wrap: wrap; gap: 7px; }
.cas-quick__btn {
  border: 1px solid var(--cas-line-strong); background: #fff; color: var(--cas-brand-ink);
  font-size: 12.5px; font-weight: 600; padding: 8px 13px; border-radius: 999px;
  cursor: pointer; transition: background .14s ease, border-color .14s ease, transform .1s ease;
}
.cas-quick__btn:hover { background: var(--cas-brand-soft); border-color: var(--cas-brand); }
.cas-quick__btn:active { transform: scale(.97); }

.cas-field { display: flex; flex-direction: column; gap: 8px; }
.cas-inputrow { display: flex; gap: 8px; }
.cas-input, .cas-textarea, .cas-select {
  width: 100%; font-family: inherit; font-size: 13.5px; color: var(--cas-ink);
  padding: 11px 12px; border: 1px solid var(--cas-line-strong); border-radius: 11px;
  background: #fff; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.cas-textarea { resize: vertical; min-height: 64px; }
.cas-input:focus, .cas-textarea:focus, .cas-select:focus {
  border-color: var(--cas-brand); box-shadow: 0 0 0 3px rgba(29,78,216,.14);
}
.cas-input--error { border-color: var(--cas-urgent); box-shadow: 0 0 0 3px rgba(210,57,43,.12); }

.cas-send {
  flex: 0 0 auto; border: 0; border-radius: 11px; cursor: pointer;
  background: var(--cas-brand); color: #fff; font-weight: 700; font-size: 13.5px;
  padding: 0 16px; min-width: 52px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .15s ease;
}
.cas-send:hover { background: var(--cas-brand-ink); }
.cas-btn-block {
  width: 100%; border: 0; border-radius: 12px; cursor: pointer;
  background: var(--cas-brand); color: #fff; font-weight: 700; font-size: 14px;
  padding: 13px 16px; transition: background .15s ease;
}
.cas-btn-block:hover { background: var(--cas-brand-ink); }
.cas-btn-block:disabled { opacity: .55; cursor: not-allowed; }
.cas-btn-ghost {
  width: 100%; border: 1px solid var(--cas-line-strong); border-radius: 12px; cursor: pointer;
  background: #fff; color: var(--cas-ink-soft); font-weight: 650; font-size: 13px;
  padding: 11px 16px; margin-top: 8px; transition: background .15s ease;
}
.cas-btn-ghost:hover { background: #f4f7fb; }

/* consentement */
.cas-consent {
  display: flex; gap: 9px; align-items: flex-start;
  font-size: 11.5px; color: var(--cas-ink-soft); line-height: 1.45;
  padding: 10px 11px; border: 1px solid var(--cas-line); border-radius: 11px; background: #f7f9fc;
}
.cas-consent input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--cas-brand); flex: 0 0 auto; }
.cas-consent a { color: var(--cas-brand-ink); }

.cas-err {
  display: none; margin: 0 0 8px; padding: 9px 11px; border-radius: 10px;
  background: var(--cas-urgent-soft); color: var(--cas-urgent);
  font-size: 12px; font-weight: 600; line-height: 1.4;
}
.cas-err--on { display: block; }

/* honeypot — invisible et hors flux */
.cas-hp {
  position: absolute !important; left: -9999px !important; top: auto !important;
  width: 1px !important; height: 1px !important; overflow: hidden !important;
  opacity: 0 !important; pointer-events: none !important;
}

/* ---------- Ecran de confirmation ---------- */
.cas-done { text-align: center; padding: 22px 16px 8px; animation: cas-fade .3s ease; }
.cas-done__ico {
  width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--cas-ok-soft); color: var(--cas-ok);
  display: inline-flex; align-items: center; justify-content: center; font-size: 28px;
}
.cas-done__ico--warn { background: var(--cas-warn-soft); color: var(--cas-warn); }
.cas-done__title { margin: 0 0 8px; font-size: 17px; font-weight: 750; }
.cas-done__text { margin: 0 auto; max-width: 300px; font-size: 13px; color: var(--cas-ink-soft); line-height: 1.55; }
.cas-recap {
  text-align: left; margin: 16px 0 0; padding: 13px;
  border: 1px solid var(--cas-line); border-radius: 12px; background: #fff;
}
.cas-recap dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 5px 10px; font-size: 12.5px; }
.cas-recap dt { color: var(--cas-ink-soft); font-weight: 600; }
.cas-recap dd { margin: 0; font-weight: 650; }

/* ---------- Pied institutionnel ---------- */
.cas-credit {
  text-align: center; font-size: 10.5px; color: #9aa8bb;
  padding: 8px 10px 11px; background: #fff; border-top: 1px solid var(--cas-line);
}
.cas-credit b { color: var(--cas-ink-soft); font-weight: 700; }

/* ---------- Responsive / mobile-first ---------- */
@media (max-width: 480px) {
  .cas-root { right: 0; bottom: 0; left: 0; }
  .cas-launcher { position: fixed; right: 14px; bottom: 14px; }
  .cas-panel {
    width: 100vw; max-width: 100vw; height: 100vh; max-height: 100vh;
    border-radius: 0; border: 0;
  }
  .cas-modes { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .cas-root *, .cas-panel { animation: none !important; transition: none !important; }
}