/* ============================================================
   بُنيان — أنماط المساعد الذكي
   ملف مستقل يُحمَّل في الموقع العام وفي بوابة العملاء معاً.
   يعرّف متغيّراته بنفسه فلا يعتمد على أي ملف آخر ولا يصطدم به.
   ============================================================ */
.ai-fab, .ai-panel {
  --ai-navy:#14304F; --ai-navy-6:#1D4470; --ai-navy-8:#10263F;
  --ai-gold:#B8862B; --ai-gold-4:#D4A94E; --ai-gold-1:#F6EDD9;
  --ai-sand:#FBFAF7; --ai-line:#E3E0D8; --ai-muted:#6B7683;
  --ai-r:22px; --ai-shadow:0 18px 56px rgba(11,27,46,.14);
}
/* ============================================================
   المساعد الذكي
   ============================================================ */
.ai-fab {
  position: fixed; inset-block-end: 22px; inset-inline-end: 22px; z-index: 60;
  display: flex; align-items: center; gap: 8px;
  padding: 13px 20px; border: none; border-radius: 999px;
  background: linear-gradient(135deg, var(--ai-navy) 0%, var(--ai-navy-6) 100%);
  color: #fff; font-family: inherit; font-size: 14.5px; font-weight: 600;
  cursor: pointer; box-shadow: var(--ai-shadow);
  transition: transform .18s cubic-bezier(.22,.61,.36,1);
}
.ai-fab:hover { transform: translateY(-3px); }
.ai-fab span[aria-hidden] { color: var(--ai-gold-4); font-size: 17px; }

.ai-panel {
  position: fixed; inset-block-end: 84px; inset-inline-end: 22px; z-index: 61;
  width: min(400px, calc(100vw - 32px)); max-height: min(620px, calc(100vh - 120px));
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--ai-line); border-radius: var(--ai-r);
  box-shadow: var(--ai-shadow); overflow: hidden;
}
.ai-panel[hidden] { display: none; }

.ai-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  padding: 16px 18px; color: #fff;
  background: linear-gradient(135deg, var(--ai-navy) 0%, var(--ai-navy-8) 100%);
}
.ai-head b { font-size: 15.5px; }
.ai-x {
  background: rgba(255,255,255,.14); border: none; color: #fff; cursor: pointer;
  width: 30px; height: 30px; border-radius: 8px; font-size: 14px; flex: 0 0 auto;
}
.ai-x:hover { background: rgba(255,255,255,.26); }

.ai-body {
  flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px;
  background: var(--ai-sand); min-height: 180px;
}
.ai-msg { max-width: 92%; padding: 12px 15px; border-radius: 14px; font-size: 14.5px; line-height: 1.85; }
.ai-msg.bot { background: #fff; border: 1px solid var(--ai-line); align-self: flex-start;
  border-start-start-radius: 4px; }
.ai-msg.me  { background: var(--ai-navy); color: #fff; align-self: flex-end;
  border-start-end-radius: 4px; }
.ai-src { margin-top: 10px; font-size: 11.5px; color: var(--ai-muted);
  border-top: 1px dashed var(--ai-line); padding-top: 7px; }
.ai-more { margin-top: 12px; }
.ai-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.ai-chip {
  font-family: inherit; font-size: 12.5px; cursor: pointer;
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--ai-line); background: var(--ai-sand); color: var(--ai-navy);
  text-align: start;
}
.ai-chip:hover { background: var(--ai-gold-1); border-color: var(--ai-gold-4); }
.ai-dots { color: var(--ai-muted); }

.ai-foot { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--ai-line); background: #fff; }
.ai-foot .inp { flex: 1; padding: 11px 13px; font-size: 14px; }
.ai-foot .btn { padding: 11px 18px; font-size: 14px; }
.ai-note { padding: 0 14px 12px; font-size: 11px; color: var(--ai-muted); background: #fff; line-height: 1.6; }

@media (max-width: 520px) {
  .ai-fab { inset-block-end: 16px; inset-inline-end: 16px; padding: 12px 16px; }
  .ai-fab-t { display: none; }
  .ai-panel { inset-block-end: 74px; inset-inline: 12px; width: auto; }
}
@media print { .ai-fab, .ai-panel { display: none !important; } }