/* ═══════════════════════════════════════════════════════════════════
   VEREX AI Jewelry Assistant — estilos
   Identidad VEREX: negro, blanco, gris oscuro; Cormorant Garamond (títulos)
   + Montserrat (interfaz), las mismas fuentes de la tienda.
   Todo va con prefijo .vxai- para no tocar el diseño existente.
   ═══════════════════════════════════════════════════════════════════ */
.vxai-root {
  --vx-black: #0f0f10;
  --vx-ink: #1b1b1d;
  --vx-gray-9: #2a2a2d;
  --vx-gray-7: #55555a;
  --vx-gray-5: #8a8a90;
  --vx-gray-3: #d9d9dc;
  --vx-gray-2: #ececee;
  --vx-gray-1: #f6f6f7;
  --vx-white: #ffffff;
  --vx-ok: #2f7d4f;
  --vx-off: #9a3b34;
  --vx-radius: 16px;
  --vx-radius-sm: 10px;
  --vx-shadow: 0 24px 60px -18px rgba(15, 15, 16, .35), 0 8px 24px -12px rgba(15, 15, 16, .18);
  --vx-font: "Montserrat", "Segoe UI", system-ui, -apple-system, sans-serif;
  --vx-serif: "Cormorant Garamond", Georgia, serif;
  --vx-ease: cubic-bezier(.2, .7, .2, 1);
  font-family: var(--vx-font);
  color: var(--vx-ink);
  -webkit-font-smoothing: antialiased;
}
.vxai-root *, .vxai-root *::before, .vxai-root *::after { box-sizing: border-box; }
.vxai-root button { font-family: inherit; }
.vxai-root :focus-visible { outline: 2px solid var(--vx-black); outline-offset: 2px; }
.vxai-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.vxai-ico { display: inline-flex; width: 18px; height: 18px; flex: none; }
.vxai-ico svg { width: 100%; height: 100%; }

/* ── Botón flotante ─────────────────────────────────────────────── */
.vxai-launcher {
  position: fixed; right: 20px; bottom: 20px; z-index: 250;
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 20px 0 16px;
  background: var(--vx-black); color: var(--vx-white);
  border: 1px solid rgba(255, 255, 255, .12); border-radius: 999px;
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .45);
  font-size: 12px; font-weight: 700; letter-spacing: 2.2px;
  cursor: pointer;
  opacity: 0; transform: translateY(12px);
  transition: opacity .4s var(--vx-ease), transform .4s var(--vx-ease), background .2s, box-shadow .2s;
}
.vxai-launcher.is-in { opacity: 1; transform: none; }
.vxai-launcher:hover { background: var(--vx-gray-9); box-shadow: 0 16px 36px -12px rgba(0, 0, 0, .5); }
.vxai-launcher.is-hidden { opacity: 0; pointer-events: none; transform: translateY(12px); }
.vxai-launcher:focus-visible { outline: 2px solid var(--vx-white); box-shadow: 0 0 0 4px var(--vx-black); }
.vxai-launch-ico { width: 20px; height: 20px; }
.vxai-launcher.is-active { opacity: 0; pointer-events: none; }
@media (max-width: 600px) {
  .vxai-launcher { right: 14px; bottom: 14px; height: 50px; padding: 0 16px 0 14px; font-size: 11px; }
  .vxai-launcher.is-active { opacity: 0; pointer-events: none; }
}

/* ── Panel ──────────────────────────────────────────────────────── */
.vxai-panel {
  position: fixed; right: 20px; bottom: 20px; z-index: 260;
  width: 392px; height: min(660px, calc(100vh - 40px)); height: min(660px, calc(100dvh - 40px));
  display: flex; flex-direction: column;
  background: var(--vx-white);
  border: 1px solid var(--vx-gray-2); border-radius: var(--vx-radius);
  box-shadow: var(--vx-shadow);
  overflow: hidden;
  opacity: 0; transform: translateY(16px) scale(.985); transform-origin: bottom right;
  transition: opacity .22s var(--vx-ease), transform .26s var(--vx-ease);
}
.vxai-panel[hidden] { display: none; }
.vxai-panel.is-open { opacity: 1; transform: none; }
@media (max-width: 600px) {
  .vxai-panel { inset: 0; width: 100%; height: 100%; border-radius: 0; border: 0; transform: translateY(24px); }
  html.vxai-lock, html.vxai-lock body { overflow: hidden !important; }
}
@media (min-width: 601px) and (max-width: 1024px) {
  .vxai-panel { width: 400px; height: min(640px, calc(100vh - 32px)); right: 16px; bottom: 16px; }
}

/* Cabecera */
.vxai-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 14px 14px 18px;
  background: var(--vx-black); color: var(--vx-white);
  padding-top: max(14px, env(safe-area-inset-top));
}
.vxai-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.vxai-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; flex: none;
  border: 1px solid rgba(255, 255, 255, .22);
  background: linear-gradient(145deg, #2c2c30, #111);
}
.vxai-avatar .vxai-ico { width: 18px; height: 18px; }
.vxai-title { margin: 0; font-family: var(--vx-serif); font-weight: 600; font-size: 22px; letter-spacing: 1.5px; line-height: 1; color: var(--vx-white); }
.vxai-spark { font-size: 15px; }
.vxai-by { font-family: var(--vx-font); font-size: 10px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: #b9b9bf; margin-left: 2px; vertical-align: middle; }
.vxai-sub { margin: 5px 0 0; display: flex; align-items: center; gap: 6px; font-size: 10.5px; letter-spacing: .6px; color: #b9b9bf; text-transform: uppercase; }
.vxai-dot { width: 6px; height: 6px; border-radius: 50%; background: #6fcf97; box-shadow: 0 0 0 3px rgba(111, 207, 151, .18); }
.vxai-head-actions { display: flex; gap: 4px; }
.vxai-icon-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 0; background: transparent; color: #d4d4d8;
  display: grid; place-items: center; cursor: pointer; transition: background .15s, color .15s;
}
.vxai-icon-btn:hover { background: rgba(255, 255, 255, .1); color: var(--vx-white); }
.vxai-icon-btn:focus-visible { outline: 2px solid var(--vx-white); outline-offset: 0; }

/* Conversación */
.vxai-log {
  flex: 1; overflow-y: auto; overscroll-behavior: contain;
  padding: 18px 16px 8px; display: flex; flex-direction: column; gap: 12px;
  background: linear-gradient(180deg, #fbfbfb 0%, #fff 140px);
  scroll-behavior: smooth;
}
.vxai-log:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--vx-gray-3); }
.vxai-msg { display: flex; flex-direction: column; gap: 10px; max-width: 100%; }
.vxai-msg.is-new { animation: vxai-in .32s var(--vx-ease) both; }
@keyframes vxai-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.vxai-bubble {
  max-width: 86%; padding: 11px 14px; border-radius: 14px;
  font-size: 13.5px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere;
}
.is-bot > .vxai-bubble { align-self: flex-start; background: var(--vx-gray-1); border: 1px solid var(--vx-gray-2); border-top-left-radius: 4px; color: var(--vx-ink); }
.is-user { align-items: flex-end; }
.is-user > .vxai-bubble { background: var(--vx-black); color: var(--vx-white); border-top-right-radius: 4px; }
.is-notice { align-items: center; flex-direction: row; justify-content: center; gap: 8px; flex-wrap: wrap; }
.is-notice > .vxai-bubble { max-width: 100%; padding: 6px 12px; font-size: 12px; background: transparent; color: var(--vx-gray-7); border: 1px dashed var(--vx-gray-3); border-radius: 999px; }
.is-error > .vxai-bubble { border-color: #e9c9c5; background: #fbf3f2; }
.vxai-welcome > .vxai-bubble { font-size: 14px; }

/* Typing */
.vxai-typing { display: inline-flex; gap: 5px; align-items: center; padding: 14px 16px; }
.vxai-typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--vx-gray-5); animation: vxai-dot 1.2s infinite ease-in-out; }
.vxai-typing i:nth-child(2) { animation-delay: .15s; }
.vxai-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes vxai-dot { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* Chips / acciones rápidas */
.vxai-quick { display: flex; flex-wrap: wrap; gap: 7px; }
.vxai-quick-main { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.vxai-chip {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 36px; padding: 8px 13px;
  background: var(--vx-white); color: var(--vx-ink);
  border: 1px solid var(--vx-gray-3); border-radius: 999px;
  font-size: 12.5px; font-weight: 600; text-align: left; cursor: pointer;
  transition: border-color .15s, background .15s, transform .15s;
}
.vxai-quick-main .vxai-chip { border-radius: 12px; padding: 10px 12px; }
.vxai-chip:hover { border-color: var(--vx-black); background: var(--vx-gray-1); }
.vxai-chip:active { transform: scale(.98); }

/* Botones */
.vxai-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 36px; padding: 8px 12px; border-radius: 10px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .4px; text-decoration: none; text-align: center;
  cursor: pointer; transition: background .15s, color .15s, border-color .15s, opacity .15s;
}
.vxai-btn-solid { background: var(--vx-black); color: var(--vx-white); border: 1px solid var(--vx-black); }
.vxai-btn-solid:hover { background: var(--vx-gray-9); }
.vxai-btn-solid:disabled { opacity: .35; cursor: not-allowed; }
.vxai-btn-solid.is-done { background: var(--vx-ok); border-color: var(--vx-ok); }
.vxai-btn-ghost { background: var(--vx-white); color: var(--vx-ink); border: 1px solid var(--vx-gray-3); }
.vxai-btn-ghost:hover { border-color: var(--vx-black); }
.vxai-btn-sm { min-height: 32px; padding: 6px 12px; align-self: flex-start; }
.vxai-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 0; border: 0; background: none;
  color: var(--vx-ink); font-size: 12px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}

/* ── Tarjetas de producto ───────────────────────────────────────── */
.vxai-cards {
  display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 8px; margin: 0 -2px;
  scroll-snap-type: x mandatory; scrollbar-width: thin;
}
.vxai-card {
  flex: 0 0 196px; scroll-snap-align: start;
  display: flex; flex-direction: column;
  background: var(--vx-white); border: 1px solid var(--vx-gray-2); border-radius: 14px; overflow: hidden;
  box-shadow: 0 6px 18px -14px rgba(0, 0, 0, .35);
  transition: box-shadow .2s, transform .2s;
}
.vxai-card:hover { box-shadow: 0 12px 26px -16px rgba(0, 0, 0, .45); }
.vxai-cards:has(.vxai-card:only-child) .vxai-card { flex-basis: 236px; }
.vxai-card-media { position: relative; aspect-ratio: 1 / 1; background: var(--vx-gray-1); }
.vxai-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vxai-card-ph { width: 100%; height: 100%; display: grid; place-items: center; font-family: var(--vx-serif); font-size: 44px; color: var(--vx-gray-3); letter-spacing: 2px; }
.vxai-demo { position: absolute; top: 8px; left: 8px; padding: 3px 7px; border-radius: 6px; background: #fff3cd; color: #6b5200; font-size: 9.5px; font-weight: 800; letter-spacing: 1px; }
.vxai-card-body { display: flex; flex-direction: column; gap: 6px; padding: 11px 11px 12px; flex: 1; }
.vxai-card-name { margin: 0; font-size: 12.5px; font-weight: 700; line-height: 1.35; color: var(--vx-ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.7em; }
.vxai-card-mat { margin: 0; font-size: 10.5px; color: var(--vx-gray-7); letter-spacing: .2px; }
.vxai-card-row { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.vxai-price { font-family: var(--vx-serif); font-size: 19px; font-weight: 600; color: var(--vx-black); }
.vxai-avail { display: inline-flex; align-items: center; gap: 5px; font-size: 10px; font-weight: 700; letter-spacing: .3px; text-transform: uppercase; }
.vxai-avail::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.vxai-avail.is-on { color: var(--vx-ok); }
.vxai-avail.is-off { color: var(--vx-off); }
.vxai-sizes { display: flex; flex-wrap: wrap; gap: 4px; }
.vxai-size {
  min-width: 30px; height: 28px; padding: 0 6px; border-radius: 7px;
  border: 1px solid var(--vx-gray-3); background: var(--vx-white); color: var(--vx-ink);
  font-size: 11px; font-weight: 700; cursor: pointer;
}
.vxai-size:hover:not(:disabled) { border-color: var(--vx-black); }
.vxai-size.is-sel { background: var(--vx-black); border-color: var(--vx-black); color: var(--vx-white); }
.vxai-size.is-off { color: #b4b4b8; text-decoration: line-through; cursor: not-allowed; background: var(--vx-gray-1); }
.vxai-card-note { margin: 0; font-size: 10.5px; color: var(--vx-gray-7); }
.vxai-card-actions { display: grid; gap: 6px; margin-top: auto; padding-top: 4px; }

/* ── Talla de anillo ───────────────────────────────────────────── */
.vxai-ring, .vxai-handoff {
  display: flex; flex-direction: column; gap: 10px;
  max-width: 100%; padding: 14px; border: 1px solid var(--vx-gray-2); border-radius: 14px; background: var(--vx-white);
}
.vxai-ring-head { display: flex; align-items: center; gap: 8px; }
.vxai-ring h4, .vxai-handoff h4 { margin: 0; font-family: var(--vx-serif); font-size: 18px; font-weight: 600; letter-spacing: .5px; }
.vxai-ring-intro { margin: 0; font-size: 12px; color: var(--vx-gray-7); }
.vxai-segs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 3px; background: var(--vx-gray-1); border-radius: 10px; }
.vxai-seg { border: 0; background: transparent; padding: 7px 6px; border-radius: 8px; font-size: 11px; font-weight: 700; color: var(--vx-gray-7); cursor: pointer; }
.vxai-seg.is-sel { background: var(--vx-white); color: var(--vx-ink); box-shadow: 0 1px 4px rgba(0, 0, 0, .12); }
.vxai-ring-row { display: flex; align-items: center; gap: 8px; }
.vxai-input-num { width: 88px; height: 36px; padding: 0 10px; border: 1px solid var(--vx-gray-3); border-radius: 10px; font: inherit; font-size: 14px; }
.vxai-input-num:focus { border-color: var(--vx-black); outline: none; }
.vxai-unit { font-size: 12px; color: var(--vx-gray-7); margin-right: auto; }
.vxai-ring-result:empty { display: none; }
.vxai-ring-result { display: flex; flex-direction: column; gap: 8px; padding: 10px 12px; background: var(--vx-gray-1); border-radius: 10px; }
.vxai-ring-size { margin: 0; font-size: 13px; font-weight: 700; }
.vxai-ring-tip, .vxai-ring-err { margin: 0; font-size: 12px; }
.vxai-ring-err { color: var(--vx-off); }
.vxai-ring-note { margin: 0; font-size: 11px; line-height: 1.5; color: var(--vx-gray-7); }

/* Soporte humano */
.vxai-req-what { margin: 0; padding: 8px 10px; background: var(--vx-gray-1); border-radius: 8px; font-size: 12px; color: var(--vx-gray-7); }
.vxai-req-what strong { color: var(--vx-ink); font-weight: 700; }
.vxai-ch-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.vxai-ch { justify-content: flex-start; }

/* ── Pie: campo de texto ───────────────────────────────────────── */
.vxai-foot { padding: 10px 12px 10px; border-top: 1px solid var(--vx-gray-2); background: var(--vx-white); padding-bottom: max(10px, env(safe-area-inset-bottom)); }
.vxai-form { display: flex; align-items: flex-end; gap: 8px; padding: 6px 6px 6px 14px; border: 1px solid var(--vx-gray-3); border-radius: 14px; transition: border-color .15s, box-shadow .15s; }
.vxai-form:focus-within { border-color: var(--vx-black); box-shadow: 0 0 0 3px rgba(15, 15, 16, .06); }
.vxai-input {
  flex: 1; border: 0; outline: none; resize: none; background: transparent;
  font: inherit; font-size: 16px; line-height: 1.45; max-height: 120px; padding: 6px 0; color: var(--vx-ink);
}
@media (min-width: 601px) { .vxai-input { font-size: 14px; } }
.vxai-root .vxai-input:focus, .vxai-root .vxai-input:focus-visible { outline: none; }
.vxai-input::placeholder { color: var(--vx-gray-5); }
.vxai-send {
  width: 38px; height: 38px; border-radius: 11px; border: 0; flex: none;
  background: var(--vx-black); color: var(--vx-white); display: grid; place-items: center; cursor: pointer;
  transition: background .15s, opacity .15s;
}
.vxai-send:hover { background: var(--vx-gray-9); }
.vxai-send:disabled { opacity: .4; cursor: progress; }
.vxai-send:focus-visible { outline: 2px solid var(--vx-black); outline-offset: 2px; }
.vxai-discl { margin: 7px 2px 0; font-size: 10px; color: var(--vx-gray-5); text-align: center; letter-spacing: .2px; }

@media (prefers-reduced-motion: reduce) {
  .vxai-root *, .vxai-root *::before, .vxai-root *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print { .vxai-root { display: none !important; } }