/* Chat de ventas Fenk. Todo bajo .fkc para no chocar con la página. */

.fkc {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: var(--z-chat);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--s3);
  isolation: isolate;
  font-family: var(--font);
}

.fkc-ico { display: inline-flex; width: 20px; height: 20px; }
.fkc-ico svg { width: 100%; height: 100%; }

/* ---------------- lanzador ---------------- */

.fkc-launcher {
  display: flex;
  align-items: center;
  gap: var(--s3);
  min-height: 56px;
  padding: 8px 20px 8px 8px;
  border: 0;
  border-radius: 999px;
  background: var(--carbon);
  color: var(--on-dark);
  box-shadow: var(--float);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--fast) ease, transform var(--fast) var(--ease-out);
}
.fkc-launcher:hover { background: var(--carbon-3); }
.fkc-launcher:active { transform: scale(0.98); }
.fkc-launch-ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--fenk-red);
  color: #fff;
}
.fkc-launch-text { display: grid; line-height: 1.25; }
.fkc-launch-text strong { font-size: var(--t-sm); font-weight: 700; }
.fkc-launch-sub {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--t-xs);
  color: var(--on-dark-2);
}
.fkc-launch-sub .dot-live { width: 7px; height: 7px; }

/* ---------------- panel ---------------- */

.fkc-panel {
  width: min(400px, calc(100vw - 32px));
  height: min(660px, calc(100vh - 110px));
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-radius: var(--r-lg);
  box-shadow: var(--float-lg);
  overflow: hidden;
  transform-origin: bottom right;
  animation: fkc-in var(--base) var(--ease-out);
}
.fkc-panel[hidden] { display: none; }
@keyframes fkc-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.fkc-head {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: 14px 12px 14px 16px;
  background: var(--carbon);
  color: var(--on-dark);
}
.fkc-head-text { display: grid; flex: 1; line-height: 1.3; }
.fkc-head-text strong { font-size: var(--t-sm); }
.fkc-head-text span { font-size: var(--t-xs); color: var(--on-dark-2); }

.fkc-x {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--on-dark-2);
  cursor: pointer;
  transition: background-color var(--fast) ease, color var(--fast) ease;
}
.fkc-x:hover { background: var(--carbon-3); color: var(--on-dark); }

.fkc-avatars { display: flex; }
.fkc-avatars .fkc-av + .fkc-av { margin-left: -8px; }
.fkc-av {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--av, var(--carbon-3));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 2px var(--carbon);
  flex: none;
}
.fkc-av-ai { background: var(--shop-orange); }
.fkc-av-ai .fkc-ico { width: 16px; height: 16px; }
.fkc-av-sm { width: 26px; height: 26px; font-size: 10px; box-shadow: none; margin-top: 18px; }

/* barra de demo: permite mostrar los dos comportamientos al cliente */
.fkc-demo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  padding: 6px 12px;
  background: var(--steel);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-3);
}
.fkc-demo-btn {
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--r-sm);
  padding: 2px 8px;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  transition: background-color var(--fast) ease, border-color var(--fast) ease;
}
.fkc-demo-btn:hover { background: var(--plate); }
.fkc-demo-btn[aria-pressed="true"] { background: var(--plate); border-color: var(--line); color: var(--ink); font-weight: 600; }

/* ---------------- mensajes ---------------- */

.fkc-log {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--s4) var(--s4) var(--s2);
  display: flex;
  flex-direction: column;
  gap: var(--s2);
}

.fkc-msg { display: flex; gap: var(--s2); max-width: 100%; }
.fkc-msg.fkc-user { justify-content: flex-end; }

.fkc-bubble {
  max-width: 86%;
  padding: 10px 14px;
  border-radius: 14px 14px 14px 4px;
  background: var(--plate);
  border: 1px solid var(--line-soft);
  font-size: var(--t-sm);
  line-height: 1.45;
}
.fkc-bubble p { margin: 0; }
.fkc-bubble p + * { margin-top: var(--s2); }
.fkc-bubble.has-card { max-width: 100%; width: 100%; }
.fkc-user .fkc-bubble {
  background: var(--carbon);
  border-color: var(--carbon);
  color: var(--on-dark);
  border-radius: 14px 14px 4px 14px;
}
.fkc-agent .fkc-bubble { border-color: var(--line); }
.fkc-who { display: block; font-size: 12px; font-weight: 700; color: var(--ink-2); margin-bottom: 2px; }

.fkc-sys {
  align-self: center;
  margin: var(--s2) 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--steel);
  font-size: 12px;
  color: var(--ink-2);
}

.fkc-typing { display: inline-flex; gap: 4px; padding: 14px; }
.fkc-typing i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  animation: fkc-dot 1s var(--ease-out) infinite;
}
.fkc-typing i:nth-child(2) { animation-delay: 0.15s; }
.fkc-typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes fkc-dot {
  0%, 60%, 100% { opacity: 0.35; transform: none; }
  30% { opacity: 1; transform: translateY(-2px); }
}

/* tarjetas de producto dentro del chat */
.fkc-products { display: grid; gap: var(--s2); }
.fkc-prod {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--s3);
  padding: var(--s2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--plate);
}
.fkc-prod-img {
  background: var(--steel);
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  overflow: hidden;
}
.fkc-prod-img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.fkc-prod-body { display: grid; gap: 1px; align-content: start; }
.fkc-prod-body strong { font-size: var(--t-sm); }
.fkc-prod-kva { font-size: var(--t-xs); color: var(--ink); }
.fkc-prod-meta { font-size: 12px; color: var(--ink-3); }
.fkc-prod-price { font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.fkc-prod-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }

.fkc-handoff {
  display: flex;
  gap: var(--s3);
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--plate);
}
.fkc-handoff .fkc-av { width: 40px; height: 40px; box-shadow: none; font-size: 13px; }
.fkc-handoff > div { display: grid; line-height: 1.35; }
.fkc-handoff > div > span { font-size: 12px; color: var(--ink-3); }
.fkc-handoff-line { display: inline-flex; align-items: center; gap: 4px; margin-top: 4px; color: var(--ok) !important; font-weight: 600; }
.fkc-handoff-line .fkc-ico { width: 14px; height: 14px; }

.fkc-order {
  display: grid;
  gap: var(--s2);
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--plate);
}
.fkc-order ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.fkc-order li { display: flex; justify-content: space-between; gap: var(--s3); font-size: var(--t-xs); }
.fkc-order-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--s3);
  padding-top: var(--s2);
  border-top: 1px solid var(--line-soft);
}
.fkc-order-total strong { font-size: var(--t-md); font-variant-numeric: tabular-nums; }
.fkc-safe { display: inline-flex; align-items: center; gap: 6px; margin: 0; font-size: 12px; color: var(--ink-3); }
.fkc-safe .fkc-ico { width: 14px; height: 14px; }

/* ---------------- pie: respuestas rápidas + campo ---------------- */

.fkc-foot {
  border-top: 1px solid var(--line);
  background: var(--plate);
  padding: var(--s3);
  display: grid;
  gap: var(--s3);
}
.fkc-replies { display: flex; flex-wrap: wrap; gap: 6px; }
.fkc-replies:empty { display: none; }
.fkc-chip {
  border: 1px solid var(--line);
  background: var(--plate);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: var(--t-xs);
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--fast) ease, background-color var(--fast) ease, transform var(--fast) var(--ease-out);
}
.fkc-chip:hover { border-color: var(--ink-3); background: var(--paper); }
.fkc-chip:active { transform: scale(0.97); }
.fkc-chip.is-primary { background: var(--fenk-red); border-color: var(--fenk-red); color: #fff; }
.fkc-chip.is-primary:hover { background: var(--fenk-red-press); }

.fkc-form { display: grid; gap: 6px; }
.fkc-form[hidden] { display: none; }
.fkc-input-label { font-size: 12px; font-weight: 600; color: var(--ink-2); }
.fkc-input-row { display: flex; gap: var(--s2); }
.fkc-input {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--paper);
  font-size: 16px; /* evita el zoom en iOS */
  transition: border-color var(--fast) ease, box-shadow var(--fast) ease;
}
.fkc-input:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(227, 6, 19, 0.14); }
.fkc-input[aria-invalid="true"] { border-color: var(--bad); }
.fkc-send {
  display: grid;
  place-items: center;
  width: 44px;
  border: 0;
  border-radius: var(--r-md);
  background: var(--fenk-red);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--fast) ease;
}
.fkc-send:hover { background: var(--fenk-red-press); }

/* ---------------- aviso al salir sin dejar datos ---------------- */

.fkc-nudge {
  position: relative;
  width: min(320px, calc(100vw - 32px));
  padding: var(--s4);
  background: var(--plate);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--float);
  display: grid;
  gap: 6px;
  animation: fkc-in var(--base) var(--ease-out);
}
.fkc-nudge[hidden] { display: none; }
.fkc-nudge strong { font-size: var(--t-sm); padding-right: 28px; }
.fkc-nudge p { margin: 0; font-size: var(--t-xs); color: var(--ink-2); }
.fkc-nudge-form { display: flex; gap: var(--s2); margin-top: 4px; }
.fkc-nudge-form .input { min-height: 38px; padding: 6px 10px; font-size: 16px; }
.fkc-nudge-x {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
}
.fkc-nudge-x:hover { background: var(--steel); color: var(--ink); }
.fkc-nudge-x .fkc-ico { width: 16px; height: 16px; }

/* ---------------- móvil: hoja a pantalla completa ---------------- */

@media (max-width: 560px) {
  .fkc { right: 12px; bottom: 12px; left: 12px; align-items: stretch; }
  .fkc-launcher { align-self: flex-end; }
  .fkc-panel {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    border-radius: 0;
  }
}