:root {
  --aoc-primary: #4f46e5;
  --aoc-primary-dark: #4338ca;
  --aoc-bg: #ffffff;
  --aoc-bg-agente: #f3f4f6;
  --aoc-text: #1f2937;
  --aoc-text-muted: #6b7280;
  --aoc-border: #e5e7eb;
}

@media (prefers-color-scheme: dark) {
  .aoc-panel {
    --aoc-bg: #1f2937;
    --aoc-bg-agente: #374151;
    --aoc-text: #f3f4f6;
    --aoc-text-muted: #9ca3af;
    --aoc-border: #374151;
  }
}

.aoc-launcher {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--aoc-primary), var(--aoc-primary-dark));
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease;
}
.aoc-launcher:hover { transform: scale(1.06); }
.aoc-launcher:focus-visible { outline: 3px solid #a5b4fc; outline-offset: 2px; }
.aoc-launcher svg { width: 26px; height: 26px; }
.aoc-launcher .aoc-icon-close { display: none; }
.aoc-launcher[aria-expanded="true"] .aoc-icon-chat { display: none; }
.aoc-launcher[aria-expanded="true"] .aoc-icon-close { display: block; }

.aoc-panel {
  position: fixed;
  right: 20px;
  bottom: 92px;
  z-index: 999999;
  width: min(370px, calc(100vw - 40px));
  height: min(560px, calc(100vh - 140px));
  background: var(--aoc-bg);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.aoc-panel.aoc-abierto {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.aoc-cabecera {
  background: linear-gradient(135deg, var(--aoc-primary), var(--aoc-primary-dark));
  color: #fff;
  padding: 16px 18px;
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.aoc-cabecera h2 { margin: 0; font-size: 1.05rem; font-weight: 700; letter-spacing: 0.01em; }
.aoc-cabecera p { margin: 2px 0 0; font-size: 0.8rem; opacity: 0.85; }
.aoc-cerrar-panel {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aoc-cerrar-panel:hover { background: rgba(255, 255, 255, 0.15); }
.aoc-cerrar-panel:focus-visible { outline: 2px solid #fff; outline-offset: 1px; }
.aoc-cerrar-panel svg { width: 16px; height: 16px; }

.aoc-mensajes {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.aoc-msg { max-width: 82%; padding: 9px 13px; border-radius: 14px; font-size: 0.9rem; line-height: 1.42; white-space: pre-wrap; word-wrap: break-word; }
.aoc-msg-agente { align-self: flex-start; background: var(--aoc-bg-agente); color: var(--aoc-text); border-bottom-left-radius: 4px; }
.aoc-msg-usuario { align-self: flex-end; background: var(--aoc-primary); color: #fff; border-bottom-right-radius: 4px; }
.aoc-msg-error { align-self: center; background: #fee2e2; color: #991b1b; font-size: 0.82rem; text-align: center; }

.aoc-contacto { display: flex; flex-direction: column; gap: 7px; max-width: 92%; }
.aoc-contacto-intro { margin: 0 0 2px; }
.aoc-contacto-input, .aoc-contacto-textarea {
  border: 1px solid var(--aoc-border);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--aoc-text);
  background: var(--aoc-bg);
  resize: none;
}
.aoc-contacto-input:focus-visible, .aoc-contacto-textarea:focus-visible { outline: 2px solid var(--aoc-primary); outline-offset: 1px; }
.aoc-contacto-error { margin: 0; color: #991b1b; font-size: 0.78rem; }
.aoc-contacto-enviar {
  align-self: flex-start;
  border: none;
  border-radius: 8px;
  padding: 7px 16px;
  background: var(--aoc-primary);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
}
.aoc-contacto-enviar:disabled { opacity: 0.6; cursor: not-allowed; }

.aoc-typing { align-self: flex-start; display: flex; gap: 4px; padding: 10px 13px; }
.aoc-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--aoc-text-muted); animation: aoc-bounce 1.2s infinite; }
.aoc-typing span:nth-child(2) { animation-delay: 0.15s; }
.aoc-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes aoc-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: 0.5; } 30% { transform: translateY(-4px); opacity: 1; } }

.aoc-form {
  flex-shrink: 0;
  border-top: 1px solid var(--aoc-border);
  padding: 10px 12px;
  display: flex;
  gap: 8px;
  align-items: flex-end;
}
.aoc-textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--aoc-border);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 0.9rem;
  font-family: inherit;
  max-height: 90px;
  color: var(--aoc-text);
  background: var(--aoc-bg);
}
.aoc-textarea:focus-visible { outline: 2px solid var(--aoc-primary); outline-offset: 1px; }
.aoc-enviar {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: none;
  background: var(--aoc-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aoc-enviar:disabled { opacity: 0.5; cursor: not-allowed; }
.aoc-enviar svg { width: 17px; height: 17px; }

.aoc-nota {
  flex-shrink: 0;
  padding: 6px 14px 10px;
  font-size: 0.68rem;
  color: var(--aoc-text-muted);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .aoc-panel, .aoc-launcher { transition: none; }
  .aoc-typing span { animation: none; }
}