/* Modal warm-up de WhatsApp
 * Estilo "WhatsApp Web" / "Intercom" para generar confianza antes de abrir WhatsApp.
 * Se inyecta via JS en cualquier pagina que cargue assets/js/whatsapp-modal.js.
 */

:root {
  --wm-z: 110;
  --wm-radius: 16px;
  --wm-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --wm-accent: #25D366; /* WhatsApp green */
  --wm-bubble-user: #DCF8C6;
  --wm-bubble-agent: #ffffff;
  --wm-typing: #8e8e93;
}

#wm-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--wm-z);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
#wm-backdrop.wm-open {
  display: flex;
  opacity: 1;
}

#wm-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  max-height: 92vh;
  background: #ECE5DD; /* Fondo tipo WhatsApp (textura sutil) */
  border-radius: var(--wm-radius);
  box-shadow: var(--wm-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#wm-backdrop.wm-open #wm-card {
  transform: translateY(0) scale(1);
}

/* Header */
#wm-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px 14px 14px;
  background: var(--wm-accent);
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.10);
}
#wm-header .wm-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.35);
}
#wm-header .wm-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
#wm-header .wm-name {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 6px;
}
#wm-header .wm-status {
  font-size: 12px;
  opacity: 0.95;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 2px;
}
#wm-header .wm-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
  animation: wm-pulse 2s ease-in-out infinite;
}
#wm-header .wm-close {
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  opacity: 0.85;
  transition: opacity .15s, background-color .15s;
}
#wm-header .wm-close:hover { opacity: 1; background-color: rgba(255,255,255,0.12); }

/* Body con burbujas */
#wm-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 200px;
}
.wm-bubble {
  max-width: 84%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.4;
  word-wrap: break-word;
  box-shadow: 0 1px 1px rgba(0,0,0,0.08);
  position: relative;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s, transform 0.3s;
}
.wm-bubble.wm-show {
  opacity: 1;
  transform: translateY(0);
}
.wm-bubble.wm-agent {
  background: var(--wm-bubble-agent);
  color: #111;
  align-self: flex-start;
  border-top-left-radius: 4px;
}
.wm-bubble.wm-typing {
  background: var(--wm-bubble-agent);
  color: transparent;
  align-self: flex-start;
  border-top-left-radius: 4px;
  display: inline-flex;
  gap: 4px;
  padding: 12px 14px;
}
.wm-bubble.wm-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--wm-typing);
  display: inline-block;
  animation: wm-typing-bounce 1.2s infinite ease-in-out;
}
.wm-bubble.wm-typing span:nth-child(2) { animation-delay: 0.15s; }
.wm-bubble.wm-typing span:nth-child(3) { animation-delay: 0.30s; }

.wm-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  align-self: stretch;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s 0.2s, transform 0.4s 0.2s;
}
.wm-actions.wm-show { opacity: 1; transform: translateY(0); }
.wm-action {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #111;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background-color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.wm-action:hover {
  background: #f9fafb;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.wm-action:focus-visible {
  outline: 2px solid var(--wm-accent);
  outline-offset: 2px;
}
.wm-action i {
  width: 20px;
  text-align: center;
  color: var(--wm-accent);
  font-size: 16px;
}

/* Footer con microcopy */
#wm-footer {
  padding: 10px 14px 12px;
  background: rgba(255,255,255,0.6);
  text-align: center;
  font-size: 11px;
  color: #6b7280;
  border-top: 1px solid rgba(0,0,0,0.04);
}

/* Animaciones */
@keyframes wm-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); }
  50%      { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}
@keyframes wm-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-4px); opacity: 1; }
}
@keyframes wm-fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  #wm-backdrop, #wm-card, .wm-bubble, .wm-actions { transition: none !important; }
  #wm-header .wm-status::before, .wm-bubble.wm-typing span { animation: none !important; }
}