/**
 * ChatWhatsapp v2 - Frontend Styles
 * Estilos del botón flotante y ventana de chat.
 * Minimalista, accesible y compatible con cualquier theme.
 */

:root {
  --cwa-color: #25d366;
  --cwa-margin: 20px;
  --cwa-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  --cwa-radius: 16px;
  --cwa-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ------------------------------
   Contenedor principal
------------------------------ */
.chatwhatsapp-container {
  position: fixed;
  z-index: 9999;
  bottom: var(--cwa-margin);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: var(--cwa-font);
}

/* Posición izquierda / derecha */
.chatwhatsapp-container.cwa-left {
  left: var(--cwa-margin);
  align-items: flex-start;
}

.chatwhatsapp-container.cwa-right {
  right: var(--cwa-margin);
  align-items: flex-end;
}
/* Posición centrada */
.chatwhatsapp-container.cwa-center {
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
}

/* ------------------------------
   Botón flotante
------------------------------ */
.chatwhatsapp-button {
  background: var(--cwa-color);
  border: none;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  box-shadow: var(--cwa-shadow);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.chatwhatsapp-button:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

.chatwhatsapp-button svg {
  width: 30px;
  height: 30px;
}

/* Estado abierto */
.cwa-open .chatwhatsapp-button {
  transform: scale(0.95);
  opacity: 0.8;
}

/* ------------------------------
   Ventana flotante
------------------------------ */
.chatwhatsapp-window {
  position: relative;
  bottom: 80px;
  width: 300px;
  max-width: 90vw;
  background: #fff;
  border-radius: var(--cwa-radius);
  box-shadow: var(--cwa-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.cwa-open .chatwhatsapp-window {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ------------------------------
   Cabecera
------------------------------ */
.chatwhatsapp-header {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--cwa-color);
  color: #fff;
  padding: 12px 14px;
  position: relative;
}

.chatwhatsapp-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.chatwhatsapp-name {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.3;
}

.chatwhatsapp-close {
  position: absolute;
  top: 6px;
  right: 10px;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.chatwhatsapp-close:hover {
  opacity: 0.8;
}

/* ------------------------------
   Cuerpo del mensaje
------------------------------ */
.chatwhatsapp-body {
  padding: 16px 14px 20px;
  color: #333;
  background: #fff;
  font-size: 15px;
}

.chatwhatsapp-message {
  margin: 0 0 14px 0;
  line-height: 1.5;
}

.chatwhatsapp-start-btn {
  display: inline-block;
  background: var(--cwa-color);
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 50px;
  transition: background 0.2s ease;
}

.chatwhatsapp-start-btn:hover {
  background: #1ebe5a;
}

/* ------------------------------
   Modo oscuro (prefers-color-scheme)
------------------------------ */
@media (prefers-color-scheme: dark) {
  .chatwhatsapp-window {
    background: #1f1f1f;
    color: #f1f1f1;
  }
  .chatwhatsapp-body {
    background: #1f1f1f;
  }
  .chatwhatsapp-message {
    color: #ddd;
  }
  .chatwhatsapp-start-btn {
    background: var(--cwa-color);
  }
}

/* ------------------------------
   Responsividad
------------------------------ */
@media (max-width: 480px) {
  .chatwhatsapp-window {
    width: 90%;
    right: 5%;
    left: 5%;
  }
  .chatwhatsapp-button {
    width: 56px;
    height: 56px;
  }
  .chatwhatsapp-button svg {
    width: 26px;
    height: 26px;
  }
}

/* ------------------------------
   Accesibilidad y foco
------------------------------ */
.chatwhatsapp-button:focus,
.chatwhatsapp-close:focus,
.chatwhatsapp-start-btn:focus {
  outline: 2px solid var(--cwa-color);
  outline-offset: 2px;
}
.chatwhatsapp-icon-small {
  display: flex;
  justify-content: flex-end;
  margin-top: -6px;
}
.chatwhatsapp-icon-small svg {
  width: 18px;
  height: 18px;
}