/* ══════════════════ WHATSAPP BUTTON ══════════════════ */

#whatsappToggle {
  position: fixed;
  bottom: 180px;
  right: 50px;
  width: 20px;
  height: 20px;
  background: linear-gradient(135deg, #0a7632 0%, #111 100%);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#whatsappToggle:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

#whatsappToggle:active {
  transform: scale(0.92);
}

/* ══════════════════ WHATSAPP WIDGET ══════════════════ */

.whatsapp-widget {
  position: fixed;
  bottom: 70px;
  right: 20px;
  width: 360px;
  height: 500px;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  z-index: 998;
  animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.whatsapp-widget.hidden {
  display: none;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* WIDGET HEADER */
.whatsapp-widget-header {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: white;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.whatsapp-widget-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.whatsapp-close-btn {
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 6px;
}

.whatsapp-close-btn:hover {
  transform: scale(1.15) rotate(90deg);
  background: rgba(255, 255, 255, 0.15);
}

/* FORM STYLES */
.whatsapp-form {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.whatsapp-form.hidden {
  display: none;
}

.whatsapp-form h4 {
  margin: 0 0 10px 0;
  font-size: 18px;
  font-weight: 600;
  color: #0d0d0b;
}

.wa-input {
  width: 100%;
  padding: 11px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.wa-input:focus {
  outline: none;
  border-color: #25d366;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.wa-btn {
  width: 100%;
  padding: 11px;
  background: #25d366;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 8px;
}

.wa-btn:hover {
  background: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.wa-btn:active {
  transform: translateY(0);
}

.wa-error {
  font-size: 12px;
  color: #d32f2f;
  padding: 8px;
  background: #ffebee;
  border-radius: 4px;
  border-left: 3px solid #d32f2f;
  margin-top: 4px;
}

.wa-error.hidden {
  display: none;
}

.wa-toggle-link {
  margin: 10px 0 0 0;
  font-size: 12px;
  color: #666;
  text-align: center;
}

.wa-toggle-link a {
  color: #25d366;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}

.wa-toggle-link a:hover {
  text-decoration: underline;
}

/* CHAT AREA */
.wa-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 12px;
}

.wa-msg {
  display: flex;
  margin-bottom: 4px;
  animation: msgIn 0.3s ease-out;
}

@keyframes msgIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wa-msg.user {
  justify-content: flex-end;
}

.wa-msg p {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.4;
  max-width: 70%;
  word-wrap: break-word;
}

.wa-msg.user p {
  background: #25d366;
  color: white;
  border-radius: 18px 18px 4px 18px;
}

.wa-msg.bot p {
  background: #f0f0f0;
  color: #0d0d0b;
  border-radius: 18px 18px 18px 4px;
}

/* INPUT GROUP */
.wa-input-group {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid #e0e0e0;
  background: white;
  flex-shrink: 0;
}

.wa-chat-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.wa-chat-input:focus {
  outline: none;
  border-color: #25d366;
}

.wa-send-btn {
  width: 40px;
  height: 40px;
  background: #25d366;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  flex-shrink: 0;
}

.wa-send-btn:hover {
  background: #20ba5a;
  transform: scale(1.1);
}

.wa-send-btn:active {
  transform: scale(0.95);
}

/* RESPONSIVE */
@media (max-width: 480px) {
  .whatsapp-widget {
    width: calc(100vw - 20px);
    height: calc(100vh - 100px);
    bottom: 70px;
    right: 10px;
  }
}

.hidden {
  display: none !important;
}