/* ====================================
   WHATSAPP WIDGET - FLOATING BUTTON & POPUP
   ==================================== */

#whatsapp-widget-container {
  /* Container for all WhatsApp elements */
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
}

/* ====================================
   FLOATING WHATSAPP BUTTON
   ==================================== */

.whatsapp-floating-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #1BAD56 100%);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  color: white;
  z-index: 1000;
  padding: 0;
  overflow: visible;
}

.whatsapp-floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-floating-btn:active {
  transform: scale(0.95);
}

.whatsapp-floating-btn svg {
  width: 32px;
  height: 32px;
  fill: white;
}

.whatsapp-floating-btn .whatsapp-icon {
  width: 32px;
  height: 32px;
  display: block;
}

/* ====================================
   WHATSAPP POPUP OVERLAY
   ==================================== */

.whatsapp-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent;
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.whatsapp-overlay.whatsapp-active {
  opacity: 1;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.3);
}

/* ====================================
   WHATSAPP POPUP WINDOW
   ==================================== */

.whatsapp-popup {
  position: fixed;
  bottom: 100px;
  right: 20px;
  width: 360px;
  max-height: 500px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 5px 40px rgba(0, 0, 0, 0.16);
  display: flex;
  flex-direction: column;
  z-index: 1001;
  opacity: 0;
  transform: scale(0.8) translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.whatsapp-popup.whatsapp-active {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

/* ====================================
   POPUP HEADER
   ==================================== */

.whatsapp-popup-header {
  background: linear-gradient(135deg, #25D366 0%, #1BAD56 100%);
  color: white;
  padding: 20px;
  border-radius: 12px 12px 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.whatsapp-header-content {
  flex: 1;
}

.whatsapp-popup-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  line-height: 1.2;
}

.whatsapp-popup-subtitle {
  margin: 4px 0 0 0;
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.95;
  letter-spacing: -0.2px;
}

/* ====================================
   CLOSE BUTTON
   ==================================== */

.whatsapp-close-btn {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.whatsapp-close-btn:hover {
  transform: scale(1.15);
  opacity: 0.8;
}

.whatsapp-close-btn:active {
  transform: scale(0.9);
}

.whatsapp-close-btn svg {
  width: 20px;
  height: 20px;
  fill: white;
}

/* ====================================
   POPUP BODY / MESSAGE AREA
   ==================================== */

.whatsapp-popup-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  background: #f5f5f5;
  border-bottom: 1px solid #e0e0e0;
}

.whatsapp-greeting {
  margin: 0;
  font-size: 0.9rem;
  color: #333;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -0.2px;
}

/* ====================================
   POPUP FOOTER / INPUT SECTION
   ==================================== */

.whatsapp-popup-footer {
  padding: 12px;
  background: white;
  border-radius: 0 0 12px 12px;
  flex-shrink: 0;
  border-top: 1px solid #e0e0e0;
}

.whatsapp-input-wrapper {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

/* ====================================
   MESSAGE INPUT FIELD
   ==================================== */

.whatsapp-message-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 0.9rem;
  font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
  outline: none;
  transition: all 0.2s ease;
  resize: none;
  max-height: 100px;
  letter-spacing: -0.2px;
}

.whatsapp-message-input:focus {
  border-color: #25D366;
  box-shadow: 0 0 0 2px rgba(37, 211, 102, 0.1);
  background: white;
}

.whatsapp-message-input::placeholder {
  color: #999;
  font-size: 0.85rem;
}

/* ====================================
   SEND BUTTON
   ==================================== */

.whatsapp-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #1BAD56 100%);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.whatsapp-send-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 3px 12px rgba(37, 211, 102, 0.4);
}

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

.whatsapp-send-btn svg {
  width: 18px;
  height: 18px;
  fill: white;
}

/* ====================================
   MOBILE RESPONSIVE
   ==================================== */

@media (max-width: 480px) {
  #whatsapp-widget-container {
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-floating-btn {
    width: 56px;
    height: 56px;
  }

  .whatsapp-floating-btn svg {
    width: 28px;
    height: 28px;
  }

  .whatsapp-popup {
    width: calc(100vw - 40px);
    max-width: 360px;
    bottom: 90px;
    right: 20px;
    left: auto;
    max-height: calc(100vh - 150px);
  }

  .whatsapp-popup-header {
    padding: 16px;
  }

  .whatsapp-popup-title {
    font-size: 1rem;
  }

  .whatsapp-popup-subtitle {
    font-size: 0.75rem;
  }

  .whatsapp-popup-body {
    padding: 16px;
  }

  .whatsapp-message-input {
    font-size: 0.85rem;
    padding: 8px 12px;
  }
}

@media (max-width: 360px) {
  .whatsapp-floating-btn {
    width: 52px;
    height: 52px;
  }

  .whatsapp-popup {
    width: calc(100vw - 24px);
    right: 12px;
    left: auto;
  }

  .whatsapp-popup-header {
    padding: 14px;
  }

  .whatsapp-popup-title {
    font-size: 0.95rem;
  }

  .whatsapp-popup-subtitle {
    font-size: 0.7rem;
    margin-top: 2px;
  }

  .whatsapp-popup-body {
    padding: 14px;
  }

  .whatsapp-popup-footer {
    padding: 10px;
  }

  .whatsapp-input-wrapper {
    gap: 6px;
  }

  .whatsapp-send-btn {
    width: 36px;
    height: 36px;
  }

  .whatsapp-send-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* ====================================
   ANIMATIONS & TRANSITIONS
   ==================================== */

@keyframes whatsapp-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.whatsapp-floating-btn {
  animation: whatsapp-bounce 2s infinite;
}

.whatsapp-floating-btn:hover {
  animation: none;
}

/* ====================================
   ACCESSIBILITY
   ==================================== */

.whatsapp-floating-btn:focus,
.whatsapp-close-btn:focus,
.whatsapp-send-btn:focus,
.whatsapp-message-input:focus {
  outline: 2px solid #25D366;
  outline-offset: 2px;
}

.whatsapp-floating-btn:focus {
  outline-offset: 3px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  .whatsapp-floating-btn {
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.8);
  }

  .whatsapp-popup {
    border: 2px solid #25D366;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .whatsapp-floating-btn {
    animation: none;
  }

  .whatsapp-floating-btn,
  .whatsapp-close-btn,
  .whatsapp-send-btn,
  .whatsapp-message-input,
  .whatsapp-popup,
  .whatsapp-overlay {
    transition: none;
  }
}