/* FAQ Modal Styles */
.faq-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  padding: 24px;
  overflow-y: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-modal {
  background: white;
  border-radius: 24px;
  max-width: 600px;
  width: 100%;
  max-height: calc(100vh - 48px);
  margin: auto;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.faq-modal-header {
  background: linear-gradient(135deg, #f4a261 0%, #e76f51 100%);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 3px solid rgba(255, 255, 255, 0.2);
}

.faq-modal-title {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-size: 20px;
  font-weight: 700;
  font-family: 'Quicksand', sans-serif;
}

.faq-modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.faq-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.faq-modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.faq-item {
  margin-bottom: 12px;
  border-radius: 16px;
  overflow: hidden;
}

.faq-item-pink { background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%); }
.faq-item-blue { background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); }
.faq-item-green { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.faq-item-orange { background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%); }
.faq-item-purple { background: linear-gradient(135deg, #e9d5ff 0%, #d8b4fe 100%); }
.faq-item-cyan { background: linear-gradient(135deg, #cffafe 0%, #a5f3fc 100%); }

.faq-question {
  width: 100%;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-family: 'Quicksand', sans-serif;
}

.faq-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.faq-item-pink .faq-dot { color: #ec4899; }
.faq-item-blue .faq-dot { color: #3b82f6; }
.faq-item-green .faq-dot { color: #10b981; }
.faq-item-orange .faq-dot { color: #f59e0b; }
.faq-item-purple .faq-dot { color: #a855f7; }
.faq-item-cyan .faq-dot { color: #06b6d4; }

.faq-text {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: #1f2937;
  line-height: 1.5;
}

.faq-icon {
  flex-shrink: 0;
  color: #6b7280;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #f4a261;
}

.faq-answer {
  display: none;
  padding: 0 20px 16px 52px;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.7;
  color: #4b5563;
  margin: 0;
}

.faq-contact {
  margin-top: 24px;
  padding: 20px;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: 16px;
  text-align: center;
  border: 2px dashed #f59e0b;
}

.faq-contact h3 {
  font-size: 18px;
  font-weight: 700;
  color: #92400e;
  margin: 0 0 8px 0;
  font-family: 'Quicksand', sans-serif;
}

.faq-contact p {
  font-size: 14px;
  color: #78350f;
  margin: 0;
  line-height: 1.5;
}

.faq-modal-footer {
  padding: 20px 24px;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  display: flex;
  gap: 12px;
}

.faq-btn {
  flex: 1;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Quicksand', sans-serif;
  text-decoration: none;
}

.faq-btn-zalo {
  flex: 2;
  background: linear-gradient(135deg, #0068FF 0%, #0052CC 100%);
  color: white;
}

.faq-btn-zalo:hover {
  background: linear-gradient(135deg, #0052CC 0%, #0041A8 100%);
}

.faq-btn-close {
  flex: 0.8;
  background: white;
  color: #6b7280;
  border: 2px solid #e5e7eb;
}

.faq-btn-close:hover {
  background: #f9fafb;
}

/* Mobile Responsive */
@media (max-width: 640px) {
  .faq-modal-overlay {
    padding: 12px;
    align-items: flex-start;
    padding-top: max(12px, env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
  .faq-modal {
    border-radius: 20px;
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px); /* dvh cho mobile browsers */
    margin-top: 0;
  }
  .faq-modal-header { padding: 16px 20px; }
  .faq-modal-title { font-size: 18px; gap: 10px; }
  .faq-modal-title svg { width: 24px; height: 24px; }
  .faq-modal-body { padding: 16px; }
  .faq-question { padding: 14px 16px; }
  .faq-text { font-size: 14px; }
  .faq-answer p { font-size: 13px; }
  .faq-item.active .faq-answer { padding: 0 16px 14px 44px; }
  .faq-contact { padding: 16px; }
  .faq-contact h3 { font-size: 16px; }
  .faq-contact p { font-size: 13px; }
  .faq-modal-footer { padding: 16px; gap: 8px; }
  .faq-btn { padding: 12px 16px; font-size: 14px; }
}