/**
 * FAQ Page Specific Styles
 * Extends: md3-components.css, public-common.css
 */

/* FAQ Category */
.faq-category {
  margin-bottom: 40px;
}

.faq-category:last-child {
  margin-bottom: 0;
}

.faq-category-title {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--md-sys-color-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--md-sys-color-outline);
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-category-title .material-icons {
  font-size: 1.8rem;
}

/* FAQ Item (Accordion) */
.faq-item {
  background: var(--md-sys-color-surface-2);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  border-left: 4px solid var(--md-sys-color-outline);
  transition: all 0.2s ease;
}

.faq-item:hover {
  border-left-color: var(--md-sys-color-primary);
}

.faq-item[open] {
  border-left-color: var(--md-sys-color-primary);
  box-shadow: var(--md-sys-elevation-2);
}

/* Question (Summary) */
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background 0.2s;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question:hover {
  background: var(--md-sys-color-surface-1);
}

.faq-question-text {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  flex: 1;
  padding-right: 16px;
  line-height: 1.4;
}

.faq-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Link Button */
.faq-link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  color: var(--md-sys-color-on-surface-variant);
  transition: all 0.2s;
  opacity: 0;
}

.faq-item:hover .faq-link-btn,
.faq-item[open] .faq-link-btn {
  opacity: 1;
}

.faq-link-btn:hover {
  background: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-primary);
}

.faq-link-btn .material-icons {
  font-size: 20px;
}

/* Chevron Icon */
.faq-chevron {
  font-size: 24px;
  color: var(--md-sys-color-primary);
  transition: transform 0.3s ease;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

/* Answer */
.faq-answer {
  padding: 0 24px 24px 24px;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.7;
  font-size: 1rem;
  animation: faq-slide-down 0.3s ease;
}

.faq-answer p {
  margin: 0 0 16px 0;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul,
.faq-answer ol {
  margin: 12px 0;
  padding-left: 24px;
}

.faq-answer li {
  margin-bottom: 8px;
}

.faq-answer strong {
  color: var(--md-sys-color-on-surface);
  font-weight: 600;
}

.faq-answer a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

.faq-answer a:hover {
  text-decoration: underline;
}

@keyframes faq-slide-down {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Contact Section */
.faq-contact {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--md-sys-color-outline);
}

/* Copy Toast Notification */
.copy-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  box-shadow: var(--md-sys-elevation-3);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 1000;
  pointer-events: none;
}

.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Highlighted question (when navigated via anchor) */
.faq-item:target {
  animation: faq-highlight 2s ease;
}

@keyframes faq-highlight {
  0% {
    background: var(--md-sys-color-primary-container);
  }
  100% {
    background: var(--md-sys-color-surface-2);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .faq-category-title {
    font-size: 1.3rem;
  }

  .faq-question {
    padding: 16px 20px;
  }

  .faq-question-text {
    font-size: 1rem;
  }

  .faq-answer {
    padding: 0 20px 20px 20px;
    font-size: 0.95rem;
  }

  .faq-link-btn {
    opacity: 1;
  }

  .faq-chevron {
    font-size: 20px;
  }
}