.faq-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2147483001;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.45);
}

.faq-modal {
  width: min(100%, 520px);
  max-height: min(80vh, 640px);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated, var(--md-sys-color-surface, #fff));
  color: var(--text, var(--md-sys-color-on-surface, #1a1c1e));
  border: 1px solid var(--border, var(--md-sys-color-outline-variant, #c3c7cf));
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
}

.faq-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 16px 8px;
  border-bottom: 1px solid var(--border, var(--md-sys-color-outline-variant, #c3c7cf));
}

.faq-modal-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.faq-modal-close {
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
  padding: 4px 8px;
}

.faq-modal-body {
  overflow: auto;
  padding: 8px 16px 20px;
}

.faq-item {
  border-bottom: 1px solid var(--border, var(--md-sys-color-outline-variant, #c3c7cf));
  padding: 10px 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.45;
}

.faq-item p {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--text-secondary, var(--md-sys-color-on-surface-variant, #43474e));
}

@media (min-width: 640px) {
  .faq-modal-backdrop {
    align-items: center;
  }

  .faq-modal {
    border-radius: 16px;
  }
}