.about-modal {
  width: min(520px, calc(100vw - 32px));
  max-height: min(80vh, 720px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--glass-line);
  border-radius: 14px;
  background: oklch(16% 0.02 260 / 96%);
  color: var(--text);
  box-shadow: 0 24px 64px oklch(8% 0.03 260 / 55%);
}

.about-modal::backdrop {
  background: oklch(8% 0.02 260 / 62%);
  backdrop-filter: blur(4px);
}

.about-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 12px 12px 16px;
  border-bottom: 1px solid var(--glass-line);
}

.about-modal__title {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.about-modal__body {
  padding: 14px 16px 18px;
  max-height: min(68vh, 640px);
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: oklch(48% 0.04 260) transparent;
  -webkit-user-select: text;
  user-select: text;
}

.about-modal__body::-webkit-scrollbar {
  display: block;
  width: 8px;
}

.about-modal__body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: oklch(48% 0.04 260 / 70%);
}

.about-modal__copy {
  font-size: 14px;
  line-height: 1.6;
}

.about-modal__copy p {
  margin: 0 0 14px;
}

.about-modal__copy p:last-child {
  margin-bottom: 0;
}

.about-modal__copy em {
  font-style: italic;
}