.lignage-dialog { position: fixed; inset: 0; margin: auto; width: min(480px, calc(100% - 32px)); max-height: calc(100dvh - 32px); overflow-y: auto; box-sizing: border-box; padding: 24px; border: 1px solid #bfcbd3; border-radius: 16px; background: white; color: #203b4e; font: 16px/1.5 Atkinson, Arial, sans-serif; box-shadow: 0 16px 64px #17202a40; }
.lignage-dialog::backdrop { background: #17202a80; }
.lignage-dialog h2 { margin: 0; font-size: 24px; }
.lignage-dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.lignage-dialog .lignage-dialog-close { flex: 0 0 44px; min-width: 44px; padding: 0; font-size: 30px; line-height: 1; }
.lignage-dialog p { margin: 12px 0; }
.lignage-dialog label { display: block; margin: 14px 0 6px; font-weight: bold; }
.lignage-dialog input, .lignage-dialog textarea { box-sizing: border-box; width: 100%; padding: 10px; min-height: 44px; border: 1px solid #8098aa; border-radius: 8px; color: #203b4e; background: white; font: inherit; }
.lignage-dialog textarea { resize: vertical; }
.lignage-dialog-actions { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0; }
.lignage-dialog button, .lignage-dialog a { display: inline-flex; justify-content: center; align-items: center; gap: 8px; min-height: 44px; box-sizing: border-box; padding: 8px 14px; border: 1px solid #31536b; border-radius: 8px; background: #fff; color: #203b4e; font: inherit; cursor: pointer; text-decoration: none; }
.lignage-dialog button[type=submit] { color: white; background: #31536b; }
.lignage-dialog button:hover, .lignage-dialog a:hover { background: #eaf3f8; color: #203b4e; }
.lignage-dialog :focus-visible { outline: 3px solid #bd7200; outline-offset: 3px; }
.lignage-share-icon { flex-shrink: 0; }
.lignage-title-row, .lignage-link-row { display: flex; align-items: center; gap: 8px; }
.lignage-title-row input, .lignage-link-row input { flex: 1; min-width: 0; }
.lignage-link-row input { text-overflow: ellipsis; }
.lignage-link-row button { flex: 0 0 44px; width: 44px; padding: 8px; }
.lignage-dialog button:disabled, .lignage-dialog a[aria-disabled=true] { opacity: .55; cursor: default; }
.lignage-dialog a[aria-disabled=true] { pointer-events: none; }
.lignage-title-row { margin-bottom: 16px; }