.release-notes-dialog { width: min(680px, calc(100% - 32px)); max-height: 88vh; margin: auto; padding: 0; border: 1px solid #cbd5e1; border-radius: 8px; background: #fff; color: #1f2937; box-sizing: border-box; overflow: hidden; }
.release-notes-dialog[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto auto; }
.release-notes-dialog::backdrop { background: rgb(17 24 39 / 45%); }
.release-notes-head, .release-notes-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 22px; }
.release-notes-head { border-bottom: 1px solid #e5e7eb; }
.release-notes-head h2 { margin: 0; font-size: 20px; }
.release-notes-progress { margin: 6px 0 0; color: #6b7280; font-size: 12px; line-height: 1.5; }
.release-notes-close { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; padding: 0; border: 0; border-radius: 50%; background: #f3f4f6; color: #374151; font-size: 24px; cursor: pointer; }
.release-notes-content { padding: 0 22px; min-height: 0; max-height: 58vh; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.release-notes-version { padding: 20px 0; border-bottom: 1px solid #e5e7eb; overflow-wrap: anywhere; }
.release-notes-version:last-child { border: 0; }
.release-notes-version-head { display: grid; gap: 8px; }
.release-notes-version h3 { margin: 0; font-size: 16px; line-height: 1.5; }
.release-notes-version time { font-size: 12px; color: #6b7280; }
.release-notes-version ul { margin: 14px 0 0; padding-left: 20px; font-size: 14px; line-height: 1.7; }
.release-notes-version li + li { margin-top: 8px; }
.release-notes-version h4 { margin: 18px 0 10px; font-size: 14px; }
.release-notes-workflow { max-width: 100%; padding: 12px; box-sizing: border-box; overflow-x: auto; white-space: pre; border: 1px solid #d1d5db; border-radius: 6px; background: #f8fafc; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; line-height: 1.65; }
.release-notes-error { margin: 0; padding: 0 22px; color: #b91c1c; font-size: 13px; }
.release-notes-footer { justify-content: flex-end; border-top: 1px solid #e5e7eb; }
.release-notes-footer button { min-height: 40px; min-width: 104px; }
.release-notes-dialog :focus-visible { outline: 2px solid #1d4ed8; outline-offset: 2px; }
@media(max-width: 600px) { .release-notes-head, .release-notes-footer { padding: 16px; } .release-notes-content { padding: 0 16px; } .release-notes-head h2 { font-size: 18px; } }