.octava-model-announcement {
  width: min(540px, calc(100% - 32px)); max-height: calc(100dvh - 32px);
  margin: auto; padding: 0; overflow-y: auto; overscroll-behavior: contain;
  border: 1px solid var(--line, #333); border-radius: 24px;
  background: var(--surface, #151515); color: var(--text, #f4f1e9);
  box-shadow: 0 24px 100px #0006; font-family: inherit;
}
.octava-model-announcement[open] { animation: oma-appear 220ms ease-out; }
.octava-model-announcement::backdrop { background: #0009; backdrop-filter: blur(5px); }
.octava-model-announcement .oma-card { position: relative; padding: 32px; }
.octava-model-announcement .oma-close { position: absolute; top: 14px; right: 14px; display: grid; place-items: center; width: 36px; height: 36px; padding: 9px; border: 0; border-radius: 50%; background: transparent; color: var(--text-soft, #aaa); cursor: pointer; }
.octava-model-announcement .oma-close:hover { background: var(--surface-strong, #262626); }
.octava-model-announcement .oma-close svg { width: 18px; height: 18px; }
.octava-model-announcement .oma-tag { display: inline-block; margin-bottom: 13px; color: var(--accent, #ff792e); font-size: 12px; font-weight: 650; }
.octava-model-announcement h2 { margin: 0 28px 10px 0; font-size: clamp(24px, 5vw, 30px); line-height: 1.15; font-weight: 650; letter-spacing: -.7px; }
.octava-model-announcement .oma-intro > p { margin: 0; max-width: 41ch; color: var(--text-soft, #aaa); font-size: 14px; line-height: 1.65; }
.octava-model-announcement .oma-families { display: grid; gap: 0; margin: 22px 0 24px; }
.octava-model-announcement .oma-family { padding: 16px 0; border-bottom: 1px solid var(--line, #333); }
.octava-model-announcement .oma-family:first-child { padding-top: 0; }
.octava-model-announcement .oma-family-heading { display: flex; align-items: center; gap: 9px; }
.octava-model-announcement .oma-family-heading img { width: 23px; height: 23px; object-fit: contain; border-radius: 6px; }
.octava-model-announcement .oma-family-heading .oma-deepseek, .octava-model-announcement .oma-family-heading .oma-gemini { filter: invert(44%) sepia(89%) saturate(1836%) hue-rotate(205deg) brightness(104%); }
.octava-model-announcement h3 { margin: 0; font-size: 15px; font-weight: 650; letter-spacing: -.1px; }
.octava-model-announcement .oma-family > p { margin: 7px 0 0 32px; color: var(--text-soft, #aaa); font-size: 13px; line-height: 1.5; }
.octava-model-announcement .oma-family > p span { margin-inline: 4px; opacity: .55; }
.octava-model-announcement .oma-highlight { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 7px 14px; margin: 13px 0 0 32px; padding: 12px 14px; border: 1px solid color-mix(in srgb, var(--accent, #ff792e) 24%, transparent); border-radius: 13px; background: color-mix(in srgb, var(--accent, #ff792e) 6%, transparent); }
.octava-model-announcement .oma-highlight strong { display: grid; gap: 4px; font-size: 13px; font-weight: 600; }
.octava-model-announcement .oma-highlight strong span { color: var(--accent, #ff792e); font-size: 12px; font-weight: 500; }
.octava-model-announcement .oma-highlight small { color: var(--text-soft, #aaa); font-size: 11px; white-space: nowrap; }
.octava-model-announcement .oma-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.octava-model-announcement .oma-dismiss, .octava-model-announcement .oma-catalog { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 42px; padding: 10px 17px; border: 0; border-radius: 12px; font-family: inherit; font-size: 13px; font-weight: 600; line-height: 1.4; text-decoration: none; cursor: pointer; }
.octava-model-announcement .oma-dismiss { background: transparent; color: var(--text-soft, #aaa); }
.octava-model-announcement .oma-dismiss:hover { color: var(--text, #fff); }
.octava-model-announcement .oma-catalog { background: var(--accent, #ff792e); color: var(--accent-ink, #24110b); font-family: inherit; font-size: 13px; font-weight: 650; }
.octava-model-announcement .oma-catalog:hover { background: var(--accent-strong, #ff8c4b); }
.octava-model-announcement :focus-visible { outline: 2px solid var(--accent, #ff792e); outline-offset: 3px; }
@keyframes oma-appear { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 520px) {
  .octava-model-announcement .oma-card { padding: 25px 22px 22px; }
  .octava-model-announcement .oma-highlight { margin-left: 0; }
  .octava-model-announcement .oma-actions { gap: 8px; }
  .octava-model-announcement .oma-catalog { flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .octava-model-announcement[open] { animation: none; } }