.sn-action-dialog {
  box-sizing: border-box;
  width: min(440px, calc(100vw - 32px));
  max-width: none;
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid var(--line, #242424);
  border-radius: var(--radius-xl, 16px);
  background: var(--bg-elev, #090909);
  color: var(--text, #f2f2f2);
  font-family: var(--site-font, system-ui, sans-serif);
  box-shadow: var(--shadow-pop, 0 18px 48px rgba(0, 0, 0, .46));
}
.sn-action-dialog::backdrop { background: rgba(0, 0, 0, .64); }
.sn-action-dialog[open] { animation: sn-action-appear .14s ease-out; }
.sn-action-body { position: relative; padding: 24px; }
.sn-action-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  border: 1px solid var(--line, #242424);
  border-radius: var(--radius-lg, 12px);
  background: var(--card, #111);
  color: var(--muted, #9a9a9a);
}
.sn-action-dialog svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sn-action-dialog .sn-action-close {
  position: absolute;
  top: 20px;
  right: 20px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md, 10px);
  background: transparent;
  color: var(--muted, #9a9a9a);
  box-shadow: none;
  cursor: pointer;
}
.sn-action-dialog .sn-action-close:hover { color: var(--text-strong, #fff); background: var(--card, #111); }
.sn-action-title { margin: 0; color: var(--text-strong, #fff); font-size: 21px; font-weight: var(--site-font-strong, 760); line-height: 1.3; overflow-wrap: anywhere; }
.sn-action-message { margin: 10px 0 0; color: var(--muted, #9a9a9a); font-size: 14px; line-height: 1.6; white-space: pre-line; overflow-wrap: anywhere; }
.sn-action-detail { margin-top: 18px; padding: 12px 14px; border: 1px solid var(--line-soft, #1a1a1a); border-radius: var(--radius-sm, 8px); background: var(--card, #111); color: var(--text, #f2f2f2); font-size: 13px; overflow-wrap: anywhere; }
.sn-action-footer { display: flex; justify-content: flex-end; gap: 10px; padding: 18px 24px; border-top: 1px solid var(--line-soft, #1a1a1a); }
.sn-action-dialog .sn-action-button {
  min-height: 42px;
  min-width: 100px;
  padding: 10px 18px;
  border: 1px solid var(--line, #242424);
  border-radius: var(--radius-md, 10px);
  background: transparent;
  color: var(--text, #f2f2f2);
  font: inherit;
  font-size: 14px;
  font-weight: var(--site-font-strong, 760);
  line-height: 1.25;
  box-shadow: none;
  cursor: pointer;
  transition: background .14s ease, border-color .14s ease;
}
.sn-action-dialog .sn-action-cancel:hover { background: var(--card-hover, #161616); }
.sn-action-dialog .sn-action-confirm { border-color: transparent; background: var(--accent, #e8e8e8); color: var(--on-accent, #0b0b0b); }
.sn-action-dialog .sn-action-confirm:hover { background: var(--accent-hover, #fff); color: var(--on-accent, #0b0b0b); }
.sn-action-dialog.is-danger .sn-action-mark { border-color: color-mix(in srgb, var(--danger, #d96b6b) 45%, var(--line, #242424)); background: var(--danger-soft, rgba(217,107,107,.14)); color: var(--danger, #d96b6b); }
.sn-action-dialog.is-danger .sn-action-confirm { background: var(--danger, #d96b6b); color: #fff; }
.sn-action-dialog.is-danger .sn-action-confirm:hover { background: color-mix(in srgb, var(--danger, #d96b6b) 86%, #fff); color: #fff; }
.sn-action-dialog button:focus-visible { outline: 2px solid var(--muted, #9a9a9a); outline-offset: 3px; }
@keyframes sn-action-appear { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (max-width: 480px) {
  .sn-action-body { padding: 20px; }
  .sn-action-title { font-size: 20px; }
  .sn-action-footer { padding: 16px 20px; }
  .sn-action-dialog .sn-action-button { flex: 1; min-width: 0; }
}
@media (prefers-reduced-motion: reduce) { .sn-action-dialog[open] { animation: none; } .sn-action-dialog .sn-action-button { transition: none; } }