.announcement-modal { width: 620px; border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent); box-shadow: var(--shadow-3); border-top: 4px solid var(--danger); }
.announcement-modal[open] { animation: confirm-in var(--dur-slow) var(--ease-out); }
.announcement-modal__ribbon {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--danger-subtle);
  border-bottom: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  color: var(--danger-fg);
  font: 600 12px/1 var(--font-sans);
}
.announcement-modal__count { padding: 3px 8px; border-radius: var(--radius-pill); background: var(--danger); color: #fff; }
.announcement-modal__meta { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 13px; color: var(--text-secondary); }
.announcement-modal__text {
  max-height: min(46vh, 420px);
  overflow-y: auto;
  padding: 14px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  color: var(--text-primary);
  font: var(--text-body);
  font-size: 15px;
  line-height: 1.6;
}
.announcement-modal__thread { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 13px; }
.announcement-modal__ack {
  display: flex;
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background: var(--accent-subtle);
  font-weight: 600;
}
.announcement-modal .dialog__foot .btn:disabled { opacity: .55; }

.announcement-banner { align-items: center; }
.announcement-banner .btn { flex: none; }

.important-toggle { position: relative; display: block; cursor: pointer; }
.important-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.important-toggle__box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-1);
  color: var(--text-secondary);
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.important-toggle__box > .ic { margin-top: 2px; color: var(--text-muted); }
.important-toggle__box strong { display: block; color: var(--text-primary); margin-bottom: 4px; }
.important-toggle__text { display: block; font-size: 12px; line-height: 1.5; color: var(--text-muted); }
.important-toggle:hover .important-toggle__box { border-color: color-mix(in srgb, var(--danger) 50%, transparent); }
.important-toggle input:checked + .important-toggle__box { border-style: solid; border-color: var(--danger); background: var(--danger-subtle); }
.important-toggle input:checked + .important-toggle__box > .ic, .important-toggle input:checked + .important-toggle__box strong { color: var(--danger-fg); }
.important-toggle input:focus-visible + .important-toggle__box { box-shadow: var(--focus-ring); }

.announcement-read { max-width: 820px; }
.announcement-read__ribbon { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: var(--danger-fg); font: 600 12px/1.4 var(--font-sans); }
.announcement-read__title { font: var(--text-h1); margin-bottom: 16px; }
.announcement-read__text { color: var(--text-primary); font-size: 15px; line-height: 1.65; }
.announcement-read__confirm { align-items: center; flex-wrap: wrap; justify-content: flex-start; }

.ann-list { display: flex; flex-direction: column; gap: 10px; }
.ann-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; color: var(--text-primary); text-decoration: none; transition: border-color var(--dur-fast); }
.ann-card:hover { border-color: var(--border-gold); text-decoration: none; color: var(--text-primary); }
.ann-card.is-closed { opacity: .7; }
.ann-card__icon { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--danger-subtle); color: var(--danger-fg); }
.ann-card.is-closed .ann-card__icon { background: var(--surface-active); color: var(--text-muted); }
.ann-card__main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.ann-card__title { font: 600 15px/1.3 var(--font-sans); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ann-card__meta { font-size: 12px; color: var(--text-muted); }
.ann-card__progress { flex: none; width: 150px; display: flex; flex-direction: column; gap: 6px; align-items: flex-end; }
.ann-card__pct { font: 600 13px/1 var(--font-sans); }

.ann-bar { margin-bottom: 16px; }
.ann-bar__svg { display: block; width: 100%; height: 12px; border-radius: 99px; background: var(--surface-active); overflow: hidden; }
.ann-bar__seg--success { fill: var(--success); }
.ann-bar__seg--warning { fill: var(--warning); }
.ann-bar__seg--info { fill: var(--info); }
.ann-bar__seg--neutral { fill: var(--navy-500); }
.ann-bar__legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: 8px; font-size: 12px; color: var(--text-muted); }
.ann-bar__key { display: inline-flex; align-items: center; gap: 6px; }
.ann-bar__key::before { content: ""; width: 9px; height: 9px; border-radius: 2px; background: var(--k); }
.ann-bar__key b { color: var(--text-primary); font-family: var(--font-mono); }
.ann-bar__key--success { --k: var(--success); }
.ann-bar__key--warning { --k: var(--warning); }
.ann-bar__key--info { --k: var(--info); }
.ann-bar__key--neutral { --k: var(--navy-500); }

.ann-log { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 0; list-style: none; max-height: 520px; overflow-y: auto; }
.ann-log__item { --c: var(--text-muted); display: flex; align-items: flex-start; gap: 10px; font-size: 12px; color: var(--text-secondary); }
.ann-log__item--success { --c: var(--success-fg); }
.ann-log__item--warning { --c: var(--warning-fg); }
.ann-log__item--info { --c: var(--info-fg); }
.ann-log__icon { flex: none; display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: color-mix(in srgb, var(--c) 15%, transparent); color: var(--c); }
.ann-log__item b { color: var(--text-primary); font-weight: 600; }
.ann-log__ip { display: block; font: 400 10px/1.4 var(--font-mono); color: var(--text-disabled); }
.ann-log__time { flex: none; font: 400 12px/1.6 var(--font-sans); color: var(--text-muted); }

[data-theme="light"] .ann-bar__seg--neutral { fill: #C3CBD9; }
[data-theme="light"] .ann-bar__key--neutral { --k: #C3CBD9; }

@media (max-width: 640px) {
  .ann-card { flex-wrap: wrap; }
  .ann-card__progress { width: 100%; align-items: stretch; }
  .announcement-modal__text { max-height: 40vh; }
}
@media (prefers-reduced-motion: reduce) {
  .announcement-modal[open] { animation: none; }
}