.announcement-dialog {
    --announcement-blue: var(--primary-color, var(--primary, #2563eb));
    box-sizing: border-box;
    width: min(520px, calc(100% - 32px));
    max-height: min(720px, calc(100dvh - 48px));
    padding: 0;
    margin: auto;
    inset: 0;
    border: 1px solid rgba(148, 163, 184, .18);
    border-radius: 20px;
    background: #fff;
    color: #334155;
    box-shadow: 0 24px 80px rgba(15, 23, 42, .18);
    overflow: hidden;
    font-family: inherit;
}
.announcement-dialog::backdrop { background: rgba(15, 23, 42, .35); }
.announcement-layout { display: flex; flex-direction: column; max-height: inherit; }
.announcement-heading { position: relative; padding: 28px 32px 20px; flex-shrink: 0; }
.announcement-label { color: var(--announcement-blue); font-size: 12px; font-weight: 600; letter-spacing: .08em; }
.announcement-title { margin: 0 30px 8px 0; font-size: 22px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere; }
.announcement-title:focus { outline: none; }
.announcement-label + .announcement-title { margin-top: 10px; }
.announcement-date { color: #94a3b8; font-size: 12px; }
.announcement-dismiss { position: absolute; top: 24px; right: 24px; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 8px; background: transparent; color: #94a3b8; cursor: pointer; font-size: 23px; }
.announcement-dismiss:hover { color: #475569; background: #f1f5f9; }
.announcement-body { padding: 0 32px 24px; overflow-y: auto; overscroll-behavior: contain; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; font-size: 14px; min-height: 0; }
.announcement-footer { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px; padding: 16px 32px 22px; border-top: 1px solid #f1f5f9; flex-shrink: 0; }
.announcement-status { margin: 0; flex-basis: 100%; color: #b45309; font-size: 12px; line-height: 1.6; }
.announcement-status:empty { display: none; }
.announcement-button { min-height: 38px; padding: 9px 22px; border: 1px solid transparent; border-radius: 10px; font: inherit; font-size: 14px; font-weight: 500; cursor: pointer; white-space: nowrap; flex-shrink: 0; background: var(--announcement-blue, var(--primary, #2563eb)); color: #fff; }
.announcement-button:hover { filter: brightness(.96); }
.announcement-button:disabled { cursor: wait; opacity: .55; }
.announcement-button.secondary { background: #f8fafc; border-color: #e2e8f0; color: #475569; }
.announcement-button:focus-visible, .announcement-dismiss:focus-visible { outline: 3px solid #bfdbfe; outline-offset: 3px; }
.announcement-admin[hidden] { display: none; }
.announcement-admin { margin-top: 24px; }
.announcement-admin-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.announcement-admin-header h2 { margin: 0 0 8px; font-size: 22px; }
.announcement-admin-header p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.announcement-workspace { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; }
.announcement-list, .announcement-editor { padding: 22px; background: #fff; border: 1px solid #e2e8f0; border-radius: 14px; }
.announcement-list { padding: 10px; align-self: start; max-height: 650px; overflow-y: auto; }
.announcement-list-item { width: 100%; text-align: left; padding: 14px 12px; border: 0; border-radius: 9px; background: transparent; cursor: pointer; color: #334155; font: inherit; }
.announcement-list-item:hover { background: #f8fafc; }
.announcement-list-item.selected { background: #eff6ff; color: var(--primary); }
.announcement-list-title { display: block; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.announcement-list-meta { display: block; font-size: 12px; color: #94a3b8; margin-top: 6px; }
.announcement-editor label { display: block; margin: 0 0 18px; font-size: 13px; color: #64748b; }
.announcement-editor input, .announcement-editor textarea { box-sizing: border-box; display: block; width: 100%; margin-top: 8px; border: 1px solid #e2e8f0; border-radius: 9px; padding: 12px 14px; font: inherit; color: #334155; background: #fff; outline: none; }
.announcement-editor textarea { min-height: 300px; line-height: 1.8; resize: vertical; }
.announcement-editor input:focus, .announcement-editor textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px #eff6ff; }
.announcement-editor-meta { min-height: 20px; margin-bottom: 18px; font-size: 12px; color: #64748b; }
.announcement-editor-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.announcement-editor-actions .withdraw { margin-left: auto; background: #fff; color: #64748b; border-color: #e2e8f0; }
.announcement-admin-message { font-size: 13px; min-height: 20px; margin: 14px 0 0; color: var(--primary); }
.announcement-admin-message.error { color: #dc2626; }
.announcement-empty { padding: 20px; color: #94a3b8; font-size: 13px; line-height: 1.7; }
@media (max-width: 640px) {
    .announcement-heading { padding: 24px 24px 18px; }
    .announcement-title { font-size: 20px; }
    .announcement-body { padding: 0 24px 20px; }
    .announcement-footer { padding: 16px 24px 20px; }
    .announcement-workspace { grid-template-columns: minmax(0, 1fr); }
    .announcement-list { max-height: 220px; }
    .announcement-editor { padding: 18px; }
    .announcement-admin-header { align-items: flex-start; }
}