/* ========================= 通告中心 ========================= */
.notice-entry { position: relative; }
.notice-badge { position: absolute; right: -5px; top: -5px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; display: grid; place-items: center; color: #fff; background: var(--danger); font-size: 10px; font-weight: 800; box-shadow: 0 0 0 2px var(--surface); }
.notice-badge[hidden] { display: none; }
.announcement-banner {
  position: fixed; z-index: 86; left: 50%; top: calc(var(--header-h) + 12px); width: min(860px, calc(var(--app-vw) - 24px));
  transform: translateX(-50%); display: grid; grid-template-columns: 40px minmax(0,1fr) auto; align-items: center; gap: 12px;
  padding: 13px 15px; border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border)); border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 94%, transparent); box-shadow: var(--shadow-lg); backdrop-filter: blur(16px);
  animation: noticeDrop .32s var(--ease) both;
}
.announcement-banner[hidden] { display: none; }
.announcement-banner.warning { border-color: color-mix(in srgb, var(--warn) 48%, var(--border)); }
.announcement-banner.important { border-color: color-mix(in srgb, var(--danger) 52%, var(--border)); }
.announcement-bell { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 13px; color: var(--accent); background: var(--accent-soft); }
.announcement-banner.important .announcement-bell { color: var(--danger); background: var(--danger-soft); }
.announcement-banner b { display: block; font-size: 14px; }
.announcement-banner p { margin: 2px 0 0; color: var(--text-2); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@keyframes noticeDrop { from { opacity: 0; transform: translate(-50%,-12px); } to { opacity: 1; transform: translate(-50%,0); } }
.announcement-modal { display: grid; opacity: 0; pointer-events: none; transition: opacity .22s var(--ease); }
.announcement-modal.show { opacity: 1; pointer-events: auto; }
.announcement-dialog { max-width: 620px; max-height: 82vh; overflow: auto; }
.announcement-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.announcement-time { color: var(--text-3); font-size: 12px; }
.announcement-dialog h2 { margin: 16px 0 10px; font-size: 21px; }
.announcement-body { white-space: pre-wrap; color: var(--text-2); font-size: 14px; line-height: 1.9; }
.announcement-dialog-foot { margin-top: 22px; display: flex; justify-content: flex-end; }
.announcement-page { max-width: 900px; }
.announcement-list { display: grid; gap: 11px; }
.announcement-item { padding: 17px 19px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-xs); cursor: pointer; transition: all .2s var(--ease); }
.announcement-item:hover { transform: translateY(-2px); border-color: var(--border-2); box-shadow: var(--shadow-sm); }
.announcement-item.unread { border-left: 4px solid var(--accent); }
.announcement-item.important.unread { border-left-color: var(--danger); }
.announcement-item.read { opacity: .78; }
.announcement-item-top { display: flex; align-items: center; gap: 8px; }
.announcement-item-top time { margin-left: auto; color: var(--text-3); font-size: 11.5px; }
.announcement-item h3 { margin: 10px 0 5px; font-size: 16px; }
.announcement-item p { margin: 0; color: var(--text-2); font-size: 13px; line-height: 1.7; }
.read-state { font-size: 11px; font-weight: 700; }
.read-state.unread { color: var(--accent); }
.read-state.read { color: var(--text-3); }
.permission-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; margin-bottom: 16px; }
.permission-toggle { display: flex; align-items: center; gap: 10px; padding: 13px 14px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface-2); cursor: pointer; }
.permission-toggle input { width: 18px; height: 18px; accent-color: var(--brand); }
.permission-toggle b { display: block; font-size: 13.5px; }
.permission-toggle small { display: block; color: var(--text-3); font-size: 10.5px; }
.announcement-form-grid { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 12px; }
.announcement-admin-list { display: grid; gap: 9px; margin-top: 18px; }
.announcement-admin-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-2); }
.announcement-admin-row > div { flex: 1; min-width: 0; }
.announcement-admin-row b { font-size: 13.5px; }
.announcement-admin-row p { margin: 3px 0; color: var(--text-2); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.announcement-admin-row small { color: var(--text-3); font-size: 11px; }
@media (max-width: 820px) {
  .announcement-banner { top: calc(var(--header-h) + 8px); grid-template-columns: 34px minmax(0,1fr); padding: 11px 12px; border-radius: 14px; }
  .announcement-bell { width: 34px; height: 34px; border-radius: 11px; }
  .announcement-banner .btn { grid-column: 1 / -1; width: 100%; }
  .permission-grid { grid-template-columns: 1fr; }
  .announcement-form-grid { grid-template-columns: 1fr; }
  .announcement-admin-row { align-items: flex-start; flex-direction: column; }
  .announcement-admin-row .btn { width: 100%; }
}

/* ---------------- 首次进入选择页 ---------------- */
.entry-gate {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: grid;
  place-items: center;
  padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
  overflow: auto;
  background:
    radial-gradient(circle at 15% 8%, color-mix(in srgb, var(--brand) 20%, transparent), transparent 34%),
    radial-gradient(circle at 88% 92%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 34%),
    color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s var(--ease);
}
.entry-gate.show { opacity: 1; pointer-events: auto; }
body.entry-gate-open { overflow: hidden; }
.entry-shell {
  width: min(520px, 100%);
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--border) 80%, var(--brand));
  border-radius: 24px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: var(--shadow-lg);
}
.entry-brand, .entry-guest { display: flex; align-items: center; gap: 12px; }
.entry-mark {
  width: 42px; height: 42px; display: grid; place-items: center;
  flex: none; border-radius: 14px; color: #fff; font-size: 18px; font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 8px 20px color-mix(in srgb, var(--brand) 22%, transparent);
}
.entry-brand b { display: block; font-size: 14px; }
.entry-brand small { display: block; margin-top: 2px; color: var(--text-3); font-size: 11.5px; }
.entry-welcome { margin: 24px 0 18px; }
.entry-welcome h2 { margin: 5px 0 7px; font-size: 24px; letter-spacing: -.03em; }
.entry-welcome p { margin: 0; color: var(--text-2); font-size: 13px; line-height: 1.75; }
.entry-kicker { color: var(--brand); font-family: var(--mono); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.entry-guest {
  width: 100%; padding: 13px 14px; border: 1px solid color-mix(in srgb, var(--brand) 35%, var(--border));
  border-radius: 15px; color: var(--text); background: color-mix(in srgb, var(--brand) 7%, var(--surface)); cursor: pointer;
  text-align: left; transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.entry-guest:hover { transform: translateY(-2px); border-color: var(--brand); }
.entry-guest-icon { width: 36px; height: 36px; display: grid; place-items: center; flex: none; border-radius: 12px; color: var(--brand); background: var(--brand-soft); font-weight: 800; }
.entry-guest b { display: block; font-size: 13.5px; }
.entry-guest small { display: block; margin-top: 2px; color: var(--text-3); font-size: 11px; }
.entry-arrow { margin-left: auto; color: var(--brand); font-size: 18px; }
.entry-divider { display: flex; align-items: center; gap: 10px; margin: 18px 0 13px; color: var(--text-3); font-size: 11px; }
.entry-divider::before, .entry-divider::after { content: ''; height: 1px; flex: 1; background: var(--border); }
.entry-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; margin-bottom: 14px; padding: 4px; border-radius: 12px; background: var(--surface-2); }
.entry-tabs button { padding: 9px 8px; border: 0; border-radius: 9px; color: var(--text-2); background: transparent; cursor: pointer; font: inherit; font-size: 13px; font-weight: 700; }
.entry-tabs button.active { color: var(--brand); background: var(--surface); box-shadow: var(--shadow-xs); }
.entry-shell .field { margin-bottom: 12px; }
.entry-shell .field[hidden] { display: none; }
.entry-shell .input { width: 100%; box-sizing: border-box; }
.entry-error { min-height: 18px; margin: 3px 0 8px; color: var(--danger); font-size: 12px; }
.entry-submit { width: 100%; }
.entry-foot { margin: 14px 0 0; color: var(--text-3); font-size: 11px; text-align: center; }
.permission-group-title { margin-bottom: 9px; color: var(--text); font-size: 13px; font-weight: 800; }
.permission-note { margin-top: 9px; padding: 10px 12px; border-radius: 10px; color: var(--text-2); background: var(--surface-2); font-size: 11.5px; line-height: 1.65; }
@media (max-width: 600px) {
  .entry-shell { padding: 19px; border-radius: 20px; }
  .entry-welcome { margin-top: 19px; }
  .entry-welcome h2 { font-size: 21px; }
  .entry-guest small { max-width: 210px; }
}