/* ===== System announcements (paper / ink) ===== */
.announcements-btn {
  font: inherit;
  cursor: pointer;
  border: 1.5px solid var(--ink, #2a2a2a);
  background: var(--paper, #f7f1e6);
  color: var(--ink, #2a2a2a);
  border-radius: 999px;
  padding: 6px 12px;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.12);
  letter-spacing: 0.08em;
  white-space: nowrap;
  flex-shrink: 0;
}
.announcements-btn:hover {
  background: var(--chip-bg, #efe4c8);
}
.announcements-btn:focus-visible {
  outline: 2px solid var(--ink, #2a2a2a);
  outline-offset: 2px;
}

.announcements-modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 16, 12, 0.45);
  z-index: 85;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.announcements-modal[hidden] {
  display: none !important;
}

.announcements-dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(480px, 100%);
  /* CSS zoom (page-zoom.js) shrinks visual viewport; keep modal within it. */
  max-height: min(86vh, 100dvh - 32px);
  overflow: hidden;
  background: var(--paper, #f7f1e6);
  color: var(--ink, #222);
  border: 2px solid var(--line, #2a2a2a);
  border-radius: 16px;
  padding: 22px 18px 16px;
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.18);
}

.announcements-dialog h2 {
  margin: 0 28px 14px 0;
  font-family: var(--kaiti, "Kaiti SC", "KaiTi", serif);
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  font-weight: 600;
}

/* Title row: 「系统公告」 + small ⓘ (earlier notices). History view swaps in 「‹ 返回」. */
.announcements-head {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 40px 10px 0;
  min-height: 40px;
}
.announcements-dialog .announcements-head h2 {
  margin: 0;
  min-width: 0;
}
.announcements-info {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink, #2a2a2a);
  font: italic 700 0.8rem/1 Georgia, "Times New Roman", serif;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.announcements-info[hidden],
.announcements-back[hidden] {
  display: none;
}
.announcements-info::before {
  content: "";
  grid-area: 1 / 1;
  width: 20px;
  height: 20px;
  border: 1.6px solid var(--line, #2a2a2a);
  border-radius: 50% 46% 52% 48% / 48% 52% 46% 50%;
  background: var(--paper-2, #efe4cc);
}
.announcements-info > span {
  grid-area: 1 / 1;
  position: relative;
}
.announcements-info:active::before {
  background: var(--ink, #2a2a2a);
}
.announcements-info:active {
  color: var(--paper, #f7f1e6);
}
.announcements-info:focus-visible,
.announcements-back:focus-visible {
  outline: 2px solid var(--ink, #2a2a2a);
  outline-offset: 2px;
}
.announcements-back {
  flex: 0 0 auto;
  min-height: 40px;
  margin: 0 6px 0 -6px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--ink, #2a2a2a);
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
/* History view: only 关闭公告 (今日关闭 belongs to the popup). */
.announcements-modal[data-view="history"] #announcementsDismissToday {
  display: none;
}

.announcements-close-x {
  position: absolute;
  right: 10px;
  top: 8px;
  border: none;
  background: transparent;
  color: var(--ink, #222);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}

.announcements-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.announcements-item {
  border: 1.5px dashed var(--line, #3a3530);
  border-radius: 12px;
  padding: 12px 12px 10px;
  background: var(--paper-2, #efe4cc);
}

.announcements-item-title {
  margin: 0 0 4px;
  font-size: 1rem;
  font-family: var(--kaiti, "Kaiti SC", "KaiTi", serif);
  letter-spacing: 0.06em;
}

.announcements-item-time {
  display: block;
  font-size: 12px;
  color: var(--mute, #7a7064);
  margin-bottom: 6px;
}

.announcements-item-body {
  font-size: 0.95rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.announcements-empty {
  color: var(--mute, #7a7064);
  text-align: center;
  padding: 18px 8px;
  margin: 0 0 12px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

.announcements-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  flex-shrink: 0;
  padding-top: 4px;
  background: var(--paper, #f7f1e6);
}

.announcements-primary,
.announcements-secondary {
  font: inherit;
  cursor: pointer;
  border: 1.5px solid var(--ink, #2a2a2a);
  border-radius: 999px;
  padding: 7px 14px;
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
  color: var(--ink, #2a2a2a);
}
.announcements-primary {
  background: var(--wash, #c4a07a);
  color: var(--wash-ink, #3a3228);
}
.announcements-secondary {
  background: var(--paper, #f7f1e6);
}
.announcements-primary:hover,
.announcements-secondary:hover {
  filter: brightness(0.97);
}

@media (max-width: 640px) {
  .announcements-btn {
    padding: 6px 8px;
    font-size: 12px;
    min-height: 36px;
    letter-spacing: 0.04em;
    box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.1);
  }
  .announcements-actions {
    justify-content: stretch;
  }
  .announcements-primary,
  .announcements-secondary {
    flex: 1;
    text-align: center;
  }
}
@media (max-width: 420px) {
  .announcements-btn {
    padding: 6px 7px;
    font-size: 12px;
    letter-spacing: 0;
  }
}

[data-theme="dark"] .announcements-modal {
  background: rgba(0, 0, 0, 0.55);
}
[data-theme="dark"] .announcements-dialog {
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.45);
}
[data-theme="dark"] .announcements-item {
  background: var(--paper-2, #161410);
}
[data-theme="dark"] .announcements-info::before {
  background: var(--paper-2, #161410);
  border-color: var(--line, #efe6d4);
}
[data-theme="dark"] .announcements-info,
[data-theme="dark"] .announcements-back {
  color: var(--ink, #efe6d4);
}
[data-theme="dark"] .announcements-btn,
[data-theme="dark"] .announcements-secondary {
  background: var(--paper, #1c1a16);
  color: var(--ink, #efe6d4);
  border-color: var(--line, #efe6d4);
}
[data-theme="dark"] .announcements-primary {
  background: var(--wash, #c4a07a);
  color: var(--wash-ink, #3a3228);
}

/* Exit anim (≈200ms): keep the leaving overlay hit-testable so a fast
   double-tap on 关闭公告 is absorbed instead of falling through to the
   chrome underneath (e.g. 登录). Handlers no-op while .is-leaving. */
.announcements-modal.is-leaving {
  pointer-events: auto !important;
}