/* ==================================================
   首頁公告 Popup
   - 獨立於既有活動內容視窗，避免互相影響
   ================================================== */

.announcement-popup {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(55, 23, 20, .68);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.announcement-panel {
  position: relative;
  width: min(650px, 100%);
  max-height: min(86svh, 760px);
  overflow-y: auto;
  border: 3px solid var(--color-red);
  border-radius: 28px;
  background:
    radial-gradient(circle at 0 0, rgba(236, 180, 171, .30), transparent 34%),
    radial-gradient(circle at 100% 25%, rgba(241, 213, 137, .28), transparent 36%),
    var(--color-paper);
  box-shadow: 0 30px 90px rgba(46, 16, 13, .40);
  animation: announcement-in .28s ease-out;
}

.announcement-content {
  padding: 48px 58px 46px;
  text-align: center;
}

.announcement-label {
  margin: 0 0 12px;
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .22em;
}

.announcement-content h2 {
  margin: 0 0 24px;
  color: var(--color-red-dark);
  font: 900 clamp(28px, 4vw, 40px)/1.35 "Noto Serif TC", "PingFang TC", "Microsoft JhengHei", serif;
}

.announcement-text {
  color: var(--color-ink);
  font-size: 17px;
  line-height: 1.9;
  text-align: left;
}

.announcement-text p {
  margin: 0 0 18px;
}

.announcement-text p:last-child {
  margin-bottom: 0;
}

.announcement-text strong {
  color: var(--color-red-dark);
  font-weight: 900;
}

.announcement-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  color: var(--color-red-dark);
  background: rgba(255, 250, 240, .94);
  font-size: 29px;
  line-height: 1;
  cursor: pointer;
  transition: .2s ease;
}

.announcement-close:hover {
  color: var(--color-white);
  background: var(--color-red);
  transform: rotate(90deg);
}

.announcement-button {
  min-width: 160px;
  min-height: 48px;
  margin-top: 10px;
  padding: 0 28px;
  border: 0;
  border-radius: var(--radius-button);
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-red), #b43a3c);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(152, 37, 43, .22);
  transition: .2s ease;
}

.announcement-button:hover {
  transform: translateY(-2px);
}

.announcement-close:focus-visible,
.announcement-button:focus-visible {
  outline: 3px solid #e4ad45;
  outline-offset: 3px;
}

body.announcement-open {
  overflow: hidden;
}

@keyframes announcement-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 700px) {
  .announcement-popup {
    padding: 12px;
  }

  .announcement-panel {
    width: 100%;
    max-height: calc(100svh - 24px);
    border-width: 2px;
    border-radius: 22px;
  }

  .announcement-content {
    padding: 44px 25px 30px;
  }

  .announcement-label {
    font-size: 12px;
    letter-spacing: .16em;
  }

  .announcement-content h2 {
    margin-bottom: 20px;
    font-size: 28px;
  }

  .announcement-text {
    font-size: 16px;
    line-height: 1.85;
  }

  .announcement-close {
    top: 9px;
    right: 9px;
    width: 38px;
    height: 38px;
    font-size: 27px;
  }

  .announcement-button {
    width: 100%;
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .announcement-panel {
    animation: none;
  }
}