/* Public announcements: /announcements and /announcements/<slug> */
.page-announcement {
  --ann-max: 72rem;
  --ann-article-max: 46rem;
  --ann-pad-x: clamp(1.25rem, 4.5vw, 2.5rem);
  --ann-glass: rgba(15, 23, 42, 0.55);
  --ann-glass-border: rgba(148, 163, 184, 0.18);
  --ann-text: #e2e8f0;
  --ann-muted: #94a3b8;
  --ann-accent-start: #3b82f6;
  --ann-accent-end: #a855f7;
  --ann-danger: #f87171;
  --ann-success: #34d399;
  --ann-nav-offset: calc(clamp(4.25rem, 11vw, 5rem) + 2rem);
}

.announcement-skip {
  position: absolute;
  left: -9999px;
  top: 0.5rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  background: #fff;
  color: #0f172a;
}

.announcement-skip:focus {
  left: 0.75rem;
}

.announcement-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.announcement-page {
  min-height: 70vh;
  padding: var(--ann-nav-offset) var(--ann-pad-x) clamp(3rem, 8vw, 5rem);
  color: var(--ann-text);
  outline: none;
}

.announcement-preview-banner {
  max-width: var(--ann-article-max);
  margin: 0 auto 1.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(251, 191, 36, 0.45);
  border-radius: 0.75rem;
  background: rgba(251, 191, 36, 0.1);
  color: #fde68a;
  font-size: 0.9rem;
}

.announcement-hero {
  max-width: var(--ann-max);
  margin: 0 auto clamp(2rem, 5vw, 3rem);
  text-align: center;
}

.announcement-hero--detail {
  max-width: var(--ann-article-max);
  text-align: left;
  margin-bottom: 1.75rem;
}

.announcement-eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #93c5fd;
}

.announcement-title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.15;
  font-weight: 800;
  color: #fff;
  overflow-wrap: anywhere;
}

.announcement-lead {
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.65;
  color: var(--ann-muted);
}

/* Index grid */
.announcement-list {
  max-width: var(--ann-max);
  margin: 0 auto;
}

.announcement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.announcement-card {
  border: 1px solid var(--ann-glass-border);
  border-radius: 1.1rem;
  background: var(--ann-glass);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.announcement-card:hover,
.announcement-card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.45);
  box-shadow: 0 16px 40px rgba(59, 130, 246, 0.18);
}

.announcement-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.announcement-card__link:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: -2px;
}

.announcement-card__image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: rgba(30, 41, 59, 0.8);
}

.announcement-card__image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: rgba(147, 197, 253, 0.55);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(168, 85, 247, 0.18));
}

.announcement-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.35rem 1.4rem;
}

.announcement-card__date {
  font-size: 0.8rem;
  color: var(--ann-muted);
}

.announcement-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.announcement-hero--detail .announcement-badges {
  margin-bottom: 0.85rem;
}

.announcement-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.announcement-badge--active {
  border-color: rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
}

.announcement-badge--upcoming {
  border-color: rgba(96, 165, 250, 0.45);
  background: rgba(96, 165, 250, 0.12);
  color: #93c5fd;
}

.announcement-badge--ended {
  border-color: rgba(148, 163, 184, 0.35);
  background: rgba(148, 163, 184, 0.1);
  color: #cbd5e1;
}

.announcement-badge--new {
  color: #fff;
  background: linear-gradient(135deg, var(--ann-accent-start), var(--ann-accent-end));
}

.announcement-schedule {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.85rem;
  font-size: 0.8rem;
  color: var(--ann-muted);
}

.announcement-schedule i {
  color: #93c5fd;
}

.announcement-schedule--detail {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.announcement-cta-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 2rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--ann-glass-border);
  border-radius: 0.9rem;
  background: var(--ann-glass);
  color: var(--ann-text);
}

.announcement-cta-notice p {
  margin: 0;
  line-height: 1.6;
}

.announcement-cta-notice i {
  margin-top: 0.25rem;
}

.announcement-cta-notice--upcoming i {
  color: #93c5fd;
}

.announcement-cta-notice--ended i {
  color: var(--ann-muted);
}

.announcement-card__title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.35;
  color: #fff;
  overflow-wrap: anywhere;
}

.announcement-card__summary {
  margin: 0;
  color: var(--ann-muted);
  line-height: 1.6;
}

.announcement-card__more {
  margin-top: auto;
  padding-top: 0.5rem;
  font-weight: 600;
  color: #93c5fd;
}

.announcement-empty {
  max-width: 32rem;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--ann-glass-border);
  border-radius: 1.1rem;
  text-align: center;
  color: var(--ann-muted);
}

.announcement-empty i {
  font-size: 2rem;
  color: #93c5fd;
}

.announcement-empty h2 {
  margin: 1rem 0 0.5rem;
  font-size: 1.3rem;
  color: #fff;
}

.announcement-empty a,
.announcement-back a,
.announcement-breadcrumb a {
  color: #93c5fd;
}

/* Detail */
.announcement-article {
  max-width: var(--ann-article-max);
  margin: 0 auto;
}

.announcement-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--ann-muted);
}

.announcement-breadcrumb [aria-current] {
  overflow: hidden;
  max-width: 100%;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.announcement-figure {
  margin: 0 0 2rem;
}

.announcement-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 32rem;
  object-fit: cover;
  border: 1px solid var(--ann-glass-border);
  border-radius: 1.1rem;
}

.announcement-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #cbd5e1;
  overflow-wrap: anywhere;
}

.announcement-body p {
  margin: 0 0 1.25rem;
}

.announcement-cta {
  margin: 2rem 0;
}

.announcement-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0.8rem 1.6rem;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.announcement-btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--ann-accent-start), var(--ann-accent-end));
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 12px 40px rgba(168, 85, 247, 0.35);
}

.announcement-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12), 0 18px 50px rgba(59, 130, 246, 0.4);
}

.announcement-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.announcement-btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Form */
.announcement-form-section {
  margin: 2.5rem 0;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--ann-glass-border);
  border-radius: 1.25rem;
  background: var(--ann-glass);
}

.announcement-form-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  color: #fff;
}

.announcement-form-description {
  margin: 0 0 1.25rem;
  color: var(--ann-muted);
  line-height: 1.6;
}

.announcement-form__required-note {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  color: var(--ann-muted);
}

.announcement-field {
  margin-bottom: 1.15rem;
}

.announcement-label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: #e2e8f0;
}

.announcement-req {
  color: var(--ann-danger);
}

.announcement-field input:not([type="checkbox"]),
.announcement-field select,
.announcement-field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 0.7rem;
  background: rgba(2, 6, 23, 0.55);
  color: #f8fafc;
  font: inherit;
  font-size: 1rem;
}

.announcement-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.announcement-field select option {
  color: #0f172a;
}

.announcement-field input:focus,
.announcement-field select:focus,
.announcement-field textarea:focus {
  outline: none;
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.3);
}

.announcement-field [aria-invalid="true"] {
  border-color: var(--ann-danger);
}

.announcement-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  line-height: 1.5;
}

.announcement-check input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: #6366f1;
}

.announcement-help {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--ann-muted);
}

.announcement-error {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--ann-danger);
}

.announcement-hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.announcement-form__status {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.7rem;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fecaca;
}

.announcement-success {
  padding: 1.5rem;
  border: 1px solid rgba(52, 211, 153, 0.4);
  border-radius: 1rem;
  background: rgba(52, 211, 153, 0.08);
  text-align: center;
  outline: none;
}

.announcement-success i {
  font-size: 2rem;
  color: var(--ann-success);
}

.announcement-success p {
  margin: 0.75rem 0 0;
  white-space: pre-line;
}

.announcement-success__ref {
  font-size: 0.85rem;
  color: var(--ann-muted);
}

.announcement-back {
  margin: 2.5rem 0 0;
}

@media (max-width: 640px) {
  .announcement-btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .announcement-card,
  .announcement-btn {
    transition: none;
  }

  .announcement-card:hover,
  .announcement-card:focus-within,
  .announcement-btn--primary:hover {
    transform: none;
  }
}