.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: 10px 16px; border: 1px solid transparent; border-radius: var(--radius-md); color: #fff; background: var(--brand-700); font-weight: 800; text-decoration: none; }
.button:hover { background: var(--brand-800); }
.button--water { background: var(--water-700); }
.button--water:hover { background: #00497e; }
.button--light { color: var(--ink-900); border-color: var(--border); background: var(--surface-card); }
.button--light:hover { background: var(--surface-soft); }

.card { border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-card); box-shadow: var(--shadow-sm); }

.page-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-6); }
.page-heading p { margin-top: var(--space-2); color: var(--ink-600); }

.form-field { display: grid; gap: var(--space-2); }
.form-field label { font-weight: 700; }
.form-field input, .form-field select, .form-field textarea { min-height: 48px; width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--ink-900); background: var(--surface-card); }

.status { padding: var(--space-4); border-radius: var(--radius-md); background: var(--surface-soft); }
.status--error { color: var(--danger); background: #fff0ef; }
.status--success { color: var(--brand-800); background: var(--success-soft); }

.skip-link { position: absolute; top: 8px; left: 8px; z-index: 20; padding: 10px 14px; border-radius: var(--radius-sm); color: #fff; background: var(--brand-800); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

/* Announcement Modal */
.announcement-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(23, 18, 38, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.3s ease-out;
}
.announcement-modal {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  box-shadow: 0 24px 48px rgba(0,0,0,0.2);
  animation: scaleUp 0.3s ease-out;
}
.announcement-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.announcement-modal h2 {
  font-size: 20px;
  font-weight: 900;
  color: var(--brand-800);
  margin-bottom: 12px;
}
.announcement-modal p {
  font-size: 15px;
  color: var(--ink-600);
  line-height: 1.5;
  margin-bottom: 24px;
}
.announcement-modal .button {
  width: 100%;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleUp { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }