:root {
  color-scheme: light;
  --warm-white: #f7f6f2;
  --navy: #1a2b5c;
  --navy-muted: #56627a;
  --gold: #ffca28;
  --line: #dfe1e5;
  --error: #9b2c2c;
  --page-width: 920px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--warm-white);
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--warm-white);
  color: var(--navy);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

.page-shell {
  width: min(100% - 40px, var(--page-width));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .page-shell {
  display: flex;
  align-items: center;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--navy);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  width: 9px;
  height: 9px;
  margin-right: 1px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgb(255 202 40 / 18%);
}

.brand-separator {
  color: var(--navy-muted);
  font-weight: 600;
}

main {
  min-height: calc(100vh - 145px);
  padding: 64px 0 80px;
}

.overview {
  margin-bottom: 36px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--navy-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.85rem, 4vw, 2.45rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.date-range,
.result-count,
.stale-notice {
  margin: 10px 0 0;
  color: var(--navy-muted);
}

.result-count {
  font-size: 0.95rem;
  font-weight: 600;
}

.stale-notice {
  max-width: 58ch;
  color: #7b5f00;
  font-size: 0.9rem;
}

.announcement-area {
  min-height: 180px;
}

.state-message {
  margin: 0;
  color: var(--navy-muted);
}

.state-message--error {
  color: var(--error);
}

.state-message--error p {
  margin: 0 0 16px;
}

.announcement-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.announcement-item {
  padding: 22px 0 23px;
  border-top: 1px solid var(--line);
}

.announcement-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.announcement-date {
  display: block;
  margin-bottom: 4px;
  color: var(--navy-muted);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

.announcement-title {
  margin: 0;
  color: var(--navy);
  font-size: 1.08rem;
  font-weight: 650;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.announcement-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-top: 8px;
  color: var(--navy-muted);
  font-size: 0.88rem;
}

.announcement-source {
  display: inline-flex;
  align-items: baseline;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.announcement-source a {
  color: var(--navy);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.announcement-source a:focus-visible,
.brand:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding-top: 30px;
}

.page-status {
  min-width: 5.5em;
  color: var(--navy-muted);
  font-size: 0.9rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.button {
  min-height: 40px;
  padding: 7px 14px;
  border: 1px solid var(--navy);
  border-radius: 4px;
  background: transparent;
  color: var(--navy);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
}

.button:hover:not(:disabled) {
  background: rgb(26 43 92 / 7%);
}

.button:disabled {
  border-color: #b8bdc8;
  color: #8d95a5;
  cursor: not-allowed;
}

.site-footer {
  padding: 20px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--navy-muted);
  font-size: 0.8rem;
}

#updated-at {
  display: inline-block;
}

[hidden] {
  display: none !important;
}

@media (max-width: 560px) {
  .page-shell {
    width: min(100% - 28px, var(--page-width));
  }

  .site-header .page-shell {
    min-height: 60px;
  }

  main {
    min-height: calc(100vh - 133px);
    padding: 42px 0 56px;
  }

  .overview {
    margin-bottom: 28px;
  }

  .announcement-item {
    padding: 18px 0 19px;
  }

  .pagination {
    gap: 8px;
  }

  .button {
    min-height: 42px;
    padding-right: 11px;
    padding-left: 11px;
  }
}