.source-warning {
  margin: 18px 0;
  padding: 12px 15px;
  border-left: 3px solid #d79a26;
  background: #fff7e7;
  color: #805d1d;
  font-size: 13px;
}

.toc-toggle,
.toc-close,
.toc-backdrop {
  display: none;
}

.entry-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.entry-grid a {
  display: block;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.entry-grid a:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.entry-grid span {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--blue);
}

.entry-grid h2 {
  font: 700 25px/1.35 var(--serif);
}

.entry-grid p {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .entry-grid { grid-template-columns: 1fr; }

  .toc-toggle {
    display: block;
    position: fixed;
    left: 14px;
    bottom: 18px;
    z-index: 45;
    border: 0;
    border-radius: 999px;
    padding: 11px 17px;
    background: var(--blue);
    color: #fff;
    box-shadow: 0 8px 28px rgba(23, 45, 88, .28);
    font: 600 14px var(--sans);
    cursor: pointer;
  }

  .toc {
    display: block;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 60;
    width: min(88vw, 340px);
    height: 100dvh;
    padding-top: 62px;
    transform: translateX(-105%);
    transition: transform .22s ease;
    box-shadow: 18px 0 45px rgba(20, 37, 69, .2);
  }

  .toc.open {
    transform: translateX(0);
  }

  .toc-close {
    display: block;
    position: absolute;
    top: 12px;
    right: 14px;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 50%;
    background: var(--pale);
    color: var(--ink);
    font-size: 25px;
    cursor: pointer;
  }

  .toc-backdrop {
    position: fixed;
    inset: 0;
    z-index: 55;
    background: rgba(10, 24, 48, .45);
  }

  .toc-backdrop:not([hidden]) {
    display: block;
  }

  body.toc-open {
    overflow: hidden;
  }
}