/* Archive page */
.arc-filters { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: var(--space-lg); }
.arc-count { font-family: var(--font-body); font-size: 0.85rem; color: var(--ink-soft); margin-left: 0.5rem; white-space: nowrap; }
.arc-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.6rem; }
.arc-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.8rem 1rem;
  background: var(--paper);
  border: 1px solid var(--cream);
  border-radius: 8px;
  min-height: 6rem;
  transition: border-color 0.2s, transform 0.15s;
}
.arc-item:hover { border-color: var(--accent); transform: translateY(-2px); }
.arc-num { font-family: var(--font-display); font-size: 1.5rem; line-height: 1; }
.arc-meta { font-size: 0.8rem; color: var(--ink-soft); display: flex; align-items: center; gap: 0.4rem; }
.arc-status { font-size: 0.78rem; font-weight: 600; margin-top: auto; }
.arc-item.is-solved { background: #f0f7f1; border-color: #b9dcbf; }
.arc-item.is-solved .arc-status { color: #1f5d2a; }
.arc-item.is-started .arc-status { color: #7a5200; }
.arc-item.is-today { border: 2px solid var(--accent); }
.arc-today { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }