.post-list{background:var(--color-bg-secondary);border-radius:12px;border:1px solid var(--color-border);padding:0 1rem;transition:background .2s,border-color .2s}.post-list-empty{text-align:center;padding:3rem 1rem;color:var(--color-text-secondary);font-size:.95rem}.board-page{max-width:900px;margin:0 auto}.board-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.board-title{font-size:1.4rem;font-weight:700;color:var(--color-text);margin:0}.board-not-found{text-align:center;padding:4rem 1rem;color:var(--color-text-secondary)}.board-not-found h2{font-size:3rem;color:#d1d5db;margin:0}.board-error{text-align:center;color:#dc2626;margin-top:1rem}