:root{color-scheme:light;--bg: #f7f7f8;--card: #ffffff;--border: #e2e2e6;--text: #1a1a1e;--muted: #6b6b73;--accent: #2563eb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}.shell{max-width:900px;margin:0 auto;padding:0 1.5rem 3rem}.nav{display:flex;align-items:center;gap:1.5rem;padding:1.25rem 0;border-bottom:1px solid var(--border);margin-bottom:1.5rem}.nav a{color:var(--text);text-decoration:none}.brand{font-weight:700;margin-right:auto}.link-button{margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:inherit}button{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:.5rem 1rem;cursor:pointer;font-size:.9rem}button:disabled{opacity:.5;cursor:default}input,select,textarea{width:100%;padding:.5rem;border:1px solid var(--border);border-radius:6px;font-size:.9rem;font-family:inherit;background:#fff;color:var(--text)}label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted);margin-bottom:.75rem}.toolbar{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.toolbar select{width:auto}.muted{color:var(--muted);font-size:.85rem}.error{color:#c0362c;background:#fdecea;padding:.5rem .75rem;border-radius:6px}.thread-list,.broadcast-list,.message-list{list-style:none;padding:0;margin:0}.thread-list li a{text-decoration:none;color:inherit}.thread-row,.broadcast-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:.9rem 1rem;margin-bottom:.6rem}.thread-meta{display:flex;flex-direction:column;align-items:flex-end;gap:.3rem}.badge{display:inline-block;font-size:.7rem;text-transform:uppercase;letter-spacing:.03em;padding:.15rem .5rem;border-radius:999px;background:#e5e7eb;color:#374151}.badge-open{background:#dcfce7;color:#166534}.badge-closed{background:#f3f4f6;color:#6b7280}.badge-review_prompt{background:#fef3c7;color:#92400e}.badge-message{background:#dbeafe;color:#1e40af}.message{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:.75rem 1rem;margin-bottom:.6rem}.message-admin{border-left:3px solid var(--accent)}.message-meta{display:flex;justify-content:space-between;margin-bottom:.3rem;font-size:.8rem}.reply-form{display:flex;gap:.5rem;align-items:flex-start;margin-top:1rem}.reply-form textarea{flex:1}.broadcast-form,.broadcast-row{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:1rem}.broadcast-form{margin-bottom:2rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}.key-reveal{background:#fef3c7;border:1px solid #fbbf24;border-radius:8px;padding:1rem;margin-bottom:1.5rem}.key-reveal code{display:block;background:#fff;border:1px solid var(--border);border-radius:6px;padding:.6rem .75rem;margin:.5rem 0 .75rem;word-break:break-all;font-size:.9rem}.login{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:2rem;width:100%;max-width:360px}.login-card h1{font-size:1.2rem;margin-top:0}