*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f0f2f5;color:#333;line-height:1.6}:root{--primary:#1a5276;--accent:#27ae60;--danger:#e74c3c;--warn:#f39c12;--bg:#f0f2f5;--card:#fff;--border:#ddd}.container{max-width:1000px;margin:0 auto;padding:16px}header{background:var(--primary);color:#fff;padding:12px 24px;display:flex;justify-content:space-between;align-items:center}header h1{font-size:1.25em}header nav a,header nav button{color:#fff;margin-left:12px;text-decoration:none;background:none;border:1px solid rgba(255,255,255,.3);padding:4px 12px;border-radius:4px;cursor:pointer;font-size:.85em}.card{background:var(--card);padding:20px;border-radius:8px;box-shadow:0 1px 3px #00000014;margin-bottom:16px}input,textarea,button,select{padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:.95em}textarea{width:100%;resize:vertical;min-height:60px;font-family:inherit}button.btn{background:var(--primary);color:#fff;border:none;cursor:pointer;font-weight:500}button.btn:hover{opacity:.9}button.btn.green{background:var(--accent)}button.btn.red{background:var(--danger)}button.btn:disabled{opacity:.5;cursor:not-allowed}.badge{padding:2px 8px;border-radius:3px;font-size:.75em;font-weight:700;color:#fff}.badge.high{background:#27ae60}.badge.medium{background:#f39c12}.badge.low{background:#e67e22}.badge.uncertain{background:#95a5a6}.stance{padding:10px 14px;margin:8px 0;border-left:4px solid #ddd;background:#fafafa;border-radius:0 4px 4px 0}.stance.direct{border-left-color:#27ae60;background:#f0faf4}.stance.indirect{border-left-color:#f39c12;background:#fef9f0}.stance.counter{border-left-color:#e74c3c;background:#fef5f5}.stance.cite{border-left-color:#3498db;background:#f0f7fd}.meta{font-size:.82em;color:#888}.doi{font-family:monospace;font-size:.8em;color:#3498db}.spinner{text-align:center;padding:24px;color:#888}.form-group{margin-bottom:14px}.form-group label{display:block;margin-bottom:4px;font-weight:500;font-size:.9em}.form-group input{width:100%}.error-msg{color:var(--danger);font-size:.85em;margin-top:4px}.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}table{width:100%;border-collapse:collapse}th,td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:.9em}th{background:#f8f9fa;font-weight:600}.btn-sm{padding:4px 10px;font-size:.8em;border-radius:4px;cursor:pointer}