:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{margin:0;background:#fafafa;color:#111}a{color:inherit;text-decoration:none}.container{max-width:920px;margin:0 auto;padding:16px}.card{background:#fff;border:1px solid #e7e7e7;border-radius:14px;padding:14px;box-shadow:0 1px 2px #0000000a}.row{display:flex;gap:12px;flex-wrap:wrap}.btn{border:1px solid #ddd;background:#fff;padding:10px 12px;border-radius:10px;cursor:pointer}.btn.primary{border-color:#111;font-weight:600}.input,select{padding:10px 12px;border:1px solid #ddd;border-radius:10px;width:100%;box-sizing:border-box}.small{color:#666;font-size:12px}h1,h2,h3{margin:0 0 10px}table{width:100%;border-collapse:collapse}td,th{padding:8px;border-bottom:1px solid #eee;text-align:left}