:root{--bg:#f4f6f8;--card:#fff;--text:#17202a;--muted:#667085;--line:#dfe4ea;--primary:#b00020;--danger:#b42318}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:#0b57d0}.topbar{display:flex;justify-content:space-between;gap:1rem;padding:.85rem 1rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar nav{display:flex;gap:.75rem;flex-wrap:wrap}.topbar nav a{text-decoration:none}.narrow{max-width:900px;margin:auto;padding:1rem}.wide{width:100%;padding:1rem}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem;margin-bottom:1rem}fieldset{border:1px solid var(--line);border-radius:10px;padding:1rem;margin:0 0 1rem}legend{font-weight:700}label{display:block;margin-bottom:.8rem;font-weight:600}input,textarea,select,button{font:inherit}input,textarea,select{width:100%;margin-top:.25rem;padding:.7rem;border:1px solid #cbd3dc;border-radius:8px;background:#fff}button,.linkbtn{display:inline-block;border:0;border-radius:8px;padding:.65rem .9rem;background:var(--primary);color:#fff;text-decoration:none;cursor:pointer}.btn-secondary{background:#eef1f4!important;color:#222!important;border:1px solid #ccd3da!important}.danger{background:var(--danger)}.form-actions,.toolbar{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}.toolbar input{flex:1;min-width:240px}.devices{display:flex;flex-direction:column;gap:.6rem;margin-bottom:.75rem}.device-row{display:grid;grid-template-columns:minmax(220px,1fr) 120px auto;gap:.5rem}#sigPad,#sigPadReturn,#sigPadGroup{display:block;width:100%;height:180px;background:#fff;border:1px solid #aeb8c2;border-radius:8px;touch-action:none}.table-wrap{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}table{border-collapse:collapse;min-width:1700px;width:100%}th,td{padding:.65rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}th{background:#f7f8fa}.result-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:.75rem;margin-bottom:.5rem;cursor:pointer}.small,.muted{font-size:.9rem;color:var(--muted)}.gid{font-family:ui-monospace,monospace;color:#444}.alert{padding:.7rem;border-radius:8px;margin-bottom:1rem}.alert.error{background:#fee4e2}.login-page{display:grid;place-items:center;min-height:100vh}.login-box{width:min(420px,calc(100% - 2rem));background:#fff;border:1px solid var(--line);border-radius:16px;padding:1.5rem}@media(max-width:800px){.topbar{flex-direction:column}.device-row{grid-template-columns:1fr 95px auto}button,.linkbtn{min-height:44px}}