:root{
                              --bg:#0f1623; --panel:#121a2a; --border:#1d2840; --muted:#8ea1c8; --text:#eef2ff;
                              --input-bg:#0c1422; --input-bd:#283755; --btn-bg:#1b2a44; --btn-bd:#32466f; --btn-bg-hover:#243a63;
                              --th-bg:#0f192c; --pill-bg:#1f2a3d; --pill-bd:#2c3e55;
                              --author-bg:#1c2230; --author-bd:#2a3242; --author-hover:#232c40; --author-active:#2a3753; --author-active-bd:#5170b7;
                              --sort-btn:#2a3a5a; --sort-btn-active:#425f9c; --nav:#0d1422; --nav-active:#1e2b46;
                              }
                              html,body{height:100%}
                              body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;background:var(--bg);color:var(--text);margin:0}
                              a{color:#bcd7ff}
                              .topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--nav);border-bottom:1px solid var(--border)}
                              .brand{font-weight:800;letter-spacing:.2px;margin-right:12px}
                              .nav{display:flex;gap:6px;flex-wrap:wrap}
                              .nav a{display:inline-block;padding:8px 12px;border-radius:10px;text-decoration:none;color:#d6e5ff;border:1px solid transparent}
                              .nav a.active{background:var(--nav-active);border-color:#2e4168}
                              .container{padding:22px}
                              .grid{display:grid;gap:24px}
                              .cols-2{grid-template-columns:1fr 1fr}
                              .cols-3{grid-template-columns:1.2fr 1fr 1fr}
                              .panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:16px}
                              h2{margin:8px 0 16px}
                              .muted{color:var(--muted)}
                              .err{color:#ffb3b3;margin:8px 0}
                              .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
                              select,input[type=text]{padding:10px 12px;border-radius:10px;border:1px solid var(--input-bd);background:var(--input-bg);color:var(--text)}
                              button{padding:10px 14px;border-radius:10px;border:1px solid var(--btn-bd);background:var(--btn-bg);color:var(--text);cursor:pointer}
                              button:hover{background:var(--btn-bg-hover)}
                              #facultyWrap{display:grid;grid-template-columns:340px 1fr;gap:24px}
                              #authorScroll{max-height:calc(100vh - 220px);overflow:auto;padding-right:6px}
                              .author-item{display:block;width:100%;text-align:left;padding:10px 12px;margin:6px 0;border-radius:10px;background:var(--author-bg);color:#cfe3ff;border:1px solid var(--author-bd);cursor:pointer;user-select:none;transition:background .15s ease,border-color .15s ease,transform .05s}
                              .author-item:hover{background:var(--author-hover);border-color:#415071}
                              .author-item:active{transform:scale(.995)}
                              .author-item.active{background:var(--author-active);border-color:var(--author-active-bd)}
                              table{width:100%;border-collapse:collapse}
                              th,td{padding:14px;border-bottom:1px solid var(--border);vertical-align:top}
                              th{color:#a8b7de;text-align:left;background:var(--th-bg);position:sticky;top:0;z-index:1}
                              a.paper-link{color:#bcd7ff;text-decoration:none}
                              a.paper-link:hover{text-decoration:underline}
                              .pill{display:inline-block;padding:6px 12px;margin:4px 6px 4px 0;border-radius:999px;background:var(--pill-bg);border:1px solid var(--pill-bd);white-space:nowrap}
                              .th-sort{display:flex;align-items:center;gap:8px;white-space:nowrap}
                              .sort-wrap{display:inline-flex;gap:6px}
                              .sort-btn{width:24px;height:24px;padding:0;border-radius:6px;border:1px solid var(--btn-bd);background:var(--sort-btn);color:#cfe3ff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:12px;line-height:1}
                              .sort-btn.active{background:var(--sort-btn-active);border-color:var(--sort-btn-active);color:#fff;box-shadow:0 0 0 2px rgba(82,109,163,.25) inset}
                              .group{margin:8px 0 12px}
                              .group-header{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 12px;border-radius:10px;background:var(--author-active);border:1px solid var(--author-bd);color:#e6efff;cursor:pointer;user-select:none;transition:background .15s ease,border-color .15s ease}
                              .group-header:hover{background:var(--author-hover);border-color:#415071}
                              .group-title{font-weight:700;letter-spacing:.2px}
                              .group-meta{font-size:12px;color:#a9b9dd;margin-right:8px}
                              .group-caret{transition:transform .18s ease}
                              .group.open .group-caret{transform:rotate(180deg)}
                              .group-body{display:none;padding:8px 6px 4px}
                              .group.open .group-body{display:block}