:root{--ink:#0f172a;--ink2:#334155;--mut:#64748b;--line:#e2e8f0;--bg:#f1f5f9;--card:#fff;--brand:#1d4ed8;--brand2:#1e3a8a;--accent:#dc2626;--ok:#15803d;--r:10px;--sh:0 1px 2px rgba(15,23,42,.06),0 4px 16px rgba(15,23,42,.06);font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Noto Sans","Noto Sans Devanagari",Arial,sans-serif}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.hidden{display:none!important}
/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:18px;padding:0 20px;height:58px;background:linear-gradient(90deg,#0b1f4d,#1d4ed8);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.15)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.2px}
.logo svg{width:30px;height:30px}
.logo small{font-weight:600;font-size:11px;background:rgba(255,255,255,.18);padding:2px 7px;border-radius:20px;letter-spacing:.5px}
.logo .by{font-weight:400;font-size:12px;opacity:.8;margin-left:2px}
.nav{display:flex;gap:4px;margin-left:12px}
.nav button{background:none;border:0;color:#dbeafe;padding:8px 14px;border-radius:7px;cursor:pointer;font-weight:600}
.nav button.on,.nav button:hover{background:rgba(255,255,255,.14);color:#fff}
.svc{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;background:rgba(255,255,255,.12);padding:6px 11px;border-radius:20px;cursor:help}
.dot{width:8px;height:8px;border-radius:50%;background:#94a3b8}.dot.on{background:#4ade80;box-shadow:0 0 0 3px rgba(74,222,128,.25)}.dot.off{background:#f87171}
/* layout */
.wrap{max-width:1280px;margin:22px auto;padding:0 20px}
.grid2{display:grid;grid-template-columns:1.15fr 1fr;gap:20px}
@media(max-width:980px){.grid2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh)}
.card h2{margin:0;font-size:15px;padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}
.card h2 .n{width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:12px}
.card .bd{padding:16px 18px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.f{display:flex;flex-direction:column;gap:5px}.f.full{grid-column:1/-1}
.f label{font-size:12px;font-weight:600;color:var(--ink2)}
.f input,.f select,textarea{border:1px solid #cbd5e1;border-radius:7px;padding:9px 11px;background:#fff;outline:none}
.f input:focus,.f select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.tabs{display:flex;gap:4px;margin:16px 0 10px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;padding:9px 14px;font-weight:600;color:var(--mut);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button.on{color:var(--brand);border-color:var(--brand)}
.drop{border:2px dashed #93c5fd;background:#eff6ff;border-radius:10px;padding:30px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{background:#dbeafe;border-color:var(--brand)}
.drop b{display:block;font-size:15px;margin:8px 0 4px}.drop span{color:var(--mut);font-size:12px}
.filebar{display:flex;align-items:center;gap:10px;margin-top:10px;padding:10px 12px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:8px;font-size:13px}
.filebar.err{border-color:#fecaca;background:#fef2f2}
textarea{width:100%;min-height:230px;resize:vertical;line-height:1.5}
.chk{display:flex;align-items:flex-start;gap:9px;padding:6px 0;cursor:pointer;font-size:13px}
.chk input{margin-top:2px;accent-color:var(--brand)}
.chk.dis{opacity:.45;cursor:not-allowed}
.chk .tag{font-size:10px;background:#fef3c7;color:#92400e;padding:1px 6px;border-radius:10px;margin-left:4px;white-space:nowrap}
.grp{margin-bottom:10px}.grp h4{margin:8px 0 2px;font-size:11px;letter-spacing:.6px;text-transform:uppercase;color:var(--mut);display:flex;justify-content:space-between}
.grp h4 a{text-transform:none;letter-spacing:0;font-weight:500;cursor:pointer}
.seg{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #cbd5e1;border-radius:8px;overflow:hidden}
.seg button{border:0;background:#fff;padding:9px 6px;cursor:pointer;font-weight:600;border-right:1px solid #cbd5e1;font-size:13px}
.seg button:last-child{border-right:0}.seg button.on{background:var(--brand);color:#fff}
.seg button small{display:block;font-weight:400;font-size:11px;opacity:.8}
.row{display:flex;align-items:center;gap:8px}
.num{width:64px;border:1px solid #cbd5e1;border-radius:6px;padding:5px 7px}
.sep{height:1px;background:var(--line);margin:12px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #cbd5e1;background:#fff;border-radius:8px;padding:9px 15px;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f8fafc}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}.btn.pri:hover{background:var(--brand2)}
.btn.big{padding:14px 26px;font-size:16px;width:100%;margin-top:14px}
.btn.sm{padding:6px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.note{font-size:12px;color:var(--mut);line-height:1.5}
.warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:9px 12px;border-radius:8px;font-size:12px;line-height:1.5;margin-bottom:10px}
/* processing */
.proc{max-width:820px;margin:40px auto}
.pbar{height:10px;background:#e2e8f0;border-radius:10px;overflow:hidden;margin:14px 0}
.pbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#1d4ed8,#06b6d4);transition:width .3s}
.steps{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.steps span{font-size:12px;padding:5px 10px;border-radius:20px;background:#f1f5f9;color:var(--mut);font-weight:600}
.steps span.on{background:#dbeafe;color:var(--brand)}.steps span.done{background:#dcfce7;color:var(--ok)}
.srctab{width:100%;border-collapse:collapse;font-size:13px}
.srctab td{padding:7px 6px;border-bottom:1px solid var(--line)}
.srctab td:last-child{text-align:right;color:var(--mut);white-space:nowrap}
.log{font:12px/1.5 ui-monospace,Consolas,monospace;color:var(--mut);max-height:120px;overflow:auto;margin-top:10px;white-space:pre-wrap}
/* report */
.rhead{background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.rhead .t{flex:1;min-width:260px}
.rhead h1{margin:0 0 4px;font-size:18px}
.rhead .meta{font-size:12px;color:var(--mut);display:flex;gap:14px;flex-wrap:wrap}
.simbox{display:flex;align-items:center;gap:12px}
.sim{min-width:96px;text-align:center;border-radius:10px;padding:8px 12px;color:#fff;font-weight:800;font-size:30px;line-height:1}
.sim small{display:block;font-size:10px;font-weight:600;letter-spacing:.6px;margin-top:4px;opacity:.95}
.gradeb{border:2px solid;border-radius:10px;padding:6px 12px;text-align:center;font-weight:800}
.gradeb b{font-size:22px;display:block;line-height:1}.gradeb span{font-size:11px;font-weight:600}
.rbody{display:grid;grid-template-columns:1fr 400px;height:calc(100vh - 58px - 76px);min-height:520px}
@media(max-width:1000px){.rbody{grid-template-columns:1fr;height:auto}.side{border-left:0;border-top:1px solid var(--line)}}
.viewer{overflow:auto;padding:24px;background:#e5e7eb}
.paper{max-width:820px;margin:0 auto;background:#fff;box-shadow:0 2px 14px rgba(0,0,0,.12);padding:48px 56px;font:15px/1.85 Georgia,"Noto Serif","Noto Serif Devanagari",serif;white-space:pre-wrap;word-wrap:break-word;color:#111}
.vbar{max-width:820px;margin:0 auto 10px;display:flex;gap:14px;align-items:center;font-size:12px;color:var(--ink2);flex-wrap:wrap}
.lg{display:inline-flex;align-items:center;gap:5px}.lg i{width:14px;height:10px;border-radius:2px;display:inline-block}
mark.m{background:var(--bgc);color:inherit;border-bottom:2px solid var(--c);padding:1px 0;cursor:pointer;border-radius:2px}
mark.m sup{background:var(--c);color:#fff;font:700 10px/1 "Segoe UI",Arial,sans-serif;padding:2px 4px;border-radius:3px;margin-right:2px;vertical-align:2px}
mark.m.para{background:transparent;border-bottom:2px dashed var(--c)}
.paper.focus mark.m:not(.f){background:transparent;border-bottom-color:transparent}.paper.focus mark.m:not(.f) sup{display:none}
.paper.nohl mark.m{background:transparent;border-bottom-color:transparent}.paper.nohl mark.m sup{display:none}
mark.m.flash{animation:fl 1.2s}@keyframes fl{0%,60%{outline:3px solid var(--c)}100%{outline:0}}
.x{color:#94a3b8}.x-bib{color:#a1a1aa}
.side{border-left:1px solid var(--line);background:#fff;display:flex;flex-direction:column;min-height:0}
.stabs{display:flex;border-bottom:1px solid var(--line);background:#f8fafc}
.stabs button{flex:1;border:0;background:none;padding:11px 4px;font-weight:600;font-size:12px;color:var(--mut);cursor:pointer;border-bottom:2px solid transparent}
.stabs button.on{color:var(--brand);border-color:var(--brand);background:#fff}
.spane{overflow:auto;flex:1;padding:12px 14px}
.mo-h{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--mut);margin:2px 2px 10px}
.src{border:1px solid var(--line);border-radius:8px;margin-bottom:8px;overflow:hidden}
.src .h{display:flex;gap:10px;padding:9px 10px;cursor:pointer;align-items:flex-start}
.src .h:hover{background:#f8fafc}
.src .no{min-width:26px;height:26px;border-radius:5px;background:var(--c);color:#fff;font-weight:800;display:grid;place-items:center;font-size:12px}
.src .tx{flex:1;min-width:0}
.src .tt{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.src .db{font-size:11px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.src .pc{font-weight:800;font-size:15px;color:var(--c)}
.src .bar{height:3px;background:var(--c);opacity:.8}
.src .more{padding:8px 10px 10px;border-top:1px solid var(--line);background:#fafafa;font-size:12px}
.src .frag{padding:6px 8px;background:#fff;border-left:3px solid var(--c);margin:6px 0;cursor:pointer;line-height:1.45}
.src.off{opacity:.5}
.ty{font-size:10px;font-weight:700;padding:1px 6px;border-radius:10px;margin-right:4px;text-transform:uppercase;letter-spacing:.3px}
.ty-internet{background:#e0f2fe;color:#0369a1}.ty-publication{background:#ede9fe;color:#6d28d9}.ty-thesis{background:#ffedd5;color:#c2410c}.ty-local{background:#f1f5f9;color:#475569}
.kv{width:100%;border-collapse:collapse;font-size:13px}.kv td{padding:7px 4px;border-bottom:1px solid var(--line)}.kv td:last-child{text-align:right;font-weight:600}
.hb{margin:6px 0 12px}.hb .l{display:flex;justify-content:space-between;font-size:12px;margin-bottom:3px}.hb .t{height:8px;background:#f1f5f9;border-radius:6px;overflow:hidden}.hb .t i{display:block;height:100%}
.gcard{border-radius:10px;padding:14px;color:#fff;margin-bottom:14px}
.gcard b{font-size:34px}.gcard p{margin:6px 0 0;font-size:12px;opacity:.95}
.empty{text-align:center;color:var(--mut);padding:30px 10px}
.aich{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:8px 0;font-size:12px;cursor:pointer}
.aich .t{height:6px;border-radius:4px;background:#f1f5f9;margin-top:5px;overflow:hidden}.aich .t i{display:block;height:100%}
/* history */
table.hist{width:100%;border-collapse:collapse;background:#fff}
table.hist th{font-size:12px;text-align:left;color:var(--mut);padding:10px 12px;border-bottom:2px solid var(--line);background:#f8fafc}
table.hist td{padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}
.pill{display:inline-block;min-width:48px;text-align:center;color:#fff;font-weight:700;border-radius:6px;padding:3px 7px}
.help h3{margin:18px 0 6px;font-size:15px}.help p,.help li{line-height:1.6;color:var(--ink2)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0f172a;color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;z-index:99;box-shadow:var(--sh)}
/* ===== app additions ===== */
.topbar .user{display:flex;align-items:center;gap:10px;margin-left:12px;font-size:12px}
.topbar .user .av{width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-weight:700}
.topbar .user button{background:rgba(255,255,255,.12);border:0;color:#fff;padding:6px 10px;border-radius:6px;cursor:pointer}
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
@media(max-width:900px){.auth{grid-template-columns:1fr}.auth .hero{display:none}}
.auth .hero{background:linear-gradient(140deg,#0b1f4d,#1d4ed8 60%,#0891b2);color:#fff;padding:60px 56px;display:flex;flex-direction:column;justify-content:center}
.auth .hero h1{font-size:40px;margin:18px 0 10px;line-height:1.15}.auth .hero p{font-size:16px;opacity:.9;line-height:1.6;max-width:520px}
.auth .hero ul{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:12px}.auth .hero li{display:flex;gap:10px;align-items:flex-start;font-size:14px;opacity:.95}
.auth .hero li b{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.2);font-size:12px}
.auth .form{display:flex;align-items:center;justify-content:center;padding:40px 20px;background:#fff}
.auth .box{width:100%;max-width:380px}.auth .box h2{font-size:24px;margin:0 0 6px}.auth .box .f{margin-bottom:14px}
.msg{padding:9px 12px;border-radius:8px;font-size:13px;margin:10px 0}.msg.err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.msg.ok{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;box-shadow:var(--sh)}
.stat small{color:var(--mut);font-size:12px;font-weight:600}.stat b{display:block;font-size:26px;margin-top:4px}.stat .t{height:6px;background:#f1f5f9;border-radius:5px;margin-top:8px;overflow:hidden}.stat .t i{display:block;height:100%;background:var(--brand)}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.toolbar input{border:1px solid #cbd5e1;border-radius:7px;padding:8px 11px;min-width:240px}
.chips{display:flex;gap:4px;background:#e2e8f0;padding:3px;border-radius:8px}.chips button{border:0;background:none;padding:6px 12px;border-radius:6px;font-weight:600;font-size:12px;cursor:pointer;color:var(--ink2)}.chips button.on{background:#fff;color:var(--brand);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.st{font-size:11px;font-weight:700;padding:3px 8px;border-radius:12px;text-transform:uppercase;letter-spacing:.3px}
.st-done{background:#dcfce7;color:#15803d}.st-running,.st-queued{background:#dbeafe;color:#1d4ed8}.st-failed{background:#fee2e2;color:#b91c1c}
.mini{height:5px;background:#e2e8f0;border-radius:4px;overflow:hidden;width:110px;margin-top:5px}.mini i{display:block;height:100%;background:linear-gradient(90deg,#1d4ed8,#06b6d4)}
table.hist tr:hover td{background:#f8fafc}
.lnk{color:var(--brand);cursor:pointer;font-weight:600;text-decoration:none}
.badge{font-size:11px;padding:2px 8px;border-radius:10px;background:#f1f5f9;color:var(--ink2);font-weight:600}
.badge.admin{background:#ede9fe;color:#6d28d9}.badge.faculty{background:#e0f2fe;color:#0369a1}.badge.student{background:#f1f5f9;color:#475569}.badge.off{background:#fee2e2;color:#b91c1c}
.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.footer{text-align:center;color:var(--mut);font-size:12px;padding:24px}