:root{
  --bg:#f5f6fa;--card:#fff;--ink:#101828;--muted:#667085;--line:#e4e7ec;--soft:#f2f4f7;
  --brand:#4f46e5;--brand-ink:#3730a3;--brand-soft:#eef2ff;--teal:#0d9488;
  --ok:#067647;--ok-bg:#ecfdf3;--warn:#b54708;--warn-bg:#fffaeb;--bad:#b42318;--bad-bg:#fef3f2;--info:#175cd3;--info-bg:#eff8ff;
  --side:#0f172a;--side-ink:#cbd5e1;--radius:12px;--shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:14.5px;color:var(--ink)
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);line-height:1.45}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
code{background:var(--soft);padding:1px 6px;border-radius:5px;font-size:.92em}
h1,h2,h3{margin:0;line-height:1.2}h2{font-size:18px}h3{font-size:15px}
.muted{color:var(--muted)}.small{font-size:12.5px}.right{text-align:right}.nowrap{white-space:nowrap}.mt{margin-top:16px}.mb{margin-bottom:16px}.grow{flex:1}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
/* shell */
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.side{background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;padding:18px 12px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:10px;align-items:center;color:#fff;font-weight:700;font-size:17px;padding:4px 10px 18px}
.logo{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#6366f1,#14b8a6);color:#fff;font-weight:800}
.side nav{display:flex;flex-direction:column;gap:2px}
.side nav a{display:flex;gap:11px;align-items:center;color:var(--side-ink);padding:9px 12px;border-radius:9px;font-weight:500}
.side nav a svg{width:18px;height:18px;flex:none}
.side nav a:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.side nav a.active{background:rgba(99,102,241,.22);color:#fff}
.side-foot{margin-top:auto;padding:12px;font-size:13px;border-top:1px solid rgba(255,255,255,.08)}.side-foot a{color:#94a3b8}
.who{color:#fff;margin-bottom:4px;word-break:break-all}
.main{min-width:0}
.topbar{display:flex;align-items:center;gap:14px;padding:18px 28px 6px}
.topbar h1{font-size:22px;font-weight:700;flex:1}
.menu-btn{display:none}
.content{padding:12px 28px 48px;max-width:1280px}
.mock-banner{margin:8px 28px 0;background:#fff7e6;border:1px solid #fedf89;color:#93370d;padding:9px 14px;border-radius:10px;font-size:13px}
.loading{padding:40px;text-align:center;color:var(--muted)}
/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card.flush{padding:0;overflow:hidden}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.card-h.pad{padding:16px 18px 0}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.stat .v{font-size:28px;font-weight:700;letter-spacing:-.02em}.stat .l{color:var(--muted);font-size:13px}.stat .s{font-size:12.5px;color:var(--muted);margin-top:2px}
/* buttons / forms */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:9px;font-weight:600;font-size:13.5px;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--soft);text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-ink)}
.btn.danger{color:var(--bad);border-color:#fda29b}.btn.danger:hover{background:var(--bad-bg)}
.btn.sm{padding:5px 10px;font-size:12.5px;border-radius:8px}.btn[disabled]{opacity:.5;cursor:not-allowed}
.icon-btn{border:0;background:transparent;font-size:20px;cursor:pointer}
.form label{display:block;font-weight:600;font-size:13px;margin-bottom:12px;color:#344054}
.form input,.form select,.form textarea,input.in,select.in,textarea.in{display:block;width:100%;margin-top:5px;padding:9px 11px;border:1px solid #d0d5dd;border-radius:9px;font:inherit;font-weight:400;background:#fff;color:var(--ink)}
.form textarea,textarea.in{min-height:96px;resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.form input:focus,.form select:focus,.form textarea:focus,.in:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
.form .help{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:4px}
.form hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.switch{display:flex;align-items:center;gap:10px}.switch input{width:auto;margin:0}
.fgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}
/* table */
.tbl{width:100%;border-collapse:collapse}
.tbl th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);text-align:left;padding:10px 14px;background:#fafbfc;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}.tbl tbody tr:hover{background:#fafbff}
.tbl .name{font-weight:600}.tbl .sub{color:var(--muted);font-size:12.5px}
.scroll-x{overflow-x:auto}
/* badges */
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:var(--soft);color:#475467;white-space:nowrap}
.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.bad{background:var(--bad-bg);color:var(--bad)}
.badge.info{background:var(--info-bg);color:var(--info)}.badge.brand{background:var(--brand-soft);color:var(--brand-ink)}
.chips{display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--soft);border-radius:7px;padding:3px 9px;font-size:12.5px}.chip.b{background:var(--brand-soft);color:var(--brand-ink)}
/* score */
.score{display:flex;align-items:center;gap:8px;min-width:96px}
.score .bar{flex:1;height:7px;background:var(--soft);border-radius:9px;overflow:hidden;min-width:44px}
.score .bar i{display:block;height:100%;border-radius:9px;background:var(--brand)}
.score.hi .bar i{background:#12b76a}.score.mid .bar i{background:#f79009}.score.lo .bar i{background:#f04438}
.score b{font-variant-numeric:tabular-nums;min-width:30px;text-align:right}
.bigscore{font-size:38px;font-weight:800;letter-spacing:-.03em}
.progress{height:10px;background:var(--soft);border-radius:9px;overflow:hidden}.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,#6366f1,#14b8a6);transition:width .3s}
/* alerts */
.alert{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:13.5px;border:1px solid}
.alert.err{background:var(--bad-bg);border-color:#fda29b;color:var(--bad)}.alert.warn{background:var(--warn-bg);border-color:#fedf89;color:var(--warn)}
.alert.ok{background:var(--ok-bg);border-color:#abefc6;color:var(--ok)}.alert.info{background:var(--info-bg);border-color:#b2ddff;color:var(--info)}
/* dropzone */
.drop{border:2px dashed #c7cbd6;border-radius:var(--radius);padding:26px;text-align:center;background:#fbfbfe;cursor:pointer;transition:.15s}
.drop.over,.drop:hover{border-color:var(--brand);background:var(--brand-soft)}
.drop b{display:block;font-size:15px;margin-bottom:3px}
/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{border:0;background:none;padding:10px 14px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--brand);border-color:var(--brand)}
/* modal & toast */
.modal-bg{position:fixed;inset:0;background:rgba(16,24,40,.55);display:grid;place-items:center;z-index:50;padding:18px}
.modal{background:#fff;border-radius:14px;max-width:720px;width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(16,24,40,.3)}
.modal.wide{max-width:960px}
.modal-h{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-b{padding:18px 20px;overflow:auto}.modal-f{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}
#toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:80}
.toast{background:#101828;color:#fff;padding:11px 16px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:380px;font-size:13.5px}
.toast.err{background:#b42318}.toast.ok{background:#067647}
/* misc blocks */
.qlist{display:flex;flex-direction:column;gap:10px}
.q{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fff}
.q .meta{display:flex;gap:6px;margin-bottom:6px;flex-wrap:wrap}
.q textarea{min-height:54px;font-family:inherit;font-size:14px}
.transcript{background:#f8f9fc;border:1px solid var(--line);border-radius:10px;padding:14px;max-height:420px;overflow:auto;font-size:13.5px}
.transcript p{margin:0 0 8px}.transcript .a{color:#3730a3}.transcript .u{color:#101828}
.kv{display:grid;grid-template-columns:150px 1fr;gap:6px 12px;font-size:13.5px}.kv dt{color:var(--muted)}.kv dd{margin:0}
.hbar{display:grid;grid-template-columns:120px 1fr 80px;gap:10px;align-items:center;margin:7px 0;font-size:13px}
.hbar .t{height:10px;background:var(--soft);border-radius:9px;overflow:hidden}.hbar .t i{display:block;height:100%;background:var(--brand);border-radius:9px}
.bars{display:flex;align-items:flex-end;gap:3px;height:110px;margin-top:6px}
.bars div{flex:1;background:#c7d2fe;border-radius:3px 3px 0 0;min-height:2px;position:relative}.bars div.t{background:var(--brand)}
.pill-row{display:flex;gap:6px;flex-wrap:wrap}.pill{border:1px solid var(--line);background:#fff;padding:5px 12px;border-radius:99px;font-size:13px;cursor:pointer;font-weight:600;color:#475467}.pill.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.empty{padding:34px;text-align:center;color:var(--muted)}
.sticky-bar{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--line);padding:12px 18px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;z-index:5}
/* auth */
.auth-body{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#eef2ff,#ecfdf5);padding:20px}
.auth-card{background:#fff;padding:32px;border-radius:16px;box-shadow:0 12px 40px rgba(16,24,40,.12);width:100%;max-width:400px}
.brand-lg{display:flex;gap:10px;align-items:center;font-size:24px;font-weight:800;margin-bottom:6px}.brand-lg .logo{width:38px;height:38px;font-size:20px}
.auth-card .btn{width:100%;justify-content:center;padding:11px}
@media(max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr 1fr}}
@media(max-width:760px){
  .shell{grid-template-columns:1fr}.side{position:fixed;z-index:40;left:-250px;width:232px;transition:left .2s}.side.open{left:0}
  .menu-btn{display:block}.topbar,.content{padding-left:16px;padding-right:16px}.g2,.g3,.g4,.fgrid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}.hbar{grid-template-columns:90px 1fr 60px}
}

/* table polish */
.tbl td.cand{max-width:330px}
.tbl td .sub{max-width:330px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl td .sub.wrap{white-space:normal}
.tbl td .score{min-width:84px}