:root{
  --ink:#1a2330; --muted:#6b7787; --line:#e2e8f0; --bg:#f6f8fa; --card:#fff;
  --gu:#1f4e79; --gu-dark:#163a5a; --accent:#2b6cb0; --hot:#c0392b; --ok:#116329;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 -apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.hidden{display:none!important}
.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--gu);color:#fff;padding:.7rem 1.25rem}
.brand{font-weight:600;font-size:1.05rem;letter-spacing:.2px}
.brand .mark{background:#fff;color:var(--gu);border-radius:6px;padding:.1rem .45rem;font-weight:800;margin-right:.5rem}
.brand .sub{opacity:.8;font-weight:400}
.whoami{font-size:.9rem;opacity:.95}
.whoami a{color:#cfe3ff}
main{max-width:1080px;margin:1.5rem auto;padding:0 1.25rem}
.gate{display:flex;justify-content:center;margin-top:4rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.5rem 1.75rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.login-card{max-width:420px;width:100%}
.login-card h1{margin:.2rem 0 .4rem}
.login-card input{width:100%;padding:.6rem .7rem;border:1px solid var(--line);border-radius:8px;font-size:1rem;margin:.6rem 0}
button{background:var(--gu);color:#fff;border:none;border-radius:8px;padding:.6rem 1rem;font-size:.95rem;font-weight:600;cursor:pointer}
button:hover{background:var(--gu-dark)}
button.ghost{background:transparent;color:var(--gu);border:1px solid var(--gu)}
.login-msg{margin-top:.6rem;color:var(--accent);font-size:.9rem;min-height:1.2em}
.muted{color:var(--muted)} .small{font-size:.85rem}
.tabs{display:flex;gap:.4rem;margin-bottom:1.2rem;border-bottom:1px solid var(--line)}
.tabs button{background:transparent;color:var(--muted);border:none;border-bottom:2px solid transparent;border-radius:0;padding:.6rem .9rem;font-weight:600}
.tabs button.active{color:var(--gu);border-bottom-color:var(--gu)}
.tabs button:hover{color:var(--gu);background:transparent}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.25rem}
.kpi-val{font-size:1.8rem;font-weight:700;color:var(--gu)}
.kpi-label{color:var(--muted);font-size:.85rem;margin-top:.2rem}
.kpi.err{grid-column:1/-1;color:var(--hot)}
h2{font-size:1.15rem;margin:1.5rem 0 .6rem}
.toolbar{display:flex;gap:.6rem;align-items:center;margin-bottom:1rem;flex-wrap:wrap}
.toolbar input,.toolbar select{padding:.5rem .6rem;border:1px solid var(--line);border-radius:8px;font-size:.95rem}
.toolbar input{flex:1;min-width:200px}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:.55rem .7rem;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f0f4f8;font-weight:600;position:sticky;top:0}
tbody tr:hover{background:#f8fafc}
td.num{text-align:right;font-variant-numeric:tabular-nums}
td.hot{color:var(--hot);font-weight:600}
.footer{margin:1.5rem 0;text-align:center}
@media(max-width:600px){.brand .sub{display:none}}

/* Grade tab */
textarea{width:100%;padding:.7rem;border:1px solid var(--line);border-radius:8px;
  font:13.5px/1.5 "SF Mono",Menlo,monospace;resize:vertical;background:var(--card)}
.verdict{border:1px solid var(--line);border-radius:12px;padding:1rem 1.25rem;margin:1rem 0;background:var(--card)}
.verdict h3{margin:0 0 .4rem;font-size:1.1rem}
.v-AUTO_APPROVE{border-left:5px solid var(--ok)} .v-AUTO_APPROVE h3{color:var(--ok)}
.v-NEEDS_OWNER_REVIEW{border-left:5px solid #9a6700} .v-NEEDS_OWNER_REVIEW h3{color:#9a6700}
.v-HARD_REJECT{border-left:5px solid var(--hot)} .v-HARD_REJECT h3{color:var(--hot)}
.verdict pre{background:#f0f4f8;color:var(--ink);padding:.7rem;border-radius:8px;
  overflow-x:auto;font:12.5px/1.5 "SF Mono",Menlo,monospace;margin:.6rem 0 0;white-space:pre-wrap}
.err-box{border-left:5px solid var(--hot);background:#fff5f5}

/* Grade / Generate additions */
.drop-zone{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin:.6rem 0 0.2rem;
  border:2px dashed var(--line);border-radius:10px;padding:.7rem .9rem;color:var(--muted);font-size:.9rem}
.drop-zone.drag{border-color:var(--accent);background:#eef4fb}
.file-pick{color:var(--accent);cursor:pointer;text-decoration:underline}
.file-pick input{display:none}
.file-chip{background:#eef4fb;border:1px solid var(--line);border-radius:999px;
  padding:.2rem .3rem .2rem .7rem;color:var(--ink);display:inline-flex;gap:.5rem;align-items:center}
.file-chip button{padding:.15rem .55rem;font-size:.8rem}
.deal-details{margin:.8rem 0}
.deal-details summary{cursor:pointer;color:var(--gu);font-weight:600;font-size:.92rem}
.deal-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.7rem;margin-top:.7rem}
.deal-grid label{display:flex;flex-direction:column;gap:.25rem;font-size:.85rem;color:var(--muted)}
.deal-grid input{padding:.5rem .6rem;border:1px solid var(--line);border-radius:8px;font-size:.95rem}
.draft-box{border-left:5px solid var(--gu)}
.draft-box h3{color:var(--gu)}
.download-btn{display:inline-block;background:var(--gu);color:#fff;border-radius:8px;
  padding:.6rem 1rem;font-weight:600;text-decoration:none}
.download-btn:hover{background:var(--gu-dark)}
.critic-ok{color:var(--ok);font-size:.9rem}
.critic-bad{border:1px solid #e0b96a;background:#fff8ec;border-radius:8px;padding:.7rem .9rem;margin:.6rem 0;font-size:.9rem}
.test-badge{background:#b45309;color:#fff;font-size:.7rem;font-weight:700;padding:.1rem .35rem;border-radius:4px;letter-spacing:.05em}
label.checkbox{display:inline-flex;align-items:center;gap:.35rem;cursor:pointer}