:root{
  --navy:#13303a; --teal:#1d9e75; --teal-d:#0f6e56; --accent:#c8442e;
  --amber:#b8893b; --bg:#eef1f0; --card:#fff; --line:#e1e6e4; --ink:#19262a;
  --muted:#6c7872; --good:#3f7d54;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','Hind Siliguri',sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:inherit}
button,input,select,textarea{font-family:inherit;font-size:14px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
.btn{display:inline-flex;align-items:center;gap:7px;border:none;border-radius:8px;padding:10px 16px;font-weight:600;background:var(--teal);color:#fff;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--teal-d)}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.sec:hover{background:#f6f8f7}
.btn.danger{background:var(--accent)}
.btn.sm{padding:6px 10px;font-size:12.5px}
.pill{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:600}

/* login */
#login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#13303a,#1c4350)}
.login-card{background:#fff;border-radius:18px;padding:40px 36px;width:380px;max-width:92vw;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.brand{font-weight:700;font-size:24px;color:var(--navy);letter-spacing:-.5px}
.brand span{color:var(--teal)}
.err{background:#fbe9e6;color:#a8341f;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}
.ok{background:#dff0e6;color:#1f6b43;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:14px}
.hint{font-size:12px;color:var(--muted);margin-top:6px}

/* shell */
#shell{display:flex;min-height:100vh}
.side{width:230px;background:var(--navy);color:#cdd8d4;display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh}
.side .logo{padding:22px 22px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.side .logo .brand{color:#fff}
.side .logo small{color:#8aa49c;font-size:11px;letter-spacing:.5px}
.nav{padding:14px 12px;flex:1}
.nav a{display:block;padding:11px 14px;border-radius:9px;color:#bcccc6;text-decoration:none;font-weight:500;margin-bottom:3px}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.active{background:var(--teal);color:#fff}
.who{padding:16px;border-top:1px solid rgba(255,255,255,.08);font-size:12.5px}
.who b{color:#fff;display:block}
.who .role{background:#1c4350;color:#9fe1cb;margin-top:5px}
.who .logout{display:block;color:#ff9b86;margin-top:12px;text-decoration:none;font-weight:600}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:16px 26px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.tb-left{display:flex;align-items:center;gap:12px}
.topbar h1{font-size:20px;font-weight:700}
.menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer}
.content{padding:26px;flex:1}

.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(165px,1fr))}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:17px 18px}
.kpi .lab{font-size:12.5px;color:var(--muted);font-weight:600}
.kpi .num{font-size:30px;font-weight:700;margin-top:6px;letter-spacing:-.5px}
.kpi.t .num{color:var(--teal-d)} .kpi.a .num{color:var(--accent)} .kpi.g .num{color:var(--good)} .kpi.m .num{color:var(--amber)}
.card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:20px}
.card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}
.two-col{display:grid;grid-template-columns:2fr 1fr;gap:16px}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px;border-bottom:2px solid var(--line);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:hover td{background:#f8faf9}
.tbl-wrap{overflow-x:auto}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:16px}
.toolbar .fld{min-width:150px}
.toolbar .fld.grow{flex:1;min-width:200px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.form-grid .full{grid-column:1/-1}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}

@media(max-width:880px){
  .two-col{grid-template-columns:1fr}
  .side{position:fixed;left:-240px;z-index:40;transition:left .2s}
  .side.show{left:0}
  .menu-btn{display:inline-flex}
}
@media print{.side,.topbar,.toolbar,.no-print{display:none!important}.content{padding:0}.card{border:none;padding:0}}