:root{
  --bg:#f3f4f8;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#4338ca;--brand2:#eef2ff;
  --ok:#047857;--okbg:#d1fae5;--warn:#b45309;--warnbg:#fef3c7;--err:#b91c1c;--errbg:#fee2e2;--pause:#6d28d9;--pausebg:#ede9fe;--off:#f1f5f9;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:'Hind Siliguri',system-ui,sans-serif;font-size:14.5px;line-height:1.5}
a{color:var(--brand);cursor:pointer;text-decoration:none}
.hidden{display:none!important}
.muted{color:var(--muted)} .small{font-size:12.5px} .err{color:var(--err)} .okt{color:var(--ok)} .warnt{color:var(--warn)}
h1{font-size:22px;margin:0 0 4px} h2{font-size:18px;margin:0 0 10px} h3{font-size:15.5px;margin:0 0 8px}

/* লগইন */
.login{min-height:100vh;display:grid;place-items:center;padding:16px}
.login form{width:min(380px,100%)}
.login label{display:block;margin-top:12px}
.login .btn{width:100%;margin-top:16px}

/* লেআউট */
#app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
aside{background:#0f172a;color:#cbd5e1;padding:16px 10px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.brand{color:#fff;font-weight:700;font-size:17px;padding:0 8px 14px}
nav a{display:block;padding:8px 10px;border-radius:8px;color:#cbd5e1;margin-bottom:2px}
nav a:hover{background:#1e293b} nav a.on{background:#fff;color:#0f172a;font-weight:600}
.me{margin-top:auto;font-size:12.5px;padding:8px}
.me a{color:#a5b4fc}
main{padding:22px 26px;min-width:0}
@media (max-width:820px){
  #app{grid-template-columns:1fr}
  aside{position:static;height:auto;padding:10px}
  nav{display:flex;flex-wrap:wrap;gap:4px} nav a{padding:6px 8px;font-size:13px}
  .brand{padding-bottom:6px} .me{margin-top:6px}
  main{padding:14px}
}

/* উপাদান */
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.kpi .v{font-size:28px;font-weight:700;line-height:1.1}
.kpi .l{color:var(--muted);font-size:13px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:var(--ink);max-width:100%}
textarea{width:100%;min-height:70px}
input[type=checkbox]{width:auto}
label.f{display:flex;flex-direction:column;gap:3px;font-size:13px;color:var(--muted)}
label.f input,label.f select,label.f textarea{color:var(--ink);font-size:14.5px}
.btn{font:inherit;font-weight:600;border:1px solid #cbd5e1;background:#fff;color:var(--ink);padding:7px 14px;border-radius:8px;cursor:pointer}
.btn:hover{background:#f8fafc}
.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn.danger{color:var(--err);border-color:#fecaca}
.btn.sm{padding:3px 9px;font-size:13px}
.btn:disabled{opacity:.55;cursor:default}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table{border-collapse:collapse;width:100%;font-size:13.5px}
th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;vertical-align:middle}
th{background:#f8fafc;font-weight:600;position:sticky;top:0;z-index:1}
td.num,th.num{text-align:right}
tr:last-child td{border-bottom:0}
td input,td select{padding:4px 6px;font-size:13.5px}
td input.w60{width:70px} td input.w120{width:130px} td input.w200{width:220px}
.badge{display:inline-block;border-radius:6px;padding:1px 7px;font-size:12px;font-weight:600}
.b-ok{background:var(--okbg);color:var(--ok)} .b-warn{background:var(--warnbg);color:var(--warn)} .b-err{background:var(--errbg);color:var(--err)}
.b-pause{background:var(--pausebg);color:var(--pause)} .b-off{background:var(--off);color:var(--muted)} .b-info{background:var(--brand2);color:var(--brand)}
.alerts li{margin:3px 0}
.alerts ul{margin:4px 0 0;padding-left:18px}

/* ম্যাট্রিক্স */
.mx td.c{text-align:center;cursor:pointer;min-width:84px;font-size:12.5px;line-height:1.25}
.mx td.c:hover{outline:2px solid var(--brand);outline-offset:-2px}
.c-ok{background:#ecfdf5} .c-warn{background:#fffbeb} .c-err{background:#fef2f2} .c-pause{background:#f5f3ff} .c-off{background:#f8fafc;color:#94a3b8}
.mx .d{font-weight:700}
.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:8px}
.legend span::before{content:'';display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:4px;vertical-align:-1px;border:1px solid var(--line)}
.legend .l-ok::before{background:#ecfdf5}.legend .l-warn::before{background:#fffbeb}.legend .l-err::before{background:#fef2f2}.legend .l-pause::before{background:#f5f3ff}.legend .l-off::before{background:#f8fafc}

/* চার্ট */
.chart svg{width:100%;height:auto;display:block}
.chart .bar{fill:#6366f1} .chart .bar:hover{fill:#4338ca}
.chart text{font-size:10px;fill:#64748b;font-family:inherit}
.chart .grid line{stroke:#e2e8f0}

/* কাজের তালিকা */
.task{border:1px solid var(--line);border-left:4px solid #94a3b8;border-radius:10px;padding:9px 12px;margin-bottom:8px;background:#fff}
.task.urgent{border-left-color:var(--err)} .task.behind{border-left-color:#f59e0b} .task.ok{border-left-color:#10b981}
.task .t{font-weight:700}

/* মোডাল ও টোস্ট */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;z-index:50;padding:14px}
.modal-box{background:#fff;border-radius:14px;padding:18px;width:min(560px,100%);max-height:90vh;overflow:auto}
.modal-box .actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#0f172a;color:#fff;padding:10px 16px;border-radius:10px;z-index:60;max-width:90vw}
.toast.err{background:var(--err)}
.msg{border-radius:9px;padding:10px 12px;margin:8px 0}
.msg.ok{background:var(--okbg);color:var(--ok)} .msg.warn{background:var(--warnbg);color:var(--warn)} .msg.err{background:var(--errbg);color:var(--err)}
.msg ul{margin:4px 0 0;padding-left:18px}
.pw{font-family:ui-monospace,Consolas,monospace;font-size:18px;background:#f1f5f9;padding:8px 12px;border-radius:8px;display:inline-block;user-select:all}
.pager{display:flex;gap:8px;align-items:center;margin-top:10px}

/* প্রিন্ট */
#printArea{display:none}
@media print{
  @page{size:A4 landscape;margin:10mm}
  body{background:#fff}
  #app,#login,#modal,#toast{display:none!important}
  #printArea{display:block;font-size:11px;color:#000}
  #printArea h1{font-size:18px;margin:0 0 6px}
  #printArea h3{font-size:13px;margin:12px 0 4px}
  #printArea table{border-collapse:collapse;width:100%;margin-bottom:6px}
  #printArea th,#printArea td{border:1px solid #999;padding:3px 5px;white-space:nowrap;position:static}
  #printArea th{background:#eee}
  #printArea tr{break-inside:avoid}
}