:root{
  --brand:#0F766E; --brand-dark:#115E59; --brand-tint:#E6F2F0;
  --ink:#17201E; --muted:#5B6663; --line:#E3E6E4; --line-strong:#CDD3D0; --ground:#F5F6F4; --card:#FFFFFF;
  --amber:#B45309; --amber-tint:#FDF3E7; --red:#B42318; --red-tint:#FBEAE8; --green:#15803D; --green-tint:#E7F4EC;
  --side:#17201E; --side-muted:#C9D0CD;
  --font: Inter, "Segoe UI", Roboto, "Noto Sans Bengali", "Hind Siliguri", Arial, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.45}
a{color:var(--brand)} a:hover{color:var(--brand-dark)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0;line-height:1.2}
.boot{padding:40px;text-align:center;color:var(--muted)}

/* Login */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:16px}
.brand{font-size:26px;font-weight:700;color:var(--brand)}
.sub{color:var(--muted);font-size:14px}

/* Layout */
.shell{display:flex;flex-wrap:wrap;min-height:100vh}
.side{flex:1 1 220px;max-width:100%;background:var(--side);color:#fff;padding:18px 12px;display:flex;flex-direction:column;gap:4px}
.side .brand{color:#fff;font-size:20px;padding:0 10px 14px}
.side a{display:flex;align-items:center;justify-content:space-between;min-height:40px;padding:0 12px;border-radius:8px;color:var(--side-muted);text-decoration:none;font-size:14px}
.side a.on{background:var(--brand);color:#fff;font-weight:600}
.side a:hover{color:#fff}
.side a.soon{opacity:.55;pointer-events:none}
.side .soon-tag{font-size:10.5px;border:1px solid #3A4542;border-radius:9px;padding:1px 6px}
.side .foot{margin-top:auto;padding:14px 10px 0;font-size:12.5px;color:var(--side-muted);display:flex;flex-direction:column;gap:8px}
.main{flex:999 1 560px;min-width:0;padding:24px 28px;display:flex;flex-direction:column;gap:18px}
.topbar{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.topbar h1{font-size:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* Forms */
label.f{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
label.f .hint{font-weight:400;color:var(--muted);font-size:12px}
input[type=text],input[type=tel],input[type=password],input[type=number],select,textarea{height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;font-size:15px;font-weight:400;width:100%}
textarea{height:auto;padding:10px 12px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}
.err{color:var(--red);font-size:12.5px;font-weight:500}
.has-err input,.has-err select{border-color:var(--red)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}

.btn{height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line-strong);background:#fff;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;color:var(--ink)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.danger{color:var(--red);border-color:#E8B4AE}
.btn.small{height:36px;padding:0 12px;font-size:13.5px}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn.link{border:0;background:none;color:var(--side-muted);padding:0;height:auto;font-weight:500}

/* Table */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{background:var(--ground);text-align:left;color:var(--muted);font-size:12px;font-weight:600;padding:11px 14px}
td{padding:11px 14px;border-top:1px solid #EEF1EF;vertical-align:middle}
.pill{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:10px}
.pill.green{background:var(--green-tint);color:var(--green)}
.pill.red{background:var(--red-tint);color:var(--red)}
.pill.amber{background:var(--amber-tint);color:#8A4B08}
.pill.grey{background:var(--ground);color:var(--muted)}

/* Feature switches */
.feat{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid #EEF1EF}
.feat:first-child{border-top:0}
.feat .txt{flex:1;display:flex;flex-direction:column;gap:4px}
.feat .name{font-weight:600}
.feat .meta{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.switch{position:relative;width:52px;height:30px;flex-shrink:0}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch span{position:absolute;inset:0;background:var(--line-strong);border-radius:15px;transition:background .15s}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:12px;background:#fff;transition:transform .15s}
.switch input:checked + span{background:var(--brand)}
.switch input:checked + span::after{transform:translateX(22px)}
.switch input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}

/* Dialog */
dialog{border:0;border-radius:16px;padding:0;width:min(520px,calc(100vw - 32px))}
dialog::backdrop{background:rgba(23,32,30,.45)}
.dlg{padding:22px;display:flex;flex-direction:column;gap:14px}
.dlg-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}

/* Toast */
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:calc(100vw - 32px)}
#toast.show{opacity:1}
#toast.bad{background:var(--red)}

.steps{display:flex;flex-direction:column;gap:2px}
.step{display:flex;gap:12px;padding:10px 0;border-top:1px solid #EEF1EF;align-items:flex-start}
.step:first-child{border-top:0}
.step .dot{width:22px;height:22px;border-radius:11px;border:2px solid var(--line-strong);flex-shrink:0;margin-top:1px}
.step.done .dot{background:var(--brand);border-color:var(--brand)}
.step.now .dot{border-color:var(--amber);background:var(--amber-tint)}
.muted{color:var(--muted)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@media (max-width: 800px){
  .main{padding:16px}
  .side{flex-direction:row;flex-wrap:wrap;gap:4px;padding:10px}
  .side .brand{width:100%;padding:4px 8px 8px}
  .side a{min-height:36px}
  .side .foot{width:100%;flex-direction:row;justify-content:space-between;padding:8px}
}