:root{font-family:Inter,"Noto Sans Bengali","Segoe UI",system-ui,sans-serif;color:#15213f;background:#f4f6fb;--primary:#4f46e5;--primary-dark:#312e81;--line:#e2e8f0;--muted:#64748b;--danger:#dc2626;--success:#16a34a}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}.login-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top,#e0e7ff,#f8fafc 55%)}.login-card{width:min(430px,100%);padding:32px;border:1px solid #c7d2fe;border-radius:26px;background:#fff;box-shadow:0 28px 90px rgba(49,46,129,.15);text-align:center}.logo{display:grid;place-items:center;width:54px;height:54px;margin:auto;border-radius:17px;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;font-size:25px;font-weight:900;box-shadow:0 12px 30px rgba(79,70,229,.27)}.login-card h1{margin:12px 0 4px}.login-card>p{margin:0 0 20px;color:var(--muted)}label{display:block;color:#475569;font-size:13px;font-weight:800;text-align:left}input,select,textarea{width:100%;margin-top:6px;padding:11px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;outline:none}input:focus,select:focus,textarea:focus{border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.13)}.login-card label{margin:12px 0}.primary-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:10px;padding:10px 15px;font-weight:900;cursor:pointer}.primary-btn{background:linear-gradient(135deg,#4f46e5,#6d28d9);color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.2)}.primary-btn:disabled{opacity:.55;cursor:wait}.login-card .primary-btn{width:100%;margin-top:6px}.ghost-btn{background:#eef2ff;color:#3730a3}.muted-link{display:inline-block;margin-top:15px;color:var(--muted);font-size:12px}.alert{margin:14px 0;padding:11px;border-radius:11px;font-size:13px;font-weight:800}.alert.error{background:#fee2e2;color:#991b1b}.layout{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:22px 15px;background:#171544;color:#fff}.brand{display:flex;align-items:center;gap:10px;padding:0 8px 24px}.brand>span{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:#fff;color:#4338ca;font-weight:900}.brand strong,.brand small{display:block}.brand small{margin-top:2px;color:#a5b4fc;font-size:10px}.sidebar nav{display:flex;flex-direction:column;gap:6px}.nav-btn{width:100%;border:0;border-radius:11px;padding:11px 12px;background:transparent;color:#c7d2fe;text-align:left;cursor:pointer;font-size:13px;font-weight:800}.nav-btn:hover,.nav-btn.active{background:rgba(255,255,255,.12);color:#fff}.logout-form{margin-top:auto}.logout-form button{width:100%;border:1px solid rgba(255,255,255,.13);border-radius:11px;padding:10px;background:transparent;color:#fca5a5;cursor:pointer;font-weight:800}.content{min-width:0;padding:28px 34px 50px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-head p{margin:0;color:#818cf8;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.page-head h1{margin:3px 0 0;color:#1e1b4b;font-size:28px}.admin-pill{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#475569;font-size:12px;font-weight:800}.online-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.13)}.view{display:none}.view.active{display:block}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}.stat-card{position:relative;overflow:hidden;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 9px 28px rgba(51,65,85,.06)}.stat-card small{display:block;color:var(--muted);font-size:11px;font-weight:800}.stat-card strong{display:block;margin-top:8px;color:#1e1b4b;font-size:28px}.stat-card span{position:absolute;right:14px;top:15px;display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:#eef2ff}.two-col{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}.card{margin-bottom:16px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 9px 28px rgba(51,65,85,.06)}.card-head,.section-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.card-head h2,.section-toolbar h2{margin:0;color:#1e1b4b;font-size:17px}.card-head p,.section-toolbar p{margin:3px 0 0;color:var(--muted);font-size:11px}.mini-list{display:flex;flex-direction:column;gap:8px}.mini-row{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;background:#f8fafc}.avatar{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border-radius:11px;background:#e0e7ff;color:#3730a3;font-weight:900}.mini-main{min-width:0;flex:1}.mini-main strong,.mini-main small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mini-main strong{font-size:12px}.mini-main small{margin-top:2px;color:var(--muted);font-size:10px}.status-badge{display:inline-flex;padding:4px 7px;border-radius:999px;background:#dcfce7;color:#166534;font-size:9px;font-weight:900}.status-badge.inactive{background:#fee2e2;color:#991b1b}.status-badge.neutral{background:#e2e8f0;color:#475569}.audit-row{display:grid;grid-template-columns:150px 160px 1fr 170px;gap:10px;padding:9px 0;border-bottom:1px solid #f1f5f9;font-size:11px}.audit-row:last-child{border-bottom:0}.audit-row span:last-child{color:var(--muted)}.table-card{padding:0;overflow:hidden}.table-tools{display:flex;gap:10px;padding:14px;border-bottom:1px solid var(--line)}.table-tools input{max-width:360px;margin:0}.table-tools select{width:170px;margin:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 14px;border-bottom:1px solid #f1f5f9;text-align:left;vertical-align:top;font-size:12px}th{background:#f8fafc;color:#64748b;font-size:10px;text-transform:uppercase;letter-spacing:.06em}td strong,td small{display:block}td small{margin-top:3px;color:var(--muted)}.row-actions{display:flex;justify-content:flex-end;gap:5px}.icon-action{border:0;border-radius:8px;padding:6px 8px;background:#eef2ff;color:#3730a3;cursor:pointer;font-size:10px;font-weight:900}.icon-action.danger{background:#fee2e2;color:#991b1b}.device-drawer{margin-top:8px;padding:8px;border-radius:10px;background:#f8fafc}.device-line{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid #e2e8f0}.device-line:last-child{border:0}.device-line button{margin-left:auto}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid label{margin:0}.span-2{grid-column:1/-1}.toggle-row{display:flex!important;align-items:center;gap:9px;min-height:42px}.toggle-row input{width:auto;margin:0}.form-grid small{display:block;margin-top:4px;color:var(--muted);font-size:10px}.narrow-form{max-width:720px}.modal{width:min(720px,calc(100% - 28px));max-height:90vh;padding:0;border:0;border-radius:22px;box-shadow:0 30px 90px rgba(15,23,42,.35)}.modal::backdrop{background:rgba(15,23,42,.65);backdrop-filter:blur(6px)}.modal form{padding:22px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.modal-head h2{margin:0;color:#1e1b4b}.modal-head p{margin:3px 0 0;color:var(--muted);font-size:11px}.close-btn{width:36px;height:36px;border:0;border-radius:50%;background:#f1f5f9;color:#475569;font-size:22px;cursor:pointer}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}.grade-options{display:flex;flex-wrap:wrap;gap:8px}.grade-options label{display:flex;align-items:center;gap:5px;padding:6px 8px;border:1px solid #e2e8f0;border-radius:9px;background:#f8fafc}.grade-options input{width:auto;margin:0}fieldset{border:1px solid #e2e8f0;border-radius:12px}legend{padding:0 6px;color:#475569;font-size:12px;font-weight:900}.toast{position:fixed;right:24px;top:22px;z-index:20;max-width:360px;padding:12px 14px;border-radius:12px;background:#dcfce7;color:#166534;box-shadow:0 15px 40px rgba(15,23,42,.15);font-size:12px;font-weight:900}.toast.error{background:#fee2e2;color:#991b1b}.empty-state{padding:22px;text-align:center;color:var(--muted);font-size:12px}@media(max-width:1050px){.stats-grid{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}}@media(max-width:760px){.layout{display:block}.sidebar{position:static;height:auto}.sidebar nav{display:grid;grid-template-columns:repeat(2,1fr)}.logout-form{margin-top:12px}.content{padding:20px 14px}.stats-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.page-head{align-items:flex-start}.audit-row{grid-template-columns:1fr 1fr}.audit-row span:last-child{grid-column:1/-1}.section-toolbar{align-items:flex-start}}@media(max-width:450px){.stats-grid{grid-template-columns:1fr}.sidebar nav{grid-template-columns:1fr}.table-tools{flex-direction:column}.table-tools select{width:100%}}