:root{--p:#4f46e5;--p2:#7c3aed;--ink:#1e1b4b;--mut:#6b7280;--bg:#f5f6fb;--line:#e8eaf3;--red:#ef4444;--ok:#059669;--r:14px;--sh:0 6px 24px rgba(79,70,229,.10)}
*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans Bengali","Kalpurush","Nirmala UI",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--p)}img{max-width:100%}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.muted{color:var(--mut)}.red{color:var(--red);font-weight:700}.center-t{text-align:center;margin-top:28px}

/* buttons / forms (shared) */
.btn{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;border:0;padding:10px 18px;border-radius:10px;text-decoration:none;cursor:pointer;font-size:14px;font-weight:600;display:inline-block;text-align:center;font-family:inherit;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 12px rgba(79,70,229,.25)}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(79,70,229,.32)}
.btn.alt{background:#8591a8;box-shadow:none}.btn.small{padding:5px 12px;font-size:13px}.btn.big{padding:13px 26px;font-size:16px;border-radius:12px}.btn.full{width:100%;display:block}
.btn.ghost{background:transparent;color:var(--p);box-shadow:none;border:1.5px solid var(--p)}
.btn.light{background:#fff;color:var(--p);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.btn.outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);box-shadow:none}
label{display:block;margin-bottom:14px;font-size:14px;font-weight:600}
input,select,textarea{width:100%;padding:11px 12px;margin-top:6px;border:1.5px solid #d9deec;border-radius:10px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);transition:border .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--p);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
.flash{background:#eef2ff;border:1px solid #c7d2fe;padding:11px 14px;border-radius:10px;margin-bottom:16px;font-size:14px}
.flash.err{background:#fef2f2;border-color:#fecaca;color:#b91c1c}.flash.ok{background:#ecfdf5;border-color:#a7f3d0;color:#047857}
.langs a{text-decoration:none;padding:3px 8px;border-radius:8px;font-size:13px;display:inline-block}
.sw{font-size:14px;text-align:center;margin:16px 0 0}.sw a{text-decoration:none;font-weight:600}

/* admin / portal layout */
body.app{display:flex;min-height:100vh}
.side{width:236px;background:linear-gradient(180deg,#1e1b4b,#312e81);color:#fff;padding:18px 12px;flex-shrink:0}
.brand{font-weight:800;font-size:18px;padding:6px 12px 18px}
.side>a{display:block;color:#c7d2fe;text-decoration:none;padding:10px 14px;border-radius:10px;margin-bottom:2px;font-size:14px}
.side>a:hover{background:rgba(255,255,255,.08);color:#fff}.side>a.on{background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-weight:600}
.side .out{margin-top:16px;color:#fecaca}.side .langs{padding:12px 8px}.side .langs a{color:#a5b4fc}.side .langs a.on{background:rgba(255,255,255,.15);color:#fff;font-weight:700}
main{flex:1;padding:28px;min-width:0}main h1{margin:0 0 20px;font-size:26px}main h3{margin:26px 0 12px}
.card{background:#fff;border-radius:var(--r);padding:18px;box-shadow:var(--sh);border:1px solid var(--line);overflow-x:auto;margin-bottom:18px}
.card h3{margin-top:0}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid #eef0f7;font-size:14px}
th{background:#f8f9fe;color:#4b5563;font-weight:700;font-size:13px}tr:hover td{background:#fafbff}
.link{background:none;border:0;color:var(--red);cursor:pointer;padding:0;font-size:14px;font-family:inherit}.act{white-space:nowrap}.act form{display:inline}.act a{margin-right:10px;text-decoration:none;font-weight:600}
.form{max-width:540px}main .form{max-width:560px}
.inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.inline select,.inline input{margin:0;width:auto;min-width:160px}.search{width:230px;margin:0 0 0 10px}
td input[type=radio]{width:auto;margin:0}td input[type=number]{width:110px;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:8px}
.stat{position:relative;margin:0}.stat i{font-style:normal;font-size:26px;position:absolute;right:16px;top:14px;opacity:.9}.stat span{color:var(--mut);font-size:13px}.stat b{display:block;font-size:24px;margin-top:6px}

/* auth (login / register) */
body.auth{background:#fff}
.auth-wrap{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.auth-art{background:linear-gradient(140deg,#3730a3,#6d28d9 55%,#db2777);color:#fff;padding:44px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-art:before,.auth-art:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}
.auth-art:before{width:380px;height:380px;right:-120px;top:-100px}.auth-art:after{width:260px;height:260px;left:-80px;bottom:-60px}
.auth-art>*{position:relative;z-index:1}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:20px;display:inline-flex;align-items:center;gap:8px}.logo span{font-size:26px}
.art-body h2{font-size:34px;line-height:1.25;margin:0 0 12px}.art-body p{opacity:.9;font-size:16px;margin:0 0 22px}
.art-body ul{list-style:none;padding:0;margin:0}.art-body li{padding:8px 0 8px 32px;position:relative}.art-body li:before{content:"✓";position:absolute;left:0;top:7px;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.2);text-align:center;font-size:13px;line-height:22px}
.auth-art small{opacity:.75}
.auth-form{padding:28px 40px;max-width:520px;width:100%;margin:0 auto;display:flex;flex-direction:column;justify-content:center}
.langs.top{text-align:right;margin-bottom:10px}.langs.top a{color:var(--mut)}.langs.top a.on{background:#eef2ff;color:var(--p);font-weight:700}
.ttl{margin:0 0 4px;font-size:28px}.sub{margin:0 0 20px;color:var(--mut)}
.tabs{display:flex;gap:4px;background:#eef0fb;padding:4px;border-radius:12px;margin-bottom:22px}
.tabs a{flex:1;text-align:center;padding:10px 6px;border-radius:9px;text-decoration:none;color:var(--mut);font-weight:600;font-size:14px}.tabs a.on{background:#fff;color:var(--p);box-shadow:0 2px 8px rgba(0,0,0,.08)}
.auth-card{max-width:none}.pw{position:relative}.pw input{padding-right:46px}.eye{position:absolute;right:6px;top:11px;background:none;border:0;cursor:pointer;font-size:17px;opacity:.6}
body.center{display:flex;justify-content:center;align-items:center;min-height:100vh}body.center .form{width:100%;max-width:400px}

/* public home page */
.topnav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:66px}
.topnav .logo{color:var(--ink)}.nav-links{display:flex;gap:22px}.nav-links a{text-decoration:none;color:#4b5563;font-weight:600;font-size:14px}.nav-links a:hover{color:var(--p)}
.nav-act{display:flex;align-items:center;gap:10px}.langs.light a{color:var(--mut)}.langs.light a.on{background:#eef2ff;color:var(--p);font-weight:700}
.hero{background:linear-gradient(135deg,#3730a3,#6d28d9 55%,#db2777);color:#fff;position:relative;overflow:hidden;padding:76px 0 110px}
.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(255,255,255,.07);right:-150px;top:-180px}
.hero-in{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center;position:relative}
.pill{display:inline-block;background:rgba(255,255,255,.16);padding:6px 14px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.2;margin:0 0 16px}.hero p{font-size:18px;opacity:.92;margin:0 0 28px;max-width:520px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.login-links{margin-top:26px;display:flex;gap:18px;flex-wrap:wrap}.login-links a{color:#fff;opacity:.85;text-decoration:none;font-size:14px;border-bottom:1px dashed rgba(255,255,255,.5)}.login-links a:hover{opacity:1}
.hero-art{position:relative;height:340px}
.orb{position:absolute;inset:0;margin:auto;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.14);border:2px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:104px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.chip{position:absolute;background:#fff;color:var(--ink);padding:10px 16px;border-radius:14px;font-weight:700;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.2);animation:fl 4s ease-in-out infinite}
.c1{left:2%;top:10%}.c2{right:0;top:38%;animation-delay:1s}.c3{left:12%;bottom:6%;animation-delay:2s}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-56px;position:relative;z-index:2}
.stat-box{background:#fff;border-radius:16px;padding:20px;text-align:center;box-shadow:0 10px 30px rgba(30,27,75,.12);border:1px solid var(--line)}
.stat-box i{font-style:normal;font-size:26px;display:block}.stat-box b{display:block;font-size:30px;color:var(--p);margin:2px 0}.stat-box span{color:var(--mut);font-size:13px}
.sec{padding:70px 0}.sec.alt{background:#fff}.sec-t{text-align:center;font-size:30px;margin:0 0 36px}
.cgrid,.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .2s}.ccard:hover{transform:translateY(-4px)}
.cico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#e0e7ff,#f5d0fe);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:12px}
.ccard h3{margin:0 0 8px;font-size:19px}.ccard p{color:var(--mut);font-size:14px;margin:0 0 14px;flex:1}
.cmeta{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-size:14px;color:var(--mut)}.cmeta b{color:var(--p);font-size:17px}
.fcard{background:var(--bg);border-radius:18px;padding:24px;border:1px solid var(--line)}
.fico{width:50px;height:50px;border-radius:14px;background:#fff;box-shadow:var(--sh);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:12px}
.fcard h3{margin:0 0 6px;font-size:18px}.fcard p{margin:0;color:var(--mut);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;text-align:center;box-shadow:var(--sh)}
.step span{display:inline-flex;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--p),var(--p2));color:#fff;font-weight:800;font-size:20px;align-items:center;justify-content:center;margin-bottom:10px}.step p{margin:0;font-weight:600}
.foot{background:#1e1b4b;color:#a5b4fc;padding:26px 0;text-align:center;font-size:14px}

@media(max-width:860px){
  .auth-wrap{grid-template-columns:1fr}.auth-art{padding:22px 24px}.art-body{display:none}.auth-art small{display:none}.auth-form{padding:24px 20px}
  .hero-in{grid-template-columns:1fr}.hero-art{display:none}.hero h1{font-size:32px}.hero{padding:48px 0 90px}
  .stats{grid-template-columns:repeat(2,1fr)}.nav-links{display:none}.nav-act .btn.ghost{display:none}
  body.app{display:block}.side{width:100%;display:flex;flex-wrap:wrap;padding:8px}.brand{width:100%;padding:8px 10px}.side>a{padding:8px 10px;font-size:13px}main{padding:16px}
}

/* v3 additions */
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}.two .form{max-width:none}
.welcome{background:linear-gradient(135deg,#4338ca,#7c3aed 60%,#db2777);color:#fff;border-radius:18px;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;box-shadow:0 10px 30px rgba(79,70,229,.25)}
.welcome h2{margin:0 0 4px;font-size:24px}.welcome p{margin:0;opacity:.9}.welcome .btn{box-shadow:none}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.b-ok{background:#d1fae5;color:#047857}.b-warn{background:#fef3c7;color:#b45309}.b-info{background:#dbeafe;color:#1d4ed8}.b-gray{background:#e5e7eb;color:#4b5563}
.bars{display:flex;align-items:flex-end;gap:16px;height:200px;padding-top:10px}
.bar{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.bar i{display:block;width:62%;min-height:3px;background:linear-gradient(180deg,#7c3aed,#4f46e5);border-radius:8px 8px 0 0}
.bar em{font-style:normal;font-size:12px;color:var(--mut);margin-bottom:4px}.bar small{margin-top:6px;color:var(--mut);font-size:12px}
.prog{display:inline-block;vertical-align:middle;width:90px;height:8px;background:#e5e7eb;border-radius:8px;overflow:hidden;margin-right:6px}.prog i{display:block;height:100%;background:linear-gradient(90deg,#10b981,#059669)}
.meta{list-style:none;padding:0;margin:0 0 12px;font-size:14px;color:#4b5563}.meta li{padding:3px 0}
pre{background:#f3f4f6;padding:12px;border-radius:10px;overflow:auto;font-size:13px}
@media(max-width:860px){.two{grid-template-columns:1fr}.welcome{flex-direction:column;align-items:flex-start}}

/* payments */
.b-red{background:#fee2e2;color:#b91c1c}
.paygrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:14px 0 18px}
.paycard{background:#fff;border-radius:14px;padding:16px;box-shadow:var(--sh);border:1px solid var(--line)}
.paycard b{font-size:18px;display:block}.paycard span{color:var(--mut);font-size:13px}
.paycard .num{margin-top:10px;font-size:20px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:8px}
.copy{border:0;background:#eef2ff;border-radius:8px;padding:4px 8px;cursor:pointer;font-size:14px}
.mlabel{font-size:14px;font-weight:600;margin-bottom:6px}.mrow{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.mcard{margin:0;flex:1;min-width:90px}.mcard input{display:none}
.mcard span{display:block;text-align:center;padding:11px 8px;border:2px solid #d9deec;border-radius:12px;font-weight:700;cursor:pointer;background:#fff}
.mcard input:checked+span{border-color:var(--c);color:#fff;background:var(--c)}
.rej{display:inline-flex;gap:6px;margin-top:6px}.rej input{margin:0;padding:5px 8px;width:120px;font-size:13px}
.paylink{display:inline-block;margin-left:6px;background:#4f46e5;color:#fff!important;padding:2px 9px;border-radius:8px;font-size:12px;text-decoration:none}