:root{
    --auth-primary:#0f5aa6;
    --auth-primary-2:#0ea5e9;
    --auth-dark:#0f172a;
    --auth-muted:#64748b;
    --auth-border:#dbe5f0;
    --auth-bg:#f5f8fc;
    --auth-card:#ffffff;
    --auth-orange:#f97316;
    --auth-green:#16a34a;
    --auth-red:#dc2626;
    --auth-shadow:0 14px 34px rgba(15,23,42,.08);
    --auth-shadow-lg:0 24px 70px rgba(8,47,99,.18);
}
*{box-sizing:border-box;}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;}
body.cb-auth-page{margin:0;background:radial-gradient(circle at 6% 0%, rgba(14,165,233,.18) 0, transparent 320px),radial-gradient(circle at 92% 18%, rgba(249,115,22,.10) 0, transparent 330px),radial-gradient(circle at 90% 100%, rgba(15,118,110,.12) 0, transparent 360px),var(--auth-bg);color:var(--auth-dark);font-family:"Segoe UI","Noto Sans Bengali","Helvetica Neue",Arial,sans-serif;font-size:15px;line-height:1.65;letter-spacing:-.01em;}
a{text-decoration:none;color:inherit;}button,input,select{font-family:inherit;}
.cb-auth-main{max-width:1220px;margin:0 auto;padding:26px 16px 44px;}
.cb-auth-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.72fr);gap:22px;align-items:stretch;}
.cb-auth-layout-compact{grid-template-columns:minmax(0,.95fr) minmax(360px,.70fr);}
.cb-auth-hero{background:radial-gradient(circle at 90% 0%, rgba(255,255,255,.18) 0, transparent 280px),linear-gradient(135deg,#082f63 0%, #0f5aa6 54%, #0f766e 100%);color:#fff;border-radius:30px;padding:30px;box-shadow:var(--auth-shadow-lg);min-height:560px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative;}
.cb-auth-layout-compact .cb-auth-hero{min-height:480px;}
.cb-auth-hero:before{content:"";position:absolute;right:-110px;bottom:-130px;width:330px;height:330px;border-radius:50%;background:rgba(250,204,21,.12);}
.cb-auth-hero>*{position:relative;z-index:2;}
.cb-auth-kicker{display:inline-flex;align-items:center;gap:8px;width:max-content;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.23);border-radius:999px;padding:8px 13px;font-size:12px;font-weight:800;margin-bottom:14px;}
.cb-auth-hero h1{margin:0;max-width:720px;font-size:42px;line-height:1.08;font-weight:900;letter-spacing:-.055em;}
.cb-auth-hero h1 span{color:#facc15;}
.cb-auth-hero p{margin:14px 0 0;max-width:710px;color:rgba(255,255,255,.86);font-size:16px;}
.cb-auth-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:26px;}
.cb-auth-feature{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);border-radius:18px;padding:15px;backdrop-filter:blur(10px);}
.cb-auth-feature b{display:block;color:#fff;font-size:15px;margin-bottom:4px;}
.cb-auth-feature span{display:block;color:rgba(255,255,255,.78);font-size:13px;}
.cb-auth-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:28px;}
.cb-auth-stat{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.20);border-radius:18px;padding:14px;}
.cb-auth-stat strong{display:block;font-size:20px;line-height:1.1;color:#fff;}
.cb-auth-stat span{display:block;margin-top:4px;color:rgba(255,255,255,.76);font-size:12px;font-weight:700;}
.cb-auth-panel{background:#fff;border:1px solid var(--auth-border);border-radius:30px;box-shadow:var(--auth-shadow);padding:26px;min-height:560px;display:flex;flex-direction:column;justify-content:center;}
.cb-auth-layout-compact .cb-auth-panel{min-height:480px;}
.cb-auth-brand{text-align:left;margin-bottom:20px;}
.cb-auth-logo-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.cb-auth-logo{width:46px;height:46px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--auth-orange),#facc15);color:#fff;font-size:23px;font-weight:900;box-shadow:0 14px 30px rgba(249,115,22,.22);}
.cb-auth-brand h2{margin:0;font-size:26px;line-height:1.2;color:#082f63;font-weight:900;letter-spacing:-.035em;}
.cb-auth-brand p{margin:6px 0 0;color:var(--auth-muted);font-size:14px;}
.cb-auth-alert{border-radius:16px;padding:13px 14px;margin-bottom:16px;font-size:14px;font-weight:700;}
.cb-auth-alert ul{margin:0;padding-left:20px;}
.cb-auth-alert-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;}
.cb-auth-alert-success{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0;}
.cb-auth-form{display:grid;gap:14px;}
.cb-auth-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;}
.cb-auth-span-2{grid-column:1/-1;}
.cb-auth-field label,.cb-auth-label-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:7px;font-size:13px;font-weight:850;color:#1e293b;}
.cb-auth-forgot{color:var(--auth-primary)!important;font-size:12px;font-weight:900;white-space:nowrap;}
.cb-auth-field small{color:var(--auth-muted);font-weight:600;}
.cb-auth-input,.cb-auth-select{width:100%;height:48px;background:#f8fafc;border:1px solid var(--auth-border);border-radius:15px;padding:0 13px;color:#0f172a;outline:none;font-size:14px;transition:.18s ease;}
.cb-auth-input:focus,.cb-auth-select:focus{background:#fff;border-color:var(--auth-primary-2);box-shadow:0 0 0 4px rgba(14,165,233,.12);}
.cb-auth-submit{min-height:50px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--auth-orange),#facc15);color:#fff;font-size:15px;font-weight:900;cursor:pointer;margin-top:4px;box-shadow:0 16px 34px rgba(249,115,22,.20);transition:.18s ease;}
.cb-auth-submit:hover{transform:translateY(-1px);}
.cb-auth-links{margin-top:18px;display:grid;gap:10px;text-align:center;color:var(--auth-muted);font-size:14px;}
.cb-auth-links a{color:var(--auth-primary);font-weight:850;}
.cb-auth-back{display:inline-flex;justify-content:center;align-items:center;gap:6px;color:var(--auth-muted)!important;}
.cb-auth-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:15px;}
.cb-auth-switch-card{border:1px solid var(--auth-border);background:#f8fafc;border-radius:16px;padding:12px;}
.cb-auth-switch-card strong{display:block;color:#0f172a;font-size:13px;margin-bottom:3px;}
.cb-auth-switch-card span{display:block;color:var(--auth-muted);font-size:12px;line-height:1.35;}
.cb-auth-note{margin-top:14px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:16px;padding:12px;color:#075985;font-size:13px;font-weight:700;}
.cb-auth-test-link{background:#fff7ed;border:1px solid #fed7aa;border-radius:18px;padding:14px;margin-bottom:16px;color:#9a3412;}
.cb-auth-test-link strong{display:block;font-size:14px;margin-bottom:4px;color:#9a3412;}
.cb-auth-test-link p{margin:0 0 10px;font-size:13px;}
.cb-auth-test-link input{width:100%;height:44px;border:1px solid #fed7aa;border-radius:12px;background:#fff;color:#0f172a;padding:0 10px;margin-bottom:10px;font-size:12px;}
.cb-auth-mini-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:#f97316;color:#fff!important;padding:9px 12px;font-weight:900;font-size:13px;}
@media(max-width:980px){.cb-auth-layout,.cb-auth-layout-compact{grid-template-columns:1fr;}.cb-auth-hero,.cb-auth-panel,.cb-auth-layout-compact .cb-auth-hero,.cb-auth-layout-compact .cb-auth-panel{min-height:auto;}}
@media(max-width:680px){.cb-auth-main{padding:16px 12px 34px;}.cb-auth-hero{padding:22px;border-radius:24px;}.cb-auth-hero h1{font-size:31px;}.cb-auth-hero p{font-size:14px;}.cb-auth-feature-grid,.cb-auth-switch,.cb-auth-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;}.cb-auth-feature{padding:12px;border-radius:15px;}.cb-auth-feature b{font-size:13px;}.cb-auth-feature span{font-size:11.5px;}.cb-auth-panel{padding:19px;border-radius:24px;}.cb-auth-brand h2{font-size:23px;}.cb-auth-form-grid{grid-template-columns:1fr;gap:0;}.cb-auth-span-2{grid-column:auto;}.cb-auth-input,.cb-auth-select{height:47px;}.cb-auth-label-row{align-items:flex-start;}}
@media(max-width:420px){.cb-auth-feature-grid,.cb-auth-stats,.cb-auth-switch{grid-template-columns:repeat(2,minmax(0,1fr));}.cb-auth-feature,.cb-auth-stat,.cb-auth-switch-card{padding:10px;}.cb-auth-stat strong{font-size:17px;}.cb-auth-stat span,.cb-auth-switch-card span{font-size:11px;}}