:root{
 --bg:#060812;--bg2:#0a1020;--panel:rgba(15,23,42,.78);--panel2:rgba(17,27,49,.94);
 --text:#f8fbff;--muted:#90a4bf;--blue:#36a3ff;--purple:#8b5cf6;--cyan:#24d6ff;
 --gold:#ffc857;--green:#22c55e;--red:#ef4444;--border:rgba(255,255,255,.09);
 --shadow:0 30px 80px rgba(0,0,0,.38);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.v11{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:
 radial-gradient(circle at 15% 0%,rgba(54,163,255,.15),transparent 30%),
 radial-gradient(circle at 85% 10%,rgba(139,92,246,.14),transparent 28%),
 linear-gradient(180deg,var(--bg),#03050b 70%);color:var(--text);min-height:100vh}
a{color:inherit;text-decoration:none}
.v11-wrap{max-width:1180px;margin:auto;padding:0 18px}
.v11-nav{position:sticky;top:0;z-index:50;background:rgba(4,7,15,.72);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.v11-navin{height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.v11-brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.08em}
.v11-logo{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#7dd3fc,#2563eb 45%,#5b21b6 78%);box-shadow:0 0 30px rgba(54,163,255,.38)}
.v11-links{display:flex;gap:20px;color:#c8d5e8;font-size:.93rem}
.v11-actions{display:flex;gap:10px}
.btn{border:0;border-radius:14px;padding:12px 18px;font-weight:800;cursor:pointer;transition:.2s}
.btn-primary{color:white;background:linear-gradient(135deg,#2563eb,#7c3aed);box-shadow:0 12px 30px rgba(73,79,255,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{color:white;background:rgba(255,255,255,.06);border:1px solid var(--border)}
.hero{padding:72px 0 34px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:44px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(36,214,255,.2);background:rgba(36,214,255,.07);border-radius:999px;color:#bdefff;font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.hero h1{font-size:clamp(2.8rem,7vw,5.8rem);line-height:.93;margin:18px 0 18px;letter-spacing:-.05em}
.grad{background:linear-gradient(90deg,#fff 0,#79d8ff 35%,#a78bfa 78%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.08rem;line-height:1.75;color:var(--muted);max-width:680px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}
.stat{padding:16px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid var(--border)}
.stat strong{display:block;font-size:1.2rem}
.stat small{color:var(--muted)}
.trophy-stage{min-height:500px;position:relative;display:grid;place-items:center;perspective:1200px}
.orbit{position:absolute;width:390px;height:390px;border-radius:50%;border:1px solid rgba(86,182,255,.28);box-shadow:0 0 80px rgba(62,142,255,.12),inset 0 0 70px rgba(139,92,246,.05);transform:rotateX(72deg);animation:spin 18s linear infinite}
.orbit.o2{width:280px;height:280px;animation-duration:11s;animation-direction:reverse}
.trophy{position:relative;width:260px;height:320px;display:grid;place-items:center;transform-style:preserve-3d;animation:float 4s ease-in-out infinite}
.trophy-core{width:170px;height:170px;border-radius:50%;background:
 radial-gradient(circle at 35% 25%,#fff7c7 0 4%,#ffd56a 14%,#d99d20 48%,#8a5b0b 70%,#3d2403 100%);
 box-shadow:inset -18px -18px 30px rgba(77,41,0,.35),0 0 55px rgba(255,194,71,.32);position:relative}
.trophy-core:before,.trophy-core:after{content:"";position:absolute;top:38px;width:65px;height:80px;border:18px solid #c78a16;border-radius:50%}
.trophy-core:before{left:-60px;border-right:0}.trophy-core:after{right:-60px;border-left:0}
.trophy-stem{width:30px;height:78px;background:linear-gradient(#f7c951,#9a650d);margin:auto}
.trophy-base{width:160px;height:34px;background:linear-gradient(180deg,#f0bf49,#7a4a07);border-radius:8px;box-shadow:0 16px 50px rgba(0,0,0,.35)}
.glowfloor{position:absolute;bottom:45px;width:330px;height:80px;border-radius:50%;background:radial-gradient(ellipse,rgba(46,170,255,.35),rgba(139,92,246,.14) 45%,transparent 70%);filter:blur(4px)}
@keyframes float{50%{transform:translateY(-14px) rotateY(6deg)}} @keyframes spin{to{transform:rotateX(72deg) rotateZ(360deg)}}
.section{padding:40px 0 70px}.section h2{font-size:clamp(2rem,4vw,3.5rem);margin:0 0 10px}.section-lead{color:var(--muted);max-width:700px;line-height:1.7}
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.glass{background:linear-gradient(180deg,rgba(20,31,56,.82),rgba(11,17,32,.88));border:1px solid var(--border);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(54,163,255,.18),rgba(139,92,246,.2));font-size:1.35rem;margin-bottom:14px}
.glass h3{margin:0 0 8px}.glass p{margin:0;color:var(--muted);line-height:1.55}
.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh;background:var(--bg)}
.sidebar{padding:20px 14px;background:rgba(7,11,22,.94);border-right:1px solid var(--border);position:sticky;top:0;height:100vh}
.sidebrand{display:flex;align-items:center;gap:10px;font-weight:900;margin:4px 8px 22px}
.side-menu{display:grid;gap:6px}.side-menu a{padding:11px 12px;border-radius:12px;color:#b8c7db}.side-menu a.active,.side-menu a:hover{background:rgba(54,163,255,.09);color:white}
.main{padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}
.dashgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:18px;border-radius:18px;background:var(--panel);border:1px solid var(--border)}.metric span{color:var(--muted);font-size:.82rem}.metric strong{display:block;font-size:1.6rem;margin-top:8px}
.split{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-top:16px}
.list{display:grid;gap:10px}.list-row{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--border)}
.badge{padding:6px 9px;border-radius:999px;font-size:.75rem;font-weight:800;background:rgba(34,197,94,.11);color:#8df0ae}
.phone{width:min(360px,100%);margin:auto;border:10px solid #0d1424;border-radius:38px;padding:14px;background:#08111f;box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.08)}
.player-card{padding:16px;border-radius:20px;background:linear-gradient(135deg,rgba(54,163,255,.12),rgba(139,92,246,.14));border:1px solid var(--border)}
.menu4{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.menu4 a{padding:18px 10px;border-radius:16px;text-align:center;background:rgba(255,255,255,.05);border:1px solid var(--border);font-weight:800}
.security-check{max-width:680px;margin:50px auto}.checkrow{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--border)}.ok{color:#6ee7a0}
.waiting{text-align:center;max-width:760px;margin:60px auto}.countdown{font-size:clamp(4rem,12vw,8rem);font-weight:900;letter-spacing:-.05em;background:linear-gradient(180deg,#fff,#8fb8ff);-webkit-background-clip:text;color:transparent}
.quiz-shell{max-width:960px;margin:0 auto;padding:24px}.quiz-top{display:flex;justify-content:space-between;align-items:center}.qbox{margin-top:18px;padding:28px;border-radius:26px;background:var(--panel2);border:1px solid var(--border);box-shadow:var(--shadow)}.question{font-size:clamp(1.5rem,4vw,2.6rem);font-weight:850;line-height:1.2;margin:12px 0 24px}.timer{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;border:7px solid rgba(255,255,255,.11);font-weight:900;font-size:1.4rem}
.answers{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer{padding:18px;border-radius:16px;border:1px solid var(--border);background:rgba(255,255,255,.05);color:white;text-align:left;font-size:1rem;font-weight:700}.answer:hover{border-color:var(--blue);background:rgba(54,163,255,.1)}
.result{text-align:center;max-width:720px;margin:60px auto}.rank{font-size:6rem;font-weight:900;color:#a78bfa;text-shadow:0 0 35px rgba(167,139,250,.35)}
.footer{padding:34px 0;border-top:1px solid var(--border);color:var(--muted)}
@media(max-width:900px){
 .hero-grid,.split{grid-template-columns:1fr}.trophy-stage{min-height:390px}.hero-stats{grid-template-columns:1fr 1fr}.cardgrid{grid-template-columns:1fr 1fr}
 .app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.dashgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
 .v11-links{display:none}.hero{padding-top:42px}.hero-stats,.cardgrid,.dashgrid,.answers{grid-template-columns:1fr}
 .trophy-stage{min-height:330px}.orbit{width:290px;height:290px}.trophy{transform:scale(.82)}
 .main{padding:14px}.v11-navin{height:62px}.btn{padding:10px 13px}
}

/* V12 full-platform unification */
.container{max-width:1180px;margin:auto}
.card{background:linear-gradient(180deg,rgba(20,31,56,.82),rgba(11,17,32,.9));border:1px solid var(--border);border-radius:20px;padding:18px;margin-bottom:14px;box-shadow:var(--shadow)}
input,select,textarea{width:100%;background:rgba(255,255,255,.055);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px 13px;margin:6px 0 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(54,163,255,.09)}
textarea{min-height:120px;resize:vertical}button{border:0;border-radius:12px;padding:11px 15px;font-weight:800;background:linear-gradient(135deg,#2563eb,#7c3aed);color:white;cursor:pointer}
table{width:100%;border-collapse:collapse}th,td{padding:12px 10px;border-bottom:1px solid var(--border);text-align:left}
th{color:#c9d6e8;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}.muted{color:var(--muted)}
pre{background:rgba(0,0,0,.2);padding:12px;border-radius:12px;border:1px solid var(--border);white-space:pre-wrap}

/* =========================
   V13 Production Polish
   ========================= */
:root{--toast-bg:#0f172a;--toast-ok:#22c55e;--toast-warn:#f59e0b;--toast-bad:#ef4444}
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;background:
radial-gradient(circle at 20% 0%,rgba(54,163,255,.17),transparent 31%),
radial-gradient(circle at 80% 12%,rgba(139,92,246,.16),transparent 30%),
linear-gradient(180deg,#050711,#03050a)}
.auth-art{padding:50px;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--border)}
.auth-card-wrap{display:grid;place-items:center;padding:28px}
.auth-card{width:min(500px,100%);background:rgba(11,17,32,.9);border:1px solid var(--border);border-radius:26px;padding:26px;box-shadow:var(--shadow)}
.auth-card h1{margin:0 0 8px;font-size:2rem}.auth-card p{color:var(--muted);line-height:1.6}
.auth-visual{min-height:360px;display:grid;place-items:center;position:relative}
.auth-sphere{width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at 35% 25%,#dff6ff,#36a3ff 24%,#6745dd 58%,#11152a 76%);box-shadow:0 0 80px rgba(69,126,255,.35),inset -26px -30px 50px rgba(3,8,26,.35)}
.auth-ring{position:absolute;width:310px;height:100px;border:1px solid rgba(94,203,255,.25);border-radius:50%;transform:rotate(-12deg);box-shadow:0 0 55px rgba(54,163,255,.1)}
.field-label{display:block;color:#cdd8e8;font-size:.86rem;font-weight:700;margin-top:8px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.auth-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:8px 0 16px;color:var(--muted);font-size:.9rem}
.lang-switch{display:flex;gap:6px;padding:4px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:999px}
.lang-switch button{background:transparent;padding:7px 10px;border-radius:999px;font-size:.8rem}.lang-switch button.active{background:linear-gradient(135deg,#2563eb,#7c3aed)}
.mobile-bottom{display:none}
.toast-stack{position:fixed;right:18px;top:82px;z-index:9999;display:grid;gap:10px;max-width:min(360px,calc(100vw - 36px))}
.toast{background:rgba(15,23,42,.96);border:1px solid var(--border);border-radius:14px;padding:12px 14px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;animation:toastIn .22s ease}
.toast.ok{border-left:4px solid var(--toast-ok)}.toast.warn{border-left:4px solid var(--toast-warn)}.toast.bad{border-left:4px solid var(--toast-bad)}
@keyframes toastIn{from{transform:translateY(-8px);opacity:0}to{transform:none;opacity:1}}
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,.04),rgba(255,255,255,.09),rgba(255,255,255,.04));background-size:240% 100%;animation:sk 1.2s linear infinite;border-radius:10px;min-height:18px}
@keyframes sk{to{background-position:-240% 0}}
.empty-state{text-align:center;padding:42px 18px;border:1px dashed rgba(255,255,255,.14);border-radius:20px;background:rgba(255,255,255,.025)}
.empty-state .big{font-size:2.7rem;margin-bottom:10px}.empty-state p{color:var(--muted);max-width:500px;margin:8px auto 18px}
.chart-wrap{position:relative;height:260px}.chart-bars{position:absolute;inset:20px 0 30px;display:flex;align-items:end;gap:9px}.chart-bars i{flex:1;border-radius:8px 8px 2px 2px;background:linear-gradient(180deg,#36a3ff,#7c3aed);min-width:8px}
.chart-axis{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;color:var(--muted);font-size:.75rem}
.kpi-trend{font-size:.78rem;color:#73e69c}.kpi-trend.down{color:#ff9292}
.locale-bn .en-only{display:none!important}.locale-en .bn-only{display:none!important}
.inline-actions{display:flex;gap:8px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid var(--border);font-size:.78rem}
@media(max-width:900px){
 .auth-shell{grid-template-columns:1fr}.auth-art{display:none}
 .mobile-bottom{display:grid;position:fixed;left:10px;right:10px;bottom:10px;z-index:90;grid-template-columns:repeat(5,1fr);background:rgba(7,11,22,.9);backdrop-filter:blur(18px);border:1px solid var(--border);border-radius:18px;padding:7px;box-shadow:var(--shadow)}
 .mobile-bottom a{display:grid;place-items:center;gap:3px;padding:7px 3px;color:#afbdd2;font-size:.68rem;border-radius:12px}.mobile-bottom a span{font-size:1.15rem}.mobile-bottom a.active{background:rgba(54,163,255,.1);color:white}
 .main{padding-bottom:90px}.sidebar{display:none}
}
@media(max-width:560px){.form-row{grid-template-columns:1fr}.auth-card-wrap{padding:14px}.auth-card{padding:20px;border-radius:20px}}