*{box-sizing:border-box;margin:0;padding:0}
        :root{
            --primary:#059669;--primary-dark:#047857;--primary-light:#22c55e;
            --accent:#06b6d4;--brand-blue:#2563eb;
            --ink:#0f172a;--ink-soft:#1e293b;--muted:#64748b;--muted-soft:#94a3b8;
            --border:#e2e8f0;--bg-soft:#f8fafc;
        }
        html,body{height:100%}
        body{font-family:'Be Vietnam Pro',sans-serif;min-height:100vh;display:flex;overflow-x:hidden;background:#06231a;color:var(--ink)}

        /* ===== Left panel ===== */
        .left-panel{
            flex:1;position:relative;overflow:hidden;color:#fff;
            background:radial-gradient(1200px 600px at 20% 10%,rgba(34,197,94,.55),transparent 60%),
                       radial-gradient(900px 500px at 90% 90%,rgba(6,182,212,.4),transparent 55%),
                       linear-gradient(135deg,#06231a 0%,#065f46 55%,#059669 100%);
            display:flex;flex-direction:column;justify-content:center;padding:64px 72px;
        }
        .blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.45;pointer-events:none;animation:float 14s ease-in-out infinite}
        .blob.b1{width:420px;height:420px;background:#22c55e;top:-120px;right:-120px;animation-delay:-2s}
        .blob.b2{width:520px;height:520px;background:#06b6d4;bottom:-180px;left:-160px;animation-delay:-7s}
        .blob.b3{width:260px;height:260px;background:#a3e635;top:40%;left:60%;opacity:.25;animation-delay:-4s}
        @keyframes float{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(20px,-30px) scale(1.06)}}
        .left-panel::after{
            content:'';position:absolute;inset:0;
            background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                             linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
            background-size:42px 42px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%);
            -webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%);pointer-events:none;
        }
        .left-content{position:relative;z-index:2;max-width:520px;animation:fadeUp .8s ease both}
        @keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

        .left-logo{display:flex;align-items:center;gap:14px;margin-bottom:48px}
        .left-logo-icon{
            width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
            font-size:26px;color:#fff;
            background:linear-gradient(135deg,rgba(255,255,255,.22),rgba(255,255,255,.06));
            border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(10px);
            box-shadow:0 10px 30px rgba(0,0,0,.25),inset 0 1px 0 rgba(255,255,255,.4);
        }
        .left-logo-text{font-size:24px;font-weight:800;letter-spacing:-.02em}
        .left-logo-sub{font-size:12px;opacity:.7;margin-top:2px}

        .badge-pill{
            display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
            background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
            font-size:12px;font-weight:600;backdrop-filter:blur(6px);margin-bottom:18px;
        }
        .badge-pill .dot{width:8px;height:8px;border-radius:50%;background:#a3e635;box-shadow:0 0 0 4px rgba(163,230,53,.25);animation:pulse 2s ease-in-out infinite}
        @keyframes pulse{50%{box-shadow:0 0 0 8px rgba(163,230,53,0)}}

        .left-title{font-size:clamp(1.9rem,3vw,2.6rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin-bottom:18px}
        .left-title .accent{
            background:linear-gradient(90deg,#a7f3d0,#67e8f9 60%,#bef264);
            -webkit-background-clip:text;background-clip:text;color:transparent;
        }
        .left-desc{font-size:15px;opacity:.82;line-height:1.7;margin-bottom:36px;max-width:460px}

        .benefit-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:36px}
        .benefit-item{
            display:flex;align-items:center;gap:12px;font-size:13.5px;font-weight:500;
            padding:12px 14px;border-radius:14px;
            background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
            backdrop-filter:blur(6px);transition:all .25s;
        }
        .benefit-item:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
        .benefit-icon{
            width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
            font-size:15px;flex-shrink:0;
            background:linear-gradient(135deg,rgba(167,243,208,.25),rgba(255,255,255,.08));
            border:1px solid rgba(255,255,255,.15);
        }

        .stats{display:flex;gap:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
        .stat-num{font-size:22px;font-weight:800;letter-spacing:-.02em}
        .stat-num .accent{color:#a7f3d0}
        .stat-label{font-size:11.5px;opacity:.7;margin-top:2px}

        /* ===== Right panel ===== */
        .right-panel{
            width:640px;flex-shrink:0;display:flex;flex-direction:column;justify-content:center;
            padding:48px 72px;background:#fff;position:relative;
        }
        .right-inner{width:100%;max-width:480px;margin:0 auto;animation:fadeUp .8s .1s ease both}

        .mobile-logo{display:none;align-items:center;gap:10px;margin-bottom:24px;justify-content:center}
        .mobile-logo .icon{
            width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
            color:#fff;font-size:18px;background:linear-gradient(135deg,#059669,#06b6d4);
            box-shadow:0 6px 18px rgba(5,150,105,.35);
        }
        .mobile-logo .text{font-size:18px;font-weight:800;color:var(--ink)}

        .form-header{margin-bottom:24px}
        .form-eyebrow{
            display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
            color:var(--primary);background:#ecfdf5;border:1px solid #d1fae5;
            padding:5px 10px;border-radius:999px;margin-bottom:14px;letter-spacing:.04em;text-transform:uppercase;
        }
        .form-header h2{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:8px;letter-spacing:-.02em}
        .form-header p{font-size:14px;color:var(--muted);line-height:1.5}

        .form-label{font-weight:600;font-size:13px;color:#334155;margin-bottom:8px;display:block}
        .input-wrap{
            border:1.5px solid var(--border);border-radius:14px;display:flex;align-items:center;
            overflow:hidden;transition:border-color .2s,box-shadow .2s,background .2s;background:#fff;
        }
        .input-wrap:hover{border-color:#cbd5e1}
        .input-wrap:focus-within{border-color:var(--primary-light);box-shadow:0 0 0 4px rgba(34,197,94,.12);background:#fff}
        .input-wrap i{padding:0 14px;color:var(--muted-soft);font-size:17px;transition:color .2s}
        .input-wrap:focus-within i{color:var(--primary)}
        .input-wrap input{
            flex:1;border:none;outline:none;padding:13px 14px 13px 0;font-size:14.5px;
            font-family:'Be Vietnam Pro',sans-serif;color:var(--ink);background:transparent;
        }
        .input-wrap input::placeholder{color:var(--muted-soft)}
        .input-wrap .toggle-pass{
            background:none;border:none;border-left:1px solid var(--border);
            padding:0 14px;cursor:pointer;color:var(--muted-soft);font-size:16px;height:46px;transition:color .2s;
        }
        .input-wrap .toggle-pass:hover{color:var(--primary)}
        .fg{margin-bottom:16px}
        .fg-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

        .pass-strength{height:5px;border-radius:3px;background:#e2e8f0;margin-top:8px;overflow:hidden}
        .pass-strength-fill{height:100%;border-radius:3px;transition:width .3s,background .3s}
        .pass-hint{font-size:11.5px;color:var(--muted-soft);margin-top:5px;font-weight:500}

        .required{color:#dc2626}

        .btn-register{
            width:100%;padding:15px;border:none;border-radius:14px;color:#fff;font-size:15px;font-weight:700;
            cursor:pointer;transition:all .25s;font-family:'Be Vietnam Pro',sans-serif;margin-top:6px;
            background:linear-gradient(135deg,#047857 0%,#22c55e 50%,#06b6d4 100%);
            background-size:200% 100%;background-position:0% 50%;
            box-shadow:0 8px 24px rgba(34,197,94,.35),inset 0 1px 0 rgba(255,255,255,.2);
            display:flex;align-items:center;justify-content:center;gap:8px;letter-spacing:.01em;
        }
        .btn-register:hover{transform:translateY(-2px);background-position:100% 50%;box-shadow:0 12px 30px rgba(34,197,94,.45)}
        .btn-register:active{transform:translateY(0)}
        .btn-register:disabled{opacity:.7;cursor:not-allowed;transform:none}
        .spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
        @keyframes spin{to{transform:rotate(360deg)}}

        .terms{font-size:12px;color:var(--muted);text-align:center;margin-top:14px;line-height:1.6}
        .terms a{color:var(--primary);text-decoration:none;font-weight:600}
        .terms a:hover{text-decoration:underline}

        .login-link{
            text-align:center;margin-top:22px;padding:14px;border-radius:12px;
            background:var(--bg-soft);border:1px solid var(--border);
            font-size:13.5px;color:var(--muted);
        }
        .login-link a{color:var(--brand-blue);text-decoration:none;font-weight:700}
        .login-link a:hover{text-decoration:underline}

        .alert-box{
            border-radius:12px;font-size:13px;font-weight:500;padding:12px 14px;margin-bottom:16px;
            display:none;align-items:center;gap:10px;animation:slideDown .3s ease;
        }
        @keyframes slideDown{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
        .alert-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626}
        .alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}
        .alert-box i{font-size:16px;flex-shrink:0}

        .footer-text{text-align:center;font-size:11.5px;color:var(--muted-soft);margin-top:18px;line-height:1.6}

        /* ===== Tablet ===== */
        @media(max-width:1100px){
            .right-panel{width:520px;padding:40px 48px}
            .left-panel{padding:48px 48px}
            .benefit-list{grid-template-columns:1fr}
        }
        /* ===== Mobile ===== */
        @media(max-width:860px){
            body{display:block;overflow:auto;background:linear-gradient(135deg,#065f46 0%,#059669 60%,#06b6d4 100%);min-height:100vh;padding:24px 16px}
            .left-panel{display:none}
            .right-panel{
                width:100%;max-width:460px;margin:24px auto;padding:32px 24px;
                border-radius:24px;box-shadow:0 24px 60px rgba(0,0,0,.25),0 8px 24px rgba(0,0,0,.1);
                border:1px solid rgba(255,255,255,.4);
            }
            .mobile-logo{display:flex}
            .form-header h2{font-size:22px}
            .fg-row{grid-template-columns:1fr}
        }
        @media(max-width:420px){.right-panel{padding:28px 20px}}