* { margin:0; padding:0; box-sizing:border-box; }
        body { font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif; background:#f0fafa; min-height:100vh; color:#222; font-size:17px; }

        /* HEADER */
        .page-header { background:linear-gradient(135deg,#20b2aa,#17a2b8); color:white; padding:24px 36px; display:flex; align-items:center; justify-content:space-between; box-shadow:0 4px 20px rgba(32,178,170,.35); flex-wrap:wrap; gap:14px; }
        .header-brand { display:flex; align-items:center; gap:14px; }
        .header-icon { width:52px; height:52px; background:rgba(255,255,255,.2); border-radius:13px; display:flex; align-items:center; justify-content:center; font-size:26px; }
        .header-brand h1 { font-size:26px; font-weight:800; }
        .header-brand p  { font-size:16px; opacity:.85; margin-top:2px; }
        .back-btn { display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.2); color:white; text-decoration:none; padding:12px 22px; border-radius:10px; font-size:16px; font-weight:600; transition:background .3s; }
        .back-btn:hover { background:rgba(255,255,255,.32); }

        /* HERO */
        .hero { text-align:center; padding:44px 24px 32px; max-width:760px; margin:0 auto; }
        .hero .badge { display:inline-block; background:#d0f4f2; color:#0e8a87; font-size:14px; font-weight:700; padding:7px 18px; border-radius:30px; letter-spacing:1px; text-transform:uppercase; margin-bottom:16px; }
        .hero h2 { font-size:36px; font-weight:900; color:#1a1a2e; line-height:1.2; margin-bottom:14px; }
        .hero h2 span { color:#20b2aa; }
        .hero p { font-size:18px; color:#444; line-height:1.8; }

        /* TABS */
        .tab-wrapper { max-width:940px; margin:0 auto 10px; padding:0 20px; }
        .tab-bar { display:flex; background:white; border-radius:16px; padding:6px; box-shadow:0 4px 20px rgba(0,0,0,.08); gap:6px; }
        .tab-btn { flex:1; padding:16px 12px; border:none; border-radius:12px; font-size:15px; font-weight:700; cursor:pointer; background:transparent; color:#888; transition:all .3s; display:flex; align-items:center; justify-content:center; gap:8px; }
        .tab-btn.active { background:linear-gradient(135deg,#20b2aa,#17a2b8); color:white; box-shadow:0 4px 14px rgba(32,178,170,.4); }
        .tab-btn:not(.active):hover { background:#f0fafa; color:#20b2aa; }
        .tab-num { width:26px; height:26px; border-radius:50%; background:rgba(255,255,255,.25); display:flex; align-items:center; justify-content:center; font-size:13px; font-weight:800; flex-shrink:0; }
        .tab-btn:not(.active) .tab-num { background:#e8f7f7; color:#20b2aa; }

        /* PANELS */
        .panel-wrapper { max-width:940px; margin:16px auto 60px; padding:0 20px; }
        .panel { display:none; }
        .panel.active { display:block; animation:fadeUp .4s ease; }
        @keyframes fadeUp { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }

        /* NOTE BOX */
        .note-box { background:linear-gradient(135deg,#e8f8f7,#d6f5f2); border:1.5px solid #a0ddd9; border-radius:14px; padding:18px 22px; font-size:17px; color:#0e6e6b; display:flex; align-items:flex-start; gap:12px; line-height:1.8; margin-bottom:20px; }
        .note-box i { font-size:22px; flex-shrink:0; margin-top:2px; }

        /* VISUAL STEP CARD */
        .vstep { background:white; border-radius:20px; margin-bottom:20px; box-shadow:0 4px 20px rgba(0,0,0,.07); overflow:hidden; border-top:5px solid #20b2aa; transition:transform .2s,box-shadow .2s; }
        .vstep:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(0,0,0,.11); }
        .vstep-inner { display:flex; align-items:stretch; }

        /* image side */
        .vstep-img-wrap { flex:0 0 320px; background:#e8f8f7; display:flex; align-items:center; justify-content:center; padding:16px; border-right:2px solid #d0eeec; position:relative; }
        .vstep-img-wrap img { width:100%; max-width:290px; border-radius:12px; box-shadow:0 4px 16px rgba(0,0,0,.15); display:block; cursor:pointer; transition:transform .2s; }
        .vstep-img-wrap img:hover { transform:scale(1.02); }
        .zoom-hint { position:absolute; bottom:18px; right:18px; background:rgba(32,178,170,.85); color:white; font-size:13px; font-weight:700; padding:5px 12px; border-radius:20px; pointer-events:none; }

        /* text side */
        .vstep-text { flex:1; padding:28px 32px; display:flex; flex-direction:column; justify-content:center; gap:14px; }
        .vstep-header { display:flex; align-items:center; gap:16px; }
        .vstep-num { width:54px; height:54px; border-radius:50%; background:linear-gradient(135deg,#20b2aa,#17a2b8); color:white; font-size:22px; font-weight:900; display:flex; align-items:center; justify-content:center; flex-shrink:0; box-shadow:0 3px 10px rgba(32,178,170,.4); }
        .vstep-subtitle { font-size:13px; color:#20b2aa; font-weight:700; text-transform:uppercase; letter-spacing:.8px; }
        .vstep-title { font-size:21px; font-weight:800; color:#1a1a2e; margin-top:4px; }
        .vstep-desc { font-size:17px; color:#333; line-height:1.85; }

        /* bullets */
        .vstep-bullets { display:flex; flex-direction:column; gap:12px; }
        .vstep-bullet { display:flex; align-items:flex-start; gap:12px; font-size:16px; color:#333; line-height:1.75; }
        .vb-icon { width:32px; height:32px; border-radius:8px; background:#e0f7f7; color:#20b2aa; display:flex; align-items:center; justify-content:center; font-size:15px; flex-shrink:0; }

        /* callouts */
        .vstep-callout { background:#e8f8f7; border:1.5px solid #a0ddd9; border-radius:10px; padding:14px 18px; font-size:16px; color:#0e6e6b; display:flex; align-items:flex-start; gap:12px; line-height:1.75; }
        .vstep-callout i { font-size:20px; flex-shrink:0; margin-top:1px; }
        .vstep-callout.warn { background:#fff8e6; border-color:#ffc947; color:#7a5000; }
        .vstep-callout.warn i { color:#f5a623; }
        .vstep-callout.success { background:#e6f9ed; border-color:#6fcf97; color:#1a5c34; }
        .vstep-callout.success i { color:#28a745; }

        /* SUCCESS BANNER */
        .success-banner { background:linear-gradient(135deg,#20b2aa,#17a2b8); border-radius:18px; padding:32px 34px; color:white; text-align:center; margin-top:30px; }
        .success-banner .emoji { font-size:44px; margin-bottom:12px; }
        .success-banner h3 { font-size:24px; font-weight:800; margin-bottom:10px; }
        .success-banner p  { font-size:17px; opacity:.9; line-height:1.75; }

        /* ── POPUP PREVIEW MOCK ── */
        .popup-preview {
            background: linear-gradient(160deg, #3a0000 0%, #1a0000 100%);
            border-radius: 14px;
            padding: 22px 28px;
            margin: 16px 0 0;
            border: 1px solid rgba(255,100,100,0.2);
            box-shadow: 0 8px 28px rgba(0,0,0,0.35);
        }
        .popup-title {
            font-size: 15px;
            font-weight: 800;
            color: #f8f8f8;
            letter-spacing: 0.5px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
            margin-bottom: 16px;
        }
        .popup-success-line {
            color: #4ade80;
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .popup-body {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            line-height: 1.9;
        }
        .popup-body ul { list-style: none; margin-left: 4px; }
        .popup-ok-row {
            display: flex;
            justify-content: flex-end;
            margin-top: 18px;
        }
        .popup-ok-btn {
            background: #dc2626;
            color: white;
            font-weight: 800;
            font-size: 16px;
            padding: 10px 32px;
            border-radius: 8px;
            cursor: pointer;
            box-shadow: 0 3px 10px rgba(220,38,38,0.5);
        }
        .next-btn { display:inline-block; margin-top:18px; background:white; color:#20b2aa; text-decoration:none; font-weight:800; font-size:18px; padding:14px 34px; border-radius:12px; border:none; cursor:pointer; transition:transform .2s; }
        .next-btn:hover { transform:scale(1.04); }

        /* REGISTER FIELDS */
        .fields-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:12px; margin:16px 0; }
        .field-card { background:#f8fdfd; border:1.5px solid #c8e9e8; border-radius:12px; padding:14px 16px; display:flex; align-items:center; gap:12px; }
        .field-icon { width:38px; height:38px; border-radius:10px; background:#e0f7f7; color:#20b2aa; display:flex; align-items:center; justify-content:center; font-size:18px; flex-shrink:0; }
        .field-label { font-size:15px; font-weight:700; color:#333; }
        .field-note  { font-size:13px; color:#666; margin-top:3px; }
        .required-dot { display:inline-block; width:7px; height:7px; background:#ef4444; border-radius:50%; margin-left:3px; vertical-align:middle; }

        /* WARN BOX */
        .warn-box { background:#fff8e6; border:1.5px solid #ffc947; border-radius:12px; padding:16px 20px; font-size:16px; color:#7a5000; display:flex; align-items:flex-start; gap:12px; line-height:1.75; }
        .warn-box i { font-size:20px; flex-shrink:0; margin-top:2px; color:#f5a623; }

        /* LIGHTBOX */
        .lightbox { display:none; position:fixed; inset:0; background:rgba(0,0,0,.88); z-index:9999; align-items:center; justify-content:center; padding:20px; }
        .lightbox.open { display:flex; }
        .lightbox img { max-width:90vw; max-height:88vh; border-radius:14px; box-shadow:0 10px 50px rgba(0,0,0,.5); }
        .lightbox-close { position:fixed; top:18px; right:22px; color:white; font-size:32px; cursor:pointer; background:rgba(255,255,255,.15); border:none; width:50px; height:50px; border-radius:50%; display:flex; align-items:center; justify-content:center; transition:background .2s; }
        .lightbox-close:hover { background:rgba(255,255,255,.3); }

        /* RESPONSIVE */
        @media(max-width:760px){
            .vstep-inner { flex-direction:column; }
            .vstep-img-wrap { flex:none; border-right:none; border-bottom:2px solid #d0eeec; padding:14px; }
            .vstep-img-wrap img { max-width:100%; }
            .vstep-text { padding:22px 18px; }
            .vstep-desc { font-size:16px; }
            .vstep-bullet { font-size:15px; }
        }
        @media(max-width:640px){
            .page-header{padding:16px 18px;} .header-brand h1{font-size:20px;} .hero h2{font-size:26px;}
            .tab-btn{font-size:13px;padding:12px 8px;gap:5px;} .tab-btn .tab-text{display:none;}
        }