:root{
  --bg:#faf8f4;--bg2:#f2efe8;--bg3:#ebe7dc;
  --card:#ffffff;--border:#e8e4da;--border2:#d4cfc2;
  --text:#1a1814;--text2:#6b6456;--text3:#a89e90;
  --amber:#b8832a;--amber2:#d4a050;--amber3:#f0c070;
  --r:14px;--r2:10px;--r3:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.app{max-width:520px;margin:0 auto;padding:1.5rem 1.25rem 4rem}
.sc{display:none}.sc.on{display:block}

/* INTRO */
.logo{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:1.5px;color:var(--text3);margin-bottom:1.5rem}
.logo-dot{width:6px;height:6px;border-radius:50%;background:var(--amber2)}
.ititle{font-size:28px;font-weight:700;line-height:1.3;color:var(--text);margin-bottom:.5rem}
.isub{font-size:14px;color:var(--text2);line-height:1.7;margin-bottom:1.5rem}
.axis-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:1.25rem}
.axis-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:12px 14px}
.axis-pair{font-size:13px;font-weight:700;color:var(--text);margin-bottom:3px;letter-spacing:.5px}
.axis-pair .vs{color:var(--text3);font-weight:400;font-size:11px;margin:0 4px}
.axis-label{font-size:11px;color:var(--text2);line-height:1.5}
.sci-note{background:var(--bg2);border-radius:var(--r2);padding:12px 16px;margin-bottom:1.25rem;border:1px solid var(--border)}
.sci-note p{font-size:12px;color:var(--text2);line-height:1.75}
.sci-note strong{color:var(--text);font-weight:600}
.compare-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border)}
.compare-row:last-child{border-bottom:none}
.compare-label{flex:1;font-size:13px;color:var(--text2)}
.badge-free{font-size:11px;padding:3px 9px;border-radius:6px;background:var(--bg3);color:var(--text3);font-weight:500}
.badge-pro{font-size:11px;padding:3px 9px;border-radius:6px;background:#1a1814;color:var(--amber3);font-weight:600}
.compare-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:1rem 1.25rem;margin-bottom:1.25rem}
.compare-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.compare-head span{font-size:11px;font-weight:600;color:var(--text3);letter-spacing:.5px}
.btn-start{width:100%;padding:15px;background:var(--text);color:var(--bg);border:none;border-radius:var(--r);font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s;letter-spacing:.2px}
.btn-start:hover{opacity:.85}

/* QUIZ */
.qwrap{padding-top:.25rem}
.dim-strip{display:flex;gap:5px;margin-bottom:12px}
.dstrip{flex:1;height:3px;border-radius:2px;background:var(--border);transition:background .3s}
.dstrip.done{background:var(--text)}
.dstrip.act{background:var(--amber2)}
.prog-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.prog-label{font-size:11px;color:var(--text3)}
.dim-label{font-size:11px;font-weight:600;color:var(--amber);letter-spacing:.5px}
.qhint{font-size:11px;color:var(--text3);background:var(--bg2);border-radius:6px;padding:5px 10px;display:inline-block;margin-bottom:10px;border:1px solid var(--border)}
.qtext{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:1.25rem}
.opts{display:flex;flex-direction:column;gap:8px}
.ob{display:flex;align-items:flex-start;gap:11px;padding:13px 15px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--r2);cursor:pointer;text-align:left;font-size:13.5px;color:var(--text2);line-height:1.55;transition:all .15s;font-family:inherit}
.ob:hover{border-color:var(--border2);color:var(--text);background:var(--bg2)}
.ob.sel{border-color:var(--text);background:var(--bg2);color:var(--text)}
.ob-i{font-size:16px;min-width:22px;text-align:center;flex-shrink:0;padding-top:1px}
.qnav{display:flex;gap:8px;margin-top:1.25rem}
.btn-bk{flex:0 0 auto;padding:11px 15px;background:transparent;border:1.5px solid var(--border);border-radius:var(--r2);cursor:pointer;font-size:13px;color:var(--text3);font-family:inherit;transition:all .15s}
.btn-bk:hover{border-color:var(--border2);color:var(--text2)}
.btn-nx{flex:1;padding:12px;background:var(--text);color:var(--bg);border:none;border-radius:var(--r2);font-size:14px;font-weight:600;cursor:pointer;opacity:.3;transition:opacity .2s;font-family:inherit}
.btn-nx.on{opacity:1}

/* RESULT */
.r-header{border-radius:var(--r);padding:1.75rem 1.5rem 1.5rem;margin-bottom:1rem;position:relative;overflow:hidden}
.r-eyebrow{font-size:10px;font-weight:600;letter-spacing:1.5px;color:rgba(255,255,255,.55);margin-bottom:10px;display:block}
.r-code-wrap{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.r-code{font-size:42px;font-weight:800;letter-spacing:5px;line-height:1}
.r-code-pro{font-size:18px;font-weight:500;letter-spacing:4px;opacity:.3;border:1px dashed currentColor;border-radius:6px;padding:2px 8px;line-height:1}
.r-name{font-size:20px;font-weight:700;margin-bottom:4px}
.r-tagline{font-size:13px;line-height:1.55;opacity:.72}
.r-rarity{position:absolute;top:14px;right:14px;font-size:10px;opacity:.5;font-weight:500}

.rblock{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:1.25rem 1.5rem;margin-bottom:.875rem}
.rblock-title{font-size:10px;font-weight:600;color:var(--text3);letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.rblock p{font-size:14px;color:var(--text2);line-height:1.85}

.bar4{display:flex;flex-direction:column;gap:10px}
.b4row{display:grid;grid-template-columns:20px 1fr 20px 38px;gap:8px;align-items:center}
.b4l{font-size:12px;font-weight:700;color:var(--text);text-align:right}
.b4r{font-size:12px;color:var(--text3)}
.b4track{height:6px;background:var(--bg3);border-radius:3px;overflow:hidden}
.b4fill{height:100%;border-radius:3px;transition:width .9s cubic-bezier(.4,0,.2,1)}
.b4pct{font-size:11px;color:var(--text3);text-align:right}

/* PRO CTA */
.pro-cta{background:var(--text);color:var(--bg);border-radius:var(--r);padding:1.25rem 1.5rem;margin-bottom:.875rem;display:flex;flex-direction:column;gap:14px}
.pro-cta-title{font-size:16px;font-weight:700;line-height:1.4}
.pro-cta-sub{font-size:13px;color:rgba(250,248,244,.72);line-height:1.65;margin-top:4px}
.btn-pro-link{width:100%;padding:14px;background:var(--bg);color:var(--text);border:none;border-radius:var(--r2);font-size:14px;font-weight:800;cursor:pointer;font-family:inherit;transition:opacity .15s}
.btn-pro-link:hover{opacity:.88}

.share-note{text-align:center;font-size:12px;color:var(--text3);padding:.75rem 0}
.btn-again{width:100%;padding:12px;background:transparent;border:1.5px solid var(--border);border-radius:var(--r);font-size:13px;color:var(--text3);cursor:pointer;font-family:inherit;transition:all .15s;margin-top:.25rem}
.btn-again:hover{border-color:var(--border2);color:var(--text2)}

.intro-top{padding-top:1.5rem}
.compare-badges{display:flex;gap:8px}
.access-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:1rem;margin-bottom:1rem}
.access-label{display:block;font-size:11px;font-weight:600;color:var(--text3);letter-spacing:.8px;margin-bottom:8px}
.access-row{display:flex;gap:8px}
.access-input{flex:1;min-width:0;border:1.5px solid var(--border);border-radius:var(--r2);padding:12px 13px;font-size:14px;font-family:inherit;background:var(--bg);color:var(--text)}
.access-input:focus{outline:none;border-color:var(--amber2)}
.access-btn{flex:0 0 auto;border:none;border-radius:var(--r2);padding:0 15px;background:var(--text);color:var(--bg);font-size:13px;font-weight:700;font-family:inherit;cursor:pointer}
.access-msg{min-height:18px;margin-top:8px;font-size:12px;color:var(--text2);line-height:1.5}
.access-msg.err{color:#a04432}
.btn-start:disabled{opacity:.35;cursor:not-allowed}