@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Nunito+Sans:wght@400;600&display=swap');

*{box-sizing:border-box;margin:0;padding:0}
:root{
  --green:#16a34a;--green-light:#dcfce7;--green-mid:#86efac;
  --amber:#d97706;--amber-light:#fef3c7;
  --red:#dc2626;--red-light:#fee2e2;
  --blue:#2563eb;--blue-light:#dbeafe;
  --purple:#7c3aed;--purple-light:#ede9fe;
  --bg:#0f172a;--surface:#1e293b;--surface2:#334155;
  --text:#f1f5f9;--muted:#94a3b8;--border:#334155;
  --radius:14px;--font:'Nunito',sans-serif;
}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;padding:0}
.app{max-width:520px;margin:0 auto;padding:1.25rem 1rem 3rem}

/* NAV */
.nav{display:flex;gap:6px;margin-bottom:1.5rem;background:var(--surface);border-radius:var(--radius);padding:5px}
.nav-btn{flex:1;padding:8px 6px;border:none;border-radius:10px;font-family:var(--font);font-size:12px;font-weight:700;cursor:pointer;background:transparent;color:var(--muted);transition:all .2s}
.nav-btn.active{background:var(--surface2);color:var(--text)}

/* CARDS */
.card{background:var(--surface);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}
.card-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}

/* HERO */
.hero{background:linear-gradient(135deg,#1e3a5f,#1e293b);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-40px;right:-40px;width:160px;height:160px;border-radius:50%;background:rgba(37,99,235,0.12)}
.hero-name{font-size:22px;font-weight:900;margin-bottom:4px}
.hero-sub{font-size:13px;color:var(--muted)}
.hero-stats{display:flex;gap:1rem;margin-top:1rem}
.stat{display:flex;flex-direction:column}
.stat-val{font-size:22px;font-weight:800;line-height:1}
.stat-label{font-size:11px;color:var(--muted);margin-top:2px}

/* XP BAR */
.xp-bar-bg{background:var(--surface2);border-radius:99px;height:8px;margin:10px 0 4px;overflow:hidden}
.xp-bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--green),#22c55e);transition:width .6s ease}
.xp-label{font-size:11px;color:var(--muted);display:flex;justify-content:space-between}

/* PATHWAY */
.pathway-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.pathway-item:last-child{border-bottom:none}
.p-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.p-icon.locked{background:var(--surface2);color:var(--muted)}
.p-icon.current{background:var(--blue);color:#fff}
.p-icon.done{background:var(--green);color:#fff}
.p-info{flex:1}
.p-name{font-size:14px;font-weight:700}
.p-sub{font-size:12px;color:var(--muted)}
.p-badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:99px}
.p-badge.done{background:var(--green-light);color:#15803d}
.p-badge.current{background:var(--blue-light);color:#1d4ed8}
.p-badge.locked{background:var(--surface2);color:var(--muted)}

/* QUESTION */
.q-section-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 12px;border-radius:99px;margin-bottom:12px}
.q-text{font-size:16px;font-weight:700;line-height:1.55;margin-bottom:16px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{border:2px solid var(--border);border-radius:10px;padding:11px 14px;font-family:var(--font);font-size:14px;font-weight:600;color:var(--text);background:var(--surface);cursor:pointer;text-align:left;transition:all .15s}
.opt:hover:not(:disabled){border-color:#64748b;background:var(--surface2)}
.opt.selected{border-color:var(--blue);background:rgba(37,99,235,.12);color:#93c5fd}
.opt.correct{border-color:var(--green);background:rgba(22,163,74,.15);color:#86efac}
.opt.wrong{border-color:var(--red);background:rgba(220,38,38,.12);color:#fca5a5}
.opt:disabled{cursor:default}
.feedback-box{border-radius:10px;padding:10px 14px;font-size:13px;font-weight:600;margin-top:10px;line-height:1.5}
.feedback-box.correct{background:rgba(22,163,74,.15);color:#86efac;border:1px solid rgba(22,163,74,.3)}
.feedback-box.wrong{background:rgba(220,38,38,.1);color:#fca5a5;border:1px solid rgba(220,38,38,.25)}
.progress-row{display:flex;align-items:center;gap:10px;margin-bottom:1rem}
.q-counter{font-size:12px;color:var(--muted);font-weight:600}
.mini-bar-bg{flex:1;background:var(--surface2);border-radius:99px;height:5px;overflow:hidden}
.mini-bar-fill{height:100%;border-radius:99px;background:var(--blue);transition:width .4s}

/* BUTTONS */
.btn{font-family:var(--font);font-weight:700;font-size:14px;border:none;border-radius:10px;padding:11px 22px;cursor:pointer;transition:all .15s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:disabled{background:var(--surface2);color:var(--muted);cursor:default}
.btn-ghost{background:var(--surface2);color:var(--muted)}
.btn-blue{background:var(--blue);color:#fff}
.btn-row{display:flex;gap:8px;margin-top:14px}
.btn-full{width:100%}

/* RESULT */
.result-hero{text-align:center;padding:1.5rem}
.result-emoji{font-size:56px;line-height:1;margin-bottom:10px}
.result-score{font-size:42px;font-weight:900;margin-bottom:4px}
.result-label{font-size:14px;color:var(--muted)}
.badge-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.badge{font-size:12px;font-weight:700;padding:5px 12px;border-radius:99px}
.badge.pass{background:var(--green-light);color:#15803d}
.badge.fail{background:var(--red-light);color:#991b1b}
.badge.money{background:var(--amber-light);color:#92400e}
.strand-result{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}
.strand-result:last-child{border-bottom:none}
.sr-name{font-size:13px;font-weight:700;flex:1}
.sr-bar-bg{flex:2;background:var(--surface2);border-radius:99px;height:6px;overflow:hidden}
.sr-bar-fill{height:100%;border-radius:99px;transition:width .8s}
.sr-pct{font-size:12px;font-weight:700;min-width:32px;text-align:right}

/* PARENT */
.week-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}
.week-row:last-child{border-bottom:none}
.week-num{font-size:13px;font-weight:700;min-width:60px}
.week-score{font-size:13px;color:var(--muted);flex:1}
.week-badge{font-size:11px;font-weight:700;padding:3px 9px;border-radius:99px}
.week-badge.paid{background:var(--green-light);color:#15803d}
.week-badge.nopay{background:var(--red-light);color:#991b1b}
.week-badge.pending{background:var(--amber-light);color:#92400e}
.empty-state{text-align:center;padding:2rem;color:var(--muted);font-size:14px}

/* DIAGNOSTIC */
.diag-intro{text-align:center;padding:1rem}
.diag-intro h2{font-size:22px;font-weight:900;margin-bottom:8px}
.diag-intro p{font-size:14px;color:var(--muted);line-height:1.6}
.level-pill{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:99px;margin-bottom:8px}

/* ANIM */
@keyframes pop{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.05)}100%{transform:scale(1);opacity:1}}
.pop{animation:pop .3s ease forwards}
@keyframes fade-up{from{transform:translateY(12px);opacity:0}to{transform:translateY(0);opacity:1}}
.fade-up{animation:fade-up .4s ease forwards}