:root{
  --bg:#0b0c10; /* near-black */
  --card:#111318;
  --text:#e8e9ec;
  --muted:#a7aab3;
  --accent:#4fc3f7; /* clean cyan */
  --good:#66bb6a;
  --bad:#ef5350;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Noto Sans",sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
#app{max-width:680px;margin:0 auto;padding:16px 16px 48px}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{font-weight:600;letter-spacing:.2px}
.progress{color:var(--muted);font-size:14px}

.mode-selection{margin-top:60px;text-align:center}
.mode-title{font-size:28px;font-weight:600;margin-bottom:40px;color:var(--text)}
.mode-options{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.mode-btn{background:linear-gradient(180deg,rgba(255,255,255,0.04),rgba(255,255,255,0.02));border:1px solid rgba(255,255,255,0.12);border-radius:16px;padding:32px 40px;cursor:pointer;transition:all .3s ease;min-width:200px}
.mode-btn:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 8px 24px rgba(79,195,247,0.15)}
.mode-label{font-size:22px;font-weight:600;margin-bottom:8px;color:var(--text)}
.mode-desc{font-size:14px;color:var(--muted)}

.card{
  background:linear-gradient(180deg,rgba(255,255,255,0.02),rgba(255,255,255,0.01));
  border:1px solid rgba(255,255,255,0.06);
  border-radius:20px;
  padding:28px 20px;
  box-shadow:0 10px 30px rgba(0,0,0,0.35);
  min-height:320px;
  display:flex;flex-direction:column;gap:24px;justify-content:space-between
}
.qnum{color:var(--muted);font-size:14px}
.qtext{font-size:22px;line-height:1.55}
.hint{color:var(--muted);font-size:12px;text-align:center}

.actions{display:flex;gap:12px}
.btn{flex:1;padding:14px 12px;border-radius:12px;border:1px solid rgba(255,255,255,0.08);background:#151821;color:var(--text);cursor:pointer;transition:all .2s ease}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,0.14)}
.btn.left{border-color:rgba(239,83,80,0.25)}
.btn.right{border-color:rgba(102,187,106,0.25)}
.btn.primary{background:var(--accent);border:none;color:#071218;font-weight:600}
.btn.secondary{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.12);color:var(--text);font-weight:500}

.ending{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.hidden{display:none}
.result-title{font-size:24px;margin-bottom:16px;text-align:center}
#resultSummary{color:var(--accent);font-weight:600}
.scores{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:20px}
.scores .item{background:#12151d;border:1px solid rgba(255,255,255,0.06);border-radius:12px;padding:12px}
.scores .item .k{color:var(--muted);font-size:12px}
.scores .item .v{font-size:18px;margin-top:6px}
.ai{margin-top:8px;padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,0.08);background:#11151c}
.ai-title{color:var(--muted);font-size:12px;margin-bottom:6px}
.ai-text{font-size:16px;line-height:1.7}
.comfort-box{background:linear-gradient(135deg,rgba(255,182,193,0.12),rgba(255,192,203,0.08))!important;border:1px solid rgba(255,182,193,0.25)!important}
.comfort-title{font-size:20px!important;text-align:center;color:#ffb6c1!important;margin-bottom:10px!important}

.reference{max-width:680px;margin:40px auto 0;padding:24px 16px 32px;border-top:1px solid rgba(255,255,255,0.06);text-align:center}
.reference p{color:rgba(167,170,179,0.7);font-size:11px;line-height:1.8;margin:0;letter-spacing:0.3px}

@media (max-width:420px){
  .qtext{font-size:20px}
  .mode-title{font-size:22px;margin-bottom:30px}
  .mode-options{flex-direction:column;align-items:center}
  .mode-btn{min-width:280px}
  #radarChart{width:100%!important;height:auto!important}
  .reference{margin-top:30px;padding:20px 16px 28px}
  .reference p{font-size:10px;line-height:1.7;letter-spacing:0.2px}
}