.kpq-tool{--p:#2563eb;--pd:#1d4ed8;--ink:#1e3153;position:relative;overflow:hidden;padding:clamp(1rem,3vw,2rem);border:1px solid #dbeafe;border-radius:24px;background:linear-gradient(145deg,#f8fbff,#eff6ff 58%,#fff7ed);color:var(--ink);box-shadow:0 18px 50px #1e40af16}.kpq-hero{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin-bottom:1rem}.kpq-brand{display:flex;align-items:center;gap:1rem}.kpq-logo{width:64px;height:64px;display:grid;place-items:center;flex:none;border:4px solid #fff;border-radius:20px;background:linear-gradient(145deg,#60a5fa,var(--p));color:#fff;font-size:1.8rem;box-shadow:0 8px 20px #2563eb38}.kpq-kicker,.kpq-settings span{color:var(--p);font-size:.65rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.kpq-hero h2{margin:.15rem 0;font-size:clamp(1.5rem,3vw,2rem)}.kpq-hero p{margin:0;color:#64748b}.kpq-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem}.kpq-stats div{min-width:76px;padding:.65rem;border:1px solid #dbeafe;border-radius:13px;background:#fff;text-align:center}.kpq-stats strong{display:block;color:var(--p);font-size:1.15rem}.kpq-stats small{color:#64748b;font-size:.55rem;text-transform:uppercase}.kpq-settings{display:flex;align-items:end;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem;padding:.8rem;border:1px solid #dbeafe;border-radius:15px;background:#ffffffd9}.kpq-settings>div{flex:1}.kpq-pills{display:flex;gap:.3rem;margin-top:.3rem;padding:.25rem;border-radius:10px;background:#eff6ff}.kpq-pills button{flex:1;min-height:36px;border:0;border-radius:8px;background:transparent;font-weight:800;cursor:pointer}.kpq-pills button.is-active{background:#fff;color:var(--p);box-shadow:0 3px 9px #1e40af1f}.kpq-settings label{display:flex;flex-direction:column;gap:.25rem}.kpq-settings select,.kpq-sound{min-height:38px;padding:.4rem .65rem;border:1px solid #bfdbfe;border-radius:9px;background:#fff;font-weight:800}.kpq-sound{cursor:pointer}.kpq-sound.is-on{background:#eff6ff;color:var(--pd)}.kpq-quiz{padding:1.2rem;border:1px solid #dbeafe;border-radius:20px;background:#fffffff2}.kpq-round{display:flex;justify-content:space-between;color:#64748b;font-size:.67rem;font-weight:900}.kpq-progress{height:8px;margin:.4rem 0 1rem;border-radius:99px;background:#e2e8f0;overflow:hidden}.kpq-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--p),#38bdf8)}.kpq-question-card{max-width:720px;margin:auto;padding:1.1rem;border:2px dashed #bfdbfe;border-radius:17px;background:#eff6ff;text-align:center}.kpq-question-card span{display:inline-block;padding:.25rem .5rem;border-radius:99px;background:#dbeafe;color:#1e40af;font-size:.6rem;font-weight:900;text-transform:uppercase}.kpq-question-card p{margin:.55rem 0 0;font-size:1.15rem;font-weight:900}.kpq-choices{display:grid;grid-template-columns:repeat(2,1fr);gap:.6rem;max-width:720px;margin:.8rem auto}.kpq-choice{position:relative;min-height:57px;padding:.65rem .7rem .65rem 2.5rem;border:2px solid #dbeafe;border-radius:12px;background:#fff;color:var(--ink);font-weight:800;text-align:left;cursor:pointer}.kpq-choice>span{position:absolute;left:.6rem;width:22px;height:22px;display:grid;place-items:center;border-radius:6px;background:#eff6ff;color:var(--p);font-size:.6rem}.kpq-choice:hover{border-color:#60a5fa}.kpq-choice.is-correct{border-color:#22c55e;background:#dcfce7;color:#14532d}.kpq-choice.is-wrong{border-color:#ef4444;background:#fee2e2;color:#7f1d1d}.kpq-choice:disabled:not(.is-correct):not(.is-wrong){opacity:.5}.kpq-feedback,.kpq-explanation{max-width:720px;margin:.6rem auto;padding:.6rem;border-radius:10px;font-size:.76rem;font-weight:800}.kpq-feedback.is-info{background:#eff6ff;color:#1e3a8a}.kpq-feedback.is-success{background:#dcfce7;color:#14532d}.kpq-feedback.is-error{background:#fee2e2;color:#7f1d1d}.kpq-explanation{background:#fffbeb;color:#713f12}.kpq-explanation p{margin:.2rem 0 0}.kpq-actions{display:flex;justify-content:center;gap:.55rem}.kpq-action{min-width:175px;min-height:42px;padding:.55rem .8rem;border:2px solid var(--p);border-radius:10px;font-weight:900;cursor:pointer}.kpq-primary{background:var(--p);color:#fff}.kpq-outline{background:#fff;color:var(--pd)}.kpq-action:disabled{opacity:.5}.kpq-summary{margin-top:1rem;padding:1.3rem;border:1px solid #fde68a;border-radius:18px;background:#fffbeb;text-align:center}.kpq-star{display:grid;place-items:center;width:48px;height:48px;margin:auto;border-radius:50%;background:#fef3c7;color:#d97706}.kpq-summary h3{margin:.4rem 0}.kpq-summary p{color:#64748b}.kpq-footer{display:flex;justify-content:space-between;padding:.7rem .2rem 0;color:#64748b;font-size:.67rem}.kpq-footer button{border:0;background:transparent;color:#64748b;text-decoration:underline;cursor:pointer}@media(max-width:850px){.kpq-hero{align-items:flex-start;flex-direction:column}.kpq-stats{width:100%}}@media(max-width:560px){.kpq-stats{grid-template-columns:repeat(2,1fr)}.kpq-choices{grid-template-columns:1fr}.kpq-actions{flex-direction:column-reverse}.kpq-action{width:100%}.kpq-settings{align-items:stretch;flex-direction:column}}

/* Balanced spacing rhythm */
.kpq-tool{display:flex;flex-direction:column;gap:clamp(14px,2vw,22px)}
.kpq-hero,.kpq-settings,.kpq-summary{margin:0}
.kpq-brand{min-width:0}
.kpq-brand>div:last-child{min-width:0}
.kpq-settings{padding:clamp(14px,2vw,20px);gap:14px}
.kpq-settings>div{min-width:260px}
.kpq-quiz{padding:clamp(16px,2.6vw,28px)}
.kpq-question-card{padding:clamp(18px,2.6vw,28px)}
.kpq-choices{gap:12px;margin:16px auto}
.kpq-feedback,.kpq-explanation{margin:12px auto;padding:12px 14px}
.kpq-actions{gap:12px;margin-top:16px}
.kpq-footer{padding:0 4px}
@media(max-width:560px){.kpq-tool{gap:14px}.kpq-brand{align-items:flex-start}.kpq-logo{width:54px;height:54px;border-radius:16px}.kpq-settings>div{min-width:0}.kpq-round,.kpq-footer{gap:8px;align-items:flex-start;flex-direction:column}.kpq-quiz{padding:14px}.kpq-question-card{padding:18px 14px}.kpq-actions{margin-top:14px}}