._shell_1f5yp_1{min-height:100vh;background:var(--background);color:var(--foreground);padding-bottom:calc(6rem + env(safe-area-inset-bottom))}._header_1f5yp_1{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 1.1rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:color-mix(in srgb,var(--background) 94%,transparent);backdrop-filter:blur(12px);z-index:8}._brand_1f5yp_1{display:flex;align-items:center;gap:.7rem}._brand_1f5yp_1>svg,._header_1f5yp_1>span{color:var(--primary)}._brand_1f5yp_1 div{display:flex;flex-direction:column}._brand_1f5yp_1 strong{font-family:var(--font-family-heading);font-size:1.15rem}._brand_1f5yp_1 small{font-size:.65rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-foreground)}._header_1f5yp_1>span{font-family:var(--font-family-heading);font-size:1rem}._landing_1f5yp_1,._quiz_1f5yp_1,._results_1f5yp_1{max-width:720px;margin:auto;padding:2.6rem 1.2rem}._landing_1f5yp_1>span,._category_1f5yp_1,._results_1f5yp_1>span{font-size:.67rem;letter-spacing:.16em;color:var(--primary);font-weight:700}._landing_1f5yp_1>h1,._quiz_1f5yp_1>h1,._results_1f5yp_1>h1{font-family:var(--font-family-heading);font-size:clamp(2rem,7vw,3.6rem);line-height:1.05;margin:.55rem 0 .8rem}._landing_1f5yp_1>p,._results_1f5yp_1>p{color:var(--muted-foreground);line-height:1.65}._modes_1f5yp_1{display:grid;gap:.7rem;margin-top:1.6rem}._modes_1f5yp_1>button{display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:.8rem;width:100%;padding:1rem;text-align:left;border:1px solid var(--border);background:var(--card);color:var(--card-foreground);border-radius:var(--radius);cursor:pointer}._modes_1f5yp_1>button:hover{border-color:color-mix(in srgb,var(--primary) 55%,var(--border))}._modes_1f5yp_1 svg{color:var(--primary)}._modes_1f5yp_1 small{font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;color:var(--primary)}._modes_1f5yp_1 h2{font-family:var(--font-family-heading);font-size:1.25rem;margin:.08rem 0}._modes_1f5yp_1 span{font-size:.75rem;color:var(--muted-foreground)}._progress_1f5yp_1{height:3px;background:var(--border);margin-bottom:2rem;border-radius:3px;overflow:hidden}._progress_1f5yp_1 i{display:block;height:100%;background:var(--primary);transition:width .25s}._quiz_1f5yp_1>h1{font-size:clamp(1.8rem,6vw,2.8rem);margin-bottom:1.4rem}._options_1f5yp_1{display:grid;gap:.65rem}._options_1f5yp_1 button{min-height:58px;width:100%;display:grid;grid-template-columns:38px 1fr;align-items:center;gap:.8rem;text-align:left;padding:.7rem .9rem;border:1px solid var(--border);background:var(--card);color:var(--foreground);border-radius:var(--radius);cursor:pointer}._options_1f5yp_1 button:disabled{cursor:default}._options_1f5yp_1 b{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--border);border-radius:50%;font-family:var(--font-family-heading);color:var(--primary)}._options_1f5yp_1 ._correct_1f5yp_1{border-color:color-mix(in srgb,#5f9366 65%,var(--border));background:color-mix(in srgb,#5f9366 12%,var(--card))}._options_1f5yp_1 ._wrong_1f5yp_1{border-color:color-mix(in srgb,#a65d55 65%,var(--border));background:color-mix(in srgb,#a65d55 10%,var(--card))}._options_1f5yp_1 ._dim_1f5yp_1{opacity:.55}._feedback_1f5yp_1{margin-top:1.2rem;padding:1rem;border-left:3px solid var(--primary);background:color-mix(in srgb,var(--primary) 7%,var(--card));border-radius:0 var(--radius) var(--radius) 0}._feedback_1f5yp_1 strong{font-family:var(--font-family-heading);font-size:1.08rem}._feedback_1f5yp_1 p{color:var(--muted-foreground);line-height:1.55;font-size:.88rem}._feedback_1f5yp_1 button{margin-top:.25rem}._results_1f5yp_1{text-align:center;padding-top:4rem}._score_1f5yp_1{font-family:var(--font-family-heading);font-size:6rem;line-height:1;color:var(--primary);margin:1.3rem 0}._score_1f5yp_1 small{font-size:1.5rem;color:var(--muted-foreground)}._results_1f5yp_1>h1{font-size:2rem}._results_1f5yp_1>div:last-child{display:flex;justify-content:center;gap:.6rem;flex-wrap:wrap;margin-top:1.5rem}._nav_1f5yp_1{position:fixed;bottom:0;left:0;right:0;height:calc(70px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:color-mix(in srgb,var(--background) 96%,transparent);backdrop-filter:blur(14px);border-top:1px solid var(--border);z-index:10}._nav_1f5yp_1 button{border:0;background:transparent;color:var(--muted-foreground);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;font-size:.65rem;cursor:pointer}._nav_1f5yp_1 button._active_1f5yp_1{color:var(--primary)}@media(max-width:600px){._landing_1f5yp_1,._quiz_1f5yp_1,._results_1f5yp_1{padding:2rem .9rem}._score_1f5yp_1{font-size:5rem}}