@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/6fe53d21e6e7ebd8-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/8ebc6e9dde468c4a-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:200 800;font-display:swap;src:url(/_next/static/media/9e7b0a821b9dfcb4-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Plus Jakarta 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900;font-display:swap;src:url(/_next/static/media/21350d82a1f187e9-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/c5fe6dc8356a8c31-s.woff2) format("woff2");unicode-range:u+1f??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/19cfc7226ec3afaa-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/df0a9ae256c0569c-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/8e9860b6e62d6359-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/e4af272ccee01ff0-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Inter Fallback;src:local("Arial");ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.00%;size-adjust:107.12%}.__className_f367f3{font-family:Inter,Inter Fallback;font-style:normal}.__variable_f367f3{--font-exercise-content-family:"Inter","Inter Fallback"}:root{--color-primary:#6366f1;--color-primary-hover:#4f46e5;--color-primary-soft:#8b5cf6;--color-primary-surface:#eef2ff;--color-primary-surface-alt:#f5f3ff;--color-primary-border:#c7d2fe;--color-primary-ring:rgba(99,102,241,0.22);--color-primary-ring-hover:rgba(99,102,241,0.28);--color-success:#10b981;--color-success-dark:#059669;--color-success-text:#047857;--color-success-surface:#ecfdf5;--color-success-surface-alt:#dcfce7;--color-success-border:#bbf7d0;--color-good:#84cc16;--color-good-dark:#4d7c0f;--color-good-text:#3f6212;--color-good-surface:#f7fee7;--color-good-surface-alt:#ecfccb;--color-good-border:#bef264;--color-warning:#f59e0b;--color-warning-dark:#d97706;--color-warning-text:#b45309;--color-warning-surface:#fffbeb;--color-warning-surface-alt:#fef3c7;--color-warning-border:#fde68a;--color-danger:#ef4444;--color-danger-dark:#dc2626;--color-danger-text:#b91c1c;--color-danger-surface:#fef2f2;--color-danger-surface-alt:#fee2e2;--color-danger-border:#fecaca;--color-text:#172033;--color-text-strong:#0f172a;--color-text-secondary:#475569;--color-text-muted:#94a3b8;--color-text-faint:#64748b;--color-bg:#f8fafc;--color-surface:rgba(255,255,255,0.92);--color-surface-solid:#ffffff;--color-surface-raised:#f1f5f9;--color-border:rgba(15,23,42,0.06);--color-border-separator:#e5e7eb;--color-border-input:#e2e8f0;--color-accent:#ea580c;--color-accent-surface:#fff8f3;--color-accent-border:#fed7aa;--color-skill-speaking:#8b5cf6;--color-skill-speaking-dark:#7c3aed;--color-skill-speaking-text:#6d28d9;--color-skill-speaking-surface:#f5f3ff;--color-skill-speaking-border:#ddd6fe;--color-skill-writing:#3b82f6;--color-skill-writing-dark:#2563eb;--color-skill-writing-text:#1d4ed8;--color-skill-writing-surface:#eff6ff;--color-skill-writing-border:#bfdbfe;--color-skill-reading:#10b981;--color-skill-reading-dark:#059669;--color-skill-reading-text:#047857;--color-skill-reading-surface:#ecfdf5;--color-skill-reading-border:#bbf7d0;--color-skill-listening:#f59e0b;--color-skill-listening-dark:#d97706;--color-skill-listening-text:#b45309;--color-skill-listening-surface:#fffbeb;--color-skill-listening-border:#fde68a;--color-achievement-common:#94a3b8;--color-achievement-common-text:#475569;--color-achievement-common-surface:#f8fafc;--color-achievement-common-border:#cbd5e1;--color-achievement-uncommon:#22c55e;--color-achievement-uncommon-text:#047857;--color-achievement-uncommon-surface:#ecfdf5;--color-achievement-uncommon-border:#d1fae5;--color-achievement-rare:#3b82f6;--color-achievement-rare-text:#2563eb;--color-achievement-rare-surface:#eff6ff;--color-achievement-rare-border:#dbeafe;--color-achievement-epic:#a855f7;--color-achievement-epic-text:#7c3aed;--color-achievement-epic-surface:#faf5ff;--color-achievement-epic-border:#ede9fe;--color-achievement-legendary:#f59e0b;--color-achievement-legendary-text:#d97706;--color-achievement-legendary-surface:#fffbeb;--color-achievement-legendary-border:#fef3c7;--color-backdrop:rgba(15,23,42,0.42);--nav-item-color:var(--color-text-faint);--nav-item-color-hover:var(--color-text-strong);--nav-item-bg-hover:var(--color-surface-raised);--nav-item-color-active:var(--color-primary-hover);--nav-item-bg-active:var(--color-primary-surface);--text-2xs:0.6875rem;--text-xs:0.75rem;--text-sm:0.8125rem;--text-base:0.9375rem;--text-md:1.0625rem;--text-lg:1.25rem;--text-xl:1.55rem;--text-2xl:2rem;--font-exercise-content:var(--font-exercise-content-family),var(--font-sans),system-ui,-apple-system,sans-serif;--radius-xs:6px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:18px;--radius-full:999px;--shadow-card:0 18px 46px rgba(15,23,42,0.045);--shadow-card-hover:0 8px 24px rgba(0,0,0,0.06);--shadow-button-primary:0 14px 28px rgba(99,102,241,0.22);--shadow-button-primary-hover:0 18px 34px rgba(99,102,241,0.28);--shadow-button-danger:0 14px 34px rgba(239,68,68,0.24);--shadow-button-danger-hover:0 18px 38px rgba(239,68,68,0.3);--shadow-dropdown:0 18px 48px rgba(15,23,42,0.16);--shadow-modal:0 24px 72px rgba(15,23,42,0.24);--shadow-focus-ring:0 0 0 4px rgba(99,102,241,0.1);--shadow-achievement-toast:0 18px 48px rgba(15,23,42,0.16);--btn-height:2.75rem;--btn-height-sm:2.35rem;--btn-padding-x:1.15rem;--nav-card-height:4.5rem;--mcq-option-height:3.5rem;--card-padding:1.5rem;--section-gap:1.35rem;--transition-fast:0.15s ease;--transition-normal:0.2s ease}@media (max-width:620px){:root{--text-md:1rem;--text-lg:1.125rem;--text-xl:1.35rem;--text-2xl:1.65rem}}