@font-face{font-family:Scheherazade New;src:url(/fonts/arabic/ScheherazadeNew-Regular.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Scheherazade New;src:url(/fonts/arabic/ScheherazadeNew-Bold.woff2) format("woff2");font-style:normal;font-weight:700;font-display:swap}@font-face{font-family:Amiri;src:url(/fonts/arabic/Amiri-Regular.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Amiri;src:url(/fonts/arabic/Amiri-Bold.woff2) format("woff2");font-style:normal;font-weight:700;font-display:swap}@font-face{font-family:Marhey;src:url(/fonts/brand/Marhey-Regular.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Marhey;src:url(/fonts/brand/Marhey-Bold.woff2) format("woff2");font-style:normal;font-weight:700;font-display:swap}:root{--color-primary: #686cdf;--color-primary-dark: #5a5fd6;--color-primary-light: #7985ff;--color-primary-lighter: #a5aef5;--color-primary-lightest: #e0e3ff;--color-secondary: #bc88e0;--color-secondary-dark: #a675d0;--color-secondary-light: #d4a5f0;--color-secondary-lighter: #e8c5f5;--color-secondary-lightest: #f5e5fa;--color-text: #3a3a48;--color-text-light: #686cdf;--color-text-muted: #6b7280;--color-text-disabled: #9ca3af;--color-text-inverse: #ffffff;--color-text-secondary: #6b7280;--color-text-meta: #9ca3af;--color-icon-rating: #fbbf24;--color-bg: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-muted: #f3f4f6;--color-bg-hover: #f0f0f0;--color-bg-active: #e5e7eb;--color-border: #e5e7eb;--color-border-light: #f3f4f6;--color-border-dark: #d1d5db;--color-success: #10b981;--color-success-light: #d1fae5;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-info: #3b82f6;--color-info-light: #dbeafe;--content-text-important-bg: #fffaf6;--content-text-important-border: #fcd9a8;--content-text-note-bg: #f3f8ff;--content-text-note-border: #c5defc;--content-text-context-bg: #f8f8ff;--content-text-context-border: #d8dcf5;--content-text-success-bg: #f2fcf7;--content-text-success-border: #bfead4;--content-text-warning-bg: #fff9f9;--content-text-warning-border: #ffd0d6;--content-text-neutral-bg: #f7f8fa;--content-text-neutral-border: #dde2ea;--content-text-body: var(--color-text);--font-arabic: "Scheherazade New", "Amiri", serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--line-height-loose: 2;--space-0: 0;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-xs: var(--space-1);--space-sm: var(--space-2);--space-md: var(--space-4);--space-lg: var(--space-6);--space-xl: var(--space-8);--border-width: 1px;--border-width-thick: 2px;--border-width-thin: .5px;--border-radius-none: 0;--border-radius-sm: .25rem;--border-radius: .375rem;--border-radius-md: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-2xl: 1.5rem;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .06);--shadow-none: none;--box-shadow: var(--shadow);--box-shadow-hover: var(--shadow-md);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--transition-all: all .3s ease;--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease-in: cubic-bezier(.4, 0, 1, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--z-index-dropdown: 1000;--z-index-sticky: 1020;--z-index-fixed: 1030;--z-index-modal-backdrop: 1040;--z-index-modal: 1050;--z-index-popover: 1060;--z-index-tooltip: 1070;--z-index-side-inspector: 1035;--ir-side-panel-width: clamp(420px, 30vw, 500px);--app-header-height: 3.5rem;--container-max-width: 1200px;--container-padding: var(--space-4);--ui-accent: var(--color-primary);--ui-accent-hover: var(--color-primary-dark);--ui-accent-muted: var(--color-primary-lightest);--ui-accent-soft: #f8f8ff;--ui-accent-border: #d8dcf5;--ui-text: var(--color-text);--ui-text-muted: var(--color-text-muted);--ui-text-disabled: var(--color-text-disabled);--ui-canvas: var(--color-bg);--ui-surface: var(--color-bg-secondary);--ui-surface-muted: var(--color-bg-muted);--ui-border: var(--color-border);--ui-border-subtle: var(--color-border-light);--ui-brand-lilac: var(--color-secondary);--ui-focus-ring: 0 0 0 3px rgba(104, 108, 223, .28);--ui-radius-control: 12px;--ui-radius-card: 16px;--ui-radius-panel: 24px;--ui-shadow-card: none;--ui-shadow-hover: 0 8px 24px rgba(58, 58, 72, .06);--ui-shadow-overlay: 0 16px 40px rgba(15, 23, 42, .12);--accent-primary: #6366F1;--accent-primary-dark: #4f46e5;--page-bg: #F5F6FA;--sheet-bg: #FFFFFF;--sheet-backdrop: rgba(0, 0, 0, .25);--grammar-card-bg: var(--ui-canvas, #ffffff);--grammar-card-border: var(--ui-border, #e5e7eb);--grammar-formula-bg: var(--ui-accent-soft, var(--content-text-context-bg));--grammar-formula-border: var(--ui-accent-border, var(--content-text-context-border));--grammar-notes-bg: color-mix(in srgb, var(--color-warning-light) 42%, var(--ui-canvas, #ffffff));--grammar-notes-border: color-mix(in srgb, var(--color-warning) 18%, var(--ui-border, #e5e7eb));--grammar-notes-title: var(--color-text);--grammar-notes-text: var(--color-text);--grammar-notes-step-size: 40px;--grammar-notes-step-bg: color-mix(in srgb, var(--color-warning-light) 55%, var(--ui-canvas, #ffffff));--grammar-notes-step-border: color-mix(in srgb, var(--color-warning) 28%, var(--ui-border, #e5e7eb));--grammar-notes-step-text: color-mix(in srgb, var(--color-warning) 72%, #78350f);--grammar-notes-step-line: color-mix(in srgb, var(--color-warning) 22%, var(--ui-border, #e5e7eb));--exercise-instruction-bg: var(--ui-accent-soft, var(--color-primary-lightest));--exercise-instruction-border: var(--ui-accent-border, var(--color-border));--exercise-surface-border: var(--ui-border, var(--color-border));--exercise-option-hover-bg: var(--ui-accent-soft, var(--color-primary-lightest));--exercise-inner-bg: var(--ui-canvas, var(--color-bg));--exercise-container-padding: var(--space-6);--exercise-container-padding-mobile: var(--space-4);--exercise-instruction-ar-size: var(--font-size-lg);--exercise-instruction-ar-weight: var(--font-weight-semibold);--exercise-instruction-ru-size: var(--font-size-sm);--exercise-instruction-ru-weight: var(--font-weight-semibold);--exercise-instruction-color: var(--color-text);--exercise-instruction-ar-size-mobile: var(--font-size-base);--exercise-instruction-ru-size-mobile: var(--font-size-sm);--exercise-question-ar-size: var(--font-size-2xl);--exercise-question-ar-weight: var(--font-weight-bold);--exercise-question-ru-size: var(--font-size-lg);--exercise-question-ru-weight: var(--font-weight-semibold);--exercise-question-ar-size-mobile: var(--font-size-xl);--exercise-question-ru-size-mobile: var(--font-size-base);--exercise-option-size: var(--font-size-base);--exercise-option-weight: var(--font-weight-normal);--exercise-option-size-mobile: var(--font-size-base);--surface-main: #FFFFFF;--surface-muted: #F9FAFB;--text-primary: #111827;--text-secondary: #374151;--text-muted: #6B7280;--progress-track: #EEF0F6;--progress-fill: rgba(99, 102, 241, .35);--progress-text: #6B7280;--glossary-bg: #F9FAFB;--text-direction: ltr;--text-align: left;--padding-start: padding-left;--padding-end: padding-right;--margin-start: margin-left;--margin-end: margin-right}[dir=rtl],.rtl{--text-direction: rtl;--text-align: right;--padding-start: padding-right;--padding-end: padding-left;--margin-start: margin-right;--margin-end: margin-left}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{margin:0;font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text);background-color:var(--color-bg);direction:var(--text-direction);text-align:var(--text-align);min-height:100vh;overflow-x:hidden;max-width:100vw;box-sizing:border-box}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);margin-top:0;margin-bottom:var(--space-4);color:var(--color-text)}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin-bottom:var(--space-4)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover,a:focus{color:var(--color-primary-dark);text-decoration:underline}a:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--border-radius-sm)}ul,ol{list-style:none}img,picture,video,canvas,svg{display:block;max-width:100%;height:auto}input,textarea,select,button{font-family:inherit;font-size:inherit;line-height:inherit}button{cursor:pointer;border:none;background:none;padding:0}input,textarea,select{width:100%;padding:var(--space-2) var(--space-3);border:var(--border-width) solid var(--color-border);border-radius:var(--border-radius);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input[type=checkbox],input[type=radio]{width:auto;padding:0;border:none;border-radius:0;box-shadow:none}input[type=checkbox]:focus,input[type=radio]:focus{outline:2px solid var(--color-primary);outline-offset:2px;border:none;box-shadow:none}input:focus:not([type=checkbox]):not([type=radio]),textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #686cdf1a}input:disabled,textarea:disabled,select:disabled{opacity:.6;cursor:not-allowed}select option:hover,select option:focus,select option:checked{background-color:var(--color-primary)!important;color:var(--color-text-inverse)!important}table{border-collapse:collapse;width:100%}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.d-block{display:block}.d-inline{display:inline}.d-inline-block{display:inline-block}.d-flex{display:flex}.d-inline-flex{display:inline-flex}.d-grid{display:grid}.d-none{display:none}.flex-row{flex-direction:row}.flex-column{flex-direction:column}.flex-wrap{flex-wrap:wrap}.flex-nowrap{flex-wrap:nowrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-around{justify-content:space-around}.align-start{align-items:flex-start}.align-end{align-items:flex-end}.align-center{align-items:center}.align-stretch{align-items:stretch}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}.m-0{margin:0}.m-auto{margin:auto}.mt-0{margin-top:0}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.mx-auto{margin-left:auto;margin-right:auto}.p-0{padding:0}.p-1{padding:var(--space-1)}.p-2{padding:var(--space-2)}.p-3{padding:var(--space-3)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.p-8{padding:var(--space-8)}.px-2{padding-left:var(--space-2);padding-right:var(--space-2)}.px-4{padding-left:var(--space-4);padding-right:var(--space-4)}.py-2{padding-top:var(--space-2);padding-bottom:var(--space-2)}.py-4{padding-top:var(--space-4);padding-bottom:var(--space-4)}.text-left{text-align:left}.text-center{text-align:center}.text-right{text-align:right}.text-uppercase{text-transform:uppercase}.text-lowercase{text-transform:lowercase}.text-capitalize{text-transform:capitalize}.font-normal{font-weight:var(--font-weight-normal)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.text-xs{font-size:var(--font-size-xs)}.text-sm{font-size:var(--font-size-sm)}.text-base{font-size:var(--font-size-base)}.text-lg{font-size:var(--font-size-lg)}.text-xl{font-size:var(--font-size-xl)}.text-2xl{font-size:var(--font-size-2xl)}.text-muted{color:var(--color-text-muted)}.text-primary{color:var(--color-primary)}.text-secondary{color:var(--color-secondary)}.text-success{color:var(--color-success)}.text-danger{color:var(--color-danger)}.text-warning{color:var(--color-warning)}.arabic-text{font-family:var(--font-arabic);direction:rtl;unicode-bidi:isolate;text-align:right}.arabic-word{font-family:var(--font-arabic);font-weight:var(--font-weight-bold);color:var(--color-primary);text-decoration:none;cursor:pointer;border-bottom:1px dashed var(--color-primary);transition:color var(--transition-fast),border-color var(--transition-fast),transform .1s ease;display:inline-block;line-height:1.4;direction:rtl;text-align:right}.arabic-word:hover,.arabic-word:focus{color:var(--color-secondary);border-bottom-style:solid;transform:translateY(-1px)}a.arabic-word{outline:none}a.arabic-word:focus-visible{outline:2px solid var(--color-secondary);outline-offset:2px;border-radius:2px}.w-full{width:100%}.w-auto{width:auto}.h-full{height:100%}.h-auto{height:auto}.border{border:var(--border-width) solid var(--color-border)}.border-0{border:0}.border-top{border-top:var(--border-width) solid var(--color-border)}.border-bottom{border-bottom:var(--border-width) solid var(--color-border)}.rounded{border-radius:var(--border-radius)}.rounded-sm{border-radius:var(--border-radius-sm)}.rounded-md{border-radius:var(--border-radius-md)}.rounded-lg{border-radius:var(--border-radius-lg)}.rounded-xl{border-radius:var(--border-radius-xl)}.rounded-full{border-radius:var(--border-radius-full)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow{box-shadow:var(--shadow)}.shadow-md{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.shadow-xl{box-shadow:var(--shadow-xl)}.shadow-none{box-shadow:var(--shadow-none)}.position-relative{position:relative}.position-absolute{position:absolute}.position-fixed{position:fixed}.position-sticky{position:sticky}.text-break{overflow-wrap:anywhere;word-break:break-word;word-wrap:break-word;min-width:0}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.overflow-scroll{overflow:scroll}.opacity-0{opacity:0}.opacity-50{opacity:.5}.opacity-100{opacity:1}.dim{opacity:.4;transition:opacity var(--transition-normal)}.dim:hover,.dim:focus{opacity:1}.cursor-pointer{cursor:pointer}.cursor-not-allowed{cursor:not-allowed}.transition{transition:var(--transition-all)}.transition-fast{transition:var(--transition-fast)}.transition-normal{transition:var(--transition-normal)}.container{width:100%;max-width:var(--container-max-width);margin-left:auto;margin-right:auto;padding-left:var(--container-padding);padding-right:var(--container-padding)}.btn-primary-cta-hover{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-text-inverse)!important;box-shadow:0 4px 12px #6366f166}.btn-primary-cta-hover:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.btn-primary-cta-hover:hover,.btn-primary-cta-hover:focus{background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));color:var(--color-text-inverse)!important;transform:translateY(-2px);box-shadow:0 6px 16px #6366f180}.btn-primary-cta-hover:hover:before,.btn-primary-cta-hover:focus:before{left:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);line-height:1;color:var(--color-text-inverse);background-color:var(--color-primary);border:none;border-radius:var(--border-radius);cursor:pointer;transition:background-color var(--transition-normal),transform var(--transition-fast),box-shadow var(--transition-fast);box-shadow:var(--shadow);font-family:inherit;text-decoration:none;white-space:nowrap}.btn:hover,.btn:focus{background-color:var(--color-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);text-decoration:none}.btn:active{transform:translateY(0);box-shadow:var(--shadow)}.btn:focus-visible{outline:2px solid var(--color-secondary);outline-offset:2px;border-radius:var(--border-radius)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:var(--color-text-inverse);box-shadow:0 4px 12px #6366f166}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.btn-primary:hover,.btn-primary:focus,a.btn-primary:hover,a.btn-primary:focus{background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));color:var(--color-text-inverse)!important;transform:translateY(-2px);box-shadow:0 6px 16px #6366f180}.btn-primary:hover:before,.btn-primary:focus:before{left:100%}.guest-auth-buttons{display:flex;gap:var(--space-3);justify-content:center;flex-wrap:wrap}.guest-auth-buttons .ui-btn{text-decoration:none!important}.btn-secondary{background-color:var(--color-secondary);color:var(--color-text-inverse)}.btn-secondary:hover,.btn-secondary:focus{background-color:var(--color-secondary-dark)}.btn-outline{background-color:transparent;color:var(--color-primary);border:var(--border-width) solid var(--color-primary);box-shadow:none}.btn-outline:hover,.btn-outline:focus{background-color:var(--color-primary);color:var(--color-text-inverse);box-shadow:var(--shadow)}.btn-ghost{background-color:transparent;color:var(--color-primary);box-shadow:none}.btn-ghost:hover,.btn-ghost:focus{background-color:var(--color-bg-hover);box-shadow:none}.btn-danger{background-color:var(--color-danger);color:var(--color-text-inverse)}.btn-danger:hover,.btn-danger:focus{background-color:#dc2626}.btn-success{background-color:var(--color-success);color:var(--color-text-inverse)}.btn-success:hover,.btn-success:focus,a.btn-success:hover,a.btn-success:focus{background-color:#059669;color:var(--color-text-inverse)!important;text-decoration:none}.btn-sm{padding:var(--space-1) var(--space-3);font-size:var(--font-size-sm)}.btn-lg{padding:var(--space-3) var(--space-6);font-size:var(--font-size-lg)}.card{background-color:var(--color-bg);border:var(--border-width) solid 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.brand-text{transform:translateY(-1px)}@media(max-width:640px){.brand-text{font-size:1.3rem}}@media(max-width:480px){.brand-text{display:none}}.auth-buttons{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0;justify-self:end}.header-account-link,.header-verify-email-link{position:relative;color:var(--color-text-inverse)!important;box-shadow:none;font-weight:var(--font-weight-medium)}.header-verify-email-link{white-space:nowrap}.header-account-link:hover,.header-account-link:focus,.header-verify-email-link:hover,.header-verify-email-link:focus{color:var(--color-text-inverse)!important;box-shadow:none}.header-account-link:focus-visible,.header-verify-email-link:focus-visible{outline:none;box-shadow:var(--ui-focus-ring)}.header-notification-icon{position:absolute;top:-5px;right:-5px;background:var(--color-primary);color:var(--color-text-inverse);border-radius:50%;width:18px;height:18px;display:flex;align-items:center;justify-content:center;border:2px solid #ffffff;box-shadow:none;animation:none}.logout-icon{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;color:var(--color-text-muted);font-size:1.15rem;padding:.35rem;cursor:pointer;border-radius:var(--border-radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}.logout-icon:hover{color:var(--color-danger, #dc2626);background:transparent;transform:none}.logout-icon:focus-visible{outline:none;box-shadow:var(--ui-focus-ring)}.header-login-btn,.header-register-btn{box-shadow:none}.header-login-icon{display:none;background:none;border:none;color:var(--color-text-muted);font-size:1.25rem;cursor:pointer;transition:color var(--transition-fast);text-decoration:none;padding:var(--space-2);align-items:center;justify-content:center}.header-login-icon:hover{color:var(--color-primary);transform:none}@media(max-width:768px){.header-container{grid-template-columns:auto 1fr 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.09);background-color:var(--footer-bg);color:var(--footer-link);padding:var(--space-12) 0 var(--space-8);margin-top:var(--space-16);border-top:1px solid var(--footer-separator)}.site-footer a,.site-footer a:hover,.site-footer a:focus,.site-footer a:active,.site-footer a:visited{text-decoration:none}.footer-container{max-width:var(--container-max-width);margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-10);align-items:start;box-sizing:border-box}.footer-col{display:flex;flex-direction:column;min-width:0}.footer-title{font-size:1.05rem;font-weight:var(--font-weight-semibold);margin-bottom:var(--space-3);color:var(--footer-heading);font-family:var(--font-sans)}.footer-text{font-size:.875rem;line-height:var(--line-height-relaxed);color:var(--footer-body);margin:0 0 var(--space-4);max-width:28rem}.footer-nav{width:100%;min-width:0}.footer-links-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;min-width:0}.footer-links-column{display:flex;flex-direction:column;gap:.5rem;min-width:0}.footer-nav-tile{display:flex;align-items:center;box-sizing:border-box;width:100%;min-width:0;min-height:2.75rem;padding:.5rem .75rem;border-radius:var(--ui-radius-control, 12px);background:var(--footer-tile-bg);color:var(--footer-link);text-decoration:none;font-size:.875rem;font-weight:var(--font-weight-medium);line-height:1.25;box-shadow:none;transition:background-color var(--transition-fast),color var(--transition-fast)}.footer-nav-tile:hover,.footer-nav-tile:focus{background:var(--footer-tile-bg-hover);color:var(--footer-hover);outline:none}.footer-nav-tile:focus-visible{box-shadow:0 0 0 2px #a5a8f073}.footer-nav-tile.active{background:var(--footer-tile-bg-active);color:var(--footer-accent)}.footer-text-link{display:inline-flex;align-items:center;width:fit-content;max-width:100%;margin-top:.125rem;color:var(--footer-link);text-decoration:none;font-size:.875rem;font-weight:var(--font-weight-normal);background:transparent;transition:color var(--transition-fast)}.footer-text-link:hover,.footer-text-link:focus{color:var(--footer-hover)}.footer-countries-row{display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-4);font-size:.8125rem;color:var(--footer-body)}.footer-countries-label{flex-shrink:0;font-weight:var(--font-weight-medium);color:var(--footer-body)}.footer-countries-inline{display:flex;flex-wrap:wrap;align-items:center;gap:0}.footer-countries-item{display:inline-flex;align-items:center}.footer-countries-sep{margin:0 .2rem;opacity:.55;-webkit-user-select:none;user-select:none}.footer-countries-link{color:var(--footer-link);text-decoration:none;transition:color var(--transition-fast)}.footer-countries-link:hover{color:var(--footer-hover)}.footer-countries-link.active{color:var(--footer-accent)}.footer-bottom{max-width:var(--container-max-width);margin:var(--space-8) auto 0;padding:var(--space-6) 1.5rem 0;font-size:.8125rem;color:var(--footer-body);border-top:1px solid var(--footer-separator);box-sizing:border-box}.footer-bottom-content{display:flex;align-items:center;justify-content:center;gap:var(--space-6);flex-wrap:wrap;flex-direction:column}.footer-bottom-content p{margin:0}.footer-partners-inline{display:flex;flex-direction:column;gap:0}.footer-partners-inline h2{color:var(--footer-heading)}.footer-legal-links{display:flex;flex-direction:column;gap:.4rem;margin-top:var(--space-4);align-items:flex-start}.footer-legal-link{color:var(--footer-body);text-decoration:none;font-size:.875rem;transition:color var(--transition-fast)}.footer-legal-link:hover{color:var(--footer-hover)}.footer-contacts{display:flex;flex-direction:column;gap:.625rem}.footer-email-row{display:flex;align-items:baseline;gap:.4rem;flex-wrap:wrap}.footer-email-label{font-size:.875rem;color:var(--footer-body);font-weight:var(--font-weight-normal)}.footer-email-link{color:var(--footer-link);text-decoration:none;font-size:.875rem;transition:color var(--transition-fast);overflow-wrap:anywhere}.footer-email-link:hover{color:var(--footer-hover)}.footer-cta-wrapper{display:flex;flex-direction:column;gap:var(--space-3);margin-top:var(--space-4)}.footer-mentor-link{display:inline-flex;align-items:center;align-self:flex-start;background:none;border:none;padding:0;margin:0;color:var(--footer-link);font:inherit;font-size:.875rem;font-weight:var(--font-weight-medium);cursor:pointer;transition:color var(--transition-fast)}.footer-mentor-link:hover{color:var(--footer-hover)}.footer-secondary-links{display:flex;flex-direction:column;gap:.4rem}.footer-link-button{background:transparent;border:none;color:var(--footer-body);text-decoration:none;font-size:.875rem;font-weight:var(--font-weight-normal);cursor:pointer;text-align:left;padding:0;transition:color var(--transition-fast);font-family:inherit;width:auto}.footer-link-button:hover{color:var(--footer-hover)}@media(max-width:1024px){.footer-container{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-8)}.footer-col:nth-child(3){grid-column:1 / -1}}@media(max-width:768px){.site-footer{padding:var(--space-12) 0 var(--space-6)}.footer-container{grid-template-columns:1fr;gap:var(--space-8);padding:0 1rem}.footer-col:nth-child(3){grid-column:auto}.footer-title{font-size:1rem;margin-bottom:var(--space-2)}.footer-links-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-bottom{padding-inline:1rem}}@media(max-width:380px){.footer-links-grid{grid-template-columns:1fr}}@media(max-width:480px){.footer-bottom{font-size:.75rem}.footer-bottom-content{text-align:center}}._backdrop_1fyub_1{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:var(--space-6);z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}._modal_1fyub_13{position:relative;width:min(520px,100%);background:#fff;border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-xl);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-5);animation:_fadeInUp_1fyub_1 .25s ease-out both}._closeButton_1fyub_26{position:absolute;top:var(--space-3);right:var(--space-3);background:transparent;border:none;font-size:1.75rem;line-height:1;cursor:pointer;color:var(--color-text-muted);transition:color var(--transition-fast),transform var(--transition-fast)}._closeButton_1fyub_26:hover{color:var(--color-primary);transform:scale(1.1)}._title_1fyub_44{margin:0;font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text);padding-right:var(--space-6)}._subtitle_1fyub_52{margin:0;font-size:var(--font-size-base);color:var(--color-text-muted);line-height:var(--line-height-relaxed)}._form_1fyub_59{display:flex;flex-direction:column;gap:var(--space-4)}._label_1fyub_65{display:flex;flex-direction:column;gap:var(--space-2);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text)}._select_1fyub_74{margin-top:var(--space-1)}._textarea_1fyub_78{min-height:160px;resize:vertical}._emailNote_1fyub_83{display:flex;flex-direction:column;gap:var(--space-1);font-size:var(--font-size-sm);color:var(--color-text-muted);background:var(--color-bg-muted);border-radius:var(--border-radius);padding:var(--space-3)}._emailLabel_1fyub_94{font-weight:var(--font-weight-semibold);color:var(--color-text)}._emailValue_1fyub_99{font-family:var(--font-sans);color:var(--color-primary)}._emailMuted_1fyub_104{color:var(--color-text-muted);font-style:italic}._actions_1fyub_109{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-2)}@media(max-width:640px){._backdrop_1fyub_1{padding:var(--space-4)}._modal_1fyub_13{padding:var(--space-6);border-radius:var(--border-radius-xl)}._title_1fyub_44{font-size:var(--font-size-2xl)}._actions_1fyub_109{flex-direction:column-reverse;align-items:stretch}}@keyframes _fadeInUp_1fyub_1{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}._backdrop_1rkxc_1{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:var(--space-6);z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}._modal_1rkxc_13{position:relative;width:min(520px,100%);max-height:90vh;background:#fff;border-radius:var(--border-radius-2xl);box-shadow:var(--shadow-xl);padding:var(--space-8);display:flex;flex-direction:column;gap:var(--space-5);animation:_fadeInUp_1rkxc_1 .25s ease-out both;overflow:hidden}._closeButton_1rkxc_28{position:absolute;top:var(--space-3);right:var(--space-3);background:transparent;border:none;font-size:1.75rem;line-height:1;cursor:pointer;color:var(--color-text-muted);transition:color var(--transition-fast),transform var(--transition-fast)}._closeButton_1rkxc_28:hover{color:var(--color-primary);transform:scale(1.1)}._title_1rkxc_46{margin:0;font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);color:var(--color-text);padding-right:var(--space-6)}._subtitle_1rkxc_54{margin:0;font-size:var(--font-size-base);color:var(--color-text-muted);line-height:var(--line-height-relaxed)}._form_1rkxc_61{display:flex;flex-direction:column;gap:var(--space-4);overflow-y:auto;flex:1;min-height:0}._label_1rkxc_70{display:flex;flex-direction:column;gap:var(--space-2);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);color:var(--color-text)}._select_1rkxc_79,._input_1rkxc_83{margin-top:var(--space-1)}._textarea_1rkxc_87{min-height:160px;resize:vertical}._radioGroup_1rkxc_92{display:flex;flex-direction:column;gap:var(--space-2);margin-top:var(--space-1)}._radioLabel_1rkxc_99{display:flex;align-items:center;gap:var(--space-2);font-weight:var(--font-weight-normal);cursor:pointer;font-size:var(--font-size-base)}._radio_1rkxc_92{width:18px;height:18px;cursor:pointer;accent-color:var(--color-primary)}._emailNote_1rkxc_115{display:flex;flex-direction:column;gap:var(--space-1);font-size:var(--font-size-sm);color:var(--color-text-muted);background:var(--color-bg-muted);border-radius:var(--border-radius);padding:var(--space-3)}._emailLabel_1rkxc_126{font-weight:var(--font-weight-semibold);color:var(--color-text)}._emailValue_1rkxc_131{font-family:var(--font-sans);color:var(--color-primary)}._emailMuted_1rkxc_136{color:var(--color-text-muted);font-style:italic}._actions_1rkxc_141{display:flex;justify-content:flex-end;gap:var(--space-3);margin-top:var(--space-2)}@media(max-width:640px){._backdrop_1rkxc_1{padding:var(--space-4)}._modal_1rkxc_13{padding:var(--space-6);border-radius:var(--border-radius-xl)}._title_1rkxc_46{font-size:var(--font-size-2xl)}._actions_1rkxc_141{flex-direction:column-reverse;align-items:stretch}}@keyframes _fadeInUp_1rkxc_1{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}._partnersPanel_13tc3_6{width:100%;padding:var(--space-8) 0}._partnersPanel_13tc3_6._default_13tc3_11{padding:var(--space-10) 0}._partnersPanel_13tc3_6._compact_13tc3_15{padding:var(--space-4) 0}._title_13tc3_19{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);text-align:left;margin-bottom:var(--space-6);color:var(--color-primary)}._partnersPanel_13tc3_6._compact_13tc3_15 ._title_13tc3_19{font-size:1.05rem;font-weight:var(--font-weight-semibold);margin-bottom:var(--space-3);color:inherit}._partnersGrid_13tc3_34{display:flex;flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:var(--space-6);max-width:1200px;margin:0}._alignCenter_13tc3_44 ._title_13tc3_19{text-align:center}._alignCenter_13tc3_44 ._partnersGrid_13tc3_34{justify-content:center;margin:0 auto}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnersGrid_13tc3_34{gap:var(--space-3)}._partnerItem_13tc3_57{display:flex;align-items:center;justify-content:center;transition:opacity var(--transition-fast)}._partnerItem_13tc3_57:hover{opacity:.92}._partnerLink_13tc3_68,._partnerWrapper_13tc3_69{display:flex;align-items:center;justify-content:center;padding:var(--space-3);border-radius:var(--ui-radius-control, 12px);background:var(--ui-canvas, var(--color-bg));border:1px solid var(--ui-border, var(--color-border));box-shadow:none;transition:background-color var(--transition-fast),border-color var(--transition-fast)}._partnerLink_13tc3_68:hover{background:var(--ui-accent-soft, var(--color-primary-lightest));border-color:var(--ui-accent-border, var(--color-primary-lighter));box-shadow:none}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerLink_13tc3_68,._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerWrapper_13tc3_69{padding:.25rem;border-radius:var(--border-radius-md);background:#ffffffeb;box-shadow:none}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerLink_13tc3_68:hover{background:#fff;box-shadow:none}._partnerIcon_13tc3_102{max-width:120px;max-height:60px;width:auto;height:auto;object-fit:contain;filter:grayscale(20%);transition:filter var(--transition-normal)}._partnerLink_13tc3_68:hover ._partnerIcon_13tc3_102{filter:grayscale(0%)}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerIcon_13tc3_102{max-width:64px;max-height:28px;filter:none}@media(max-width:768px){._partnersGrid_13tc3_34{gap:var(--space-4)}._partnerIcon_13tc3_102{max-width:100px;max-height:50px}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerIcon_13tc3_102{max-width:50px;max-height:22px}._title_13tc3_19{font-size:var(--font-size-xl);margin-bottom:var(--space-6)}}@media(max-width:480px){._partnersGrid_13tc3_34{gap:var(--space-3)}._partnerIcon_13tc3_102{max-width:80px;max-height:40px}._partnersPanel_13tc3_6._compact_13tc3_15 ._partnerIcon_13tc3_102{max-width:48px;max-height:22px}}.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--color-bg);border-top:1px solid var(--color-border);box-shadow:0 -4px 12px #0000001a;z-index:1000;padding:var(--space-4) var(--space-4);animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.cookie-banner-content{max-width:var(--container-max-width);margin:0 auto;display:flex;flex-direction:column;gap:var(--space-4);align-items:flex-start}.cookie-banner-text{font-size:var(--font-size-sm);color:var(--color-text);line-height:var(--line-height-relaxed);margin:0;flex:1}.cookie-banner-actions{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap;width:100%}.cookie-banner-link{color:var(--color-primary);text-decoration:underline;font-size:var(--font-size-sm);transition:color var(--transition-fast)}.cookie-banner-link:hover{color:var(--color-primary-dark)}.cookie-banner-button{background:var(--color-primary);color:var(--color-text-inverse);border:none;padding:var(--space-2) var(--space-5);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast);white-space:nowrap}.cookie-banner-button:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.cookie-banner-button:active{transform:translateY(0)}@media(min-width:768px){.cookie-banner-content{flex-direction:row;align-items:center}.cookie-banner-text{flex:1}.cookie-banner-actions{flex-shrink:0;width:auto}}@media(max-width:767px){.cookie-banner{padding:var(--space-3) var(--space-3)}.cookie-banner-content{gap:var(--space-3)}.cookie-banner-actions{justify-content:flex-end}.cookie-banner-button{width:100%;justify-content:center}}.legal-update-banner{position:fixed;bottom:0;left:0;right:0;background:var(--color-bg);border-top:1px solid var(--color-border);box-shadow:0 -4px 12px #0000001a;z-index:1001;padding:var(--space-4) var(--space-4);animation:slideUp .3s ease-out}.legal-update-banner.has-cookie-banner{bottom:88px}.legal-update-banner-content{max-width:var(--container-max-width);margin:0 auto;display:flex;flex-direction:column;gap:var(--space-4);align-items:flex-start}.legal-update-banner-text{font-size:var(--font-size-sm);color:var(--color-text);line-height:var(--line-height-relaxed);margin:0;flex:1}.legal-update-banner-actions{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap;width:100%}.legal-update-banner-link{color:var(--color-primary);text-decoration:underline;font-size:var(--font-size-sm);transition:color var(--transition-fast)}.legal-update-banner-link:hover{color:var(--color-primary-dark)}.legal-update-banner-button{background:var(--color-primary);color:var(--color-text-inverse);border:none;padding:var(--space-2) var(--space-5);border-radius:var(--border-radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast);white-space:nowrap}.legal-update-banner-button:hover{background:var(--color-primary-dark);transform:translateY(-1px)}.legal-update-banner-button:active{transform:translateY(0)}@media(min-width:768px){.legal-update-banner-content{flex-direction:row;align-items:center}.legal-update-banner-actions{flex-shrink:0;width:auto;justify-content:flex-end}}@media(max-width:767px){.legal-update-banner{padding:var(--space-3) var(--space-3)}.legal-update-banner-actions{justify-content:flex-end}.legal-update-banner-button{width:100%;justify-content:center}}.main-content{min-height:calc(100vh - 120px);padding:var(--space-6) var(--space-4);overflow-x:clip;max-width:100vw;box-sizing:border-box}.main-content:has(.dialect-page),.main-content:has(.homepage-page),.main-content:has(.dialect-exercise),.main-content:has(.article-page-shell),.main-content:has(.country-page),.main-content:has(.payment-success-page),.main-content:has(.course-detail-page),.main-content:has(.practice-layout),.main-content:has(.courses-page){padding:0}@media(max-width:768px){.main-content:has(.dialect-exercise){padding:0 var(--space-3);overflow-x:hidden;max-width:100vw}.main-content:has(.article-page-shell){padding:0;overflow-x:hidden;max-width:100%}.main-content:has(.course-detail-page){padding:0 var(--space-3);overflow-x:clip;max-width:100%}}@media(max-width:767px){.main-content:has(.dialect-exercise){padding-inline:0;overflow-x:visible}.main-content:has(.article-page-shell){overflow-x:visible}}@media(max-width:768px){#root:has(.account-layout){display:flex;flex-direction:column;height:100%;min-height:0}#root:has(.account-layout) .header{flex-shrink:0}#root:has(.account-layout) .site-footer,#root:has(.account-layout) footer.footer{display:none}.main-content:has(.account-layout){padding:0;overflow:hidden;flex:1 1 auto;min-height:0;display:flex;flex-direction:column;max-height:none}}.immersive #root{height:100%}.immersive .main-content{height:100%;padding:0;display:flex;flex-direction:column}.dictionary-trigger{position:fixed;bottom:var(--space-5);right:var(--space-5);width:50px;height:50px;border-radius:var(--border-radius-full);background:var(--color-primary);color:var(--color-text-inverse);border:none;font-size:var(--font-size-xl);cursor:pointer;z-index:var(--z-index-fixed);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.dictionary-trigger:hover{transform:scale(1.1);box-shadow:var(--shadow-xl)}.dictionary-trigger:focus{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}._pending_nmgip_5{max-width:40rem;margin:var(--space-10) auto;padding:var(--space-6);color:var(--ui-text-muted, var(--color-text-muted));text-align:center}._panel_nmgip_13{max-width:28rem;margin:var(--space-10) auto;padding:var(--space-6);border-radius:var(--ui-radius-panel, var(--border-radius-xl));border:1px solid var(--ui-border, var(--color-border));background:var(--ui-canvas, var(--color-bg));box-shadow:none}._title_nmgip_23{margin:0 0 var(--space-2);font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--ui-text, var(--color-text));letter-spacing:-.01em}._text_nmgip_31{margin:0 0 var(--space-5);color:var(--ui-text-muted, var(--color-text-muted));line-height:1.45;font-size:var(--font-size-sm)}._actions_nmgip_38{display:flex;flex-wrap:wrap;gap:var(--space-2)}._actions_nmgip_38 .ui-btn{text-decoration:none}