:root{--color-primary: #349bfd;--color-secondary: #8a1bd5;--color-background: #f9fafb;--color-light: #ffffff;--color-primary-light: #5fb0ff;--color-primary-dark: #1a7dd9;--color-secondary-light: #a84de8;--color-secondary-dark: #6d15a8;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-border: #e5e7eb;--color-hover: #2563eb;--color-error: #ef4444;--color-success: #22c55e;--color-warning: #f59e0b;--gradient-primary: linear-gradient(135deg, #349bfd 0%, #8a1bd5 100%);--gradient-primary-hover: linear-gradient(135deg, #1a7dd9 0%, #6d15a8 100%);--gradient-card: linear-gradient(135deg, rgba(52, 155, 253, .05) 0%, rgba(138, 27, 213, .05) 100%);--gradient-text: linear-gradient(135deg, #349bfd 0%, #8a1bd5 100%);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--border-radius-sm: .375rem;--border-radius-md: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-2xl: 1.5rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--shadow-primary: 0 10px 30px rgba(52, 155, 253, .3);--shadow-secondary: 0 10px 30px rgba(138, 27, 213, .3)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;font-weight:400;color:var(--color-text-primary);background:var(--color-background);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-image:radial-gradient(circle at 20% 50%,rgba(52,155,253,.03) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(138,27,213,.03) 0%,transparent 50%)}a{color:var(--color-primary);text-decoration:none;transition:all .2s ease}a:hover{color:var(--color-primary-dark);text-decoration:underline}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}button{border:none;border-radius:var(--border-radius-md);padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);min-height:44px;position:relative;overflow:hidden}button: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}button:hover:before{left:100%}.btn-primary{background:var(--gradient-primary);color:#fff;font-weight:600;box-shadow:var(--shadow-primary);position:relative}.btn-primary:hover{background:var(--gradient-primary-hover);transform:translateY(-2px);box-shadow:0 15px 40px #349bfd66}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-md)}.btn-secondary{background:#fff;color:var(--color-primary);border:2px solid var(--color-primary);box-shadow:var(--shadow-sm);font-weight:600;position:relative;overflow:hidden}.btn-secondary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(52,155,253,.1),transparent);transition:left .5s}.btn-secondary:hover{background:linear-gradient(135deg,#349bfd0d,#8a1bd50d);border-color:var(--color-primary-dark);color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px #349bfd40}.btn-secondary:hover:before{left:100%}.btn-secondary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn-outline{background:transparent;color:var(--color-text-primary);border:2px solid var(--color-border)}.btn-outline:hover{background:var(--gradient-card);border-color:var(--color-primary);color:var(--color-primary)}input,textarea,select{width:100%;padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--border-radius-md);background:#fff;color:var(--color-text-primary);font-size:1rem;transition:all .2s ease;font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #349bfd1a;background:#fff}input::placeholder,textarea::placeholder{color:var(--color-text-secondary)}.card{background:#fff;border:1px solid var(--color-border);border-radius:var(--border-radius-xl);padding:var(--spacing-xl);transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);opacity:0;transition:opacity .3s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--color-primary)}.card:hover:before{opacity:1}.card-gradient{background:var(--gradient-card);border:none}.navbar{background:#fff;border-bottom:1px solid var(--color-border);padding:1rem 2.5rem;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar-content{display:flex;align-items:center;justify-content:space-between;max-width:1400px;margin:0 auto;gap:2rem}.navbar-brand{font-size:1.5rem;font-weight:700;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;display:flex;align-items:center;gap:.625rem;flex-shrink:0}.navbar-nav{display:flex;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0}.navbar-nav li{display:flex;align-items:center}.nav-link{color:var(--color-text-secondary);text-decoration:none;padding:.625rem 1.25rem;border-radius:var(--border-radius-md);transition:all .2s ease;font-weight:500;position:relative;display:inline-block}.nav-link:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:0;height:2px;background:var(--gradient-primary);transition:width .3s}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-link:hover:after,.nav-link.active:after{width:80%}.navbar button{padding:.625rem 1.5rem;font-size:.95rem;font-weight:600;border-radius:var(--border-radius-lg);transition:all .3s cubic-bezier(.4,0,.2,1);min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;letter-spacing:.3px}.navbar .btn-primary{background:var(--gradient-primary);color:#fff;border:none;box-shadow:0 4px 15px #349bfd4d;position:relative;overflow:hidden}.navbar .btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s}.navbar .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #349bfd66;background:var(--gradient-primary-hover)}.navbar .btn-primary:hover:before{left:100%}.navbar .btn-primary:active{transform:translateY(0);box-shadow:0 4px 15px #349bfd4d}.navbar .btn-secondary{background:#fff;color:var(--color-primary);border:2px solid var(--color-primary);box-shadow:0 2px 8px #349bfd26}.navbar .btn-secondary:hover{background:linear-gradient(135deg,#349bfd14,#8a1bd514);border-color:var(--color-primary-dark);color:var(--color-primary-dark);transform:translateY(-2px);box-shadow:0 6px 20px #349bfd40}.navbar .btn-secondary:active{transform:translateY(0);box-shadow:0 2px 8px #349bfd26}.navbar-avatar-container{position:relative;margin-left:.75rem}.user-avatar{cursor:pointer;width:44px;height:44px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1rem;letter-spacing:.5px;box-shadow:0 2px 8px #349bfd4d;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid rgba(255,255,255,.3);position:relative;overflow:hidden}.user-avatar:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#fff3,#fff0);opacity:0;transition:opacity .3s ease}.user-avatar:hover{transform:scale(1.08);box-shadow:0 4px 16px #349bfd80;border-color:#ffffff80}.user-avatar:hover:before{opacity:1}.user-avatar:active{transform:scale(1.02)}.dropdown-menu{position:absolute;top:calc(100% + 12px);right:0;min-width:280px;background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 10px 25px #00000026,0 4px 10px #0000001a;z-index:1000;animation:dropdownFadeIn .2s ease-out;overflow:hidden;border:1px solid var(--color-border)}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.dropdown-header{padding:var(--spacing-lg);background:linear-gradient(135deg,#349bfd0d,#8a1bd50d)}.user-info{display:flex;align-items:center;gap:var(--spacing-md)}.user-avatar-small{width:52px;height:52px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:.5px;box-shadow:0 2px 8px #349bfd4d;flex-shrink:0;border:2px solid rgba(255,255,255,.3)}.user-details{flex:1;min-width:0}.user-name{font-weight:600;font-size:1rem;color:var(--color-text-primary);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:.875rem;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dropdown-divider{margin:0;border:none;border-top:1px solid var(--color-border);opacity:.5}.dropdown-item{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:transparent;border:none;text-align:left;font-size:.95rem;font-weight:500;color:var(--color-text-primary);cursor:pointer;transition:all .2s ease;font-family:inherit;text-decoration:none;display:block}.dropdown-item:hover{background:#349bfd14;color:var(--color-primary)}.dropdown-item:active{background:#349bfd1f}.hero{background:var(--gradient-primary);color:#fff;padding:var(--spacing-2xl) var(--spacing-xl);text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:rotate 20s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hero-content{position:relative;z-index:1;max-width:800px;margin:0 auto}.hero h1{font-size:3rem;margin-bottom:var(--spacing-md);text-shadow:0 2px 10px rgba(0,0,0,.2)}.hero p{font-size:1.25rem;color:#ffffffe6;margin-bottom:var(--spacing-xl)}.levels-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--spacing-lg);padding:var(--spacing-xl);max-width:1400px;margin:0 auto}.level-card{background:#fff;border:2px solid var(--color-border);border-radius:var(--border-radius-xl);padding:var(--spacing-xl);text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden}.level-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-primary);transform:scaleX(0);transition:transform .3s}.level-card:hover:before{transform:scaleX(1)}.level-card.unlocked{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.level-card.unlocked:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl);border-color:var(--color-primary-dark)}.level-card.locked{opacity:.5;cursor:not-allowed;background:#f3f4f6}.level-card.completed{background:var(--gradient-card);border-color:var(--color-success)}.card.completed{border-color:var(--color-success);background:linear-gradient(135deg,#22c55e1a,#22c55e0d)}.card.completed:before{opacity:1;background:var(--color-success)}.card.locked{background:#f3f4f6;border-color:var(--color-border);cursor:not-allowed}.card.unlocked{border-color:var(--color-primary)}.level-badge{display:inline-block;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius-md);font-weight:600;margin-bottom:var(--spacing-md)}.level-badge.unlocked{background:var(--gradient-primary);color:#fff}.level-badge.locked{background:var(--color-border);color:var(--color-text-secondary)}.level-badge.completed{background:var(--color-success);color:#fff}.lesson-container{max-width:1000px;margin:0 auto;padding:var(--spacing-xl)}.lesson-header{background:#fff;border-radius:var(--border-radius-xl);padding:var(--spacing-xl);margin-bottom:var(--spacing-xl);box-shadow:var(--shadow-md)}.lesson-content{background:#fff;border-radius:var(--border-radius-xl);padding:var(--spacing-2xl);box-shadow:var(--shadow-md);min-height:400px}.lesson-progress{height:6px;background:var(--color-border);border-radius:var(--border-radius-sm);overflow:hidden;margin:var(--spacing-lg) 0}.lesson-progress-bar{height:100%;background:var(--gradient-primary);transition:width .3s;border-radius:var(--border-radius-sm)}.lesson__title{margin-bottom:var(--spacing-lg);color:var(--color-primary);font-size:1.75rem;font-weight:600}.lesson__section{margin-bottom:var(--spacing-xl)}.lesson__section-title{margin-bottom:var(--spacing-md);font-size:1.25rem;font-weight:600;color:var(--color-text-primary);display:flex;align-items:center;gap:.5rem}.lesson__title{display:flex;align-items:center;gap:.75rem}.tip-card__title{display:flex;align-items:center;gap:.5rem}.vocabulary-card{background:var(--gradient-card);padding:var(--spacing-lg);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.vocabulary-card__item{margin-bottom:var(--spacing-sm);line-height:1.8}.vocabulary-card__item:last-child{margin-bottom:0}.vocabulary-card__item strong{color:var(--color-primary);font-weight:600}.vocabulary-card__item-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.vocabulary-card__item-word{color:var(--color-primary);font-size:1.1rem;font-weight:600}.vocabulary-card__item-arrow{color:var(--color-text-secondary)}.vocabulary-card__pronunciation{color:var(--color-secondary);font-style:italic;font-size:.95rem;margin-left:.75rem}.vocabulary-card__pronunciation-text{font-family:monospace}.phrase-card{background:#fff;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--color-border);margin-bottom:var(--spacing-md)}.phrase-card__item{margin-bottom:var(--spacing-sm);line-height:1.8}.phrase-card__item:last-child{margin-bottom:0}.phrase-card__item strong{color:var(--color-primary);font-weight:600}.phrase-card__header{font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-primary)}.tip-card{background:#349bfd1a;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:2px solid var(--color-primary);margin-bottom:var(--spacing-md)}.tip-card__title{margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:600;color:var(--color-primary)}.tip-card__content{line-height:1.7;color:var(--color-text-primary)}.remember-card{background:#8a1bd51a;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:2px solid var(--color-secondary);margin-bottom:var(--spacing-md)}.remember-card__title{margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:600;color:var(--color-secondary)}.remember-card__content{line-height:1.7;color:var(--color-text-primary)}.remember-card__content ul{margin-top:var(--spacing-sm);padding-left:1.5rem;line-height:1.8}.remember-card__content ul li{margin-bottom:var(--spacing-xs)}.negative-card{background:#ef44441a;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--color-error);margin-bottom:var(--spacing-md)}.negative-card__title{margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:600;color:var(--color-error)}.negative-card__item{margin-bottom:var(--spacing-sm);line-height:1.8}.negative-card__item:last-child{margin-bottom:0}.negative-card__item strong{color:var(--color-error);font-weight:600}.question-card{background:#fff;padding:var(--spacing-lg);border-radius:var(--border-radius-lg);border:1px solid var(--color-border);margin-bottom:var(--spacing-md)}.question-card__title{margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:600;color:var(--color-text-primary)}.question-card__content{line-height:1.7;color:var(--color-text-primary)}.question-card__tip{margin-top:var(--spacing-md);font-style:italic;color:var(--color-text-secondary)}.question-card__item{padding:var(--spacing-sm) 0;margin-bottom:var(--spacing-sm);border-bottom:1px solid var(--color-border)}.question-card__item:last-child{border-bottom:none;margin-bottom:0}.tip-card__content p{margin-bottom:var(--spacing-sm)}.tip-card__content p:last-child{margin-bottom:0}.tip-card__content p.tip-card__note{font-style:italic;margin-top:var(--spacing-md)}.question-card__content p{margin-bottom:var(--spacing-sm)}.question-card__content p:last-child{margin-bottom:0}.color-card{padding:var(--spacing-lg);border-radius:var(--border-radius-md);text-align:center;transition:transform .2s ease,box-shadow .2s ease}.color-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.color-card__name{font-size:1.5rem;font-weight:700;margin-bottom:var(--spacing-xs)}.color-card__translation{font-size:1rem}.vocabulary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.color-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-md)}.alphabet-card{background:var(--gradient-card);padding:var(--spacing-xl);border-radius:var(--border-radius-lg);margin-bottom:var(--spacing-md)}.alphabet-card__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-md)}.alphabet-card__item{text-align:center;padding:var(--spacing-sm);border-radius:var(--border-radius-md);transition:background-color .2s ease}.alphabet-card__item:hover{background-color:#349bfd1a}.alphabet-card__letter{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-xs);color:var(--color-primary);display:block}.alphabet-card__pronunciation{font-size:.95rem;color:var(--color-text-secondary);display:block}@media(max-width:768px){.alphabet-card{padding:var(--spacing-lg)}.alphabet-card__grid{grid-template-columns:repeat(4,1fr);gap:var(--spacing-sm)}.alphabet-card__item{padding:var(--spacing-xs)}.alphabet-card__letter{font-size:1.5rem;margin-bottom:.25rem}.alphabet-card__pronunciation{font-size:.85rem}}@media(max-width:480px){.alphabet-card__grid{grid-template-columns:repeat(4,1fr);gap:var(--spacing-xs)}.alphabet-card__letter{font-size:1.4rem}.alphabet-card__pronunciation{font-size:.8rem}}.exam-container{max-width:800px;margin:0 auto;padding:var(--spacing-xl)}.exam{padding:var(--spacing-xl)}.exam__title{margin-bottom:var(--spacing-lg);color:var(--color-primary);font-size:1.75rem;font-weight:600}.exam__description{margin-bottom:var(--spacing-xl);color:var(--color-text-secondary);line-height:1.6}.exam__question{background:#fff;border-radius:var(--border-radius-xl);padding:var(--spacing-xl);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-md)}.exam__question-number{margin-bottom:var(--spacing-md);font-size:1rem;color:var(--color-text-secondary);font-weight:500}.exam__question-text{font-size:1.1rem;margin-bottom:var(--spacing-lg);font-weight:500;color:var(--color-text-primary);line-height:1.6}.exam__options{display:flex;flex-direction:column;gap:var(--spacing-md);margin-top:var(--spacing-lg)}.exam__option{padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--border-radius-md);cursor:pointer;transition:all .2s;background:#fff;font-size:1rem;line-height:1.5}.exam__progress{margin-bottom:var(--spacing-xl)}.exam__progress-bar{width:100%;height:8px;background:var(--color-border);border-radius:var(--border-radius-full);overflow:hidden;margin-bottom:var(--spacing-sm)}.exam__progress-fill{height:100%;width:var(--progress, 0%);background:var(--gradient-primary);border-radius:var(--border-radius-full);transition:width .3s ease}.exam__progress-text{font-size:.875rem;color:var(--color-text-secondary);text-align:center;font-weight:500}.exam__option-letter{display:inline-block;min-width:32px;font-weight:700;color:var(--color-primary);margin-right:var(--spacing-sm)}.exam__option-text{flex:1}.exam__option{display:flex;align-items:center;padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:var(--border-radius-md);cursor:pointer;transition:all .2s;background:#fff;font-size:1rem;line-height:1.5}.exam__option:hover{border-color:var(--color-primary);background:#349bfd0d;transform:translate(4px)}.exam__option--selected{border-color:var(--color-primary);background:#349bfd1a;font-weight:500}.exam__navigation{display:flex;justify-content:space-between;align-items:center;margin-top:var(--spacing-2xl);gap:var(--spacing-md)}.exam__nav-button{padding:.875rem 2rem;font-size:1rem;font-weight:600;border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:all .2s ease;min-width:140px}.exam__nav-button--prev{background:#fff;color:var(--color-text-primary);border:2px solid var(--color-border)}.exam__nav-button--prev:hover:not(:disabled){border-color:var(--color-primary);background:#349bfd0d}.exam__nav-button--prev:disabled{opacity:.5;cursor:not-allowed}.exam__nav-button--next,.exam__nav-button--submit{background:var(--gradient-primary);color:#fff;border:none}.exam__nav-button--next:hover,.exam__nav-button--submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.exam__nav-button--submit:disabled{opacity:.6;cursor:not-allowed;transform:none}.exam__submit{display:flex;justify-content:center;margin-top:var(--spacing-2xl)}.exam__submit .btn-primary{padding:1rem 3rem;font-size:1.1rem}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .3s}@keyframes 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var(--spacing-md);font-size:.9rem}.profile__empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-secondary);font-size:1.1rem}@media(max-width:768px){.profile{padding:var(--spacing-md)}.profile__title{font-size:2rem}.profile__section{padding:var(--spacing-md)}.profile__levels-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--spacing-md)}.profile__info-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}}.locked-level-modal__overlay{background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.locked-level-modal{max-width:500px;background:linear-gradient(135deg,#fff,#fffffffa);border:2px solid var(--color-primary);box-shadow:0 20px 60px #349bfd4d,0 0 40px #8a1bd533;animation:lockedLevelModalEnter .4s cubic-bezier(.34,1.56,.64,1)}@keyframes lockedLevelModalEnter{0%{opacity:0;transform:scale(.8) translateY(-20px)}to{opacity:1;transform:scale(1) 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p,.exam-failed-modal__score-text{font-size:.95rem}.exam-failed-modal__footer{flex-direction:column}.exam-failed-modal__retry-btn,.exam-failed-modal__review-btn,.exam-failed-modal__close-btn{width:100%;min-width:auto}}.toast{position:fixed;top:2rem;right:2rem;z-index:10000;min-width:300px;max-width:500px;background:#fff;border-radius:var(--border-radius-lg);box-shadow:0 10px 40px #00000026;animation:slideInRight .3s ease-out;border-left:4px solid}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.toast--success{border-left-color:var(--color-success)}.toast--error{border-left-color:var(--color-error)}.toast--warning{border-left-color:var(--color-warning)}.toast--info{border-left-color:var(--color-primary)}.toast__content{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) 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li{margin:.5rem 0;background:#22c55e1a;border-left:3px solid var(--color-success);border-radius:var(--border-radius-sm);font-size:1.05rem;color:var(--color-text-primary);position:relative;padding:.75rem 1rem .75rem 2.5rem}.motivational-card__commitment-list li:before{content:"✓";position:absolute;left:.75rem;color:var(--color-success);font-weight:700;font-size:1.2rem}@media(max-width:768px){.motivational-card{padding:1.5rem}.motivational-card__title{font-size:1.5rem}.motivational-card__text{font-size:1rem}.motivational-card__quote-text,.motivational-card__question{font-size:1.1rem}}.not-found-container{min-height:calc(100vh - 80px);display:flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-md);background:linear-gradient(135deg,#8a1bd50d,#349bfd0d);position:relative;overflow:hidden}.not-found-container:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(138,27,213,.08) 0%,transparent 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