@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";.navbar{position:sticky;top:0;z-index:var(--z-sticky);background:#ffffffb8;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(4,120,87,.1);box-shadow:var(--shadow-enterprise)}.navbar__container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);width:100%;padding:var(--space-2) var(--space-4)}@media(min-width:768px){.navbar__container{padding:var(--space-2) var(--space-6)}}@media(min-width:1280px){.navbar__container{padding:var(--space-2) var(--space-8)}}.navbar__brand{display:flex;align-items:center;flex-shrink:0}.navbar__logo{display:flex;align-items:center;gap:var(--space-3);text-decoration:none;transition:opacity var(--transition-fast)}.navbar__logo:hover{opacity:.85}.navbar__logo-icon{width:36px;height:36px}@media(min-width:768px){.navbar__logo-icon{width:40px;height:40px}}.navbar__logo-text{font-size:var(--text-xl);font-weight:var(--font-bold);color:var(--text-primary);letter-spacing:-.02em}@media(min-width:768px){.navbar__logo-text{font-size:1.375rem}}.navbar__nav{display:none;align-items:center;gap:var(--space-1);margin:0;padding:0;list-style:none;position:absolute;left:50%;transform:translate(-50%)}@media(min-width:768px){.navbar__nav{display:flex;position:static;transform:none}}@media(min-width:1024px){.navbar__nav{position:absolute;left:50%;transform:translate(-50%)}}.navbar__nav-item{position:relative}.navbar__nav-link{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-lg);transition:all var(--transition-fast);position:relative}.navbar__nav-link:hover{color:var(--text-primary);background-color:var(--surface-hover)}.navbar__nav-link--active{color:var(--color-primary-600);font-weight:var(--font-semibold)}.navbar__nav-link--active:after{content:"";position:absolute;bottom:-2px;left:50%;transform:translate(-50%);width:calc(100% - var(--space-3));height:2px;background:var(--color-primary-500);border-radius:var(--radius-full);box-shadow:var(--glow-primary)}.navbar__nav-link:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.navbar__nav-link svg{color:var(--color-neutral-400);transition:color var(--transition-fast)}.navbar__nav-link:hover svg{color:var(--color-neutral-600)}.navbar__nav-link--active svg{color:var(--color-primary-500)}.navbar__actions{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}@media(min-width:768px){.navbar__actions{gap:var(--space-3)}}.navbar__streak{display:none;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-3);background:var(--color-neutral-100);border:1px solid var(--border-subtle);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--color-neutral-600)}@media(min-width:768px){.navbar__streak{display:flex}}.navbar__streak-icon{color:var(--color-neutral-500)}.navbar__streak--active{background:linear-gradient(135deg,var(--color-warning-50),var(--color-warning-100));border-color:var(--color-warning-200);color:var(--color-warning-700)}.navbar__streak--active .navbar__streak-icon{color:var(--color-warning-500);animation:flicker 1.5s ease-in-out infinite}@keyframes flicker{0%,to{opacity:1}50%{opacity:.7}}.navbar__streak-value{font-variant-numeric:tabular-nums}.navbar__notifications{display:none;position:relative}@media(min-width:768px){.navbar__notifications{display:block}}.navbar__notification-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:none;border:none;border-radius:var(--radius-lg);color:var(--color-neutral-400);cursor:pointer;transition:all var(--transition-fast);position:relative}.navbar__notification-btn:hover{background:var(--surface-hover);color:var(--color-neutral-600)}.navbar__notification-badge{display:none;position:absolute;top:6px;right:6px;width:6px;height:6px;background:var(--color-error-500);border-radius:var(--radius-full);border:1.5px solid white}.navbar__notification-btn--active .navbar__notification-badge{display:block}.navbar__user-menu{position:relative;display:none}@media(min-width:768px){.navbar__user-menu{display:block}}.navbar__user-button{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2);background:none;border:none;border-radius:var(--radius-xl);cursor:pointer;transition:background-color var(--transition-fast)}.navbar__user-button:hover{background-color:var(--surface-hover)}.navbar__user-avatar{width:36px;height:36px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary-400),var(--color-primary-600));display:flex;align-items:center;justify-content:center;font-size:var(--text-sm);font-weight:var(--font-bold);color:#fff;text-transform:uppercase;box-shadow:0 2px 4px #10b9814d}.navbar__user-name{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);max-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.navbar__user-chevron{color:var(--text-tertiary);transition:transform var(--transition-fast)}.navbar__user-button[aria-expanded=true] .navbar__user-chevron{transform:rotate(180deg)}.navbar__dropdown{position:absolute;top:calc(100% + var(--space-2));right:0;min-width:220px;background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--space-2);z-index:var(--z-dropdown);animation:fadeInDown var(--transition-fast) ease-out}.navbar__dropdown-header{padding:var(--space-3) var(--space-3);border-bottom:1px solid var(--border-primary);margin-bottom:var(--space-2)}.navbar__dropdown-email{font-size:var(--text-xs);color:var(--text-tertiary);margin:0}.navbar__dropdown-item{display:flex;align-items:center;gap:var(--space-3);width:100%;padding:var(--space-3) var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-lg);background:none;border:none;cursor:pointer;transition:all var(--transition-fast)}.navbar__dropdown-item:hover{color:var(--text-primary);background-color:var(--surface-hover)}.navbar__dropdown-item--danger:hover{color:var(--color-error-600);background-color:var(--color-error-50)}.navbar__dropdown-divider{height:1px;background:var(--border-primary);margin:var(--space-2) 0}.navbar__mobile-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;color:var(--text-secondary);background:none;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast)}.navbar__mobile-toggle:hover{color:var(--text-primary);background-color:var(--surface-hover)}@media(min-width:768px){.navbar__mobile-toggle{display:none}}.navbar__mobile-menu{position:absolute;top:100%;left:0;right:0;background:var(--surface-primary);border-bottom:1px solid var(--border-primary);box-shadow:var(--shadow-xl);animation:fadeInDown var(--transition-fast) ease-out}@media(min-width:768px){.navbar__mobile-menu{display:none}}.navbar__mobile-nav{display:flex;flex-direction:column;padding:var(--space-3);margin:0;list-style:none}.navbar__mobile-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);font-size:var(--text-base);font-weight:var(--font-medium);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-xl);transition:all var(--transition-fast);width:100%;background:none;border:none;cursor:pointer;text-align:left}.navbar__mobile-link:hover{color:var(--text-primary);background-color:var(--surface-hover)}.navbar__mobile-link--active{color:var(--color-primary-600);background-color:var(--color-primary-50);font-weight:var(--font-semibold)}.navbar__mobile-link--active svg{color:var(--color-primary-500)}.navbar__mobile-logout{color:var(--color-error-600);margin-top:var(--space-2);padding-top:var(--space-4);border-top:1px solid var(--border-primary);border-radius:0 0 var(--radius-xl) var(--radius-xl)}.navbar__mobile-logout:hover{background-color:var(--color-error-50)}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.toast-container{position:fixed;top:var(--space-4);right:var(--space-4);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-3);max-width:400px;width:calc(100% - var(--space-8))}.toast{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background-color:var(--surface-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:toastSlideIn var(--transition-slow) ease-out}.toast__icon{flex-shrink:0;display:flex;align-items:center;justify-content:center}.toast__message{flex:1;font-size:var(--text-sm);color:var(--text-primary);line-height:var(--leading-normal)}.toast__dismiss{flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:var(--space-1);color:var(--text-tertiary);background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast),background-color var(--transition-fast)}.toast__dismiss:hover{color:var(--text-primary);background-color:var(--surface-hover)}.toast--success .toast__icon{color:var(--color-success-500)}.toast--success{border-left:3px solid var(--color-success-500)}.toast--error .toast__icon{color:var(--color-error-500)}.toast--error{border-left:3px solid var(--color-error-500)}.toast--warning .toast__icon{color:var(--color-warning-500)}.toast--warning{border-left:3px solid var(--color-warning-500)}.toast--info .toast__icon{color:var(--color-info-500)}.toast--info{border-left:3px solid var(--color-info-500)}@media(max-width:640px){.toast-container{left:var(--space-4);right:var(--space-4);width:auto;max-width:none}}.loader-spinner{display:inline-flex;align-items:center;justify-content:center}.loader-spinner svg{animation:spin 1s linear infinite}.loader-spinner--sm{width:var(--size-icon-sm);height:var(--size-icon-sm)}.loader-spinner--md{width:var(--size-icon-lg);height:var(--size-icon-lg)}.loader-spinner--lg{width:var(--size-icon-xl);height:var(--size-icon-xl)}.loader-spinner__track{opacity:.2}.loader-spinner__indicator{stroke-dasharray:42;stroke-dashoffset:12;transform-origin:center}.classic-spinner{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-full);border:4px solid var(--color-primary-500);border-top-color:transparent;animation:spin 1s linear infinite}.classic-spinner--sm{width:var(--size-icon-sm);height:var(--size-icon-sm);border-width:2px}.classic-spinner--md{width:var(--size-icon-lg);height:var(--size-icon-lg);border-width:3px}.classic-spinner--lg{width:var(--size-icon-xl);height:var(--size-icon-xl);border-width:4px}.skeleton{background:linear-gradient(90deg,var(--color-neutral-200) 0%,var(--color-neutral-100) 50%,var(--color-neutral-200) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite}.skeleton--text{border-radius:var(--radius-sm);margin-bottom:var(--space-2)}.skeleton--circle{border-radius:var(--radius-full)}.skeleton--rect{border-radius:var(--radius-md)}.skeleton--card{border-radius:var(--radius-lg);height:200px}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;background-color:var(--bg-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.loading-overlay__content{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-8);background-color:var(--surface-primary);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl)}.loading-overlay__message{font-size:var(--text-lg);font-weight:var(--font-medium);color:var(--text-primary)}.inline-loader{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--text-secondary);font-size:var(--text-sm)}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-8);text-align:center;min-height:300px}.error-state__icon{display:flex;align-items:center;justify-content:center;width:80px;height:80px;margin-bottom:var(--space-4);color:var(--color-error-500);background-color:var(--color-error-50);border-radius:var(--radius-full)}.error-state__title{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);margin-bottom:var(--space-2)}.error-state__message{font-size:var(--text-base);color:var(--text-secondary);max-width:400px;margin-bottom:var(--space-6);line-height:var(--leading-relaxed)}.error-state__retry{display:inline-flex;align-items:center;gap:var(--space-2)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-lg);transition:all var(--transition-fast);cursor:pointer;border:none}.btn:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.btn--primary{background-color:var(--interactive-primary);color:var(--text-inverse)}.btn--primary:hover{background-color:var(--interactive-primary-hover)}.btn--primary:active{background-color:var(--interactive-primary-active)}.btn--secondary{background-color:var(--interactive-secondary);color:var(--text-primary)}.btn--secondary:hover{background-color:var(--interactive-secondary-hover)}.btn--ghost{background-color:transparent;color:var(--text-secondary)}.btn--ghost:hover{background-color:var(--surface-hover);color:var(--text-primary)}.btn--danger{background-color:var(--color-error-500);color:var(--text-inverse)}.btn--danger:hover{background-color:var(--color-error-600)}.btn--sm{padding:var(--space-2) var(--space-3);font-size:var(--text-xs)}.btn--lg{padding:var(--space-4) var(--space-6);font-size:var(--text-base)}.btn:disabled{opacity:.5;cursor:not-allowed}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-4);background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%)}.auth-container{width:100%;max-width:440px;padding:var(--space-8);background-color:var(--surface-primary);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl)}.auth-header{text-align:center;margin-bottom:var(--space-8)}.auth-logo{display:inline-flex;margin-bottom:var(--space-4)}.auth-logo svg,.auth-logo img{width:80px;height:80px;-o-object-fit:contain;object-fit:contain}.auth-title{font-size:var(--text-2xl);font-weight:var(--font-bold);color:var(--text-primary);margin-bottom:var(--space-2)}.auth-subtitle{font-size:var(--text-base);color:var(--text-secondary)}.auth-form{display:flex;flex-direction:column;gap:var(--space-5)}.auth-error{padding:var(--space-3) var(--space-4);background-color:var(--color-error-50);color:var(--color-error-600);border-radius:var(--radius-lg);font-size:var(--text-sm);text-align:center}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media(max-width:480px){.form-row{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-label{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary)}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:var(--space-3);color:var(--text-tertiary);pointer-events:none}.form-input{width:100%;padding:var(--space-3) var(--space-4);padding-left:calc(var(--space-3) + 18px + var(--space-2));font-size:var(--text-base);color:var(--text-primary);background-color:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--border-focus);box-shadow:var(--shadow-focus)}.form-input::-moz-placeholder{color:var(--text-disabled)}.form-input::placeholder{color:var(--text-disabled)}.form-input--error{border-color:var(--color-error-500)}.form-input--error:focus{box-shadow:var(--shadow-focus-error)}.input-action{position:absolute;right:var(--space-3);display:flex;align-items:center;justify-content:center;padding:var(--space-1);color:var(--text-tertiary);background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:color var(--transition-fast)}.input-action:hover{color:var(--text-primary)}.form-error{font-size:var(--text-xs);color:var(--color-error-600)}.auth-submit{margin-top:var(--space-2)}.auth-footer{margin-top:var(--space-6);text-align:center;padding-top:var(--space-6);border-top:1px solid var(--border-primary)}.auth-footer p{font-size:var(--text-sm);color:var(--text-secondary)}.auth-link{font-weight:var(--font-medium);color:var(--text-link)}.auth-link:hover{color:var(--text-link-hover);text-decoration:underline}.dashboard{display:flex;flex-direction:column;flex:1;padding:1.5rem;background:var(--color-neutral-50);position:relative}@media(min-width:1024px){.dashboard{padding:1.5rem 2rem}}@media(min-width:1440px){.dashboard{padding:1.5rem 3rem}}.dashboard:before{content:"";position:absolute;top:-20%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,var(--color-primary-100) 0%,transparent 70%);opacity:.3;pointer-events:none;z-index:0}.dashboard:after{content:"";position:absolute;bottom:-15%;left:-5%;width:400px;height:400px;background:radial-gradient(circle,var(--color-success-100) 0%,transparent 70%);opacity:.25;pointer-events:none;z-index:0}.dashboard-loading,.dashboard-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 60px);gap:var(--space-4);color:var(--text-secondary)}.dashboard__header{display:flex;flex-direction:column;gap:var(--space-4);margin-bottom:var(--space-6);z-index:1}@media(min-width:768px){.dashboard__header{flex-direction:row;align-items:center;justify-content:space-between}}.dashboard__welcome{flex:1}.dashboard__title{font-size:var(--text-2xl);font-weight:var(--font-bold);color:var(--text-primary);margin:0 0 var(--space-1) 0}@media(min-width:768px){.dashboard__title{font-size:var(--text-3xl)}}.dashboard__subtitle{font-size:var(--text-base);color:var(--text-secondary);margin:0}@media(min-width:768px){.dashboard__subtitle{font-size:var(--text-lg)}}.dashboard__cta{align-self:flex-start;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-4) var(--space-6);font-size:var(--text-base);font-weight:var(--font-semibold);animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 #10b98166}50%{box-shadow:0 0 0 12px #10b98100}}@media(min-width:768px){.dashboard__cta{align-self:auto}}.dashboard__grid{flex:1;display:grid;grid-template-columns:1fr;gap:1.5rem;z-index:1}@media(min-width:768px){.dashboard__grid{grid-template-columns:1fr 1fr}}@media(min-width:1200px){.dashboard__grid{grid-template-columns:280px 1fr 280px}}@media(min-width:1440px){.dashboard__grid{grid-template-columns:320px 1fr 320px}}.dashboard__left-column{display:flex;flex-direction:column;gap:var(--space-5)}@media(min-width:768px)and (max-width:1199px){.dashboard__left-column{grid-column:1 / 2}}.dashboard__profile-card{background:#fff;border-radius:var(--radius-xl);padding:var(--space-5);border:1px solid var(--border-subtle);box-shadow:var(--shadow-enterprise);display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-3)}.dashboard__avatar{width:80px;height:80px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary-400),var(--color-primary-600));display:flex;align-items:center;justify-content:center;font-size:var(--text-3xl);font-weight:var(--font-bold);color:#fff;text-transform:uppercase}.dashboard__user-info{display:flex;flex-direction:column;gap:var(--space-1)}.dashboard__user-name{font-size:var(--text-lg);font-weight:var(--font-semibold);color:var(--text-primary);margin:0}.dashboard__user-level{display:inline-flex;align-items:center;justify-content:center;padding:var(--space-1) var(--space-3);background:var(--color-primary-50);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-primary-700)}.dashboard__daily-goal{display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-4);background:var(--bg-secondary);border-radius:var(--radius-xl);width:100%}.dashboard__goal-ring{position:relative;width:100px;height:100px}.dashboard__goal-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.dashboard__goal-ring-bg{fill:none;stroke:var(--bg-tertiary);stroke-width:10}.dashboard__goal-ring-progress{fill:none;stroke:var(--color-primary-500);stroke-width:10;stroke-linecap:round;transition:stroke-dasharray .6s ease-out}.dashboard__goal-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:var(--text-xl);font-weight:var(--font-bold);color:var(--text-primary)}.dashboard__goal-label{font-size:var(--text-sm);color:var(--text-secondary)}.dashboard__achievements{background:var(--surface-primary);border-radius:var(--radius-2xl);padding:var(--space-5);border:1px solid var(--border-primary);box-shadow:var(--shadow-sm)}.dashboard__section-title{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary);margin:0 0 var(--space-4) 0}.dashboard__badges{display:flex;flex-wrap:wrap;gap:var(--space-3)}.dashboard__badge{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-secondary);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.dashboard__badge:hover{transform:scale(1.1);box-shadow:var(--shadow-md)}.dashboard__badge--earned{background:linear-gradient(135deg,var(--color-warning-100),var(--color-warning-200));border-color:var(--color-warning-300)}.dashboard__badge-icon{font-size:24px}.dashboard__center-column{display:flex;flex-direction:column;gap:var(--space-5)}@media(min-width:768px)and (max-width:1199px){.dashboard__center-column{grid-column:2 / 3}}@media(min-width:1200px){.dashboard__center-column{grid-column:2 / 3}}.dashboard__stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}.dashboard__stat-card{background:#fff;border-radius:var(--radius-xl);padding:var(--space-4);border:1px solid 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var(--transition-fast)}.dashboard__word-practice:hover{background:var(--color-primary-100)}.dashboard__heatmap-section{grid-column:1 / -1;margin-top:var(--space-4)}.dashboard__heatmap-card{background:#fff;border-radius:var(--radius-xl);padding:var(--space-5);border:1px solid 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var(--transition-fast)}.phonemes__tab:hover{background-color:var(--surface-hover);color:var(--text-primary)}.phonemes__tab--active{background-color:var(--color-primary-500);color:#fff;border-color:var(--color-primary-500)}.phonemes__tab--active:hover{background-color:var(--color-primary-600)}.phonemes__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}@media(min-width:480px){.phonemes__grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:640px){.phonemes__grid{grid-template-columns:repeat(4,1fr)}}@media(min-width:768px){.phonemes__grid{grid-template-columns:repeat(5,1fr)}}@media(min-width:1024px){.phonemes__grid{grid-template-columns:repeat(6,1fr)}}.phonemes__no-results{text-align:center;padding:var(--space-8);color:var(--text-secondary)}.phoneme-card{position:relative;display:flex;flex-direction:column;align-items:center;padding:var(--space-4);text-align:center;cursor:pointer}.phoneme-card__symbol{font-size:var(--text-3xl);font-weight:var(--font-bold);color:var(--color-primary-600);margin-bottom:var(--space-2);font-family:var(--font-family-mono)}.phoneme-card__info{display:flex;flex-direction:column;gap:var(--space-1)}.phoneme-card__arpabet{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--text-primary);font-family:var(--font-family-mono)}.phoneme-card__example{font-size:var(--text-xs);color:var(--text-tertiary)}.phoneme-card__action{position:absolute;top:var(--space-2);right:var(--space-2);display:flex;align-items:center;justify-content:center;padding:var(--space-1);color:var(--text-tertiary);background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast)}.phoneme-card:hover .phoneme-card__action{opacity:1}.phoneme-card__action:hover{color:var(--text-primary)}.phoneme-detail__header{display:flex;align-items:center;gap:var(--space-4);margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid var(--border-primary)}.phoneme-detail__symbol{font-size:var(--text-5xl);font-weight:var(--font-bold);color:var(--color-primary-600);font-family:var(--font-family-mono)}.phoneme-detail__meta{display:flex;flex-direction:column;gap:var(--space-1)}.phoneme-detail__arpabet{font-size:var(--text-xl);font-weight:var(--font-semibold);color:var(--text-primary);font-family:var(--font-family-mono)}.phoneme-detail__category{font-size:var(--text-sm);color:var(--text-secondary);text-transform:capitalize}.phoneme-detail__section{margin-bottom:var(--space-4)}.phoneme-detail__section 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var(--space-3);font-size:var(--text-sm);font-weight:var(--font-medium);border-radius:var(--radius-full)}.profile__status--active{background:var(--color-success-50);color:var(--color-success-700)}.profile__status--inactive{background:var(--color-error-50);color:var(--color-error-700)}:root{--color-primary-50: #ecfdf5;--color-primary-100: #d1fae5;--color-primary-200: #a7f3d0;--color-primary-300: #6ee7b7;--color-primary-400: #34d399;--color-primary-500: #047857;--color-primary-600: #065f46;--color-primary-700: #064e3b;--color-primary-800: #053f31;--color-primary-900: #042f24;--color-neutral-50: #f8fafc;--color-neutral-100: #f1f5f9;--color-neutral-200: #e2e8f0;--color-neutral-300: #cbd5e1;--color-neutral-400: #94a3b8;--color-neutral-500: #64748b;--color-neutral-600: #475569;--color-neutral-700: #334155;--color-neutral-800: #1e293b;--color-neutral-900: #0f172a;--color-success-50: #f0fdf4;--color-success-100: #dcfce7;--color-success-200: #bbf7d0;--color-success-300: 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var(--color-neutral-500);--text-disabled: var(--color-neutral-400);--text-inverse: #ffffff;--text-link: var(--color-primary-600);--text-link-hover: var(--color-primary-700);--border-primary: var(--color-neutral-200);--border-secondary: var(--color-neutral-300);--border-focus: var(--color-primary-500);--border-error: var(--color-error-500);--interactive-primary: var(--color-primary-500);--interactive-primary-hover: var(--color-primary-600);--interactive-primary-active: var(--color-primary-700);--interactive-secondary: var(--color-neutral-200);--interactive-secondary-hover: var(--color-neutral-300);--font-family-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem;--text-5xl: 3rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.625;--tracking-tight: -.025em;--tracking-normal: 0;--tracking-wide: .025em;--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;--size-icon-sm: 1rem;--size-icon-md: 1.25rem;--size-icon-lg: 1.5rem;--size-icon-xl: 2rem;--size-button-sm: 2rem;--size-button-md: 2.5rem;--size-button-lg: 3rem;--radius-none: 0;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 8px 10px -6px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, .05);--shadow-focus: 0 0 0 3px rgba(20, 184, 166, .4);--shadow-focus-error: 0 0 0 3px rgba(239, 68, 68, .4);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-popover: 600;--z-tooltip: 700;--z-toast: 800;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--transition-slower: .5s ease;--breakpoint-sm: 640px;--breakpoint-md: 768px;--breakpoint-lg: 1024px;--breakpoint-xl: 1280px;--breakpoint-2xl: 1536px}@media(max-width:768px){:root{--text-4xl: 2rem;--text-5xl: 2.5rem;--space-16: 3rem;--space-20: 4rem}}:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: var(--color-neutral-50);--bg-tertiary: var(--color-neutral-100);--bg-inverse: var(--color-neutral-900);--bg-overlay: rgba(0, 0, 0, .5);--surface-primary: #ffffff;--surface-elevated: #ffffff;--surface-hover: var(--color-neutral-50);--surface-active: var(--color-neutral-100);--text-primary: var(--color-neutral-900);--text-secondary: var(--color-neutral-600);--text-tertiary: var(--color-neutral-500);--text-disabled: var(--color-neutral-400);--text-inverse: #ffffff;--text-link: var(--color-primary-600);--text-link-hover: var(--color-primary-700);--border-primary: var(--color-neutral-200);--border-secondary: var(--color-neutral-300);--border-focus: var(--color-primary-500);--shadow-color: rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: var(--color-neutral-900);--bg-secondary: var(--color-neutral-800);--bg-tertiary: var(--color-neutral-700);--bg-inverse: var(--color-neutral-50);--bg-overlay: rgba(0, 0, 0, .7);--surface-primary: var(--color-neutral-800);--surface-elevated: var(--color-neutral-700);--surface-hover: var(--color-neutral-700);--surface-active: var(--color-neutral-600);--text-primary: var(--color-neutral-50);--text-secondary: var(--color-neutral-300);--text-tertiary: var(--color-neutral-400);--text-disabled: var(--color-neutral-500);--text-inverse: var(--color-neutral-900);--text-link: var(--color-primary-400);--text-link-hover: var(--color-primary-300);--border-primary: var(--color-neutral-700);--border-secondary: var(--color-neutral-600);--shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .4), 0 1px 2px -1px rgba(0, 0, 0, .4);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4), 0 4px 6px -4px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .5), 0 8px 10px -6px rgba(0, 0, 0, .5)}:root{color-scheme:light}[data-theme=dark]{color-scheme:dark}html.theme-transition,html.theme-transition *,html.theme-transition *:before,html.theme-transition *:after{transition:background-color var(--transition-slow),border-color var(--transition-slow),color var(--transition-slow),fill var(--transition-slow),stroke var(--transition-slow)!important}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes scaleOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.95)}}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes slideOutRight{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-100%)}to{opacity:1;transform:translate(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes pulseRing{0%{transform:scale(1);opacity:1}to{transform:scale(1.5);opacity:0}}@keyframes bounce{0%,to{transform:translateY(0);animation-timing-function:cubic-bezier(.8,0,1,1)}50%{transform:translateY(-25%);animation-timing-function:cubic-bezier(0,0,.2,1)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-4px)}20%,40%,60%,80%{transform:translate(4px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes waveform{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1)}}@keyframes toastSlideIn{0%{opacity:0;transform:translateY(-100%) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes toastSlideOut{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-100%) scale(.95)}}.animate-fadeIn{animation:fadeIn var(--transition-base) ease-out forwards}.animate-fadeInUp{animation:fadeInUp var(--transition-slow) ease-out forwards}.animate-fadeInDown{animation:fadeInDown var(--transition-slow) ease-out forwards}.animate-scaleIn{animation:scaleIn var(--transition-base) ease-out forwards}.animate-slideInRight{animation:slideInRight var(--transition-slow) ease-out forwards}.animate-slideInLeft{animation:slideInLeft var(--transition-slow) ease-out forwards}.animate-spin{animation:spin 1s linear infinite}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}.animate-bounce{animation:bounce 1s infinite}.animate-shake{animation:shake .5s ease-in-out}:root{--perspective-sm: 500px;--perspective-md: 1000px;--perspective-lg: 2000px;--rotate-subtle: 2deg;--rotate-moderate: 5deg;--rotate-dramatic: 12deg}.perspective-container{perspective:var(--perspective-md)}.transform-3d{transform-style:preserve-3d}.card-3d{transition:transform var(--transition-slow),box-shadow var(--transition-slow);transform-style:preserve-3d}.card-3d:hover{transform:translateY(-4px) rotateX(var(--rotate-subtle)) rotateY(var(--rotate-subtle));box-shadow:var(--shadow-xl)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.hover-lift{transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.hover-lift:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.hover-scale{transition:transform var(--transition-fast)}.hover-scale:hover{transform:scale(1.02)}.hover-scale:active{transform:scale(.98)}.focus-ring:focus-visible{outline:none;box-shadow:var(--shadow-focus)}.focus-ring-error:focus-visible{outline:none;box-shadow:var(--shadow-focus-error)}.skeleton{background:linear-gradient(90deg,var(--color-neutral-200) 0%,var(--color-neutral-100) 50%,var(--color-neutral-200) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.skeleton-text{height:1em;margin-bottom:.5em}.skeleton-circle{border-radius:var(--radius-full)}.page-enter{opacity:0;transform:translateY(8px)}.page-enter-active{opacity:1;transform:translateY(0);transition:opacity var(--transition-slow),transform var(--transition-slow)}.page-exit{opacity:1}.page-exit-active{opacity:0;transition:opacity var(--transition-fast)}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4}html,body,#root{height:100%;overflow-x:hidden}body{font-family:var(--font-family-sans);font-size:var(--text-base);line-height:var(--leading-normal);color:var(--text-primary);background-color:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none}a{color:var(--text-link);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--text-link-hover)}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}h1,h2,h3,h4,h5,h6{font-weight:var(--font-semibold);line-height:var(--leading-tight);color:var(--text-primary)}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-2xl)}h4{font-size:var(--text-xl)}h5{font-size:var(--text-lg)}h6{font-size:var(--text-base)}ul,ol{list-style:none;padding:0}:focus{outline:none}:focus-visible{outline:2px solid var(--border-focus);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:0}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--space-4)}@media(min-width:640px){.container{padding:0 var(--space-6)}}@media(min-width:1024px){.container{padding:0 var(--space-8)}}.app-layout{display:flex;flex-direction:column;min-height:100vh;max-height:100vh;overflow:hidden}.app-main{flex:1;overflow-y:auto;overflow-x:hidden}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.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)}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,1fr)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.grid-cols-4{grid-template-columns:repeat(4,1fr)}@media(min-width:640px){.sm\:grid-cols-2{grid-template-columns:repeat(2,1fr)}}@media(min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,1fr)}.md\:grid-cols-3{grid-template-columns:repeat(3,1fr)}}@media(min-width:1024px){.lg\:grid-cols-3{grid-template-columns:repeat(3,1fr)}.lg\:grid-cols-4{grid-template-columns:repeat(4,1fr)}}.text-left{text-align:left}.text-center{text-align:center}.text-right{text-align:right}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-success{color:var(--color-success-600)}.text-warning{color:var(--color-warning-600)}.text-error{color:var(--color-error-600)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-surface{background-color:var(--surface-primary)}.m-0{margin:0}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.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)}.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-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)}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}.rounded{border-radius:var(--radius-md)}.rounded-lg{border-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-xl)}.rounded-full{border-radius:var(--radius-full)}.shadow-sm{box-shadow:var(--shadow-sm)}.shadow{box-shadow:var(--shadow-md)}.shadow-lg{box-shadow:var(--shadow-lg)}.shadow-xl{box-shadow:var(--shadow-xl)}