@import"https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;700&family=Manrope:wght@400;600&family=JetBrains+Mono:wght@400;500&display=swap";:root{--alx-green-900: #0a3d2a;--alx-green-800: #075d43;--alx-green-700: #0b7a53;--alx-green-600: #139766;--alx-green-500: #22b573;--alx-green-300: #8fd3ad;--alx-green-200: #bce7cc;--alx-green-100: #ddf3e5;--alx-green-50: #eff9f2;--alx-lime-leaf: #cfea87;--alx-teal-900: #134e4a;--alx-teal-800: #115e59;--alx-teal-700: #0f766e;--alx-teal-600: #0d9488;--alx-teal-100: #ccfbf1;--alx-brand-teal: #2dd4bf;--alx-canvas: #eef6f0;--alx-surface-raised: #f7fbf8;--alx-surface-pressed: #d7ebdd;--alx-border-soft: rgba(44, 98, 72, .16);--alx-highlight-white: rgba(255, 255, 255, .88);--alx-surface: #fbfdfb;--alx-surface-dim: var(--alx-surface-pressed);--alx-surface-bright: #fbfdfb;--alx-surface-lowest: #fbfdfb;--alx-surface-low: #e2f1e6;--alx-surface-container: var(--alx-green-100);--alx-surface-high: var(--alx-green-200);--alx-surface-highest: var(--alx-green-300);--alx-on-surface: #153227;--alx-on-surface-variant: #587066;--alx-outline: #789087;--alx-outline-variant: var(--alx-green-200);--alx-primary: var(--alx-teal-700);--alx-on-primary: #ffffff;--alx-primary-container: var(--alx-teal-100);--alx-on-primary-container: var(--alx-teal-900);--alx-primary-strong: var(--alx-teal-800);--alx-secondary: var(--alx-green-600);--alx-on-secondary: #ffffff;--alx-secondary-container: var(--alx-green-100);--alx-on-secondary-container: var(--alx-green-800);--alx-tertiary: var(--alx-green-700);--alx-on-tertiary: #ffffff;--alx-tertiary-container: #d8eea0;--alx-on-tertiary-container: var(--alx-green-900);--alx-error: #ba1a1a;--alx-on-error: #ffffff;--alx-error-container: #ffdad6;--alx-on-error-container: #410002;--alx-warning: #b25e09;--alx-on-warning: #ffffff;--alx-warning-container: #ffddb3;--alx-on-warning-container: #3a2200;--alx-success: #146c2e;--alx-on-success: #ffffff;--alx-success-container: #b8f0c4;--alx-on-success-container: #04210f;--alx-background: var(--alx-canvas);--alx-on-background: #153227;--alx-inverse-surface: var(--alx-green-900);--alx-inverse-on-surface: #ffffff;--alx-skill-reading: #4d83a5;--alx-skill-reading-container: #e4f0f5;--alx-skill-grammar: #7764a5;--alx-skill-grammar-container: #eee9f7;--alx-skill-vocabulary: #a77a32;--alx-skill-vocabulary-container: #fff0d5;--alx-skill-writing: #b86868;--alx-skill-writing-container: #f8e6e4;--alx-radius-sm: .5rem;--alx-radius-md: .75rem;--alx-radius-lg: 1rem;--alx-radius-xl: 1.5rem;--alx-radius-2xl: 1.75rem;--alx-radius-3xl: 2.25rem;--alx-radius-full: 9999px;--alx-space-1: 4px;--alx-space-2: 8px;--alx-space-3: 12px;--alx-space-4: 16px;--alx-space-5: 20px;--alx-space-6: 24px;--alx-space-8: 32px;--alx-space-10: 40px;--alx-space-12: 48px;--alx-space-16: 64px;--alx-control-height-sm: 44px;--alx-control-height-md: 48px;--alx-control-height-lg: 52px;--alx-font-family: "Be Vietnam Pro", Inter, ui-sans-serif, system-ui, sans-serif;--alx-text-display-lg: 2rem;--alx-text-display: 1.5rem;--alx-text-section: 1.125rem;--alx-text-card: 1rem;--alx-text-body: .875rem;--alx-text-support: .8125rem;--alx-text-label: .75rem;--alx-weight-regular: 400;--alx-weight-medium: 500;--alx-weight-semibold: 600;--alx-weight-bold: 700;--alx-leading-tight: 1.15;--alx-leading-snug: 1.35;--alx-leading-normal: 1.5;--alx-z-base: 1;--alx-z-dropdown: 20;--alx-z-sticky: 50;--alx-z-overlay: 60;--alx-z-drawer: 199;--alx-z-modal: 200;--alx-z-toast: 9999;--alx-shadow-clay-1: inset 0 1.5px 0 rgba(255, 255, 255, .95), inset 0 -1.5px 2px rgba(20, 91, 57, .05), 0 4px 10px rgba(20, 91, 57, .11), 0 16px 32px rgba(20, 91, 57, .1);--alx-shadow-clay-2: inset 0 1.5px 0 rgba(255, 255, 255, .96), inset 0 -1.5px 2px rgba(20, 91, 57, .06), 0 8px 18px rgba(20, 91, 57, .15), 0 24px 46px rgba(20, 91, 57, .14);--alx-shadow-clay-pressed: inset 0 4px 10px rgba(20, 91, 57, .18), inset 0 -1px 0 rgba(255, 255, 255, .75);--alx-shadow-clay-3: inset 0 1.5px 0 rgba(255, 255, 255, .96), 0 14px 28px rgba(20, 91, 57, .18), 0 32px 64px rgba(20, 91, 57, .16);--alx-shadow-clay-icon: inset 0 1px 0 rgba(255, 255, 255, .75), 0 2px 6px rgba(20, 91, 57, .16);--alx-focus-ring-color: var(--alx-primary);--alx-focus-ring-width: 3px;--alx-focus-ring-offset: 2px;--alx-ease: cubic-bezier(.2, .7, .3, 1);--alx-ease-clay: cubic-bezier(.22, 1, .36, 1);--alx-duration-fast: .14s;--alx-duration-base: .22s;--alx-duration-slow: .42s}:focus-visible{outline:var(--alx-focus-ring-width) solid var(--alx-focus-ring-color);outline-offset:var(--alx-focus-ring-offset)}::selection{background:var(--alx-primary-container);color:var(--alx-on-primary-container)}@media(prefers-reduced-motion:reduce){[class*=alx-],[class*=alx-]:before,[class*=alx-]:after{animation-duration:.01ms;animation-iteration-count:1;transition-duration:.01ms;scroll-behavior:auto}}.idiomas-shell{position:relative;height:100vh;display:flex;flex-direction:column;padding:0;font-family:var(--alx-font-family);color:var(--alx-on-surface);background:var(--alx-background);min-height:100%}.idiomas-shell *{box-sizing:border-box}.idiomas-shell button{font-family:inherit;cursor:pointer}.idiomas-shell img{pointer-events:auto}.idiomas-shell a{text-decoration:none}.idiomas-shell a:not(.alx-btn){color:inherit}.plan-card .alx-btn{margin-top:10px}.alx-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--alx-control-height-sm);border:none;border-radius:var(--alx-radius-lg);padding:12px 24px;font-weight:600;font-size:14px;letter-spacing:.02em;transition:background-color var(--alx-duration-fast) var(--alx-ease-clay),color var(--alx-duration-fast) var(--alx-ease-clay),box-shadow var(--alx-duration-fast) var(--alx-ease-clay),transform var(--alx-duration-fast) var(--alx-ease-clay)}.alx-btn:disabled{opacity:.5;box-shadow:none;cursor:not-allowed}.alx-btn--primary,.alx-btn--danger{box-shadow:inset 0 1px #ffffff40,0 2px 6px #0b7a5333}.alx-btn--primary:disabled,.alx-btn--danger:disabled{box-shadow:none}.alx-btn--primary:not(:disabled):active,.alx-btn--danger:not(:disabled):active{box-shadow:var(--alx-shadow-clay-pressed);transform:translateY(1px)}.alx-btn--primary{background:var(--alx-primary);color:var(--alx-on-primary)}.alx-btn--primary:hover:not(:disabled){background:var(--alx-primary-strong)}.alx-btn--secondary{background:var(--alx-surface-raised);color:var(--alx-primary-strong);border:1px solid var(--alx-border-soft)}.alx-btn--secondary:hover:not(:disabled){background:var(--alx-surface-high)}.alx-btn--secondary:not(:disabled):active{background:var(--alx-surface-pressed);transform:translateY(1px)}.alx-btn--secondary:disabled{color:var(--alx-on-surface-variant);border-color:var(--alx-outline-variant)}.alx-btn--ghost{background:transparent;color:var(--alx-primary);border:1px solid transparent;padding:10px 16px;min-height:auto}.alx-btn--ghost:hover:not(:disabled){background:var(--alx-green-50)}.alx-btn--ghost:disabled{color:var(--alx-on-surface-variant)}.alx-back-btn{display:inline-flex;align-items:center;gap:4px;align-self:flex-start;background:var(--alx-surface-lowest);border:none;border-radius:var(--alx-radius-full);padding:8px 16px 8px 12px;font-size:13px;font-weight:600;color:var(--alx-on-surface-variant);cursor:pointer;box-shadow:var(--alx-shadow-clay-icon);transition:color var(--alx-duration-fast) var(--alx-ease-clay),box-shadow var(--alx-duration-fast) var(--alx-ease-clay),transform var(--alx-duration-fast) var(--alx-ease-clay)}.alx-back-btn:hover{color:var(--alx-primary);box-shadow:var(--alx-shadow-clay-1);transform:translateY(-1px)}.alx-back-btn:active{box-shadow:var(--alx-shadow-clay-pressed);transform:translateY(0)}.alx-card{background:var(--alx-surface-lowest);border:1px solid color-mix(in srgb,var(--alx-border-soft) 60%,transparent);border-radius:var(--alx-radius-xl);box-shadow:var(--alx-shadow-clay-1);transition:box-shadow var(--alx-duration-base) var(--alx-ease),transform var(--alx-duration-base) var(--alx-ease)}.alx-card--soft{background:var(--alx-surface-low);box-shadow:none}.alx-card--accent{background:var(--alx-primary-container);color:var(--alx-on-primary-container);border-color:transparent}.alx-card--interactive{cursor:pointer}.alx-card--interactive:hover{box-shadow:var(--alx-shadow-clay-2);transform:translateY(-3px)}.alx-card--interactive:active{box-shadow:var(--alx-shadow-clay-pressed);transform:translateY(0)}.alx-field{display:flex;flex-direction:column;gap:6px}.alx-field-label{font-size:var(--alx-text-label);font-weight:var(--alx-weight-semibold);color:var(--alx-on-surface-variant)}.alx-input{min-height:var(--alx-control-height-sm);padding:0 var(--alx-space-4);border-radius:var(--alx-radius-lg);border:1px solid var(--alx-border-soft);background:var(--alx-surface-lowest);color:var(--alx-on-surface);font-family:inherit;font-size:var(--alx-text-body);transition:border-color var(--alx-duration-fast) var(--alx-ease-clay),box-shadow var(--alx-duration-fast) var(--alx-ease-clay)}.alx-input::placeholder{color:var(--alx-on-surface-variant);opacity:.7}.alx-input:focus-visible{outline:none;border-color:var(--alx-focus-ring-color);box-shadow:0 0 0 var(--alx-focus-ring-width) color-mix(in srgb,var(--alx-focus-ring-color) 25%,transparent)}.alx-input:disabled{background:var(--alx-surface-low);color:var(--alx-on-surface-variant);cursor:not-allowed}.alx-field--error .alx-input{border-color:var(--alx-error)}.alx-field-error{font-size:var(--alx-text-support);color:var(--alx-error)}.alx-tabular{font-variant-numeric:tabular-nums;letter-spacing:-.01em}.alx-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:var(--alx-radius-full);font-size:12px;font-weight:600;letter-spacing:.02em}.alx-chip--teal{background:var(--alx-secondary-container);color:var(--alx-on-secondary-container)}.alx-chip--neutral{background:var(--alx-surface-high);color:var(--alx-on-surface-variant)}.alx-chip--primary{background:var(--alx-primary-container);color:var(--alx-on-primary-container)}.alx-chip--warning{background:var(--alx-warning-container);color:var(--alx-on-warning-container)}.alx-chip--error{background:var(--alx-error-container);color:var(--alx-on-error-container)}.alx-chip--success{background:var(--alx-success-container);color:var(--alx-on-success-container)}.alx-eyebrow{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--alx-primary)}.alx-eyebrow-row{display:flex;align-items:center;gap:10px}.alx-eyebrow-icon{width:36px;height:36px;padding:5px;border-radius:50%;object-fit:contain;background:var(--alx-secondary-container);box-shadow:var(--alx-shadow-clay-icon);flex:0 0 auto}.alx-app-frame{flex:1 1 auto;min-height:0;display:flex;width:100%;background:var(--alx-surface);border:none;border-radius:0;box-shadow:none;overflow:hidden}.alx-sidebar{flex:0 0 224px;display:flex;flex-direction:column;gap:var(--alx-space-4);padding:var(--alx-space-4) var(--alx-space-3);background:linear-gradient(180deg,color-mix(in srgb,var(--alx-green-900) 80%,black),#000);box-shadow:inset -1px 0 color-mix(in srgb,white 8%,transparent);overflow-y:auto}.alx-sidebar-top{display:flex;flex-direction:column;padding:var(--alx-space-2) 0 var(--alx-space-3);border-bottom:1px solid color-mix(in srgb,white 12%,transparent)}.alx-brand{display:flex;align-items:center;gap:11px;background:none;border:none;padding:var(--alx-space-2);border-radius:var(--alx-radius-lg);width:100%}.alx-brand:hover{background:color-mix(in srgb,white 14%,transparent)}.alx-brand-logo{height:42px;width:42px;object-fit:contain;flex:0 0 auto;border-radius:13px;box-shadow:0 0 0 4px color-mix(in srgb,white 10%,transparent),0 6px 14px color-mix(in srgb,var(--alx-green-900) 38%,transparent),0 1px color-mix(in srgb,var(--alx-green-900) 12%,transparent)}.alx-brand:hover .alx-brand-logo{box-shadow:0 0 0 4px color-mix(in srgb,white 16%,transparent),0 8px 18px color-mix(in srgb,var(--alx-green-900) 42%,transparent),0 1px color-mix(in srgb,var(--alx-green-900) 12%,transparent),inset 0 1px #ffffffe6}.alx-brand-name{font-size:20px;font-weight:700;color:var(--alx-on-primary);letter-spacing:-.015em;white-space:nowrap}.alx-brand-name-accent{font-size:1.25em;font-weight:800;color:var(--alx-brand-teal)}.alx-sidebar-nav{display:flex;flex-direction:column;gap:4px}.alx-sidebar-nav-item{position:relative;display:flex;align-items:center;gap:11px;width:100%;padding:9px 12px 9px 9px;border-radius:16px;background:transparent;border:none;font-size:14px;font-weight:600;color:color-mix(in srgb,var(--alx-on-primary) 82%,transparent);text-align:left;transition:background-color var(--alx-duration-fast) var(--alx-ease-clay),color var(--alx-duration-fast) var(--alx-ease-clay),box-shadow var(--alx-duration-fast) var(--alx-ease-clay),transform var(--alx-duration-fast) var(--alx-ease-clay)}.alx-sidebar-nav-item svg{flex:0 0 auto;width:30px;height:30px;padding:6px;border-radius:11px;background:color-mix(in srgb,white 10%,transparent);box-shadow:inset 0 1px #ffffff4d,inset 0 -1px 1px #0000002e;transition:background-color var(--alx-duration-fast) var(--alx-ease-clay)}.alx-sidebar-nav-item:hover{background:color-mix(in srgb,white 12%,transparent);color:var(--alx-on-primary)}.alx-sidebar-nav-item:hover svg{background:color-mix(in srgb,white 20%,transparent)}.alx-sidebar-nav-item:active{transform:translateY(1px)}.alx-sidebar-nav-item--active{background:var(--alx-surface-raised);color:var(--alx-primary-strong);box-shadow:var(--alx-shadow-clay-1)}.alx-sidebar-nav-item--active svg{background:color-mix(in srgb,var(--alx-primary) 14%,transparent);box-shadow:var(--alx-shadow-clay-icon)}.alx-sidebar-nav-item--active:before{content:"";position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:999px;background:var(--alx-on-primary)}.alx-sidebar-footer{margin-top:auto;padding-top:var(--alx-space-4);border-top:1px solid color-mix(in srgb,white 12%,transparent)}.alx-user--button{width:100%;border:1px solid color-mix(in srgb,white 10%,transparent);background:color-mix(in srgb,white 6%,transparent);border-radius:var(--alx-radius-lg);padding:8px 10px}.alx-user--button:hover{background:color-mix(in srgb,white 12%,transparent)}.alx-sidebar .alx-user-name{color:var(--alx-on-primary)}.alx-user-menu-icon{margin-left:auto;flex-shrink:0;color:color-mix(in srgb,white 55%,transparent)}.alx-shell-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.alx-shell-topbar{position:relative;z-index:50;flex:0 0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 var(--alx-space-6);border-bottom:1px solid var(--alx-border-soft);background:var(--alx-surface-lowest);box-shadow:inset 0 1.5px #ffffffe6,0 6px 16px #145b3912,0 2px 4px #145b390d}.alx-shell-topbar-left{display:flex;align-items:center;gap:10px;min-width:0}.alx-shell-title{font-size:17px;font-weight:700;color:var(--alx-on-surface);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.alx-shell-topbar-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}.alx-shell-brand-mobile{display:none;align-items:center}.alx-shell-brand-mobile .alx-brand-logo{height:28px;width:28px;padding:0;background:none;box-shadow:none;border-radius:0}.alx-icon-btn{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--alx-radius-full);background:transparent;border:none;color:var(--alx-on-surface-variant)}.alx-icon-btn:hover{background:var(--alx-surface-high)}.alx-icon-btn--sm{width:32px;height:32px}.alx-icon-btn--recording{background:var(--alx-error-container);color:var(--alx-error)}.alx-icon-btn--recording:hover{background:var(--alx-error-container)}.alx-shell-topbar .alx-icon-btn{background:var(--alx-surface-lowest);box-shadow:var(--alx-shadow-clay-icon);transition:box-shadow var(--alx-duration-fast) var(--alx-ease-clay),transform var(--alx-duration-fast) var(--alx-ease-clay),color var(--alx-duration-fast) var(--alx-ease-clay)}.alx-shell-topbar .alx-icon-btn:hover{background:var(--alx-surface-lowest);color:var(--alx-on-surface);box-shadow:inset 0 1px #ffffffd9,0 4px 10px #145b3929,0 9px 20px #145b391a;transform:translateY(-1px)}.alx-shell-topbar .alx-icon-btn:active{color:var(--alx-on-surface);box-shadow:var(--alx-shadow-clay-pressed);transform:translateY(0)}.alx-shell-topbar .alx-icon-btn:focus-visible{outline:3px solid var(--alx-primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){.alx-shell-topbar .alx-icon-btn{transition:none}.alx-shell-topbar .alx-icon-btn:hover,.alx-shell-topbar .alx-icon-btn:active{transform:none}}.alx-user{display:flex;align-items:center;gap:8px}.alx-user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;background:var(--alx-primary-container);box-shadow:inset 0 1px #ffffff4d,inset 0 -1px 1px #0000002e}.alx-user-avatar--initials{display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--alx-on-primary-container)}.alx-user-info{display:flex;flex-direction:column;gap:2px}.alx-user-name{font-size:14px;font-weight:600;color:var(--alx-on-surface)}.alx-user-plan-chip{align-self:flex-start;padding:1px 8px;font-size:10px}.alx-lang{position:relative}.alx-lang-flag{font-size:18px;line-height:1}.alx-flag{display:inline-block;width:auto;height:1.15em;border-radius:2px;vertical-align:middle;box-shadow:0 0 0 1px color-mix(in srgb,currentColor 14%,transparent)}.alx-stat-icon .alx-flag{width:24px;height:auto;box-shadow:none}.alx-ob-option-emoji .alx-flag{width:26px;height:auto}.alx-lang-pill .alx-flag{height:1.05em}.alx-lang-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:998}.alx-lang-menu{position:absolute;top:calc(100% + 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var(--alx-ease-clay)}.alx-cat-tile:not(:disabled):active{transform:translateY(-1px) scale(.985)}.alx-cat-tile:focus-visible{outline:3px solid var(--alx-primary);outline-offset:3px}.alx-cat-tile:not(:disabled):hover .alx-cat-tile-icon{transform:scale(1.08) rotate(-4deg)}.alx-cat-grid .alx-cat-tile{animation:alx-kpi-enter .45s var(--alx-ease-clay) both}.alx-cat-grid .alx-cat-tile:nth-child(1){animation-delay:30ms}.alx-cat-grid .alx-cat-tile:nth-child(2){animation-delay:60ms}.alx-cat-grid .alx-cat-tile:nth-child(3){animation-delay:90ms}.alx-cat-grid .alx-cat-tile:nth-child(4){animation-delay:.12s}.alx-cat-grid .alx-cat-tile:nth-child(n+5){animation-delay:.15s}@media(prefers-reduced-motion:reduce){.alx-cat-grid .alx-cat-tile{animation:none}.alx-cat-tile:not(:disabled):hover .alx-cat-tile-icon{transform:none}}.alx-lessons-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.alx-lessons-note{padding:16px 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40%,transparent)}.alx-lesson-item--passed .alx-lesson-node{background:var(--alx-success);color:var(--alx-on-success)}.alx-lesson-item--passed .alx-lesson-stop{background:var(--alx-success-container);border-color:transparent}.alx-lesson-item--passed .alx-lesson-stop:before{background:color-mix(in srgb,var(--alx-success) 50%,transparent)}.alx-lesson-item--available .alx-lesson-node{background:var(--alx-primary);color:var(--alx-on-primary);animation:alx-lesson-pulse 2.6s var(--alx-ease) infinite}.alx-lesson-item--available .alx-lesson-stop{border-color:color-mix(in srgb,var(--alx-primary) 42%,transparent);box-shadow:0 0 0 3px color-mix(in srgb,var(--alx-primary) 13%,transparent),var(--alx-shadow-clay-2)}@keyframes alx-lesson-pulse{0%{box-shadow:var(--alx-shadow-clay-icon),0 0 color-mix(in srgb,var(--alx-primary) 42%,transparent)}70%,to{box-shadow:var(--alx-shadow-clay-icon),0 0 0 13px color-mix(in srgb,var(--alx-primary) 0%,transparent)}}.alx-lesson-item--clickable{cursor:pointer}.alx-lesson-item--clickable:hover .alx-lesson-stop{transform:translateY(-3px);box-shadow:var(--alx-shadow-clay-2)}.alx-lesson-item--available.alx-lesson-item--clickable:hover .alx-lesson-stop{box-shadow:0 0 0 3px color-mix(in srgb,var(--alx-primary) 20%,transparent),var(--alx-shadow-clay-2)}.alx-lesson-item--clickable:hover .alx-lesson-node{transform:scale(1.07)}.alx-lesson-item--clickable:active .alx-lesson-stop{transform:translateY(0) scale(.99)}.alx-lesson-item--clickable:focus-visible{outline:none}.alx-lesson-item--clickable:focus-visible .alx-lesson-stop{outline:3px solid var(--alx-primary);outline-offset:3px}.alx-lesson-item--clickable:hover .alx-lesson-title strong{color:var(--alx-primary-strong)}@media(prefers-reduced-motion:reduce){.alx-lesson-item,.alx-lesson-item--available .alx-lesson-node{animation:none}.alx-lesson-item--clickable:hover .alx-lesson-stop,.alx-lesson-item--clickable:active .alx-lesson-stop,.alx-lesson-item--clickable:hover .alx-lesson-node{transform:none}}.alx-lesson-list--a1{--level-color: #18845e;--level-bg: #e0f3e9}.alx-lesson-list--a2{--level-color: #367f9d;--level-bg: #e5f1f5}.alx-lesson-list--b1{--level-color: #a4772f;--level-bg: #fff0d5}.alx-lesson-list--b2{--level-color: #7561a3;--level-bg: #eee9f7}.alx-lesson-list--c1{--level-color: #4165a0;--level-bg: #e8eef9}.alx-lesson-list--a1:before,.alx-lesson-list--a2:before,.alx-lesson-list--b1:before,.alx-lesson-list--b2:before,.alx-lesson-list--c1:before{background:repeating-linear-gradient(color-mix(in srgb,var(--level-color) 42%,transparent) 0 7px,transparent 7px 15px)}.alx-lesson-list--a1 .alx-lesson-item--locked .alx-lesson-node,.alx-lesson-list--a2 .alx-lesson-item--locked .alx-lesson-node,.alx-lesson-list--b1 .alx-lesson-item--locked .alx-lesson-node,.alx-lesson-list--b2 .alx-lesson-item--locked .alx-lesson-node,.alx-lesson-list--c1 .alx-lesson-item--locked 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auto}.alx-lesson-side-title{display:block;font-size:15px;color:var(--alx-on-surface);margin-top:2px}.alx-lesson-segments{display:flex;gap:6px}.alx-seg{flex:1 1 0;height:6px;border-radius:var(--alx-radius-full);background:var(--alx-surface-high)}.alx-seg--done{background:var(--alx-primary)}.alx-lesson-mascot{width:100%;max-width:220px;height:auto;margin:0 auto;object-fit:contain}.alx-lesson-quote{padding:16px 20px;font-size:13px;font-style:italic;color:var(--alx-on-surface-variant);text-align:center}.alx-lesson-card{padding:28px;display:flex;flex-direction:column;gap:20px}.alx-lesson-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.alx-lesson-progress{height:6px;border-radius:var(--alx-radius-full);background:var(--alx-surface-high);overflow:hidden}.alx-lesson-progress span{display:block;height:100%;background:var(--alx-primary)}.alx-passage{background:var(--alx-surface-low);border-radius:var(--alx-radius-md);padding:14px 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infinite}.alx-guided-complete{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.alx-lesson-question{font-size:20px;font-weight:600;color:var(--alx-on-surface);margin:0}.alx-lesson-options{display:flex;flex-wrap:wrap;gap:10px}.alx-option{display:flex;align-items:center;gap:8px;padding:12px 18px;border-radius:var(--alx-radius-lg);background:var(--alx-surface-lowest);border:1.5px solid var(--alx-border-soft);font-size:14px;color:var(--alx-on-surface);transition:border-color var(--alx-duration-fast) var(--alx-ease-clay),background-color var(--alx-duration-fast) var(--alx-ease-clay)}.alx-option:hover{border-color:var(--alx-primary)}.alx-option--selected{border-color:var(--alx-primary);background:var(--alx-secondary-container);color:var(--alx-on-secondary-container)}.alx-table tr.alx-table-row--clickable{cursor:pointer}.alx-table tr.alx-table-row--clickable:hover{background:var(--alx-surface-low)}.alx-table tr.alx-table-row--selected{background:var(--alx-secondary-container)}.alx-table tr.alx-table-row--selected td{color:var(--alx-on-secondary-container)}.alx-option-letter{display:flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--alx-surface-high);font-size:11px;font-weight:700;flex:0 0 auto}.alx-lesson-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:12px;border-top:1px solid var(--alx-border-soft)}.alx-lesson-foot-count{font-size:12px;color:var(--alx-on-surface-variant)}.alx-lesson-foot-actions{display:flex;gap:10px;margin-left:auto}.alx-lesson-card{box-shadow:var(--alx-shadow-clay-2)}.alx-lesson-card-head .alx-chip{box-shadow:var(--alx-shadow-clay-icon)}.alx-passage{border:1px solid color-mix(in srgb,var(--alx-primary) 16%,transparent);box-shadow:var(--alx-shadow-clay-1)}.alx-lesson-progress{background:color-mix(in srgb,var(--alx-primary) 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var(--alx-ease)}.alx-lp-pill--stop{background:var(--alx-error-container);border-color:transparent;color:var(--alx-on-error-container)}.alx-lp-pill--stop:hover{filter:brightness(.96)}.alx-lp-pill--exit{background:var(--alx-surface-low);border-color:#58706633;color:var(--alx-on-surface-variant)}.alx-lp-pill--exit:hover{background:var(--alx-surface-high)}@media(max-width:480px){.alx-lp-level-row{gap:7px}.alx-lp-level-card{padding:12px 6px}.alx-lp-level-emoji{font-size:1.6rem}.alx-lp-topic-grid{grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:6px}}.alx-pt-shell{width:100%;min-height:100%;display:grid;place-items:center;padding:clamp(18px,4vw,48px);color:var(--alx-on-surface)}.alx-pt-shell--onboarding{position:relative;z-index:2;min-height:100vh}.alx-pt-intro,.alx-pt-player,.alx-pt-result{width:min(760px,100%);border:1px solid 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span{display:block;height:100%;border-radius:var(--alx-radius-full);background:var(--alx-primary);transition:width var(--alx-duration-base) var(--alx-ease)}.alx-pt-question-wrap{padding:clamp(24px,5vw,46px)}.alx-pt-passage{margin-bottom:24px;padding:18px 20px;border:1px solid rgba(11,122,83,.18);border-radius:var(--alx-radius-md);background:var(--alx-secondary-container);text-align:left}.alx-pt-passage-label{display:block;margin-bottom:8px;color:var(--alx-on-secondary-container);font:700 11px/1 ui-monospace,SF Mono,Menlo,monospace;letter-spacing:.08em;text-transform:uppercase}.alx-pt-passage p{margin:0;white-space:pre-line;color:var(--alx-on-secondary-container);font-size:var(--alx-text-support);line-height:1.7}.alx-pt-question-count{color:var(--alx-primary);font:700 11px/1 ui-monospace,SF Mono,Menlo,monospace;text-transform:uppercase}.alx-pt-question{margin:10px 0 22px;font:700 clamp(1.05rem,2.5vw,1.35rem)/1.45 var(--alx-font-family);color:var(--alx-on-surface)}.alx-pt-options{display:grid;gap:10px}.alx-pt-option{width:100%;min-height:54px;display:grid;grid-template-columns:34px 1fr 20px;align-items:center;gap:11px;padding:9px 14px;text-align:left;color:var(--alx-on-surface);border:1px solid rgba(88,112,102,.2);border-radius:var(--alx-radius-md);background:var(--alx-surface-low);cursor:pointer;transition:border-color var(--alx-duration-fast) var(--alx-ease),background var(--alx-duration-fast) var(--alx-ease)}.alx-pt-option:hover{border-color:#0b7a5357;background:var(--alx-secondary-container)}.alx-pt-option--selected{border-color:var(--alx-primary);background:var(--alx-primary-container);box-shadow:0 0 0 2px #0b7a531f}.alx-pt-option-letter{width:30px;height:30px;display:grid;place-items:center;border:1px solid rgba(88,112,102,.2);border-radius:var(--alx-radius-sm);color:var(--alx-on-surface-variant);font:700 12px/1 ui-monospace,SF Mono,Menlo,monospace}.alx-pt-option--selected .alx-pt-option-letter{color:var(--alx-on-primary);border-color:transparent;background:var(--alx-primary)}.alx-pt-option>span:nth-child(2){font-size:var(--alx-text-support);line-height:1.4}.alx-pt-option>svg{color:var(--alx-primary)}.alx-pt-player-foot{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 20px;border-top:1px solid rgba(88,112,102,.16)}.alx-pt-player-foot>span{color:var(--alx-outline);font-size:11px}.alx-pt-player-actions{display:flex;align-items:center;gap:8px}.alx-pt-result-kicker{margin:20px 0 8px;color:var(--alx-on-surface-variant);font-size:var(--alx-text-support)}.alx-pt-result-level{display:inline-grid;place-items:center;min-width:116px;height:92px;padding:0 22px;border-radius:var(--alx-radius-lg);color:var(--alx-on-primary);background:var(--alx-primary);box-shadow:var(--alx-shadow-clay-3);font:800 2.6rem/1 var(--alx-font-family)}.alx-pt-breakdown{max-width:520px;margin:28px auto 0;padding:17px 18px;border:1px solid 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