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cubic-bezier(.4,0,.2,1)}.grade-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #00916e26;border-color:var(--brand-green)}.grade-card--selected{border-color:var(--brand-purple);background:#4c36840d;transform:translateY(-2px);box-shadow:0 6px 15px #4c368433}.grade-card--selected:before{opacity:1;background:var(--brand-purple)}.grade-card__icon{display:flex;align-items:center;justify-content:center;width:60px;height:60px;background:var(--brand-purple);border-radius:.75rem;margin:0 auto 1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-card:hover .grade-card__icon{transform:scale(1.1) rotate(5deg);background:var(--brand-magenta)}.grade-card--selected .grade-card__icon{background:var(--brand-magenta)}.grade-card__icon-text{font-size:1.5rem;font-weight:700;color:#fff}.grade-card__content{text-align:center}.grade-card__grade{font-size:1.25rem;font-weight:600;color:var(--brand-purple);margin:0 0 .5rem;line-height:1.3;transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-card__age{font-size:.875rem;font-weight:500;color:var(--brand-orange);margin:0 0 .75rem;background:#e772181a;padding:.25rem .75rem;border-radius:50px;display:inline-block;transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-card__description{font-size:.875rem;color:var(--light-text);margin:0;line-height:1.5;transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-card__selected-indicator{position:absolute;top:1rem;right:1rem;width:24px;height:24px;background:var(--brand-green);border-radius:50px;display:flex;align-items:center;justify-content:center;animation:checkmark-bounce .3s ease-out}.grade-card__check-icon{width:14px;height:14px;color:#fff}@keyframes checkmark-bounce{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.grade-selector__footer{border-top:1px solid rgba(0,145,110,.2);padding-top:2rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-selector__info{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.grade-selector__info-item{display:flex;align-items:center;gap:.75rem;padding:1rem;background:var(--light-card);border-radius:.75rem;box-shadow:0 2px 4px #0000000d;border-left:4px solid var(--brand-green);transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-selector__info-item:hover{transform:translateY(-1px);box-shadow:0 6px 15px #00916e1a;border-left-color:var(--brand-orange)}.grade-selector__info-icon{font-size:1.5rem;flex-shrink:0;color:var(--brand-green);transition:all .3s cubic-bezier(.4,0,.2,1)}.grade-selector__info-item:hover .grade-selector__info-icon{color:var(--brand-orange)}.grade-selector__info-text{font-size:.875rem;color:var(--light-text);line-height:1.5;margin:0;transition:all .3s cubic-bezier(.4,0,.2,1)}@media (max-width: 768px){.grade-selector{padding:1.5rem}.grade-selector__title{font-size:1.875rem}.grade-selector__subtitle{font-size:1rem}.grade-selector__grid{grid-template-columns:1fr;gap:1rem}.grade-selector__info{grid-template-columns:1fr}}@media (max-width: 480px){.grade-selector{padding:1rem}.grade-card{padding:1.25rem}.grade-selector__title{font-size:1.5rem}}.grade-card:focus-visible{outline:2px solid var(--brand-purple);outline-offset:2px}.grade-card{animation:grade-card-entrance .5s ease-out;animation-fill-mode:both}@keyframes grade-card-entrance{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.grade-card{position:relative;overflow:hidden}.grade-card:hover:before{content:"";position:absolute;top:-2px;left:-2px;right:-2px;bottom:-2px;background:linear-gradient(45deg,var(--brand-purple),var(--brand-magenta),var(--brand-orange),var(--brand-green));border-radius:inherit;z-index:-1;filter:blur(8px);transition:opacity .3s ease;opacity:.3}.grade-card--selected{animation:selected-pulse 2s ease-in-out infinite}@keyframes selected-pulse{0%,to{box-shadow:0 0 rgba(var(--brand-green-rgb),.4)}50%{box-shadow:0 0 0 8px rgba(var(--brand-green-rgb),0)}}.grade-card--loading:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);animation:loading-shimmer 2s infinite}@keyframes loading-shimmer{0%{left:-100%}to{left:100%}}.grade-card:active{transform:scale(.98);transition-duration:.1s}.grade-card:focus-visible{outline:3px solid var(--brand-orange);outline-offset:3px;box-shadow:0 0 0 6px rgba(var(--brand-orange-rgb),.2)}@media (prefers-reduced-motion: reduce){.grade-card,.grade-card--selected{animation:none!important}.grade-card--loading:after{animation:none!important}.grade-card:hover:before{transition:none!important}}.grade-selector{animation:fade-in-up .6s ease-out}.grade-card{animation:fade-in-scale .4s ease-out;animation-fill-mode:both}.grade-card:nth-child(2){animation-delay:.2s}.grade-card:nth-child(3){animation-delay:.3s}.grade-card:nth-child(4){animation-delay:.4s}.grade-card:nth-child(5){animation-delay:.5s}.grade-card:nth-child(6){animation-delay:.6s}@keyframes fade-in-scale{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion: reduce){.grade-card,.grade-selector{animation:none!important;transition:none!important}.grade-card:hover,.grade-card:hover .grade-card__icon{transform:none!important}}:root{--harvest-gold: #D8962E;--teal: #11797D;--burnt-sienna: #DE6B48;--indigo-dye: #225069;--linen: #FEF4E9;--tan: #E0BF8C;--earth-yellow: #DCAC6F;--moss-green: #939565;--harvest-gold-rgb: 216, 150, 46;--teal-rgb: 17, 121, 125;--burnt-sienna-rgb: 222, 107, 72;--indigo-dye-rgb: 34, 80, 105;--linen-rgb: 254, 244, 233;--tan-rgb: 224, 191, 140;--earth-yellow-rgb: 220, 172, 111;--moss-green-rgb: 147, 149, 101;--brand-orange: var(--harvest-gold);--brand-green: var(--teal);--brand-purple: var(--indigo-dye);--brand-magenta: var(--burnt-sienna);--brand-orange-rgb: var(--harvest-gold-rgb);--brand-green-rgb: var(--teal-rgb);--brand-purple-rgb: var(--indigo-dye-rgb);--brand-magenta-rgb: var(--burnt-sienna-rgb);--spanish-orange: var(--harvest-gold);--sea-green: var(--teal);--tekhelet: var(--indigo-dye);--fandango: var(--burnt-sienna);--spanish-orange-rgb: var(--harvest-gold-rgb);--sea-green-rgb: var(--teal-rgb);--tekhelet-rgb: var(--indigo-dye-rgb);--fandango-rgb: var(--burnt-sienna-rgb);--floral-white: var(--linen);--alabaster: var(--linen);--peach-yellow: var(--tan);--bone: var(--earth-yellow);--black-olive: var(--indigo-dye);--black-olive-2: var(--indigo-dye);--floral-white-rgb: var(--linen-rgb);--alabaster-rgb: var(--linen-rgb);--peach-yellow-rgb: var(--tan-rgb);--bone-rgb: var(--earth-yellow-rgb);--black-olive-rgb: var(--indigo-dye-rgb);--black-olive-2-rgb: var(--indigo-dye-rgb);--light-bg: var(--tan);--light-card: var(--linen);--light-text: var(--indigo-dye);--light-text-on-color: var(--linen);--light-border: var(--tan);--light-error: var(--burnt-sienna);--dark-bg: var(--indigo-dye);--dark-card: color-mix(in srgb, var(--indigo-dye) 80%, var(--moss-green));--dark-text: var(--linen);--dark-text-on-color: var(--linen);--dark-border: var(--tan);--bg-primary: var(--tan);--bg-secondary: var(--linen);--bg-elevated: var(--linen);--bg-accent: var(--earth-yellow);--bg-overlay: rgba(var(--indigo-dye-rgb), .8);--text-primary: var(--indigo-dye);--text-secondary: color-mix(in srgb, var(--indigo-dye) 70%, var(--moss-green));--text-muted: var(--moss-green);--text-inverse: var(--linen);--border-primary: var(--tan);--border-secondary: rgba(var(--tan-rgb), .6);--border-accent: var(--harvest-gold);--shadow-educational-sm: 0 1px 2px rgba(var(--indigo-dye-rgb), .05);--shadow-educational-md: 0 4px 6px rgba(var(--indigo-dye-rgb), .1), 0 2px 4px rgba(var(--indigo-dye-rgb), .06);--shadow-educational-lg: 0 10px 15px rgba(var(--indigo-dye-rgb), .15), 0 4px 6px rgba(var(--indigo-dye-rgb), .1);--shadow-educational-xl: 0 20px 25px rgba(var(--indigo-dye-rgb), .2), 0 8px 10px rgba(var(--indigo-dye-rgb), .1);--shadow-soft: var(--shadow-educational-sm);--shadow-md: var(--shadow-educational-md);--shadow-lg: var(--shadow-educational-lg);--shadow-strong: var(--shadow-educational-xl);--sidebar-bg: var(--bg-elevated);--sidebar-header: var(--bg-secondary);--sidebar-border: var(--border-primary);--sidebar-accent: var(--tekhelet);--header-bg: var(--linen);--header-border: var(--tan);--header-text: var(--indigo-dye);--header-accent: var(--harvest-gold);--selector-bg: var(--linen);--selector-card: var(--linen);--selector-primary: var(--teal);--selector-secondary: var(--burnt-sienna);--selector-bachiller: var(--harvest-gold);--btn-primary-bg: var(--harvest-gold);--btn-primary-text: var(--linen);--btn-secondary-bg: var(--teal);--btn-secondary-text: var(--linen);--btn-accent-bg: var(--burnt-sienna);--btn-accent-text: var(--linen);--status-success: var(--teal);--status-warning: var(--burnt-sienna);--status-error: var(--burnt-sienna);--status-info: var(--harvest-gold);--grade-1-color: var(--tekhelet);--grade-2-color: var(--spanish-orange);--grade-3-color: var(--sea-green);--grade-4-color: var(--fandango);--grade-5-color: var(--peach-yellow);--grade-6-color: var(--bone)}[data-theme=night],.theme-night{--bg-primary: var(--black-olive-2);--bg-secondary: var(--black-olive);--bg-elevated: rgba(var(--bone-rgb), .1);--bg-accent: rgba(var(--peach-yellow-rgb), .15);--bg-overlay: rgba(var(--black-olive-2-rgb), .9);--text-primary: var(--floral-white);--text-secondary: var(--lemon-chiffon);--text-muted: var(--bone);--text-inverse: var(--black-olive-2);--border-primary: rgba(var(--bone-rgb), .3);--border-secondary: rgba(var(--bone-rgb), .2);--border-accent: var(--tekhelet);--shadow-soft: 0 2px 8px rgba(0, 0, 0, .6);--shadow-md: 0 4px 12px rgba(0, 0, 0, .7);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .8);--shadow-strong: 0 12px 40px rgba(0, 0, 0, .9);--sidebar-bg: var(--bg-elevated);--sidebar-header: var(--bg-secondary);--sidebar-border: var(--border-primary);--sidebar-accent: var(--tekhelet);--header-bg: var(--black-olive);--header-border: var(--border-primary);--header-text: var(--text-primary);--header-accent: var(--spanish-orange);--selector-bg: var(--bg-primary);--selector-card: var(--bg-elevated);--selector-primary: var(--sea-green);--selector-secondary: var(--fandango);--selector-bachiller: var(--spanish-orange);--btn-primary-bg: var(--tekhelet);--btn-primary-text: var(--floral-white);--btn-secondary-bg: var(--spanish-orange);--btn-secondary-text: var(--floral-white);--btn-accent-bg: var(--fandango);--btn-accent-text: var(--floral-white)}@media (prefers-contrast: high){:root{--text-primary: var(--black-olive-2);--text-secondary: var(--black-olive);--bg-primary: var(--bone);--bg-secondary: var(--floral-white);--border-primary: var(--black-olive-2)}[data-theme=night]{--text-primary: var(--floral-white);--text-secondary: var(--lemon-chiffon);--bg-primary: var(--black-olive-2);--bg-secondary: var(--black-olive);--border-primary: var(--floral-white)}}@media (prefers-reduced-motion: reduce){:root{--transition-fast: none;--transition-medium: none;--transition-slow: none}}.color-spanish-orange{color:var(--spanish-orange)}.color-sea-green{color:var(--sea-green)}.color-tekhelet{color:var(--tekhelet)}.color-fandango{color:var(--fandango)}.bg-spanish-orange{background-color:var(--spanish-orange)}.bg-sea-green{background-color:var(--sea-green)}.bg-tekhelet{background-color:var(--tekhelet)}.bg-fandango{background-color:var(--fandango)}.border-spanish-orange{border-color:var(--spanish-orange)}.border-sea-green{border-color:var(--sea-green)}.border-tekhelet{border-color:var(--tekhelet)}.border-fandango{border-color:var(--fandango)}.color-brand-orange{color:var(--brand-orange)}.color-brand-green{color:var(--brand-green)}.color-brand-purple{color:var(--brand-purple)}.color-brand-magenta{color:var(--brand-magenta)}.bg-brand-orange{background-color:var(--brand-orange)}.bg-brand-green{background-color:var(--brand-green)}.bg-brand-purple{background-color:var(--brand-purple)}.bg-brand-magenta{background-color:var(--brand-magenta)}.border-brand-orange{border-color:var(--brand-orange)}.border-brand-green{border-color:var(--brand-green)}.border-brand-purple{border-color:var(--brand-purple)}.border-brand-magenta{border-color:var(--brand-magenta)}.color-floral-white{color:var(--floral-white)}.color-alabaster{color:var(--alabaster)}.color-peach-yellow{color:var(--peach-yellow)}.color-bone{color:var(--bone)}.color-black-olive{color:var(--black-olive)}.color-black-olive-2{color:var(--black-olive-2)}.bg-floral-white{background-color:var(--floral-white)}.bg-alabaster{background-color:var(--alabaster)}.bg-peach-yellow{background-color:var(--peach-yellow)}.bg-bone{background-color:var(--bone)}.bg-black-olive{background-color:var(--black-olive)}.bg-black-olive-2{background-color:var(--black-olive-2)}.border-floral-white{border-color:var(--floral-white)}.border-alabaster{border-color:var(--alabaster)}.border-peach-yellow{border-color:var(--peach-yellow)}.border-bone{border-color:var(--bone)}.border-black-olive{border-color:var(--black-olive)}.border-black-olive-2{border-color:var(--black-olive-2)}:root{--theme-transition: all .3s cubic-bezier(.4, 0, .2, 1);--transition-fast: .15s ease;--transition-medium: .3s ease;--transition-slow: .5s ease;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 50%;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal: 1040;--z-popover: 1050;--z-tooltip: 1060;--sidebar-theme-background: var(--sidebar-bg);--sidebar-theme-border: var(--sidebar-border);--sidebar-theme-accent: var(--sidebar-accent);--sidebar-theme-text: var(--text-primary);--sidebar-theme-transition: var(--theme-transition);--header-theme-background: var(--header-bg);--header-theme-border: var(--header-border);--header-theme-text: var(--header-text);--header-theme-accent: var(--header-accent);--header-theme-transition: var(--theme-transition);--selector-theme-background: var(--selector-bg);--selector-theme-card: var(--selector-card);--selector-theme-primary: var(--selector-primary);--selector-theme-secondary: var(--selector-secondary);--selector-theme-bachiller: var(--selector-bachiller);--selector-theme-transition: var(--theme-transition)}@media (prefers-color-scheme: dark){:root:not([data-theme]){color-scheme:dark}}[data-theme=day]{color-scheme:light}[data-theme=night]{color-scheme:dark}.theme-transitioning{transition:var(--theme-transition)}.theme-transitioning *,.theme-transitioning *:before,.theme-transitioning *:after{transition:var(--theme-transition)!important}.themed-card{background:var(--bg-elevated);border:1px solid var(--border-primary);color:var(--text-primary);transition:var(--theme-transition);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.themed-card:hover{box-shadow:var(--shadow-medium);transform:translateY(-2px)}.themed-btn{transition:var(--theme-transition);border-radius:var(--radius-md);font-weight:500;cursor:pointer;border:none;padding:.75rem 1.5rem}.themed-btn--primary{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.themed-btn--secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:1px solid var(--border-primary)}.themed-btn--accent{background:var(--btn-accent-bg);color:var(--btn-accent-text)}.themed-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-medium);border-color:#ffffff4d}.level-primaria{--current-level-color: var(--selector-primary);--current-level-bg: color-mix(in srgb, var(--selector-primary) 10%, transparent)}.level-secundaria{--current-level-color: var(--selector-secondary);--current-level-bg: color-mix(in srgb, var(--selector-secondary) 10%, transparent)}.level-bachillerato{--current-level-color: var(--selector-bachiller);--current-level-bg: color-mix(in srgb, var(--selector-bachiller) 10%, transparent)}.grade-1{--grade-color: var(--grade-1-color)}.grade-2{--grade-color: var(--grade-2-color)}.grade-3{--grade-color: var(--grade-3-color)}.grade-4{--grade-color: var(--grade-4-color)}.grade-5{--grade-color: var(--grade-5-color)}.grade-6{--grade-color: var(--grade-6-color)}@media (prefers-reduced-motion: reduce){.theme-transitioning,.theme-transitioning *,.themed-card,.themed-btn{transition:none!important;animation:none!important}}.themed-focusable:focus-visible{outline:2px solid var(--brand-purple);outline-offset:2px;border-radius:var(--radius-sm)}[data-theme=night] .logo,[data-theme=night] .logo img,.theme-night .logo,.theme-night .logo img{filter:drop-shadow(0 0 3px rgba(254,249,239,.4))}.theme-bg-primary{background:var(--bg-primary)}.theme-bg-secondary{background:var(--bg-secondary)}.theme-bg-elevated{background:var(--bg-elevated)}.theme-text-primary{color:var(--text-primary)}.theme-text-secondary{color:var(--text-secondary)}.theme-text-muted{color:var(--text-muted)}.theme-border-primary{border-color:var(--border-primary)}.theme-border-secondary{border-color:var(--border-secondary)}.theme-border-accent{border-color:var(--border-accent)}@media (max-width: 768px){:root{--shadow-soft: 0 1px 4px rgba(0, 43, 54, .08);--shadow-medium: 0 2px 8px rgba(0, 43, 54, .12);--shadow-strong: 0 4px 16px rgba(0, 43, 54, .16)}[data-theme=night]{--shadow-soft: 0 1px 4px rgba(0, 0, 0, .3);--shadow-medium: 0 2px 8px rgba(0, 0, 0, .4);--shadow-strong: 0 4px 16px rgba(0, 0, 0, .5)}}.educational-level-selector{max-width:1000px;margin:0 auto;padding:2rem;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--selector-bg);border-radius:var(--radius-xl);box-shadow:var(--shadow-strong);min-height:600px;transition:var(--theme-transition)}.level-selector__header{text-align:center;margin-bottom:3rem;position:relative}.level-selector__title{font-size:2.5rem;font-weight:800;color:var(--text-primary);margin:0 0 1rem;background:linear-gradient(135deg,var(--logo-lime) 0%,var(--logo-cyan) 50%,var(--logo-coral) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 4px rgba(0,0,0,.1);transition:var(--theme-transition)}.level-selector__subtitle{font-size:1.125rem;color:var(--text-secondary);line-height:1.6;max-width:700px;margin:0 auto;font-weight:400;transition:var(--theme-transition)}.level-selector__back{position:absolute;left:0;top:50%;transform:translateY(-50%);background:var(--btn-secondary-bg);border:1px solid var(--border-primary);padding:.75rem 1.5rem;border-radius:var(--radius-md);font-weight:500;color:var(--btn-secondary-text);cursor:pointer;transition:var(--theme-transition);font-size:.875rem}.level-selector__back:hover{background:var(--bg-secondary);transform:translateY(-50%) translate(-2px);box-shadow:var(--shadow-soft)}.level-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-bottom:3rem}.level-card{position:relative;background:var(--selector-card);border-radius:var(--radius-xl);padding:2rem;cursor:pointer;transition:var(--theme-transition);border:2px solid transparent;box-shadow:var(--shadow-soft);overflow:hidden;min-height:280px;display:flex;flex-direction:column}.level-card:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--current-level-color);opacity:0;transition:var(--theme-transition)}.level-card:hover:before{opacity:1}.level-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-strong);background:var(--current-level-bg)}.level-card--current{border-color:var(--current-level-color);background:var(--current-level-bg);transform:translateY(-4px);box-shadow:var(--shadow-medium)}.level-card--current:before{opacity:1}.level-card--disabled{opacity:.6;cursor:not-allowed;background:var(--bg-secondary)}.level-card--disabled:hover{transform:none;box-shadow:var(--shadow-soft);background:var(--bg-secondary)}.level-card--disabled:before{background:var(--text-muted)}.level-card[data-level=primaria]{--current-level-color: var(--selector-primary);--current-level-bg: color-mix(in srgb, var(--selector-primary) 8%, transparent)}.level-card[data-level=secundaria]{--current-level-color: var(--selector-secondary);--current-level-bg: color-mix(in srgb, var(--selector-secondary) 8%, transparent)}.level-card[data-level=bachillerato]{--current-level-color: var(--selector-bachiller);--current-level-bg: color-mix(in srgb, var(--selector-bachiller) 8%, transparent)}.level-card__icon{font-size:3rem;margin-bottom:1.5rem;text-align:center;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.level-card__content{flex:1;text-align:center}.level-card__name{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0 0 1rem;line-height:1.3;transition:var(--theme-transition)}.level-card__description{font-size:1rem;color:var(--text-secondary);margin:0 0 1rem;line-height:1.5;transition:var(--theme-transition)}.level-card__age{font-size:.875rem;font-weight:600;color:var(--current-level-color);background:var(--current-level-bg);padding:.5rem 1rem;border-radius:var(--radius-full);display:inline-block;margin-bottom:.75rem;transition:var(--theme-transition)}.level-card__grades{font-size:.875rem;color:var(--text-muted);font-weight:500;transition:var(--theme-transition)}.level-card__status{margin-top:1.5rem;text-align:center}.level-card__badge{display:inline-block;padding:.5rem 1rem;border-radius:var(--radius-lg);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;transition:var(--theme-transition)}.level-card__badge--available{background:color-mix(in srgb,var(--status-success) 20%,transparent);color:var(--status-success);border:1px solid color-mix(in srgb,var(--status-success) 30%,transparent)}.level-card__badge--coming{background:color-mix(in srgb,var(--status-warning) 20%,transparent);color:var(--status-warning);border:1px solid color-mix(in srgb,var(--status-warning) 30%,transparent)}.level-card__current-indicator{position:absolute;top:1rem;right:1rem;background:var(--current-level-color);color:var(--bg-elevated);padding:.25rem .75rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;animation:pulse-current 2s infinite}@keyframes pulse-current{0%,to{opacity:1}50%{opacity:.8}}.grade-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.grade-card{position:relative;background:var(--selector-card);border-radius:var(--radius-lg);padding:1.5rem;cursor:pointer;transition:var(--theme-transition);border:2px solid transparent;box-shadow:var(--shadow-soft);text-align:center;min-height:160px;display:flex;flex-direction:column;justify-content:center}.grade-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grade-color);opacity:0;transition:var(--theme-transition)}.grade-card:hover:before{opacity:1}.grade-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:var(--shadow-medium);background:color-mix(in srgb,var(--grade-color) 5%,var(--selector-card))}.grade-card--selected{border-color:var(--grade-color);background:color-mix(in srgb,var(--grade-color) 10%,var(--selector-card));transform:translateY(-2px);box-shadow:var(--shadow-medium)}.grade-card--selected:before{opacity:1}.grade-card[data-grade="1"]{--grade-color: var(--grade-1-color)}.grade-card[data-grade="2"]{--grade-color: var(--grade-2-color)}.grade-card[data-grade="3"]{--grade-color: var(--grade-3-color)}.grade-card[data-grade="4"]{--grade-color: var(--grade-4-color)}.grade-card[data-grade="5"]{--grade-color: var(--grade-5-color)}.grade-card[data-grade="6"]{--grade-color: var(--grade-6-color)}.grade-card__number{font-size:2.5rem;font-weight:900;color:var(--grade-color);margin-bottom:.75rem;text-shadow:0 2px 4px rgba(0,0,0,.1);transition:var(--theme-transition)}.grade-card__info{flex:1}.grade-card__age{font-size:.875rem;font-weight:600;color:var(--grade-color);margin-bottom:.5rem;transition:var(--theme-transition)}.grade-card__description{font-size:.8rem;color:var(--text-secondary);line-height:1.4;margin:0;transition:var(--theme-transition)}.grade-card__check{position:absolute;top:.75rem;right:.75rem;width:24px;height:24px;background:var(--grade-color);color:var(--bg-elevated);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem;animation:check-bounce .3s ease-out}@keyframes check-bounce{0%{transform:scale(0)}50%{transform:scale(1.2)}to{transform:scale(1)}}.level-selector__footer{border-top:1px solid var(--border-primary);padding-top:2rem;margin-top:2rem;transition:var(--theme-transition)}.level-info{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1rem;transition:var(--theme-transition)}.level-info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.level-info__item{display:flex;align-items:center;gap:1rem;padding:1.25rem;background:var(--selector-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);transition:var(--theme-transition)}.level-info__item:hover{transform:translateY(-1px);box-shadow:var(--shadow-medium)}.level-info__icon{font-size:1.5rem;flex-shrink:0}.level-info__text{font-size:.875rem;color:var(--text-secondary);line-height:1.5;margin:0;font-weight:500;transition:var(--theme-transition)}@media (max-width: 768px){.educational-level-selector{padding:1.5rem;margin:0 1rem}.level-selector__title{font-size:2rem}.level-selector__subtitle{font-size:1rem}.level-grid{grid-template-columns:1fr;gap:1.5rem}.grade-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem}.level-card{padding:1.5rem;min-height:240px}.grade-card{padding:1.25rem;min-height:140px}.level-info-grid{grid-template-columns:1fr}.level-selector__back{position:static;transform:none;margin-bottom:1rem;align-self:flex-start}}@media (max-width: 480px){.educational-level-selector{padding:1rem;margin:0 .5rem}.level-selector__title{font-size:1.75rem}.level-card__icon{font-size:2.5rem}.grade-card__number{font-size:2rem}}.educational-level-selector{animation:fade-in-up .6s ease-out}@keyframes fade-in-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.level-card{animation:fade-in-scale .4s ease-out;animation-fill-mode:both}.level-card:nth-child(1){animation-delay:.1s}.level-card:nth-child(2){animation-delay:.2s}.level-card:nth-child(3){animation-delay:.3s}.grade-card{animation:fade-in-scale .3s ease-out;animation-fill-mode:both}.grade-card:nth-child(1){animation-delay:.1s}.grade-card:nth-child(2){animation-delay:.15s}.grade-card:nth-child(3){animation-delay:.2s}.grade-card:nth-child(4){animation-delay:.25s}.grade-card:nth-child(5){animation-delay:.3s}.grade-card:nth-child(6){animation-delay:.35s}@keyframes fade-in-scale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.level-card:focus-visible,.grade-card:focus-visible{outline:2px solid var(--logo-coral);outline-offset:2px}@media (prefers-reduced-motion: reduce){.level-card,.grade-card,.educational-level-selector{animation:none!important;transition:none!important}.level-card:hover,.grade-card:hover{transform:none!important}}