:root{--primary-color: #4a90e2;--primary-dark: #357abd;--secondary-color: #5cb85c;--danger-color: #d9534f;--warning-color: #f0ad4e;--dark-color: #2c3e50;--light-color: #ecf0f1;--lighter-bg: #f5f7fa;--secondary-text-color: #666;--white: #ffffff;--border-radius: 8px;--box-shadow: 0 2px 10px rgba(0, 0, 0, .1);--transition: all .3s ease}body.dark-mode{--primary-color: #5ba3ff;--primary-dark: #4a90e2;--secondary-color: #6bc96b;--danger-color: #ff6b6b;--warning-color: #ffc107;--dark-color: #e4e4e4;--light-color: #2d3748;--lighter-bg: #1a202c;--secondary-text-color: #999;--white: #2d3748;--box-shadow: 0 2px 10px rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--lighter-bg);color:var(--dark-color);line-height:1.6;min-height:100vh;width:100%;transition:background-color .3s ease,color .3s ease}@keyframes 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var(--primary-color)}.generation-loader-overlay{position:fixed;inset:0;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;animation:fadeIn .3s ease}.generation-loader-content{display:flex;flex-direction:column;align-items:center;gap:2rem;padding:2rem;max-width:500px;width:90%}.loader-image-container{position:relative;width:180px;height:180px;display:flex;align-items:center;justify-content:center}.loader-logo{width:140px;height:auto;position:relative;z-index:2;filter:drop-shadow(0 0 20px rgba(74,144,226,.5));animation:pulse 2s ease-in-out infinite}.loader-spinner-ring{position:absolute;width:180px;height:180px;border:4px solid transparent;border-top-color:var(--primary-color);border-right-color:var(--primary-color);border-radius:50%;animation:spin 1.5s linear infinite}.loader-spinner-ring:before{content:"";position:absolute;inset:-4px;border:4px solid 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.week-header h2{color:var(--dark-color)}.week-objective{color:var(--secondary-text-color);margin-bottom:.5rem}.difficulty-badge{display:inline-block;padding:.25rem .75rem;border-radius:12px;font-size:.85rem;font-weight:500}.difficulty-badge.iniciante,.difficulty-badge.basico{background:#e8f5e9;color:#2e7d32}.difficulty-badge.intermediario{background:#fff3e0;color:#f57c00}.difficulty-badge.avancado{background:#ffebee;color:#c62828}.sessions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}.temp-notice{background:#fff3e0;border:1px solid #ffb74d;padding:1rem;border-radius:var(--border-radius);margin-top:1rem}.temp-notice p{color:#f57c00;margin-bottom:1rem}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s 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.credit-cost-info{background:#fff;margin:1rem 0}.temp-notice{background:#fff3e0;border:2px solid #ffb74d;padding:1.5rem;border-radius:var(--border-radius);margin-top:1rem}.temp-notice p{color:#f57c00;margin-bottom:.5rem}.temp-notice p:last-of-type{margin-bottom:1rem}.temp-notice .button{margin-top:.5rem}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;gap:1.5rem}.spinner{width:40px;height:40px;border:4px solid var(--lighter-bg);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.loading-message{font-size:1rem;color:var(--primary-color);text-align:center;animation:fadeInOut 2s ease-in-out;font-weight:500}.dark-mode .loading-message{color:var(--dark-color)}@keyframes fadeInOut{0%{opacity:0;transform:translateY(10px)}20%{opacity:1;transform:translateY(0)}80%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-10px)}}.session-skeleton-wrapper{display:flex;min-height:100vh;background:var(--lighter-bg);animation:fadeIn .5s ease}.skeleton-box{background:linear-gradient(90deg,#f0f0f0,#f8f8f8,#f0f0f0);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:8px}.dark-mode .skeleton-box{background:linear-gradient(90deg,#2a2a2a,#333,#2a2a2a);background-size:200% 100%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-sidebar{width:280px;background:var(--white);border-right:1px solid var(--border-color);padding:2rem 1.5rem;display:flex;flex-direction:column;gap:2rem;position:sticky;top:0;height:100vh;overflow-y:auto}.dark-mode 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var(--dark-color);padding-top:1.5rem;margin-top:.5rem;font-size:1.2rem}.summary-row strong{color:var(--primary-color)}.purchase-button{width:100%;padding:1.25rem!important;font-size:1.1rem!important;font-weight:600!important;background:linear-gradient(135deg,#00a0e9,#07c)!important;display:flex;align-items:center;justify-content:center;gap:.75rem}.purchase-button:hover{background:linear-gradient(135deg,#07c,#005fa3)!important}.purchase-button i{font-size:1.5rem}.payment-info{text-align:center;color:var(--secondary-text-color);font-size:.9rem;margin-top:1rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.payment-info i{color:#4caf50}.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.info-card{background:var(--white);padding:1.5rem;border-radius:12px;box-shadow:var(--box-shadow);text-align:center}.info-card i{font-size:2.5rem;color:var(--primary-color);margin-bottom:1rem}.info-card h4{color:var(--dark-color);margin-bottom:.5rem}.info-card p{color:var(--secondary-text-color);font-size:.9rem;line-height:1.5}@media (max-width: 768px){.buy-credits-header{margin-bottom:2rem}.header-icon{font-size:2.5rem}.buy-credits-header h1{font-size:1.8rem}.preset-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.preset-card{padding:1.5rem 1rem}.preset-credits{font-size:2rem}.preset-price{font-size:1.5rem}.custom-section{padding:1.5rem}.preview-details{flex-direction:column;gap:.5rem}.info-cards{grid-template-columns:1fr}}.payment-page{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:2rem}.payment-card{background:var(--white);padding:3rem 2rem;border-radius:16px;box-shadow:0 10px 40px #0000001a;max-width:600px;width:100%;text-align:center;animation:slideUp .5s ease}.payment-icon{font-size:5rem;margin-bottom:1.5rem}.payment-card.success .payment-icon{color:#4caf50}.payment-card.error .payment-icon{color:#f44336}.payment-card.pending .payment-icon{color:#ff9800}.payment-card h1{color:var(--dark-color);margin-bottom:1rem;font-size:2rem}.payment-message{color:var(--secondary-text-color);font-size:1.1rem;line-height:1.6;margin-bottom:2rem}.payment-details{background:var(--lighter-bg);padding:1.5rem;border-radius:12px;margin-bottom:2rem}.detail-item{display:flex;align-items:center;justify-content:center;gap:1rem}.detail-item i{font-size:2rem;color:#ffa000}.detail-item>div{display:flex;flex-direction:column;align-items:flex-start}.detail-label{color:var(--secondary-text-color);font-size:.9rem}.detail-value{color:var(--dark-color);font-size:1.3rem;font-weight:600}.info-box{background:var(--lighter-bg);padding:1.5rem;border-radius:12px;text-align:left;margin-bottom:2rem}.info-box h3{color:var(--dark-color);margin-bottom:1rem;font-size:1.1rem}.info-box ul{list-style:none;padding:0;margin:0}.info-box li{color:var(--secondary-text-color);padding:.5rem 0 .5rem 1.5rem;position:relative}.info-box li:before{content:"•";position:absolute;left:0;color:var(--primary-color);font-size:1.2rem}.payment-actions{display:flex;flex-direction:column;gap:1rem;margin-bottom:1.5rem}.payment-actions button{width:100%}.redirect-message{color:var(--secondary-text-color);font-size:.95rem;margin-bottom:.5rem;font-weight:500}.help-text{color:var(--secondary-text-color);font-size:.9rem;display:flex;align-items:center;justify-content:center;gap:.5rem;margin:0}.help-text i{color:var(--primary-color)}@media (max-width: 768px){.payment-page{min-height:70vh;padding:1rem}.payment-card{padding:2rem 1.5rem}.payment-icon{font-size:3.5rem}.payment-card h1{font-size:1.6rem}.payment-message{font-size:1rem}.detail-item{flex-direction:column;gap:.5rem}.detail-item>div{align-items:center}}.credit-history-page{max-width:900px;margin:0 auto;animation:fadeIn .5s ease}.back-btn{margin-bottom:1.5rem}.history-header{text-align:center;margin-bottom:3rem}.history-header .header-icon{font-size:3.5rem;color:var(--primary-color);margin-bottom:1rem}.history-header h1{color:var(--dark-color);margin-bottom:.5rem}.history-header p{color:var(--secondary-text-color);font-size:1.1rem}.no-history{text-align:center;padding:4rem 2rem;background:var(--white);border-radius:12px;box-shadow:var(--box-shadow)}.no-history i{font-size:4rem;color:var(--secondary-text-color);margin-bottom:1rem}.no-history h3{color:var(--dark-color);margin-bottom:.5rem}.no-history p{color:var(--secondary-text-color)}.transactions-list{display:flex;flex-direction:column;gap:1rem}.transaction-item{background:var(--white);padding:1.5rem;border-radius:12px;box-shadow:var(--box-shadow);display:flex;justify-content:space-between;align-items:center;transition:var(--transition);border-left:4px solid transparent}.transaction-item:hover{transform:translate(5px);box-shadow:0 4px 20px #0000001f}.transaction-item.purchase{border-left-color:#4caf50}.transaction-item.deduction{border-left-color:#f44336}.transaction-left{display:flex;align-items:center;gap:1rem}.transaction-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem}.transaction-icon.purchase{background:#e8f5e9;color:#4caf50}.transaction-icon.deduction{background:#ffebee;color:#f44336}.transaction-info{display:flex;flex-direction:column;gap:.3rem}.transaction-description{font-weight:600;color:var(--dark-color)}.transaction-date{font-size:.85rem;color:var(--secondary-text-color)}.transaction-right{display:flex;flex-direction:column;align-items:flex-end;gap:.3rem}.transaction-amount{font-size:1.2rem;font-weight:700}.transaction-amount.purchase{color:#4caf50}.transaction-amount.deduction{color:#f44336}.transaction-balance{font-size:.85rem;color:var(--secondary-text-color)}@media (max-width: 768px){.history-header .header-icon{font-size:2.5rem}.history-header h1{font-size:1.8rem}.transaction-item{flex-direction:column;align-items:flex-start;gap:1rem}.transaction-left{width:100%}.transaction-right{width:100%;flex-direction:row;justify-content:space-between;align-items:center}}.cookie-consent-overlay{position:fixed;bottom:0;left:0;right:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;animation:fadeIn .4s ease;padding-top:2rem}.cookie-consent-banner{background:var(--white);padding:1rem;max-width:90%;margin:0 auto;border-radius:16px 16px 0 0;box-shadow:0 -4px 30px #00000040;position:relative;animation:slideUp .5s ease}.cookie-close-btn{position:absolute;top:1rem;right:1rem;background:var(--lighter-bg);border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;color:var(--secondary-text-color);font-size:1rem}.cookie-close-btn:hover{background:var(--danger-color);color:#fff;transform:rotate(90deg)}.consent-banner-inner{display:flex;align-items:end;justify-content:center}.consent-cookie-description{display:flex;flex-direction:column;align-items:center;justify-content:center}.cookie-consent-banner h3{text-align:center;color:var(--dark-color);margin-bottom:.5rem;font-size:1.5rem;width:fit-content}.cookie-description{color:var(--secondary-text-color);text-align:center;line-height:1.6;margin-bottom:.5rem;font-size:1rem}.cookie-details{background:var(--lighter-bg);padding:1.5rem;border-radius:12px;margin:1rem 0;animation:slideDown .3s ease}.cookie-category{margin-bottom:1rem}.cookie-category:last-child{margin-bottom:0}.category-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;color:var(--dark-color);font-size:1rem}.category-header i{color:var(--primary-color)}.cookie-category p{color:var(--secondary-text-color);font-size:.9rem;margin:0;padding-left:1.75rem;line-height:1.5}.cookie-toggle-details{background:none;border:none;color:var(--primary-color);font-size:.9rem;cursor:pointer;padding:.5rem;margin:.5rem auto;display:block;transition:all .2s ease}.cookie-toggle-details:hover{opacity:.7}.consent-cookie-actions{width:100%;padding:0 1rem}.cookie-actions{display:flex;gap:1rem;margin-top:1.5rem}.cookie-btn-accept{flex:1;background:var(--primary-color)!important;color:#fff!important;padding:1rem!important;font-weight:600!important;display:flex;align-items:center;justify-content:center;gap:.5rem}.cookie-btn-accept:hover{background:var(--primary-dark)!important}.cookie-btn-essential{flex:1;background:var(--lighter-bg)!important;color:var(--dark-color)!important;padding:1rem!important;font-weight:600!important}.cookie-footer{text-align:center;margin-top:1rem;padding-top:1rem}.cookie-footer a{color:var(--primary-color);text-decoration:none;font-size:.9rem;transition:all .2s ease}.cookie-footer a:hover{text-decoration:underline;opacity:.8}.dark-mode .cookie-consent-banner{background:var(--light-color)}.dark-mode .cookie-consent-banner h3,.dark-mode .category-header,.dark-mode .cookie-description{color:var(--dark-color)}@media (max-width: 768px){.cookie-consent-overlay{padding-bottom:0}.cookie-consent-banner{padding:1.5rem}.cookie-icon{font-size:2.5rem}.cookie-consent-banner h3{font-size:1.3rem}.cookie-actions{flex-direction:column}.cookie-description{font-size:.95rem}.cookie-details{padding:1rem}}@media (max-width: 480px){.cookie-consent-banner{padding:1.25rem;max-width:100%}.consent-banner-inner{flex-direction:column}.cookie-icon{font-size:2rem;margin-bottom:.75rem}.cookie-consent-banner h3{font-size:1.1rem}.cookie-description{font-size:.9rem}.cookie-btn-accept,.cookie-btn-essential{padding:.875rem!important;font-size:.95rem!important}}.app{min-height:100dvh}.main-content{flex:1;max-width:1200px;margin:0 auto;padding:2rem;width:100%}.main-content:has(.home){padding:0;max-width:100%}@media (max-width: 768px){.main-content{padding:1rem}.main-content:has(.home){padding:0}}