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fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes expandWidth{0%{width:0}to{width:100%}}@keyframes numberPulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.stats-card:nth-child(1){animation-delay:.1s}.stats-card:nth-child(2){animation-delay:.2s}.stats-card:nth-child(3){animation-delay:.3s}.stats-card:nth-child(4){animation-delay:.4s}.stats-card:nth-child(5){animation-delay:.5s}@media (max-width: 600px){.libros-strip{justify-content:center!important}}@media (max-width: 1200px){.stats-grid{grid-template-columns:repeat(auto-fit,minmax(400px,1fr))}}@media (max-width: 1024px){.stats-grid{grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.stats-card{max-width:95vw;min-height:260px;aspect-ratio:auto}}@media (max-width: 768px){.estadisticas-page{padding:var(--spacing-md)}.stats-header h1{font-size:var(--font-size-3xl)}.stats-sub{font-size:var(--font-size-base)}.stats-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.stats-card{padding:var(--spacing-lg) var(--spacing-md);min-height:240px;max-width:98vw;aspect-ratio:auto}.stat-number{font-size:2.8rem;font-weight:300}.libro-pill{min-width:200px;padding:var(--spacing-xs) var(--spacing-md)}.pill-title{font-size:var(--font-size-xs)}}@media (max-width: 480px){.estadisticas-page{padding:var(--spacing-sm)}.stats-header h1{font-size:var(--font-size-2xl)}.stats-sub{font-size:var(--font-size-sm)}.stats-card{padding:var(--spacing-md) 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16px;border-radius:8px;margin-bottom:20px;font-weight:500}.mensaje.exito{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.mensaje.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.btn-enviar{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:15px 20px;background:#e73180;color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-enviar:hover:not(:disabled){background:#d91570;transform:translateY(-2px);box-shadow:0 6px 20px #e731804d}.btn-enviar:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-enviar svg{width:18px;height:18px;fill:currentColor}.loading-spin{animation:spin 1s linear infinite}@media (max-width: 768px){.soporte-container{padding:15px}.soporte-header{flex-direction:column;text-align:center;gap:15px}.header-content h1{font-size:1.5rem}.ticket-form-container{padding:20px}.info-row{flex-direction:column;gap:10px}}@media (max-width: 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