:root{--primary-blue:#1e3a8a;--secondary-blue:#3b82f6;--light-blue:#dbeafe;--white:#ffffff;--light-gray:#f8fafc;--text-dark:#1f2937;--text-light:#6b7280;--glass-bg:rgba(255,255,255,0.25);--glass-border:rgba(255,255,255,0.18);--shadow:0 8px 32px 0 rgba(31,38,135,0.37)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--white);min-height:100vh;color:var(--primary-blue);line-height:1.6}.glass{background:rgba(255,255,255,0.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:20px;border:1px solid rgba(30,58,138,0.1);box-shadow:0 8px 32px 0 rgba(30,58,138,0.1)}.glass-white{background:rgba(255,255,255,0.95);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:20px;border:1px solid rgba(30,58,138,0.1);box-shadow:0 8px 32px 0 rgba(30,58,138,0.1)}.navbar{background:rgba(255,255,255,0.95)!important;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(30,58,138,0.1);padding:1rem 0}.navbar-brand{font-weight:700;font-size:1.5rem;color:var(--primary-blue)!important}.navbar-nav .nav-link{color:var(--primary-blue)!important;font-weight:500;margin:0 0.5rem;transition:all 0.3s ease;position:relative}.navbar-nav .nav-link:hover{color:var(--secondary-blue)!important;transform:translateY(-2px)}.navbar-nav .nav-link.active{color:var(--secondary-blue)!important;font-weight:600}.navbar-nav .nav-link.active::after{content:'';position:absolute;bottom:-5px;left:50%;transform:translateX(-50%);width:30px;height:3px;background:var(--secondary-blue);border-radius:2px}.navbar-brand img{transition:all 0.3s ease}.navbar-brand:hover img{transform:scale(1.05)}.hero-section{padding:100px 0;text-align:center}.hero-content{max-width:800px;margin:0 auto;padding:3rem}.hero-title{font-size:1.75rem;font-weight:800;color:var(--primary-blue);margin-bottom:1.5rem;text-shadow:none}.hero-title-small{font-size:1.5rem;font-weight:800;color:var(--primary-blue);margin-bottom:1.5rem;text-shadow:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hero-subtitle{font-size:1.25rem;color:var(--primary-blue);margin-bottom:2rem;opacity:0.8}.btn-primary-custom{background:linear-gradient(45deg,var(--primary-blue),var(--secondary-blue));border:none;padding:12px 30px;border-radius:50px;font-weight:600;color:var(--white);text-decoration:none;display:inline-block;transition:all 0.3s ease;box-shadow:0 4px 15px rgba(30,58,138,0.4)}.btn-primary-custom:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(30,58,138,0.6);color:var(--white)}.card-glass{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-radius:20px;border:1px solid var(--glass-border);box-shadow:var(--shadow);transition:all 0.3s ease;overflow:hidden}.card-glass:hover{transform:translateY(-10px);box-shadow:0 12px 40px 0 rgba(31,38,135,0.5)}.book-card{height:100%;border:none}.book-cover{width:100%;height:250px;object-fit:cover;border-radius:15px 15px 0 0}.book-info{padding:1.5rem}.book-title{font-size:1.1rem;font-weight:600;color:var(--primary-blue);margin-bottom:0.5rem}.book-author{color:var(--text-light);font-size:0.9rem;margin-bottom:1rem}.book-price{font-size:1.2rem;font-weight:700;color:var(--secondary-blue);margin-bottom:1rem}.carousel-item img{height:300px;object-fit:cover;border-radius:15px}.carousel-control-prev,.carousel-control-next{width:5%}.carousel-control-prev-icon,.carousel-control-next-icon{background-color:var(--primary-blue);border-radius:50%;padding:20px}.section{padding:80px 0}.section-title{font-size:2.5rem;font-weight:700;color:var(--primary-blue);text-align:center;margin-bottom:3rem;text-shadow:none}.content-wrapper{background:var(--white);border-radius:20px;padding:2rem;margin:2rem 0;box-shadow:0 10px 30px rgba(0,0,0,0.1)}.form-control{border-radius:15px;border:2px solid #e5e7eb;padding:12px 20px;transition:all 0.3s ease}.form-control:focus{border-color:var(--secondary-blue);box-shadow:0 0 0 0.2rem rgba(59,130,246,0.25)}.btn-whatsapp{background:#25d366;border:none;color:white;padding:12px 25px;border-radius:50px;font-weight:600;transition:all 0.3s ease}.btn-whatsapp:hover{background:#128c7e;transform:translateY(-2px);color:white}.footer{background:var(--primary-blue);color:var(--white);padding:3rem 0 1rem;margin-top:4rem}.footer h5{color:var(--white);margin-bottom:1rem}.footer a{color:var(--light-blue);text-decoration:none;transition:color 0.3s ease}.footer a:hover{color:var(--white)}@media (max-width:768px){.hero-title{font-size:1.25rem}.hero-title-small{font-size:1.125rem}.hero-subtitle{font-size:1rem}.section-title{font-size:2rem}.hero-content{padding:2rem 1rem}.navbar-nav .nav-link{margin:0.25rem 0;padding:0.75rem 1rem;border-radius:10px}.navbar-nav .nav-link.active::after{display:none}.navbar-nav .nav-link.active{background:rgba(59,130,246,0.1)}.navbar-brand{font-size:1.25rem}.navbar-toggler{border:none;padding:0.25rem 0.5rem}.navbar-toggler:focus{box-shadow:none}}.admin-sidebar{background:var(--primary-blue);min-height:100vh;padding:2rem 0}.admin-sidebar .nav-link{color:var(--white);padding:1rem 1.5rem;border-radius:10px;margin:0.25rem 1rem;transition:all 0.3s ease}.admin-sidebar .nav-link:hover,.admin-sidebar .nav-link.active{background:var(--secondary-blue);color:var(--white)}.admin-content{background:var(--light-gray);min-height:100vh;padding:2rem}.stats-card{background:var(--white);border-radius:15px;padding:2rem;box-shadow:0 4px 15px rgba(0,0,0,0.1);transition:all 0.3s ease}.stats-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,0.15)}.stats-number{font-size:1.25rem;font-weight:700;color:var(--primary-blue)}.stats-label{color:var(--text-light);font-size:0.45rem;text-transform:uppercase;letter-spacing:1px}.table-responsive{background:var(--white);border-radius:15px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.1)}.table th{background:var(--primary-blue);color:var(--white);border:none;padding:1rem}.table td{padding:1rem;vertical-align:middle}.btn-sm{border-radius:20px;padding:0.375rem 1rem}.modal-content{border-radius:20px;border:none;box-shadow:0 10px 40px rgba(0,0,0,0.2)}.modal-header{background:var(--primary-blue);color:var(--white);border-radius:20px 20px 0 0}.modal-header .btn-close{filter:invert(1)}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:var(--white);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-primary-custom{color:var(--primary-blue)!important}.bg-primary-custom{background-color:var(--primary-blue)!important}.rounded-custom{border-radius:20px!important}.shadow-custom{box-shadow:0 8px 25px rgba(0,0,0,0.1)!important}.about-content{font-size:1.1rem;line-height:1.8;color:var(--primary-blue)}.about-content p{margin-bottom:1.5rem}