body{margin:0;padding:0;font-family:Arial,sans-serif;background-color:#fff}.navbar{display:flex;justify-content:space-between;align-items:center;background-color:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-weight:600;padding:20px 40px;position:fixed;top:0;left:0;right:0;z-index:1000;box-shadow:0 2px 20px #0000001a;border-bottom:1px solid rgba(52,152,219,.1)}.navbar-logo a{color:#2c3e50;font-size:24px;font-weight:700;text-decoration:none;transition:color .3s ease}.navbar-logo a:hover{color:#3498db}.navbar-links{list-style:none;display:flex;margin:0;padding:0;gap:30px}.navbar-links li{margin:0}.navbar-links a{color:#2c3e50;text-decoration:none;padding:12px 20px;border-radius:25px;transition:all .3s ease;font-weight:500;position:relative}.navbar-links a:hover{background-color:#3498db;color:#fff;transform:translateY(-2px);box-shadow:0 4px 15px #3498db4d}@media (max-width: 768px){.navbar{padding:15px 20px}.navbar-logo a{font-size:20px}.navbar-links{gap:15px}.navbar-links a{padding:8px 15px;font-size:14px}}@media (max-width: 480px){.navbar{flex-direction:column;gap:15px;padding:15px 20px}.navbar-links{gap:10px}.navbar-links a{padding:6px 12px;font-size:13px}}.home{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.hero{padding:80px 0 0;min-height:80vh;display:flex;align-items:flex-start;justify-content:center}.hero-content{max-width:1200px;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:flex-start}.hero-text-1,.hero-text-2{text-align:left}.hero-title{font-size:3.5rem;font-weight:700;color:#2c3e50;margin-bottom:20px;text-align:left;line-height:1.2}.hero-title-2{font-size:3.5rem;margin-bottom:65px;padding-top:0;padding-bottom:20px;text-align:center;font-weight:700;color:#3498db;line-height:1.2}.highlight{color:#3498db;display:block}.hero-subtitle{font-size:1.3rem;margin-right:0;color:#131616;margin-bottom:40px;line-height:1.6}.hero-subtitle-2{padding-left:55px;font-size:1.3rem;color:#131616;margin-bottom:2px;line-height:1.6}.hero-stats{display:flex;gap:30px;margin-bottom:40px}.stat{text-align:center}.stat-number{font-size:2.5rem;font-weight:700;color:#3498db}.stat-label{font-size:.9rem;color:#7f8c8d;text-transform:uppercase;letter-spacing:1px}.hero-buttons{display:flex;gap:20px}.hero-subtitle-2{list-style:none}.hero-subtitle-2 li:before{content:"✱";color:#007bff;font-weight:700;margin-right:.5em}.btn{padding:15px 30px;border-radius:50px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .3s ease;display:inline-block}.btn-primary{background:#3498db;color:#fff;box-shadow:0 4px 15px #3498db4d}.btn-primary:hover{background:#2980b9;transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.btn-secondary{background:transparent;color:#3498db;border:2px solid #3498db}.btn-secondary:hover{background:#3498db;color:#fff;transform:translateY(-2px)}.hero-image{text-align:center}.hero-image img{width:400px;height:400px;border-radius:20px;object-fit:cover;box-shadow:0 20px 40px #0000001a;transition:transform .3s ease}.hero-image img:hover{transform:scale(1.05)}.services{padding:80px 20px;background:#fff}.section-title{text-align:center;font-size:2.5rem;font-weight:700;color:#2c3e50;margin-bottom:60px}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.service-card{background:#fff;padding:40px 30px;border-radius:15px;text-align:center;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;border:1px solid #ecf0f1}.service-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #00000026}.service-icon{font-size:3rem;margin-bottom:20px}.service-card h3{font-size:1.5rem;font-weight:600;color:#2c3e50;margin-bottom:15px}.service-card p{color:#7f8c8d;line-height:1.6}.testimonials{padding:80px 20px;background:#f8f9fa}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.testimonial-card{background:#fff;padding:30px;border-radius:15px;box-shadow:0 10px 30px #0000001a;position:relative}.testimonial-card:before{content:'"';font-size:4rem;color:#3498db;position:absolute;top:-10px;left:20px;font-family:serif}.testimonial-card p{font-size:1.1rem;color:#2c3e50;line-height:1.6;margin-bottom:20px;margin-top:20px}.testimonial-author{display:flex;flex-direction:column;gap:5px}.testimonial-author strong{color:#2c3e50;font-size:1.1rem}.testimonial-author span{color:#7f8c8d;font-size:.9rem}@media (max-width: 768px){.hero-content{grid-template-columns:1fr;text-align:center;gap:40px}.hero-title{font-size:2.5rem}.hero-stats{justify-content:center}.hero-buttons{justify-content:center;flex-direction:column;align-items:center}.hero-image img{width:300px;height:300px}.services-grid,.testimonials-grid{grid-template-columns:1fr}}@media (max-width: 480px){.hero{padding:40px 20px}.hero-title{font-size:2rem}.hero-stats{flex-direction:column;gap:20px}.hero-image img{width:250px;height:250px}}.about-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.about-hero{padding:80px 20px;background:#fff;margin-bottom:40px}.about-content{display:grid;grid-template-columns:1fr 2fr;gap:60px;align-items:center;max-width:1200px;margin:0 auto}.about-image{text-align:center}.about-image img{width:300px;height:300px;border-radius:140px;object-fit:cover;box-shadow:0 20px 40px #0000001a;transition:transform .3s ease}.about-image img:hover{transform:scale(1.05)}.about-text h1{font-size:3rem;font-weight:700;color:#2c3e50;margin-bottom:10px}.about-text h2{font-size:1.5rem;color:#3498db;margin-bottom:20px;font-weight:600}.about-intro{font-size:1.2rem;color:#1c5458;font-weight:700;line-height:1.8}.about-details{padding:60px 20px}.details-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:30px;max-width:1500px;margin:0 auto 60px}.detail-card{background:#fff;padding:30px;border-radius:15px;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;border:1px solid #ecf0f1}.detail-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #00000026}.detail-card h3{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:20px;display:flex;align-items:center;gap:10px}.detail-card ul{list-style:none;padding:0}.detail-card li{color:#7f8c8d;border-bottom:1px solid #ecf0f1;position:relative;padding:8px 0 8px 20px}.detail-card li:before{content:"•";color:#3498db;font-weight:700;position:absolute;left:0}.detail-card li:last-child{border-bottom:none}.about-story{background:#fff;padding:40px;border-radius:15px;box-shadow:0 10px 30px #0000001a;max-width:1200px;margin:0 auto}.about-story h3{font-size:2rem;font-weight:700;color:#2c3e50;margin-bottom:30px;text-align:center}.about-story p{font-size:1.1rem;color:#7f8c8d;line-height:1.8;margin-bottom:20px;text-align:justify}.about-story p:last-child{margin-bottom:0}@media (max-width: 768px){.about-content{grid-template-columns:1fr;text-align:center;gap:40px}.about-text h1{font-size:2.5rem}.about-image img{width:250px;height:250px}.details-grid{grid-template-columns:1fr}.about-story{padding:30px 20px}}@media (max-width: 480px){.about-hero{padding:40px 20px}.about-text h1{font-size:2rem}.about-image img{width:200px;height:200px}.about-story{padding:20px 15px}.about-story h3{font-size:1.5rem}}.contact-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.contact-hero{padding:80px 20px;background:#fff;text-align:center;margin-bottom:40px}.contact-hero h1{font-size:3rem;font-weight:700;color:#2c3e50;margin-bottom:20px}.contact-hero p{font-size:1.3rem;color:#7f8c8d;max-width:600px;margin:0 auto}.contact-content{padding:60px 20px}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin-bottom:60px}.contact-card{background:#fff;padding:35px 25px;border-radius:15px;text-align:center;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;border:1px solid #ecf0f1;height:100%;display:flex;flex-direction:column;justify-content:space-between}.contact-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #00000026}.contact-icon{font-size:2.5rem;margin-bottom:15px}.contact-card h3{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:12px}.contact-card p{color:#7f8c8d;margin-bottom:20px;line-height:1.5;font-size:.95rem}.contact-link{display:inline-block;padding:10px 20px;background:#3498db;color:#fff;text-decoration:none;border-radius:25px;font-weight:600;font-size:.9rem;transition:all .3s ease;box-shadow:0 4px 15px #3498db4d;word-break:break-word;max-width:100%;overflow-wrap:break-word}.contact-link:hover{background:#2980b9;transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.contact-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px;margin-bottom:60px}.info-card{background:#fff;padding:30px;border-radius:15px;box-shadow:0 10px 30px #0000001a}.info-card h3{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:20px;display:flex;align-items:center;gap:10px}.schedule{display:flex;flex-direction:column;gap:15px;margin-bottom:20px}.schedule-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid #ecf0f1}.schedule-item:last-child{border-bottom:none}.schedule-item strong{color:#2c3e50}.schedule-item span{color:#7f8c8d;font-weight:500}.schedule-note{background:#e8f4fd;padding:15px;border-radius:10px;border-left:4px solid #3498db}.schedule-note p{color:#2c3e50;margin:0;font-size:.9rem}.location-info p{color:#7f8c8d;line-height:1.6;margin-bottom:10px}.location-info p strong{color:#2c3e50}.service-types{margin-top:20px}.service-types h4{color:#2c3e50;margin-bottom:10px;font-size:1.1rem}.service-types ul{list-style:none;padding:0}.service-types li{color:#7f8c8d;position:relative;padding:5px 0 5px 20px}.service-types li:before{content:"✓";color:#3498db;font-weight:700;position:absolute;left:0}.contact-form{background:#fff;padding:40px;border-radius:15px;box-shadow:0 10px 30px #0000001a;max-width:800px;margin:0 auto}.contact-form h3{font-size:1.8rem;font-weight:600;color:#2c3e50;margin-bottom:15px;text-align:center;display:flex;align-items:center;justify-content:center;gap:10px}.form-description{text-align:center;color:#7f8c8d;margin-bottom:30px;font-size:1rem}.form{display:flex;flex-direction:column;gap:20px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group input,.form-group select,.form-group textarea{padding:15px;border:2px solid #ecf0f1;border-radius:10px;font-size:1rem;transition:all .3s ease;background:#f8f9fa}.form-group textarea{resize:vertical;min-height:120px}.submit-btn{padding:15px 30px;background:#3498db;color:#fff;border:none;border-radius:25px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #3498db4d;margin-top:10px}.submit-btn:hover:not(:disabled){background:#2980b9;transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.submit-btn:disabled{background:#bdc3c7;cursor:not-allowed;transform:none;box-shadow:none}.submit-btn.loading{position:relative;color:transparent}.submit-btn.loading:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@media (max-width: 768px){.contact-hero h1{font-size:2.5rem}.contact-grid{grid-template-columns:1fr;gap:20px}.contact-card{padding:30px 20px}.contact-info{grid-template-columns:1fr}.contact-form{padding:30px 20px}.form-row{grid-template-columns:1fr}.schedule-item{flex-direction:column;align-items:flex-start;gap:5px}}@media (max-width: 480px){.contact-hero{padding:40px 20px}.contact-hero h1{font-size:2rem}.contact-content{padding:40px 20px}.contact-grid{gap:15px}.contact-card{padding:25px 15px}.contact-card h3{font-size:1.2rem}.contact-card p{font-size:.9rem}.contact-link{padding:8px 16px;font-size:.85rem}.contact-form{padding:20px 15px}.contact-form h3{font-size:1.5rem}.info-card{padding:20px 15px}}.books-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.books-hero{padding:80px 20px;background:#fff;text-align:center;margin-bottom:40px}.books-hero h1{font-size:3rem;font-weight:700;color:#2c3e50;margin-bottom:20px}.books-hero p{font-size:1.3rem;color:#7f8c8d;max-width:600px;margin:0 auto}.books-content{padding:60px 20px}.books-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;gap:20px;flex-wrap:wrap}.search-box{position:relative;flex:1;max-width:400px}.search-box input{width:100%;padding:15px 45px 15px 20px;border:2px solid #ecf0f1;border-radius:25px;font-size:1rem;background:#fff;transition:all .3s ease}.search-box input:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 3px #3498db1a}.search-icon{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:#7f8c8d;font-size:1.2rem}.filter-buttons{display:flex;gap:10px;flex-wrap:wrap}.filter-btn-1{width:120px;height:60px;margin-top:0;margin-bottom:10px;border:2px solid #3498db;background:transparent;color:#3498db;border-radius:20px;font-weight:700;cursor:pointer;transition:all .3s ease;text-align:center}.filter-btn-2{width:120px;height:60px;margin-top:0;border:2px solid #3498db;background:transparent;color:#3498db;border-radius:0;font-weight:700;cursor:pointer;transition:all .3s ease;text-align:center}.filter-btn-1:hover,.filter-btn-2:hover{background:#3498db;color:#fff;transform:translateY(-2px)}.filter-btn-1.active,.filter-btn-2.active{background:#3498db;color:#fff;box-shadow:0 4px 15px #3498db4d}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px;margin-bottom:60px}.book-card{background:#fff;border-radius:15px;padding:25px;box-shadow:0 10px 30px #0000001a;transition:all .3s ease;border:1px solid #ecf0f1;display:flex;flex-direction:column}.book-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #00000026}.book-thumbnail{position:relative;text-align:center;margin-bottom:20px}.book-icon{font-size:4rem;display:block;margin-bottom:10px}.book-type-badge{position:absolute;top:0;right:0;background:#3498db;color:#fff;padding:5px 10px;border-radius:15px;font-size:.8rem;font-weight:600}.book-info h3{font-size:1.3rem;font-weight:600;color:#2c3e50;margin-bottom:10px;line-height:1.3}.book-description{color:#7f8c8d;line-height:1.5;margin-bottom:15px;font-size:.95rem}.book-meta{display:flex;justify-content:space-between;margin-bottom:15px}.book-category{background:#e8f4fd;color:#3498db;padding:5px 12px;border-radius:15px;font-size:.8rem;font-weight:600}.book-size{color:#7f8c8d;font-size:.9rem;font-weight:500}.book-stats{display:flex;justify-content:space-between;margin-bottom:20px;font-size:.85rem;color:#7f8c8d}.book-actions{display:flex;gap:10px;margin-top:auto}.download-btn{flex:1;padding:12px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.9rem}.download-btn{background:#3498db;color:#fff}.download-btn:hover{background:#2980b9;transform:translateY(-2px)}.preview-btn{background:#ecf0f1;color:#2c3e50}.preview-btn:hover{background:#d5dbdb;transform:translateY(-2px)}.no-results{text-align:center;padding:60px 20px;grid-column:1 / -1}.no-results p{font-size:1.2rem;color:#7f8c8d;margin-bottom:20px}.no-results button{padding:12px 25px;background:#3498db;color:#fff;border:none;border-radius:25px;font-weight:600;cursor:pointer;transition:all .3s ease}.no-results button:hover{background:#2980b9;transform:translateY(-2px)}.books-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.submenu-container{position:relative;display:inline-block}.submenu{display:none;flex-direction:column;position:absolute;background-color:transparent;width:100%;z-index:1000}.submenu-container:hover .submenu{display:flex}.submenu .filter-btn-1,.submenu .filter-btn-2{width:100%;text-align:center}.filter-btn-1,.filter-btn-2{background-color:#fff;border:none;cursor:pointer;transition:background-color .3s ease}.submenu{background-color:#fff}@media (max-width: 768px){.books-hero h1{font-size:2.5rem}.books-controls{flex-direction:column;align-items:stretch}.search-box{max-width:none}.filter-buttons{justify-content:center}.books-grid{grid-template-columns:1fr;gap:20px}.book-meta{flex-direction:column;gap:10px}.book-stats{flex-direction:column;gap:5px}.book-actions{flex-direction:column}}@media (max-width: 480px){.books-hero{padding:40px 20px}.books-hero h1{font-size:2rem}.books-content{padding:40px 20px}.book-card{padding:20px}.book-icon{font-size:3rem}.stat-card{padding:20px}}.admin-page{min-height:100vh;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.admin-hero{padding:80px 20px;background:#fff;text-align:center;margin-bottom:40px}.admin-header{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto}.admin-header h1{font-size:3rem;font-weight:700;color:#2c3e50;margin-bottom:10px}.admin-header p{font-size:1.3rem;color:#7f8c8d;margin:0}.logout-btn{padding:12px 25px;background:#e74c3c;color:#fff;border:none;border-radius:25px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:1rem;box-shadow:0 4px 15px #e74c3c4d}.logout-btn:hover{background:#c0392b;transform:translateY(-2px);box-shadow:0 6px 20px #e74c3c66}.admin-content{padding:60px 20px}.container{max-width:1200px;margin:0 auto}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:60px}.upload-section{background:#fff;padding:30px;border-radius:15px;box-shadow:0 10px 30px #0000001a}.upload-section h2{font-size:1.5rem;font-weight:600;color:#2c3e50;margin-bottom:25px;display:flex;align-items:center;gap:10px}.success-message{background:#d4edda;color:#155724;padding:15px;border-radius:10px;margin-bottom:20px;text-align:center;border:1px solid #c3e6cb}.upload-form{display:flex;flex-direction:column;gap:20px}.form-group input,.form-group select,.form-group textarea{padding:12px;border:2px solid #ecf0f1;border-radius:8px;font-size:1rem;transition:all .3s ease;background:#f8f9fa}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#3498db;background:#fff;box-shadow:0 0 0 3px #3498db1a}.form-group textarea{resize:vertical;min-height:80px}.form-group small{color:#7f8c8d;font-size:.8rem;margin-top:5px}.upload-btn{padding:15px 30px;background:#3498db;color:#fff;border:none;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #3498db4d}.upload-btn:hover:not(:disabled){background:#2980b9;transform:translateY(-2px);box-shadow:0 6px 20px #3498db66}.upload-btn:disabled{background:#bdc3c7;cursor:not-allowed;transform:none;box-shadow:none}.upload-btn.loading{position:relative;color:transparent}.upload-btn.loading:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}.management-section{background:#fff;padding:30px;border-radius:15px;box-shadow:0 10px 30px #0000001a}.management-section h2{font-size:1.5rem;font-weight:600;color:#2c3e50;margin-bottom:25px;display:flex;align-items:center;gap:10px}.books-list{display:flex;flex-direction:column;gap:15px;max-height:500px;overflow-y:auto}.book-item{border:1px solid #ecf0f1;border-radius:10px;padding:20px;transition:all .3s ease;display:flex;justify-content:space-between;align-items:center;gap:20px}.book-item:hover{box-shadow:0 5px 15px #0000001a}.book-item.inactive{opacity:.6;background:#f8f9fa}.book-info{flex:1}.book-info h3{font-size:1.1rem;font-weight:600;color:#2c3e50;margin-bottom:8px}.book-info p{color:#7f8c8d;font-size:.9rem;margin-bottom:10px;line-height:1.4}.book-meta{display:flex;gap:15px;font-size:.8rem}.book-meta .category{background:#e8f4fd;color:#3498db;padding:3px 8px;border-radius:10px;font-weight:600}.book-meta .size{color:#7f8c8d}.book-meta .downloads{color:#27ae60;font-weight:600}.book-actions{display:flex;gap:10px;flex-shrink:0}.status-btn,.delete-btn{padding:8px 15px;border:none;border-radius:6px;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.85rem}.status-btn.active{background:#27ae60;color:#fff}.status-btn.inactive{background:#e74c3c;color:#fff}.status-btn:hover{transform:translateY(-2px)}.delete-btn{background:#e74c3c;color:#fff}.delete-btn:hover{background:#c0392b;transform:translateY(-2px)}.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.stat-card{background:#fff;padding:30px;border-radius:15px;text-align:center;box-shadow:0 10px 30px #0000001a}.stat-card h3{font-size:1rem;color:#7f8c8d;margin-bottom:10px;font-weight:500}.stat-number{font-size:2rem;font-weight:700;color:#3498db}@media (max-width: 768px){.admin-hero h1{font-size:2.5rem}.admin-grid{grid-template-columns:1fr;gap:30px}.book-item{flex-direction:column;align-items:stretch;gap:15px}.book-actions{justify-content:center}.book-meta{flex-wrap:wrap}}@media (max-width: 480px){.admin-hero{padding:40px 20px}.admin-hero h1{font-size:2rem}.admin-content{padding:40px 20px}.upload-section,.management-section,.stat-card{padding:20px}}.admin-login-page{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:20px}.login-container{width:100%;max-width:400px}.login-card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 40px #0000001a;border:1px solid rgba(255,255,255,.2)}.login-header{text-align:center;margin-bottom:30px}.login-header h1{font-size:2rem;font-weight:700;color:#2c3e50;margin-bottom:10px}.login-header p{color:#7f8c8d;font-size:1rem}.error-message{background:#fee;color:#c53030;padding:15px;border-radius:10px;margin-bottom:20px;text-align:center;border:1px solid #fed7d7;font-weight:500}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column}.form-group label{font-weight:600;color:#2c3e50;margin-bottom:8px;font-size:.9rem}.form-group input{padding:15px;border:2px solid #ecf0f1;border-radius:10px;font-size:1rem;transition:all .3s ease;background:#f8f9fa}.form-group input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.login-btn{padding:15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d}.login-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.login-btn:disabled{background:#bdc3c7;cursor:not-allowed;transform:none;box-shadow:none}.login-btn.loading{position:relative;color:transparent}.login-btn.loading:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-footer{text-align:center;margin-top:30px;padding-top:20px;border-top:1px solid #ecf0f1}.login-footer p{color:#7f8c8d;font-size:.9rem;margin-bottom:15px}.back-link{color:#667eea;text-decoration:none;font-weight:600;transition:color .3s ease}.back-link:hover{color:#764ba2}@media (max-width: 480px){.login-card{padding:30px 20px}.login-header h1{font-size:1.8rem}}.App{text-align:center;color:#171616;padding-top:80px}.x{font-weight:100}input{padding:8px;font-size:16px;transition:.1s}input:hover{padding:12px;font-size:18px;transition:.1s}button{padding:10px 20px;margin-top:10px;font-size:16px;cursor:pointer}button:focus{outline:none}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:#2c3e50}html{scroll-behavior:smooth}