.app-container{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:20px}.navbar{background:#fff;padding:1rem 2rem;box-shadow:0 2px 8px #0000001a;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.navbar-brand{font-size:1.5rem;font-weight:700;color:#667eea;text-decoration:none}.navbar-nav{display:flex;gap:2rem;align-items:center;list-style:none;margin:0;padding:0}.navbar-nav a{text-decoration:none;color:#333;font-weight:500;transition:color .3s}.navbar-nav a:hover{color:#667eea}.page-container{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.landing-page{text-align:center;color:#fff}.landing-page h1{font-size:3rem;margin-bottom:1rem}.landing-page p{font-size:1.2rem;margin-bottom:2rem;opacity:.9}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.auth-container{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 4px 12px #00000026;max-width:400px;margin:0 auto}.auth-container h2{text-align:center;color:#333;margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:#333;font-weight:500}.form-group input,.form-group select{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;transition:border-color .3s}.form-group input:focus,.form-group select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group textarea{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;font-family:inherit;resize:vertical;min-height:100px}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s;text-decoration:none;display:inline-block;text-align:center}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;width:100%;margin-top:1rem}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-secondary{background:#f0f0f0;color:#333;margin-top:1rem}.btn-secondary:hover{background:#e0e0e0}.btn-success{background:#28a745;color:#fff}.btn-success:hover{background:#218838}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover{background:#c82333}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.auth-links{text-align:center;margin-top:1.5rem;color:#666}.auth-links a{color:#667eea;text-decoration:none;font-weight:500}.auth-links a:hover{text-decoration:underline}.dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.welcome-message{grid-column:1 / -1;background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a}.welcome-message h1{color:#333;margin-bottom:.5rem}.welcome-message p{color:#666}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;transition:all .3s}.card:hover{box-shadow:0 4px 16px #00000026;transform:translateY(-4px)}.card h3{color:#333;margin-top:0;margin-bottom:1rem}.card p{color:#666;margin:.5rem 0}.stamp-card{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px;padding:2rem;margin-bottom:1.5rem;position:relative;overflow:hidden}.stamp-card:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 1px,transparent 1px);background-size:20px 20px}.stamp-card-content{position:relative;z-index:1}.stamp-card h3{margin-top:0;font-size:1.5rem}.stamp-progress{margin:1rem 0}.progress-bar{width:100%;height:8px;background:#ffffff4d;border-radius:4px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;background:#fff;transition:width .3s}.stamp-count{font-size:.9rem;opacity:.9}.scanner-container{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a;max-width:500px;margin:0 auto}.scanner-view{width:100%;border-radius:4px;margin:1rem 0}.business-dashboard{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.qr-display{text-align:center;margin:2rem 0;padding:2rem;background:#f8f9fa;border-radius:8px}.qr-display canvas{max-width:300px;border-radius:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:2rem 0}.stat-box{background:#f8f9fa;padding:1.5rem;border-radius:8px;text-align:center}.stat-box h4{color:#667eea;margin:0;font-size:.9rem;text-transform:uppercase}.stat-box .stat-value{font-size:2rem;font-weight:700;color:#333;margin:.5rem 0 0}.spinner{display:inline-block;width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner-container{display:flex;justify-content:center;align-items:center;min-height:200px}.alert{padding:1rem;border-radius:4px;margin-bottom:1rem}.alert-error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-info{background:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}@media (max-width: 768px){.app-container{padding:10px}.page-container{padding:1rem}.navbar{flex-direction:column;gap:1rem}.navbar-nav{gap:1rem;flex-wrap:wrap}.landing-page h1{font-size:2rem}.dashboard{grid-template-columns:1fr}.auth-container{padding:1.5rem;max-width:100%}.cta-buttons{flex-direction:column}.btn{width:100%}}@media (max-width: 480px){.landing-page h1{font-size:1.5rem}.landing-page p{font-size:1rem}.navbar-brand{font-size:1.2rem}.stats-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}html{width:100vw;height:100vh;height:100dvh;overflow-x:hidden;overflow-y:auto}body{width:100vw;min-height:100vh;min-height:100dvh;font-family:Plus Jakarta Sans,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f0fdf4;overflow-x:hidden}#root{width:100%;min-height:100vh}input,button,select,textarea{font-family:inherit}button{cursor:pointer}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}