:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.app{max-width:1200px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.header{text-align:center;margin-bottom:40px;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:10px}.header h1{margin:0;font-size:2.5rem}.header p{margin:10px 0;font-size:1.2rem;opacity:.9}.header nav{margin-top:20px}.header nav button{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:10px 20px;margin:0 10px;border-radius:5px;cursor:pointer;transition:all .3s ease}.header nav button:hover,.header nav button.active{background:#ffffff4d;border-color:#ffffff80}.main{min-height:500px}.home .hero{text-align:center;margin-bottom:40px;padding:40px;background:#f8f9fa;border-radius:10px}.home .hero h2{color:#333;margin-bottom:15px;font-size:2rem}.home .hero p{font-size:1.1rem;margin-bottom:30px;color:#666}.signup-form{max-width:500px;margin:0 auto;padding:30px;background:#fff;border-radius:10px;box-shadow:0 4px 6px #0000001a}.signup-form h3{text-align:center;margin-bottom:25px;color:#333}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;font-weight:500;color:#333}.form-group input,.form-group textarea{width:100%;padding:12px;border:1px solid #ddd;border-radius:5px;font-size:16px;box-sizing:border-box}.checkbox-group{display:flex;align-items:center}.checkbox-group input{width:auto;margin-right:10px}.checkbox-group label{display:flex;align-items:center;margin-bottom:0}.signup-form button{width:100%;padding:15px;background:#667eea;color:#fff;border:none;border-radius:5px;font-size:18px;font-weight:500;cursor:pointer;transition:background .3s ease}.signup-form button:hover{background:#5a6fd8}.signup-form button:disabled{background:#ccc;cursor:not-allowed}.message{margin-top:15px;padding:10px;border-radius:5px;text-align:center}.message.success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.message.error{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.featured-business{margin-top:40px}.featured-business h3{text-align:center;margin-bottom:25px;color:#333;font-size:1.5rem}.business-card{background:#fff;padding:25px;border-radius:10px;box-shadow:0 2px 4px #0000001a;margin-bottom:20px}.business-card h3,.business-card h4{color:#333;margin-top:0;margin-bottom:15px}.business-card p{margin:8px 0;color:#666}.business-card .offer{color:#e74c3c;font-weight:500}.businesses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-top:20px}.business-listings h2{text-align:center;margin-bottom:20px;color:#333}.business-listings>p{text-align:center;margin-bottom:30px;color:#666;font-size:1.1rem}.admin-dashboard{background:#fff;border-radius:10px;padding:30px;box-shadow:0 2px 4px #0000001a}.admin-dashboard h2{text-align:center;margin-bottom:30px;color:#333}.admin-tabs{display:flex;justify-content:center;margin-bottom:30px;border-bottom:1px solid #ddd}.admin-tabs button{background:none;border:none;padding:15px 25px;cursor:pointer;border-bottom:3px solid transparent;font-size:16px;color:#666;transition:all .3s ease}.admin-tabs button:hover,.admin-tabs button.active{color:#667eea;border-bottom-color:#667eea}.subscribers-list table{width:100%;border-collapse:collapse;margin-top:20px}.subscribers-list th,.subscribers-list td{padding:12px;text-align:left;border-bottom:1px solid #ddd}.subscribers-list th{background:#f8f9fa;font-weight:500;color:#333}.admin-card{border-left:4px solid #667eea}.add-business form{max-width:600px;margin:0 auto}.footer{text-align:center;margin-top:60px;padding:20px;color:#666;border-top:1px solid #eee}