*{box-sizing:border-box;margin:0;padding:0;}body{font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background-color:#f4f7f6;color:#333;line-height:1.6;display:flex;flex-direction:column;min-height:100vh;}.site-header{background-color:#fff;padding:1rem 0;box-shadow:0 2px 4px rgba(0,0,0,0.05);margin-bottom:2rem;}.container{max-width:800px;margin:0 auto;padding:0 1rem;text-align:center;}.logo{color:#1976D2;font-size:1.8rem;font-weight:800;}.main-content{flex:1;display:flex;justify-content:center;align-items:flex-start;padding:1rem;}.delete-card{background:white;width:100%;max-width:500px;padding:2.5rem;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,0.05);border:1px solid #eee;text-align:center;}.delete-card h2{color:#c62828;margin-bottom:1.5rem;}.warning-text{background-color:#ffebee;color:#c62828;padding:1rem;border-radius:8px;margin-bottom:2rem;font-size:0.95rem;text-align:left;}.form-group{margin-bottom:1.5rem;text-align:left;}.form-group label{display:block;margin-bottom:0.5rem;font-weight:600;color:#555;}.form-group input{width:100%;padding:0.8rem;border:1px solid #ddd;border-radius:8px;font-size:1rem;transition:border-color 0.3s;}.form-group input:focus{border-color:#1976D2;outline:none;box-shadow:0 0 0 3px rgba(25,118,210,0.1);}.form-actions{display:flex;flex-direction:column;gap:1rem;margin-top:2rem;}.btn{display:inline-block;padding:0.8rem 1.5rem;font-size:1rem;font-weight:600;text-align:center;border:none;border-radius:8px;cursor:pointer;text-decoration:none;transition:background-color 0.2s,transform 0.1s;}.btn:active{transform:scale(0.98);}.btn-danger{background-color:#e53935;color:white;}.btn-danger:hover{background-color:#d32f2f;}.btn-cancel{background-color:#eceff1;color:#546e7a;}.btn-cancel:hover{background-color:#cfd8dc;}.btn-link{color:#1976D2;text-decoration:none;font-weight:bold;}.btn-link:hover{text-decoration:underline;}.alert{padding:1rem;border-radius:8px;margin-bottom:1.5rem;text-align:left;}.alert-error{background-color:#fdeded;color:#5f2120;border:1px solid #f5c6cb;}.alert-success{background-color:#edf7ed;color:#1e4620;border:1px solid #c3e6cb;text-align:center;}